'use client';

import { useState, useRef, useMemo } from 'react';
import { motion, AnimatePresence } from 'framer-motion';
import { useRouter } from 'next/navigation';
import Link from 'next/link';
import Image from 'next/image';
import {
  User, Mail, Phone, Lock, Eye, EyeOff, MessageCircle,
  Camera, X, CheckCircle, XCircle, ArrowLeft,
  Loader2, Shield, KeyRound, MapPin, FileText,
  BadgeCheck, Briefcase, Calendar
} from 'lucide-react';
import toast, { Toaster } from 'react-hot-toast';
import {
  registerRealEstateAgent,
  loginWithEmail,
  sendEmailOTP,
  verifyEmail
} from '../../utils/api';
import AuthService from '../../services/AuthService';

export default function AgentRegisterPage() {
  const router = useRouter();
  const [step, setStep] = useState(1);
  const [showOtpModal, setShowOtpModal] = useState(false);
  const [showPassword, setShowPassword] = useState(false);
  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
  const [isLoading, setIsLoading] = useState(false);

  const [formData, setFormData] = useState({
    firstName: '',
    lastName: '',
    email: '',
    phone: '',
    whatsapp: '',
    nationalNumber: '',
    password: '',
    confirmPassword: '',
    agencyAddress: '',
    licenseNumber: '',
    agreeTerms: false
  });

  const [idImages, setIdImages] = useState({
    front: null,
    back: null,
    license: null
  });

  const [idImagePreviews, setIdImagePreviews] = useState({
    front: '',
    back: '',
    license: ''
  });

  const [otpCode, setOtpCode] = useState('');
  const [errors, setErrors] = useState({});

  const fileInputFrontRef = useRef(null);
  const fileInputBackRef = useRef(null);
  const fileInputLicenseStep3Ref = useRef(null);

  const validateEmail = (email) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
  const validatePhone = (phone) => /^(09|05)[0-9]{8}$/.test(phone);

  const handleImageUpload = (side, file) => {
    if (!file) return;

    if (!file.type.startsWith('image/')) {
      toast.error('الرجاء اختيار صورة صالحة');
      return;
    }

    if (file.size > 5 * 1024 * 1024) {
      toast.error('حجم الصورة يجب أن يكون أقل من 5 ميجابايت');
      return;
    }

    const reader = new FileReader();
    reader.onloadend = () => {
      setIdImagePreviews((prev) => ({ ...prev, [side]: reader.result }));
    };
    reader.readAsDataURL(file);
    setIdImages((prev) => ({ ...prev, [side]: file }));

    toast.success('تم رفع الصورة بنجاح', {
      style: { background: '#dcfce7', color: '#166534' }
    });
  };

  const validateStep1 = () => {
    const newErrors = {};

    if (!formData.firstName) newErrors.firstName = 'الاسم الأول مطلوب';
    if (!formData.lastName) newErrors.lastName = 'اسم العائلة مطلوب';

    if (!formData.email) newErrors.email = 'البريد الإلكتروني مطلوب';
    else if (!validateEmail(formData.email)) newErrors.email = 'البريد الإلكتروني غير صالح';

    if (!formData.phone) newErrors.phone = 'رقم الهاتف مطلوب';
    else if (!validatePhone(formData.phone)) newErrors.phone = 'رقم الهاتف غير صالح (يجب أن يبدأ 09 أو 05)';

    if (!formData.password) newErrors.password = 'كلمة المرور مطلوبة';
    else if (formData.password.length < 6) newErrors.password = 'كلمة المرور يجب أن تكون 6 أحرف على الأقل';

    if (!formData.confirmPassword) newErrors.confirmPassword = 'تأكيد كلمة المرور مطلوب';
    else if (formData.password !== formData.confirmPassword) newErrors.confirmPassword = 'كلمات المرور غير متطابقة';

    setErrors(newErrors);
    return Object.keys(newErrors).length === 0;
  };

  const validateStep2 = () => {
    const newErrors = {};

    if (!formData.nationalNumber) newErrors.nationalNumber = 'الرقم الوطني مطلوب';

    if (!formData.whatsapp) newErrors.whatsapp = 'رقم الواتساب مطلوب';
    else if (!validatePhone(formData.whatsapp)) newErrors.whatsapp = 'رقم الواتساب غير صالح (يجب أن يبدأ 09 أو 05)';

    if (!idImages.front) newErrors.front = 'صورة الوجه الأمامي للهوية مطلوبة';
    if (!idImages.back) newErrors.back = 'صورة الوجه الخلفي للهوية مطلوبة';

