'use client';

import { useCallback, useEffect, useState } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { 
  CheckCircle, 
  XCircle, 
  Clock, 
  User, 
  Home,
  Calendar,
  DollarSign,
  AlertCircle,
  Key,
  DoorOpen,
  Shield,
  Phone,
  Mail,
  MessageCircle,
  ChevronDown,
  ChevronUp,
  FileText,
  Download,
  Printer,
  History,
  Loader2,
  CreditCard
} from 'lucide-react';
import jsPDF from 'jspdf';
import html2canvas from 'html2canvas';
import toast, { Toaster } from 'react-hot-toast';
import AuthService from '../../services/AuthService';
import { adminConfirmDeposit, getRentProperty, getReservations } from '../../utils/api';

const RESERVATION_STATUS = Object.freeze({
  pending: 0,
  ownerConfirmed: 1,
  depositPaid: 2,
  depositConfirmed: 3,
  completed: 4,
  cancelled: 5,
});

const STATUS_KEY_BY_CODE = Object.freeze({
  [RESERVATION_STATUS.pending]: 'pending',
  [RESERVATION_STATUS.ownerConfirmed]: 'ownerConfirmed',
  [RESERVATION_STATUS.depositPaid]: 'depositPaid',
  [RESERVATION_STATUS.depositConfirmed]: 'depositConfirmed',
  [RESERVATION_STATUS.completed]: 'completed',
  [RESERVATION_STATUS.cancelled]: 'cancelled',
});

const STATUS_META = Object.freeze({
  pending: {
    label: 'قيد الانتظار',
    card: 'border-yellow-400 bg-yellow-50',
    badge: 'bg-yellow-500 text-white',
    pdf: 'pending',
    tabActive: 'bg-yellow-600 text-white shadow-lg',
    tabIdle: 'bg-yellow-100 text-yellow-800 hover:bg-yellow-200',
  },
  ownerConfirmed: {
    label: 'موافقة المالك',
    card: 'border-blue-400 bg-blue-50',
    badge: 'bg-blue-500 text-white',
    pdf: 'ownerConfirmed',
    tabActive: 'bg-blue-600 text-white shadow-lg',
    tabIdle: 'bg-blue-100 text-blue-800 hover:bg-blue-200',
  },
  depositPaid: {
    label: 'تم دفع العربون',
    card: 'border-indigo-400 bg-indigo-50',
    badge: 'bg-indigo-500 text-white',
    pdf: 'depositPaid',
    tabActive: 'bg-indigo-600 text-white shadow-lg',
    tabIdle: 'bg-indigo-100 text-indigo-800 hover:bg-indigo-200',
  },
  depositConfirmed: {
    label: 'تم تأكيد العربون',
    card: 'border-green-400 bg-green-50',
    badge: 'bg-green-500 text-white',
    pdf: 'depositConfirmed',
    tabActive: 'bg-green-600 text-white shadow-lg',
    tabIdle: 'bg-green-100 text-green-800 hover:bg-green-200',
  },
  completed: {
    label: 'منتهي',
    card: 'border-gray-400 bg-gray-50',
    badge: 'bg-gray-500 text-white',
    pdf: 'completed',
    tabActive: 'bg-gray-600 text-white shadow-lg',
    tabIdle: 'bg-gray-100 text-gray-800 hover:bg-gray-200',
  },
  cancelled: {
    label: 'ملغي',
    card: 'border-red-400 bg-red-50',
    badge: 'bg-red-500 text-white',
    pdf: 'cancelled',
    tabActive: 'bg-red-600 text-white shadow-lg',
    tabIdle: 'bg-red-100 text-red-800 hover:bg-red-200',
  },
  unknown: {
    label: 'غير معروف',
    card: 'border-gray-200 bg-white',
    badge: 'bg-gray-200 text-gray-700',
    pdf: 'unknown',
    tabActive: 'bg-gray-600 text-white shadow-lg',
    tabIdle: 'bg-gray-100 text-gray-800 hover:bg-gray-200',
  },
});

const FILTER_TABS = [
  {
    id: 'all',
    label: 'الكل',
    tabActive: 'bg-gray-600 text-white shadow-lg',
    tabIdle: 'bg-gray-100 text-gray-800 hover:bg-gray-200',
  },
  {
    id: 'pending',
    label: STATUS_META.pending.label,
    tabActive: STATUS_META.pending.tabActive,
    tabIdle: STATUS_META.pending.tabIdle,
  },
  {
    id: 'ownerConfirmed',
    label: STATUS_META.ownerConfirmed.label,
    tabActive: STATUS_META.ownerConfirmed.tabActive,
    tabIdle: STATUS_META.ownerConfirmed.tabIdle,
  },
  {
    id: 'depositPaid',
    label: STATUS_META.depositPaid.label,
    tabActive: STATUS_META.depositPaid.tabActive,
    tabIdle: STATUS_META.depositPaid.tabIdle,
  },
  {
    id: 'depositConfirmed',
    label: STATUS_META.depositConfirmed.label,
    tabActive: STATUS_META.depositConfirmed.tabActive,
    tabIdle: STATUS_META.depositConfirmed.tabIdle,
  },
  {
    id: 'completed',
    label: STATUS_META.completed.label,
    tabActive: STATUS_META.completed.tabActive,
    tabIdle: STATUS_META.completed.tabIdle,
  },
  {
    id: 'cancelled',
    label: STATUS_META.cancelled.label,
    tabActive: STATUS_META.cancelled.tabActive,
    tabIdle: STATUS_META.cancelled.tabIdle,
  },
];

function getStatusKey(status) {
  return STATUS_KEY_BY_CODE[Number(status)] ?? 'unknown';
}

function getStatusMeta(status) {
  return STATUS_META[getStatusKey(status)] ?? STATUS_META.unknown;
}

function formatDisplayDate(value, locale = 'ar-SY') {
  if (!value) return '—';

  const date = new Date(value);
  if (Number.isNaN(date.getTime())) {
    return String(value);
  }

  return date.toLocaleDateString(locale);
}

function formatInputDate(value) {
  if (!value) return '—';

  const date = new Date(value);
  if (Number.isNaN(date.getTime())) {
    return String(value);
  }

  return date.toISOString().split('T')[0];
}

function calculateReservationDays(startDate, endDate) {
  const start = new Date(startDate);
  const end = new Date(endDate);

  if (Number.isNaN(start.getTime()) || Number.isNaN(end.getTime())) {
    return 0;
  }

  const days = Math.ceil((end - start) / (1000 * 60 * 60 * 24));
  return days > 0 ? days : 0;
}

function pickFirstNumber(...values) {
  for (const value of values) {
    const parsed = Number(value);
    if (Number.isFinite(parsed)) {
      return parsed;
    }
  }

  return 0;
}

function pickFirstText(...values) {
  for (const value of values) {
    if (typeof value === 'string' && value.trim()) {
      return value.trim();
    }
  }

  return '';
}

function normalizeCommissionType(value) {
  if (typeof value === 'string' && value.trim()) {
    return value.trim();
  }

  if (value === 0) return 'من المالك';
  if (value === 1) return 'من المستأجر';
  if (value === 2) return 'من الطرفين';

  return 'غير محدد';
}

function buildReservationDisplayName(reservation) {
  return (
    pickFirstText(
      reservation?.customer?.name,
      reservation?.tenant?.name,
      reservation?.user?.name,
      reservation?.customerName,
      reservation?.tenantName,
      reservation?.userName,
      reservation?.fullName,
      reservation?.name,
    ) || `الحجز #${reservation?.id ?? reservation?.reservationId ?? '—'}`
  );
}

function normalizeReservation(reservation, property) {
  const info = property?.propertyInformation ?? property ?? {};
  const status = Number.isFinite(Number(reservation?.status))
    ? Number(reservation.status)
    : RESERVATION_STATUS.pending;
  const days = pickFirstNumber(
    reservation?.days,
    reservation?.durationInDays,
    calculateReservationDays(reservation?.startDate, reservation?.endDate),
  );
  const totalAmount = pickFirstNumber(
    reservation?.totalPrice,
    reservation?.totalAmount,
    reservation?.price,
  );
  const securityDeposit = pickFirstNumber(
    reservation?.securityDeposit,
    reservation?.deposit,
    property?.deposit,
    property?.securityDeposit,
  );
  const dailyPrice = pickFirstNumber(
    reservation?.dailyPrice,
    reservation?.pricePerDay,
    days > 0 ? totalAmount / days : 0,
  );
  const reservationId = pickFirstNumber(reservation?.reservationId, reservation?.id);

  return {
    ...reservation,
    id: reservationId || reservation?.id,
    reservationId: reservationId || reservation?.id,
    user: buildReservationDisplayName(reservation),
    userEmail: pickFirstText(
      reservation?.customer?.email,
      reservation?.tenant?.email,
      reservation?.user?.email,
      reservation?.customerEmail,
      reservation?.tenantEmail,
      reservation?.userEmail,
    ),
    userPhone: pickFirstText(
      reservation?.customer?.phoneNumber,
      reservation?.tenant?.phoneNumber,
      reservation?.user?.phoneNumber,
      reservation?.customerPhone,
      reservation?.tenantPhone,
      reservation?.userPhone,
      reservation?.phoneNumber,
    ),
    userType: pickFirstText(
      reservation?.customerTypeName,
      reservation?.customerType,
      reservation?.tenantType,
      'غير محدد',
    ),
    identityNumber: pickFirstText(
      reservation?.customerIdentityNumber,
      reservation?.tenantIdentityNumber,
      reservation?.identityNumber,
    ),
    property: pickFirstText(info?.address, reservation?.propertyName) || `العقار #${reservation?.propertyId ?? '—'}`,
    propertyId: reservation?.propertyId,
    startDate: formatInputDate(reservation?.startDate),
    endDate: formatInputDate(reservation?.endDate),
    days,
    totalAmount,
    totalPrice: totalAmount,
    dailyPrice,
    commissionRate: pickFirstNumber(reservation?.commissionRate),
    commissionType: normalizeCommissionType(reservation?.commissionType),
    commissionAmount: pickFirstNumber(reservation?.commissionAmount),
    securityDeposit,
    status,
    requestDate: formatDisplayDate(reservation?.createdAt),
    createdAt: reservation?.createdAt,
    ownerApproved: status >= RESERVATION_STATUS.ownerConfirmed,
    adminApproved: status >= RESERVATION_STATUS.depositConfirmed,
    ownerDelivered: Boolean(reservation?.ownerDelivered),
    tenantReceived: Boolean(reservation?.tenantReceived),
    tenantLeft: Boolean(reservation?.tenantLeft),
    ownerReceived: Boolean(reservation?.ownerReceived),
    securityDepositPaid: status >= RESERVATION_STATUS.depositPaid,
    securityDepositReturned: reservation?.securityDepositReturned ?? null,
    contractSigned: Boolean(reservation?.contractSigned),
    notes: pickFirstText(reservation?.comment, reservation?.notes),
    actualStartDate: reservation?.actualStartDate ?? null,
    actualEndDate: reservation?.actualEndDate ?? null,
    _property: info,
  };
}

const ReasonDialog = ({ isOpen, onClose, onConfirm, title, defaultReason = '' }) => {
  const [reason, setReason] = useState(defaultReason);
  const [otherReason, setOtherReason] = useState('');

  const commonReasons = [
    'أعمال صيانة في العقار',
    'العقار غير متاح في هذه التواريخ',
    'مشكلة في وثائق المستأجر',
    'المالك غير متاح للتسليم',
    'تأخر في دفع الضمان',
    'سبب آخر'
  ];

  if (!isOpen) return null;

  return (
    <motion.div
      initial={{ opacity: 0 }}
      animate={{ opacity: 1 }}
      exit={{ opacity: 0 }}
      className="fixed inset-0 bg-black/50 backdrop-blur-sm flex items-center justify-center p-4 z-50"
      onClick={onClose}
    >
      <motion.div
        initial={{ scale: 0.9, y: 20 }}
        animate={{ scale: 1, y: 0 }}
        exit={{ scale: 0.9, y: 20 }}
        className="bg-white rounded-2xl w-full max-w-md p-6 shadow-2xl"
        onClick={(e) => e.stopPropagation()}
      >
        <div className="text-center mb-4">
          <div className="w-16 h-16 bg-red-100 rounded-full flex items-center justify-center mx-auto mb-3">
            <AlertCircle className="w-8 h-8 text-red-600" />
          </div>
          <h3 className="text-xl font-bold text-gray-900">{title}</h3>
          <p className="text-sm text-gray-500 mt-1">يرجى تحديد سبب الرفض</p>
        </div>

        <div className="space-y-3">
          {commonReasons.map((r) => (
            <button
              key={r}
              onClick={() => {
                if (r === 'سبب آخر') {
                } else {
                  onConfirm(r);
                }
              }}
              className="w-full text-right p-3 border rounded-xl hover:bg-gray-50 transition-colors"
            >
              {r}
            </button>
          ))}

          <textarea
            placeholder="اكتب سبباً آخر..."
            value={otherReason}
            onChange={(e) => setOtherReason(e.target.value)}
            className="w-full p-3 border rounded-xl resize-none focus:ring-2 focus:ring-red-500 focus:border-transparent"
            rows="3"
          />