    setErrors(newErrors);
    return Object.keys(newErrors).length === 0;
  };

  const validateStep3 = () => {
    const newErrors = {};

    if (!formData.agencyAddress) newErrors.agencyAddress = 'عنوان الوكالة مطلوب';
    if (!formData.licenseNumber) newErrors.licenseNumber = 'رقم الترخيص مطلوب';
    if (!idImages.license) newErrors.license = 'صورة الترخيص مطلوبة';

    setErrors(newErrors);
    return Object.keys(newErrors).length === 0;
  };

  const handleNextStep = () => {
    if (step === 1 && validateStep1()) {
      setStep(2);
      window.scrollTo({ top: 0, behavior: 'smooth' });
    } else if (step === 2 && validateStep2()) {
      setStep(3);
      window.scrollTo({ top: 0, behavior: 'smooth' });
    } else if (step === 3 && validateStep3()) {
      setStep(4);
      window.scrollTo({ top: 0, behavior: 'smooth' });
    } else {
      toast.error('يرجى تصحيح الأخطاء في النموذج');
    }
  };

  const buildFormData = () => {
    const fd = new FormData();

    // مطابق للـ API
    fd.append('Address', formData.agencyAddress);
    fd.append('LicenseNumber', formData.licenseNumber);

    fd.append('Owner.FirstName', formData.firstName);
    fd.append('Owner.LastName', formData.lastName);
    fd.append('Owner.Email', formData.email);
    fd.append('Owner.Password', formData.password);
    fd.append('Owner.PhoneNumber', formData.phone);
    fd.append('Owner.Phone', formData.phone);
    fd.append('Owner.NationalNumber', formData.nationalNumber);
    fd.append('Owner.WhatsAppNumber', formData.whatsapp);
    fd.append('Owner.Language', '0');

    // مطابق لأسماء الحقول الظاهرة في swagger
    if (idImages.front) fd.append('FrontIdCarImage', idImages.front);
    if (idImages.back) fd.append('RearIdCarImage', idImages.back);
    if (idImages.license) fd.append('license', idImages.license);

    return fd;
  };

  const handleSubmit = async (e) => {
    e.preventDefault();

    if (!formData.agreeTerms) {
      toast.error('يجب الموافقة على الشروط والأحكام');
      return;
    }

    setIsLoading(true);
    try {
      const fd = buildFormData();

      const res = await registerRealEstateAgent(fd);

      if (res?.ok || res?.status === 200) {
        const tempToken = res?.data;
        if (tempToken) AuthService.addToken(tempToken);

        toast.success(res?.message || 'تم إنشاء الحساب! يرجى التحقق من بريدك الإلكتروني', {
          duration: 4000
        });

        const loginRes = await loginWithEmail(formData.email, formData.password);

        if (loginRes?.status === 206) {
          const otpToken = loginRes?.data;
          if (otpToken) AuthService.addToken(otpToken);

          toast(loginRes?.message || 'تم إرسال رمز التحقق إلى بريدك الإلكتروني', {
            icon: '📧'
          });
          setShowOtpModal(true);
        } else if (loginRes?.status === 200) {
          const loginToken = loginRes?.data;
          if (loginToken) AuthService.addToken(loginToken);

          toast.success(loginRes?.message || 'تم تسجيل الدخول بنجاح!');
          router.push('/');
        } else {
          toast.success('تم إنشاء الحساب بنجاح! يرجى تسجيل الدخول');
          setTimeout(() => router.push('/login'), 1500);
        }
      } else {
        toast.error(res?.message || res?.data?.message || 'فشل في إنشاء الحساب');
      }
    } catch (err) {
      toast.error(err?.message || 'حدث خطأ أثناء التسجيل');
    } finally {
      setIsLoading(false);
    }
  };

  const handleVerifyOTP = async () => {
    if (!otpCode || otpCode.length < 4) {
      toast.error('يرجى إدخال رمز التحقق');
      return;
    }

    setIsLoading(true);
    try {
      const res = await verifyEmail(otpCode);

      if (res?.status === 200) {
        AuthService.deleteToken();
        toast.success(res?.message || 'تم التحقق من البريد الإلكتروني بنجاح!');
        setShowOtpModal(false);
        setTimeout(() => router.push('/login'), 1500);
      } else {
        toast.error(res?.message || res?.data?.message || 'رمز التحقق غير صحيح');
      }
    } catch (err) {
      toast.error(err?.message || 'حدث خطأ أثناء التحقق');
    } finally {
      setIsLoading(false);
    }
  };