          <div className="flex gap-3 pt-3">
            <button
              onClick={() => onConfirm(otherReason)}
              className="flex-1 bg-red-600 text-white py-3 rounded-xl font-medium hover:bg-red-700 transition-colors"
              disabled={!otherReason.trim()}
            >
              تأكيد الرفض
            </button>
            <button
              onClick={onClose}
              className="flex-1 bg-gray-100 text-gray-700 py-3 rounded-xl font-medium hover:bg-gray-200 transition-colors"
            >
              إلغاء
            </button>
          </div>
        </div>
      </motion.div>
    </motion.div>
  );
};

const DepositCommentDialog = ({
  isOpen,
  request,
  isSubmitting,
  onClose,
  onConfirm,
}) => {
  const [comment, setComment] = useState('');

  useEffect(() => {
    if (!isOpen) {
      setComment('');
    }
  }, [isOpen, request?.id]);

  if (!isOpen || !request) return null;

  return (
    <motion.div
      initial={{ opacity: 0 }}
      animate={{ opacity: 1 }}
      exit={{ opacity: 0 }}
      className="fixed inset-0 bg-black/50 backdrop-blur-sm flex items-center justify-center p-4 z-50"
      onClick={isSubmitting ? undefined : onClose}
    >
      <motion.div
        initial={{ scale: 0.95, y: 20 }}
        animate={{ scale: 1, y: 0 }}
        exit={{ scale: 0.95, y: 20 }}
        className="bg-white rounded-2xl w-full max-w-lg p-6 shadow-2xl"
        onClick={(e) => e.stopPropagation()}
      >
        <div className="text-center mb-5">
          <div className="w-16 h-16 bg-indigo-100 rounded-full flex items-center justify-center mx-auto mb-3">
            <MessageCircle className="w-8 h-8 text-indigo-600" />
          </div>
          <h3 className="text-xl font-bold text-gray-900">تأكيد العربون</h3>
          <p className="text-sm text-gray-500 mt-1">
            يمكنك إضافة تعليق اختياري، أو ترك الحقل فارغاً ليتم إرسال <span className="font-semibold">null</span>.
          </p>
        </div>

        <div className="rounded-xl bg-gray-50 px-4 py-3 text-sm text-gray-700 mb-4 space-y-1">
          <div>رقم الحجز: <span className="font-semibold">#{request.id}</span></div>
          <div>العقار: <span className="font-semibold">{request.property}</span></div>
          <div>المستأجر: <span className="font-semibold">{request.user}</span></div>
        </div>

        <textarea
          value={comment}
          onChange={(e) => setComment(e.target.value)}
          placeholder="اكتب تعليقاً إذا أردت..."
          className="w-full min-h-32 p-4 border rounded-xl resize-none focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
          disabled={isSubmitting}
        />

        <div className="flex gap-3 pt-4">
          <button
            onClick={() => onConfirm(comment)}
            disabled={isSubmitting}
            className="flex-1 bg-indigo-600 text-white py-3 rounded-xl font-medium hover:bg-indigo-700 transition-colors disabled:opacity-60 disabled:cursor-wait flex items-center justify-center gap-2"
          >
            {isSubmitting ? <Loader2 className="w-5 h-5 animate-spin" /> : <CreditCard className="w-5 h-5" />}
            <span>{isSubmitting ? 'جاري الإرسال...' : 'تأكيد الإرسال'}</span>
          </button>
          <button
            onClick={onClose}
            disabled={isSubmitting}
            className="flex-1 bg-gray-100 text-gray-700 py-3 rounded-xl font-medium hover:bg-gray-200 transition-colors disabled:opacity-60"
          >
            إلغاء
          </button>
        </div>
      </motion.div>
    </motion.div>
  );
};

const PDFExportButton = ({ request, onExportComplete }) => {
  const [isExporting, setIsExporting] = useState(false);

  const formatCurrency = (amount) => {
    return amount?.toLocaleString() + ' ل.س';
  };

  const generatePDF = async () => {
    if (!request) {
      toast.error('لا توجد بيانات للتصدير');
      return;
    }
    
    const statusMeta = getStatusMeta(request.status);
    const userTypeLabel = request.userType || 'غير محدد';
    setIsExporting(true);
    const loadingToast = toast.loading('جاري إنشاء ملف PDF...', { id: 'pdf-export' });

    try {
      const printContent = document.createElement('div');
      printContent.style.width = '800px';
      printContent.style.padding = '40px';
      printContent.style.backgroundColor = 'white';
      printContent.style.fontFamily = 'Cairo, Arial, sans-serif';
      printContent.style.direction = 'rtl';
      printContent.style.position = 'absolute';
      printContent.style.left = '-9999px';
      printContent.style.top = '-9999px';
      printContent.style.zIndex = '-9999';
      
      printContent.innerHTML = `
        <!DOCTYPE html>
        <html>
        <head>
          <meta charset="UTF-8">
          <style>
            * {
              margin: 0;
              padding: 0;
              box-sizing: border-box;
              font-family: 'Cairo', 'Arial', sans-serif;
            }
            body {
              background: white;
              padding: 20px;
            }
            .pdf-container {
              max-width: 800px;
              margin: 0 auto;
              background: white;
            }
            .pdf-header {
              text-align: center;
              margin-bottom: 30px;
              padding-bottom: 20px;
              border-bottom: 3px solid #f59e0b;
            }
            .pdf-logo {
              width: 60px;
              height: 60px;
              background: linear-gradient(135deg, #f59e0b, #d97706);
              border-radius: 15px;
              display: inline-flex;
              align-items: center;
              justify-content: center;
              margin-bottom: 15px;
            }
            .pdf-logo svg {
              width: 32px;
              height: 32px;
            }
            .pdf-title {
              font-size: 24px;
              font-weight: bold;
              color: #1f2937;
              margin-bottom: 5px;
            }
            .pdf-subtitle {
              font-size: 12px;
              color: #6b7280;
            }
            .pdf-section {
              margin-bottom: 25px;
              background: #f9fafb;
              border-radius: 16px;
              padding: 20px;
              break-inside: avoid;
            }
            .pdf-section-title {
              font-size: 18px;
              font-weight: bold;
              color: #f59e0b;
              margin-bottom: 15px;
              padding-bottom: 8px;
              border-bottom: 2px solid #e5e7eb;
              display: flex;
              align-items: center;
              gap: 8px;
            }
            .pdf-grid {
              display: grid;
              grid-template-columns: repeat(2, 1fr);
              gap: 12px;
            }
            .pdf-info-item {
              display: flex;
              justify-content: space-between;
              padding: 10px 0;
              border-bottom: 1px solid #f3f4f6;
            }
            .pdf-label {
              font-weight: 600;
              color: #4b5563;
              font-size: 14px;
            }
            .pdf-value {
              color: #1f2937;
              font-weight: 500;
              font-size: 14px;
            }
            .pdf-status {
              display: inline-block;
              padding: 4px 12px;
              border-radius: 20px;
              font-size: 12px;
              font-weight: 600;
            }
            .pdf-status-pending { background: #fef3c7; color: #d97706; }
            .pdf-status-ownerConfirmed { background: #dbeafe; color: #2563eb; }
            .pdf-status-depositPaid { background: #e0e7ff; color: #4338ca; }
            .pdf-status-depositConfirmed { background: #d1fae5; color: #059669; }
            .pdf-status-completed { background: #e5e7eb; color: #4b5563; }
            .pdf-status-cancelled { background: #fee2e2; color: #dc2626; }
            .pdf-status-unknown { background: #f3f4f6; color: #4b5563; }
            .pdf-amount {
              font-size: 18px;
              font-weight: bold;
              color: #f59e0b;
            }
            .pdf-footer {
              margin-top: 30px;
              text-align: center;
              padding-top: 20px;
              border-top: 1px solid #e5e7eb;
              font-size: 11px;
              color: #9ca3af;
            }
            .pdf-badge {
              display: inline-block;
              padding: 2px 8px;
              border-radius: 12px;
              font-size: 11px;
              font-weight: 500;
              background: #f3f4f6;
              color: #374151;
            }
            @media print {
              body {
                padding: 0;
                margin: 0;
              }
              .pdf-section {
                break-inside: avoid;
              }
            }
          </style>
        </head>
        <body>
          <div class="pdf-container">
            <div class="pdf-header">
              <div class="pdf-logo">
                <svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2">
                  <path d="M3 9L12 3L21 9L12 15L3 9Z" stroke="white" fill="none"/>
                  <path d="M12 15V21" stroke="white"/>
                  <path d="M8 12L4 14" stroke="white"/>
                  <path d="M16 12L20 14" stroke="white"/>
                </svg>
              </div>
              <div class="pdf-title">تقرير طلب حجز #${request.id}</div>
              <div class="pdf-subtitle">تاريخ التقرير: ${new Date().toLocaleDateString('ar-SA')} | ${new Date().toLocaleTimeString('ar-SA')}</div>
            </div>
            
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> معلومات المستأجر
              </div>
              <div class="pdf-grid">
                <div class="pdf-info-item">
                  <span class="pdf-label">الاسم الكامل:</span>
                  <span class="pdf-value">${request.user || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">نوع الهوية:</span>
                  <span class="pdf-value">${userTypeLabel}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">رقم الهوية:</span>
                  <span class="pdf-value">${request.identityNumber || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">البريد الإلكتروني:</span>
                  <span class="pdf-value">${request.userEmail || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">رقم الهاتف:</span>
                  <span class="pdf-value">${request.userPhone || 'غير محدد'}</span>
                </div>
              </div>
            </div>
            
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> معلومات العقار
              </div>
              <div class="pdf-grid">
                <div class="pdf-info-item">
                  <span class="pdf-label">العقار:</span>
                  <span class="pdf-value">${request.property || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">السعر اليومي:</span>
                  <span class="pdf-value">${formatCurrency(request.dailyPrice)}</span>
                </div>
              </div>
            </div>
            
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> تفاصيل الحجز
              </div>
              <div class="pdf-grid">
                <div class="pdf-info-item">
                  <span class="pdf-label">تاريخ البداية:</span>
                  <span class="pdf-value">${request.startDate || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">تاريخ النهاية:</span>
                  <span class="pdf-value">${request.endDate || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">عدد الأيام:</span>
                  <span class="pdf-value">${request.days || 0} يوم</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">الحالة:</span>
                  <span class="pdf-value">
                    <span class="pdf-status pdf-status-${statusMeta.pdf}">
                      ${statusMeta.label}
                    </span>
                  </span>
                </div>
              </div>
            </div>
            
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> المعلومات المالية
              </div>
              <div class="pdf-grid">
                <div class="pdf-info-item">
                  <span class="pdf-label">سلفة الضمان:</span>
                  <span class="pdf-value">${formatCurrency(request.securityDeposit)}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">المبلغ الإجمالي:</span>
                  <span class="pdf-value pdf-amount">${formatCurrency(request.totalAmount)}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">نسبة العمولة:</span>
                  <span class="pdf-value">${request.commissionRate || 0}%</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">نوع العمولة:</span>
                  <span class="pdf-value">${request.commissionType || 'غير محدد'}</span>
                </div>
                <div class="pdf-info-item">
                  <span class="pdf-label">قيمة العمولة:</span>
                  <span class="pdf-value">${formatCurrency(request.commissionAmount)}</span>
                </div>
              </div>
            </div>
            
            ${request.notes ? `
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> ملاحظات
              </div>
              <div class="pdf-info-item" style="display: block;">
                <span class="pdf-value">${request.notes}</span>
              </div>
            </div>
            ` : ''}
            
            <div class="pdf-section">
              <div class="pdf-section-title">
                <span></span> سجل الإجراءات
              </div>
              <div style="display: flex; flex-direction: column; gap: 8px;">
                <div style="display: flex; align-items: center; gap: 10px;">
                  <span class="pdf-badge"> ${request.requestDate}</span>
                  <span class="pdf-value">تم إنشاء الطلب</span>
                </div>
                ${request.ownerApproved ? `
                <div style="display: flex; align-items: center; gap: 10px;">
                  <span class="pdf-badge">✓</span>
                  <span class="pdf-value">تمت موافقة المالك</span>
                </div>
                ` : ''}
                ${request.adminApproved ? `
                <div style="display: flex; align-items: center; gap: 10px;">
                  <span class="pdf-badge">✓</span>
                  <span class="pdf-value">تمت موافقة الإدارة</span>
                </div>
                ` : ''}
                ${request.ownerDelivered ? `
                <div style="display: flex; align-items: center; gap: 10px;">
                  <span class="pdf-badge"></span>
                  <span class="pdf-value">تم تسليم المفتاح</span>
                </div>
                ` : ''}
                ${request.tenantReceived ? `
                <div style="display: flex; align-items: center; gap: 10px;">
                  <span class="pdf-badge"></span>
                  <span class="pdf-value">تم استلام العقار</span>
                </div>
                ` : ''}
              </div>
            </div>
            
            <div class="pdf-footer">
              <div>تقرير صادر عن نظام SweetHome لإدارة العقارات</div>
              <div style="margin-top: 5px;">جميع الحقوق محفوظة © ${new Date().getFullYear()} SweetHome</div>
              <div style="margin-top: 5px; font-size: 9px;">هذا التقرير تم إنشاؤه تلقائياً ولا يحتاج إلى توقيع</div>
            </div>
          </div>
        </body>
        </html>
      `;

      document.body.appendChild(printContent);
      
      await new Promise(resolve => setTimeout(resolve, 200));
      
      const canvas = await html2canvas(printContent, {
        scale: 2.5,
        backgroundColor: '#ffffff',
        logging: false,
        useCORS: true,
        windowWidth: printContent.scrollWidth,
        windowHeight: printContent.scrollHeight,
        onclone: (clonedDoc, element) => {
        }
      });
      
      const imgData = canvas.toDataURL('image/png');
      const pdf = new jsPDF({
        orientation: 'portrait',
        unit: 'mm',
        format: 'a4',
        compress: true
      });
      
      const imgWidth = 210;
      const pageHeight = 297;
      const imgHeight = (canvas.height * imgWidth) / canvas.width;
      let heightLeft = imgHeight;
      let position = 0;
      
      pdf.addImage(imgData, 'PNG', 0, position, imgWidth, imgHeight);
      heightLeft -= pageHeight;
      
      let pageCount = 1;
      while (heightLeft > 0) {
        position = heightLeft - imgHeight;
        pdf.addPage();
        pdf.addImage(imgData, 'PNG', 0, position, imgWidth, imgHeight);
        heightLeft -= pageHeight;
        pageCount++;
      }
      
      const fileName = `تقرير_طلب_${request.id}_${new Date().toISOString().split('T')[0]}.pdf`;
      pdf.save(fileName);
      
      document.body.removeChild(printContent);
      
      toast.success(`تم تصدير التقرير بنجاح! (${pageCount} صفحة)`, { id: 'pdf-export' });
      
      if (onExportComplete) {
        onExportComplete();
      }
      
    } catch (error) {
      console.error('Error generating PDF:', error);
      toast.error('حدث خطأ أثناء إنشاء ملف PDF', { id: 'pdf-export' });
    } finally {
      setIsExporting(false);
    }
  };

  return (
    <button
      onClick={generatePDF}
      disabled={isExporting}
      className="flex-1 bg-green-600 text-white py-3 rounded-xl font-medium hover:bg-green-700 transition-all duration-200 flex items-center justify-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed shadow-sm hover:shadow-md"
    >
      {isExporting ? (
        <>
          <Loader2 className="w-5 h-5 animate-spin" />
          جاري التصدير...
        </>
      ) : (
        <>
          <Download className="w-5 h-5" />
          تصدير PDF
        </>
      )}
    </button>
  );
};

const RequestDetailsDialog = ({ request, isOpen, onClose }) => {
  if (!isOpen || !request) return null;

  const formatCurrency = (amount) => {
    return amount?.toLocaleString() + ' ل.س';
  };

  return (
    <motion.div
      initial={{ opacity: 0 }}
      animate={{ opacity: 1 }}
      exit={{ opacity: 0 }}
      className="fixed inset-0 bg-black/50 backdrop-blur-sm flex items-center justify-center p-4 z-50"
      onClick={onClose}
    >
      <motion.div
        initial={{ scale: 0.9, y: 20 }}
        animate={{ scale: 1, y: 0 }}
        exit={{ scale: 0.9, y: 20 }}
        className="bg-white rounded-2xl w-full max-w-3xl max-h-[90vh] overflow-y-auto shadow-2xl"
        onClick={(e) => e.stopPropagation()}
      >
        <div className="sticky top-0 bg-gradient-to-r from-amber-500 to-amber-600 p-5 text-white flex justify-between items-center">
          <div>
            <h2 className="text-xl font-bold flex items-center gap-2">
              <FileText className="w-5 h-5" />
              تفاصيل الطلب #{request.id}
            </h2>
            <p className="text-amber-100 text-sm mt-1">جميع معلومات الطلب في مكان واحد</p>
          </div>
          <button
            onClick={onClose}
            className="p-2 hover:bg-white/20 rounded-full transition-colors"
          >
            <XCircle className="w-6 h-6" />
          </button>
        </div>

        <div className="p-6 space-y-6">
          <div className="bg-gradient-to-br from-blue-50 to-indigo-50 p-4 rounded-xl">
            <h3 className="font-bold mb-3 flex items-center gap-2 text-blue-800">
              <User className="w-4 h-4" />
              معلومات المستأجر
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="text-xs text-gray-500">الاسم الكامل</label>
                <div className="font-medium">{request.user}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">نوع الهوية</label>
                <div className="font-medium">
                  {request.userType || 'غير محدد'}
                  <span className="text-xs text-gray-500 mr-2">{request.identityNumber}</span>
                </div>
              </div>
              <div>
                <label className="text-xs text-gray-500">البريد الإلكتروني</label>
                <div className="font-medium flex items-center gap-1">
                  <Mail className="w-3 h-3 text-gray-400" />
                  {request.userEmail}
                </div>
              </div>
              <div>
                <label className="text-xs text-gray-500">رقم الهاتف</label>
                <div className="font-medium flex items-center gap-1">
                  <Phone className="w-3 h-3 text-gray-400" />
                  {request.userPhone}
                </div>
              </div>
            </div>
          </div>

          <div className="bg-gradient-to-br from-green-50 to-emerald-50 p-4 rounded-xl">
            <h3 className="font-bold mb-3 flex items-center gap-2 text-green-800">
              <Home className="w-4 h-4" />
              معلومات العقار
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="text-xs text-gray-500">العقار</label>
                <div className="font-medium">{request.property}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">السعر اليومي</label>
                <div className="font-medium text-green-600">{formatCurrency(request.dailyPrice)}</div>
              </div>
            </div>
          </div>

          <div className="bg-gradient-to-br from-amber-50 to-orange-50 p-4 rounded-xl">
            <h3 className="font-bold mb-3 flex items-center gap-2 text-amber-800">
              <Calendar className="w-4 h-4" />
              تفاصيل الحجز
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="text-xs text-gray-500">تاريخ البداية</label>
                <div className="font-medium">{request.startDate}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">تاريخ النهاية</label>
                <div className="font-medium">{request.endDate}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">عدد الأيام</label>
                <div className="font-medium">{request.days} يوم</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">المبلغ الإجمالي</label>
                <div className="font-medium text-green-600">{formatCurrency(request.totalAmount)}</div>
              </div>
            </div>
          </div>

          <div className="bg-gradient-to-br from-purple-50 to-pink-50 p-4 rounded-xl">
            <h3 className="font-bold mb-3 flex items-center gap-2 text-purple-800">
              <DollarSign className="w-4 h-4" />
              المعلومات المالية
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="text-xs text-gray-500">سلفة الضمان</label>
                <div className="font-medium text-blue-600">{formatCurrency(request.securityDeposit)}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">حالة العربون</label>
                <div className={`font-medium px-3 py-1 rounded-full text-sm inline-block ${
                  request.securityDepositPaid 
                    ? 'bg-green-100 text-green-800' 
                    : 'bg-yellow-100 text-yellow-800'
                }`}>
                  {request.securityDepositPaid ? '✓ تم الدفع' : '⏳ في انتظار الدفع'}
                </div>
              </div>
              <div>
                <label className="text-xs text-gray-500">نسبة العمولة</label>
                <div className="font-medium">{request.commissionRate}%</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">نوع العمولة</label>
                <div className="font-medium text-amber-600">{request.commissionType}</div>
              </div>
              <div>
                <label className="text-xs text-gray-500">قيمة العمولة</label>
                <div className="font-medium text-amber-600">{formatCurrency(request.commissionAmount)}</div>
              </div>
            </div>
          </div>

          <div className="bg-gray-50 p-4 rounded-xl">
            <h3 className="font-bold mb-3 flex items-center gap-2">
              <History className="w-4 h-4" />
              سجل الإجراءات
            </h3>
            <div className="space-y-2">
              <div className="flex items-center gap-2 text-sm">
                <div className="w-2 h-2 bg-green-500 rounded-full"></div>
                <span className="text-gray-600">تم إنشاء الطلب: {request.requestDate}</span>
              </div>
              {request.ownerApproved && (
                <div className="flex items-center gap-2 text-sm">
                  <div className="w-2 h-2 bg-blue-500 rounded-full"></div>
                  <span className="text-gray-600">موافقة المالك</span>
                </div>
              )}
              {request.adminApproved && (
                <div className="flex items-center gap-2 text-sm">
                  <div className="w-2 h-2 bg-green-500 rounded-full"></div>
                  <span className="text-gray-600">موافقة الإدارة</span>
                </div>
              )}
              {request.ownerDelivered && (
                <div className="flex items-center gap-2 text-sm">
                  <div className="w-2 h-2 bg-purple-500 rounded-full"></div>
                  <span className="text-gray-600">تم تسليم المفتاح من المالك</span>
                </div>
              )}
              {request.notes && (
                <div className="mt-3 p-3 bg-white rounded-lg border">
                  <p className="text-sm text-gray-600">{request.notes}</p>
                </div>
              )}
            </div>
          
          </div>
        </div>

        <div className="sticky bottom-0 bg-white border-t p-4 flex gap-3 shadow-lg">
          <button
            onClick={() => window.print()}
            className="flex-1 bg-blue-600 text-white py-3 rounded-xl font-medium hover:bg-blue-700 transition-colors flex items-center justify-center gap-2"
          >
            <Printer className="w-5 h-5" />
            طباعة التفاصيل
          </button>
          
          <PDFExportButton request={request} />
        </div>
      </motion.div>
    </motion.div>
  );
};

const RequestCard = ({ request, onConfirmDeposit, onViewDetails, confirmingDepositId }) => {
  const [expanded, setExpanded] = useState(
    Number(request.status) === RESERVATION_STATUS.depositPaid,
  );
  const isConfirmingDeposit = confirmingDepositId === request.id;
  const statusMeta = getStatusMeta(request.status);
  const canConfirmDeposit = Number(request.status) === RESERVATION_STATUS.depositPaid;

  const formatCurrency = (amount) => {
    const value = Number(amount) || 0;
    return value.toLocaleString() + ' ل.س';
  };

  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      className={`bg-white border-2 rounded-2xl overflow-hidden transition-all hover:shadow-xl ${statusMeta.card}`}
    >
      <div className="p-4 cursor-pointer" onClick={() => setExpanded((prev) => !prev)}>
        <div className="flex items-center justify-between gap-3">
          <div className="flex items-center gap-3">
            <span className="text-lg font-bold text-gray-900">طلب #{request.id}</span>
            <span className={`px-3 py-1 rounded-full text-xs font-medium shadow-sm ${statusMeta.badge}`}>
              {statusMeta.label}
            </span>
          </div>
          <div className="flex items-center gap-3">
            <span className="text-sm text-gray-500">{request.requestDate}</span>
            {expanded ? (
              <ChevronUp className="w-5 h-5 text-gray-400" />
            ) : (
              <ChevronDown className="w-5 h-5 text-gray-400" />
            )}
          </div>
        </div>

        <div className="grid grid-cols-2 md:grid-cols-4 gap-3 mt-3">
          <div className="flex items-center gap-2 text-sm">
            <User className="w-4 h-4 text-gray-400" />
            <span className="truncate">{request.user}</span>
          </div>
          <div className="flex items-center gap-2 text-sm">
            <Home className="w-4 h-4 text-gray-400" />
            <span className="truncate">{request.property}</span>
          </div>
          <div className="flex items-center gap-2 text-sm">
            <Calendar className="w-4 h-4 text-gray-400" />
            <span>{request.days} أيام</span>
          </div>
          <div className="flex items-center gap-2 text-sm">
            <DollarSign className="w-4 h-4 text-gray-400" />
            <span className="font-bold text-green-600">{formatCurrency(request.totalAmount)}</span>
          </div>
        </div>
      </div>

      <AnimatePresence>
        {expanded && (
          <motion.div
            initial={{ height: 0, opacity: 0 }}
            animate={{ height: 'auto', opacity: 1 }}
            exit={{ height: 0, opacity: 0 }}
            className="border-t bg-white p-4"
          >
            <div className="grid grid-cols-2 md:grid-cols-4 gap-3 mb-4">
              <div className="bg-blue-50 p-2 rounded-lg">
                <div className="text-xs text-gray-500">العربون</div>
                <div className="font-bold text-blue-600">{formatCurrency(request.securityDeposit)}</div>
              </div>
              <div className={`p-2 rounded-lg ${request.securityDepositPaid ? 'bg-green-50' : 'bg-yellow-50'}`}>
                <div className="text-xs text-gray-500">حالة العربون</div>
                <div className={`font-bold text-xs ${request.securityDepositPaid ? 'text-green-600' : 'text-yellow-600'}`}>
                  {request.securityDepositPaid ? 'تم دفع العربون' : 'بانتظار الدفع'}
                </div>
              </div>
              <div className="bg-amber-50 p-2 rounded-lg">
                <div className="text-xs text-gray-500">العمولة</div>
                <div className="font-bold text-amber-600">{request.commissionRate}% ({request.commissionType})</div>
              </div>
              <div className="bg-purple-50 p-2 rounded-lg">
                <div className="text-xs text-gray-500">مدة الإيجار</div>
                <div className="font-bold text-purple-600 text-xs">{request.startDate} إلى {request.endDate}</div>
              </div>
            </div>

            {(request.userEmail || request.userPhone) && (
              <div className="bg-green-50 p-3 rounded-lg mb-4">
                <h4 className="font-bold text-sm mb-2 flex items-center gap-2 text-green-800">
                  <Phone className="w-4 h-4" />
                  معلومات الاتصال
                </h4>
                <div className="grid grid-cols-1 md:grid-cols-2 gap-2 text-sm">
                  <div className="flex items-center gap-1">
                    <Mail className="w-3 h-3 text-gray-500" />
                    <span>{request.userEmail || 'غير متوفر'}</span>
                  </div>
                  <div className="flex items-center gap-1">
                    <Phone className="w-3 h-3 text-gray-500" />
                    <span>{request.userPhone || 'غير متوفر'}</span>
                  </div>
                </div>
              </div>
            )}

            <div className="space-y-3">
              <div className={`grid gap-3 ${canConfirmDeposit ? 'grid-cols-1 md:grid-cols-2' : 'grid-cols-1'}`}>
                <button
                  onClick={() => onViewDetails(request)}
                  className="bg-gray-100 text-gray-700 py-3 rounded-xl font-medium hover:bg-gray-200 transition-colors flex items-center justify-center gap-2"
                >
                  <FileText className="w-5 h-5" />
                  عرض التفاصيل
                </button>

                {canConfirmDeposit && (
                  <button
                    onClick={() => onConfirmDeposit(request)}
                    disabled={isConfirmingDeposit}
                    className={`py-3 rounded-xl font-medium flex items-center justify-center gap-2 transition-all ${
                      isConfirmingDeposit
                        ? 'bg-indigo-300 text-white cursor-wait'
                        : 'bg-indigo-600 text-white hover:bg-indigo-700 transform hover:scale-[1.01]'
                    }`}
                  >
                    {isConfirmingDeposit ? (
                      <Loader2 className="w-5 h-5 animate-spin" />
                    ) : (
                      <CreditCard className="w-5 h-5" />
                    )}
                    <span>تأكيد العربون</span>
                  </button>
                )}
              </div>

              {Number(request.status) === RESERVATION_STATUS.depositConfirmed && (
                <div className="rounded-xl bg-green-50 px-4 py-3 text-sm text-green-800">
                  تم تأكيد العربون من قبل الإدارة.
                </div>
              )}

              {request.notes && (
                <div className="rounded-xl bg-gray-50 px-4 py-3 text-sm text-gray-700">
                  {request.notes}
                </div>
              )}
            </div>
          </motion.div>
        )}
      </AnimatePresence>
    </motion.div>
  );
};

export default function BookingRequests() {
  /*
    Legacy dummy data kept for reference only. The page now loads real
    reservations from the API instead of rendering these local examples.

    const DUMMY_REQUESTS = [
      {
        id: 'REQ001',
        user: 'أحمد محمد',
        userEmail: 'ahmed@example.com',
        userPhone: '0938123456',
        userType: 'syrian',
        identityNumber: '123456789',
        property: 'فيلا فاخرة في دمشق',
        propertyId: 1,
        startDate: '2024-03-01',
        endDate: '2024-03-10',
        days: 10,
        totalAmount: 5000000,
        dailyPrice: 500000,
        commissionRate: 5,
        commissionType: 'من المالك',
        commissionAmount: 250000,
        securityDeposit: 500000,
        status: 'pending',
        requestDate: '2024-02-25',
        ownerApproved: false,
        adminApproved: false,
        ownerDelivered: false,
        tenantReceived: false,
        tenantLeft: false,
        ownerReceived: false,
        securityDepositPaid: false,
        securityDepositReturned: null,
        contractSigned: false,
        notes: '',
        actualStartDate: null,
        actualEndDate: null
      },
      {
        id: 'REQ002',
        user: 'سارة أحمد',
        userEmail: 'sara@example.com',
        userPhone: '0945123789',
        userType: 'passport',
        identityNumber: 'AB123456',
        property: 'شقة حديثة في حلب',
        propertyId: 2,
        startDate: '2024-03-05',
        endDate: '2024-03-15',
        days: 10,
        totalAmount: 2500000,
        dailyPrice: 250000,
        commissionRate: 7,
        commissionType: 'من المستأجر',
        commissionAmount: 175000,
        securityDeposit: 250000,
        status: 'admin_approved',
        requestDate: '2024-02-24',
        ownerApproved: true,
        adminApproved: true,
        ownerDelivered: false,
        tenantReceived: false,
        tenantLeft: false,
        ownerReceived: false,
        securityDepositPaid: false,
        securityDepositReturned: null,
        contractSigned: false,
        notes: '',
        actualStartDate: null,
        actualEndDate: null
      },
      {
        id: 'REQ003',
        user: 'محمد الحلبي',
        userEmail: 'mohammed@example.com',
        userPhone: '0956123456',
        userType: 'syrian',
        identityNumber: '987654321',
        property: 'شقة بجانب البحر في اللاذقية',
        propertyId: 3,
        startDate: '2024-02-20',
        endDate: '2024-03-20',
        days: 30,
        totalAmount: 9000000,
        dailyPrice: 300000,
        commissionRate: 5,
        commissionType: 'من الاثنين',
        commissionAmount: 450000,
        securityDeposit: 500000,
        status: 'active',
        requestDate: '2024-02-15',
        ownerApproved: true,
        adminApproved: true,
        ownerDelivered: true,
        tenantReceived: true,
        tenantLeft: false,
        ownerReceived: false,
        securityDepositPaid: true,
        securityDepositReturned: null,
        contractSigned: true,
        notes: 'عقد موقع إلكترونياً',
        actualStartDate: '2024-02-20',
        actualEndDate: null
      }
    ];
  */

  const [requests, setRequests] = useState([]);
  const [filter, setFilter] = useState('depositPaid');
  const [detailsDialog, setDetailsDialog] = useState({ isOpen: false, request: null });
  const [depositDialog, setDepositDialog] = useState({ isOpen: false, request: null });
  const [confirmingDepositId, setConfirmingDepositId] = useState(null);
  const [isLoading, setIsLoading] = useState(true);
  const [loadError, setLoadError] = useState('');

  const loadReservations = useCallback(async () => {
    setIsLoading(true);
    setLoadError('');

    try {
      if (!AuthService.isAdmin()) {
        throw new Error('هذه الصفحة متاحة للإدارة فقط');
      }

      let list = await getReservations();
      if (!Array.isArray(list)) {
        list = [];
      }

      const propertyCache = new Map();
      const uniquePropertyIds = [...new Set(list.map((item) => item?.propertyId).filter((id) => id != null))];

      await Promise.all(
        uniquePropertyIds.map(async (propertyId) => {
          try {
            const property = await getRentProperty(propertyId);
            propertyCache.set(propertyId, property);
          } catch (error) {
            console.warn('[Admin] Failed to load property details for reservation:', propertyId, error);
            propertyCache.set(propertyId, null);
          }
        }),
      );

      const normalizedRequests = list
        .map((reservation) => normalizeReservation(reservation, propertyCache.get(reservation?.propertyId)))
        .filter((reservation) => reservation?.id != null)
        .sort((left, right) => {
          const leftDate = new Date(left.createdAt || 0).getTime();
          const rightDate = new Date(right.createdAt || 0).getTime();
          return rightDate - leftDate;
        });

      setRequests(normalizedRequests);
    } catch (error) {
      console.error('[Admin] Failed to load reservations:', error);
      setLoadError(error.message || 'فشل تحميل الحجوزات');
      setRequests([]);
      toast.error(error.message || 'فشل تحميل الحجوزات');
    } finally {
      setIsLoading(false);
    }
  }, []);

  useEffect(() => {
    loadReservations();
  }, [loadReservations]);

  const openDepositConfirmationDialog = (request) => {
    setDepositDialog({ isOpen: true, request });
  };

  const closeDepositConfirmationDialog = () => {
    if (confirmingDepositId != null) return;
    setDepositDialog({ isOpen: false, request: null });
  };

  const handleDepositConfirmation = async (request, commentInput = null) => {
    if (!AuthService.isAdmin()) {
      console.warn('[Admin] Deposit confirmation blocked: current user is not admin', {
        user: AuthService.getUser(),
        roles: AuthService.getRoles?.(),
        request,
      });
      toast.error('هذا الإجراء متاح للإدارة فقط');
      return;
    }

    if (Number(request?.status) !== RESERVATION_STATUS.depositPaid) {
      console.warn('[Admin] Deposit confirmation blocked: reservation is not in depositPaid state', {
        requestId: request?.id,
        reservationId: request?.reservationId,
        status: request?.status,
      });
      toast.error('يمكن تأكيد العربون فقط عندما تكون الحالة depositPaid');
      return;
    }

    const reservationId = Number(request?.reservationId ?? request?.id);
    if (!Number.isFinite(reservationId)) {
      toast.error('تعذر تحديد رقم الحجز المطلوب');
      return;
    }

    const adminUser = AuthService.getUser();
    const parsedAdminId = Number(adminUser?.id);
    const adminId = Number.isFinite(parsedAdminId) ? parsedAdminId : adminUser?.id;
    const normalizedComment =
      typeof commentInput === 'string' && commentInput.trim()
        ? commentInput.trim()
        : null;

    console.log('[Admin] Preparing admin confirm deposit request', {
      requestId: request?.id,
      reservationId,
      adminId,
      adminUser,
      status: request?.status,
      endpoint: '/Reservations/AdminConfirmDeposit/admin-confirm-deposit',
      payload: {
        reservationId,
        adminId,
        comment: normalizedComment,
      },
    });

    if (adminId == null || adminId === '') {
      console.warn('[Admin] Deposit confirmation blocked: adminId is missing', {
        adminUser,
        parsedAdminId,
      });
      toast.error('لم نتمكن من تحديد هوية المدير');
      return;
    }

    setConfirmingDepositId(request.id);

    try {
      const result = await adminConfirmDeposit(reservationId, adminId, normalizedComment);

      console.log('[Admin] Deposit confirmation response', {
        requestId: request?.id,
        reservationId,
        adminId,
        comment: normalizedComment,
        status: result?.status,
        ok: result?.ok,
        message: result?.message,
        data: result?.data,
      });

      if (!result.ok) {
        throw new Error(result.message || result.data?.message || `HTTP ${result.status}`);
      }

      setRequests((prev) =>
        prev.map((req) =>
          req.id === request.id
            ? {
                ...req,
                status: RESERVATION_STATUS.depositConfirmed,
                adminApproved: true,
                securityDepositPaid: true,
                notes: normalizedComment || 'تم تأكيد العربون من قبل الإدارة',
              }
            : req,
        ),
      );

      setDepositDialog({ isOpen: false, request: null });
      toast.success('تم تأكيد العربون بنجاح');
    } catch (err) {
      console.error('[Admin] Deposit confirmation failed:', err);
      toast.error(err.message || 'فشل تأكيد العربون');
    } finally {
      setConfirmingDepositId(null);
    }
  };

  const filteredRequests = requests.filter((req) =>
    filter === 'all' ? true : getStatusKey(req.status) === filter,
  );

  const counts = FILTER_TABS.reduce((acc, tab) => {
    acc[tab.id] =
      tab.id === 'all'
        ? requests.length
        : requests.filter((req) => getStatusKey(req.status) === tab.id).length;
    return acc;
  }, {});

  const stats = {
    total: requests.length,
    depositPaid: counts.depositPaid || 0,
    depositConfirmed: counts.depositConfirmed || 0,
    completed: counts.completed || 0,
  };

  return (
    <div className="space-y-6">
      <Toaster position="top-center" reverseOrder={false} />

      <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
        <div>
          <h2 className="text-2xl font-bold text-gray-900">متابعة حجوزات العربون</h2>
          <p className="text-sm text-gray-600 mt-1">
            يتم جلب جميع الحجوزات من الخادم، مع فتح الحجوزات ذات الحالة <span className="font-semibold">depositPaid (2)</span> بشكل افتراضي.
          </p>
        </div>

        <button
          onClick={loadReservations}
          disabled={isLoading}
          className="self-start rounded-xl bg-gray-100 px-4 py-2 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-200 disabled:cursor-wait disabled:opacity-60"
        >
          {isLoading ? 'جاري التحديث...' : 'تحديث الحجوزات'}
        </button>
      </div>

      {loadError && (
        <div className="rounded-2xl border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-700">
          {loadError}
        </div>
      )}

      <div className="grid grid-cols-2 xl:grid-cols-4 gap-4">
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          className="bg-gradient-to-br from-blue-600 to-blue-700 text-white rounded-2xl p-4 shadow-lg"
        >
          <div className="text-3xl font-bold mb-1">{stats.total}</div>
          <div className="text-sm opacity-90">إجمالي الحجوزات</div>
        </motion.div>
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ delay: 0.1 }}
          className="bg-gradient-to-br from-indigo-600 to-indigo-700 text-white rounded-2xl p-4 shadow-lg"
        >
          <div className="text-3xl font-bold mb-1">{stats.depositPaid}</div>
          <div className="text-sm opacity-90">تم دفع العربون</div>
        </motion.div>
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ delay: 0.2 }}
          className="bg-gradient-to-br from-green-600 to-green-700 text-white rounded-2xl p-4 shadow-lg"
        >
          <div className="text-3xl font-bold mb-1">{stats.depositConfirmed}</div>
          <div className="text-sm opacity-90">تم تأكيد العربون</div>
        </motion.div>
        <motion.div
          initial={{ opacity: 0, y: 20 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ delay: 0.3 }}
          className="bg-gradient-to-br from-gray-600 to-gray-700 text-white rounded-2xl p-4 shadow-lg"
        >
          <div className="text-3xl font-bold mb-1">{stats.completed}</div>
          <div className="text-sm opacity-90">منتهية</div>
        </motion.div>
      </div>

      <div className="bg-white/80 backdrop-blur-sm rounded-2xl p-4 shadow-lg border border-white/20">
        <div className="flex items-center justify-between mb-3">
          <h3 className="font-bold text-gray-700">تصفية حسب الحالة</h3>
          <span className="text-sm text-gray-500">{filteredRequests.length} طلب</span>
        </div>

        <div className="flex flex-wrap gap-2">
          {FILTER_TABS.map((tab) => (
            <button
              key={tab.id}
              onClick={() => setFilter(tab.id)}
              className={`rounded-xl px-4 py-2 text-sm font-medium transition-all transform hover:scale-[1.01] ${
                filter === tab.id ? tab.tabActive : tab.tabIdle
              }`}
            >
              {tab.label} ({counts[tab.id] || 0})
            </button>
          ))}
        </div>
      </div>

      {isLoading ? (
        <div className="flex items-center justify-center py-16">
          <Loader2 className="w-10 h-10 text-indigo-600 animate-spin" />
        </div>
      ) : (
        <div className="space-y-4">
          {filteredRequests.map((request) => (
            <RequestCard
              key={request.id}
              request={request}
              onConfirmDeposit={openDepositConfirmationDialog}
              onViewDetails={(selectedRequest) => setDetailsDialog({ isOpen: true, request: selectedRequest })}
              confirmingDepositId={confirmingDepositId}
            />
          ))}
        </div>
      )}

      {!isLoading && filteredRequests.length === 0 && (
        <motion.div
          initial={{ opacity: 0, scale: 0.9 }}
          animate={{ opacity: 1, scale: 1 }}
          className="text-center py-16 bg-white rounded-2xl border-2 border-dashed border-gray-300"
        >
          <div className="w-24 h-24 bg-gray-100 rounded-full flex items-center justify-center mx-auto mb-4">
            <Clock className="w-12 h-12 text-gray-400" />
          </div>
          <h3 className="text-xl font-bold text-gray-700 mb-2">لا توجد حجوزات مطابقة</h3>
          <p className="text-gray-500">
            لم يتم العثور على حجوزات ضمن الحالة الحالية.
          </p>
        </motion.div>
      )}

      <RequestDetailsDialog
        request={detailsDialog.request}
        isOpen={detailsDialog.isOpen}
        onClose={() => setDetailsDialog({ isOpen: false, request: null })}
      />

      <DepositCommentDialog
        isOpen={depositDialog.isOpen}
        request={depositDialog.request}
        isSubmitting={confirmingDepositId === depositDialog.request?.id}
        onClose={closeDepositConfirmationDialog}
        onConfirm={(comment) => handleDepositConfirmation(depositDialog.request, comment)}
      />
    </div>
  );
}