  const handleResendOTP = async () => {
    setIsLoading(true);
    try {
      await sendEmailOTP();
      toast.success('تم إرسال رمز تحقق جديد');
    } catch (err) {
      toast.error('فشل في إرسال الرمز');
    } finally {
      setIsLoading(false);
    }
  };

  const fadeInUp = {
    initial: { opacity: 0, y: 20 },
    animate: { opacity: 1, y: 0 },
    transition: { duration: 0.5 }
  };

  const staggerContainer = {
    animate: { transition: { staggerChildren: 0.1 } }
  };

  const backgroundElements = useMemo(() => {
    const circles = [
      {
        style: { top: '20%', right: '20%', width: '256px', height: '256px' },
        className: 'bg-purple-500/5'
      },
      {
        style: { bottom: '20%', left: '20%', width: '320px', height: '320px' },
        className: 'bg-amber-500/5'
      },
      {
        style: {
          top: '50%',
          left: '50%',
          width: '384px',
          height: '384px',
          transform: 'translate(-50%, -50%)'
        },
        className: 'bg-purple-500/5'
      }
    ];

    const dots = Array.from({ length: 10 }).map((_, i) => ({
      left: `${5 + i * 10}%`,
      top: `${10 + ((i * 7) % 80)}%`,
      size: `${80 + (i % 5) * 15}px`
    }));

    return (
      <>
        {circles.map((circle, i) => (
          <div
            key={`circle-${i}`}
            className={`absolute rounded-full ${circle.className}`}
            style={circle.style}
          />
        ))}
        {dots.map((dot, i) => (
          <div
            key={`dot-${i}`}
            className="absolute rounded-full bg-purple-500/10"
            style={{
              left: dot.left,
              top: dot.top,
              width: dot.size,
              height: dot.size
            }}
          />
        ))}
      </>
    );
  }, []);

  const stepTitles = [
    'المعلومات الأساسية',
    'معلومات الهوية',
    'معلومات الوكالة',
    'تأكيد التسجيل'
  ];

  const stepDescriptions = [
    'أدخل معلوماتك الأساسية',
    'يرجى رفع صور الهوية للتحقق',
    'أدخل بيانات الوكالة والترخيص',
    'راجع معلوماتك قبل الإرسال'
  ];

  const renderStepFields = () => {
    switch (step) {
      case 1:
        return (
          <>
            <motion.div variants={fadeInUp} className="grid grid-cols-2 gap-3">
              <div>
                <label className="block text-sm font-medium text-gray-300 mb-2">
                  الاسم الأول <span className="text-red-500">*</span>
                </label>
                <div className="relative group">
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                    <User
                      className={`w-5 h-5 ${
                        errors.firstName
                          ? 'text-red-500'
                          : 'text-gray-400 group-focus-within:text-purple-500'
                      }`}
                    />
                  </div>
                  <input
                    type="text"
                    value={formData.firstName}
                    onChange={(e) => {
                      setFormData({ ...formData, firstName: e.target.value });
                      setErrors({ ...errors, firstName: null });
                    }}
                    className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                      errors.firstName ? 'border-red-500' : 'border-gray-700'
                    }`}
                    placeholder="الاسم الأول"
                  />
                </div>
                {errors.firstName && (
                  <p className="text-red-500 text-sm mt-1">{errors.firstName}</p>
                )}
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-300 mb-2">
                  اسم العائلة <span className="text-red-500">*</span>
                </label>
                <input
                  type="text"
                  value={formData.lastName}
                  onChange={(e) => {
                    setFormData({ ...formData, lastName: e.target.value });
                    setErrors({ ...errors, lastName: null });
                  }}
                  className={`w-full px-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.lastName ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="اسم العائلة"
                />
                {errors.lastName && (
                  <p className="text-red-500 text-sm mt-1">{errors.lastName}</p>
                )}
              </div>
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                البريد الإلكتروني <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <Mail
                    className={`w-5 h-5 ${
                      errors.email
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="email"
                  value={formData.email}
                  onChange={(e) => {
                    setFormData({ ...formData, email: e.target.value });
                    setErrors({ ...errors, email: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.email ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل بريدك الإلكتروني"
                />
              </div>
              {errors.email && <p className="text-red-500 text-sm mt-1">{errors.email}</p>}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                رقم الهاتف <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <Phone
                    className={`w-5 h-5 ${
                      errors.phone
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="tel"
                  value={formData.phone}
                  onChange={(e) => {
                    setFormData({ ...formData, phone: e.target.value });
                    setErrors({ ...errors, phone: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.phone ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل رقم هاتفك"
                />
              </div>
              {errors.phone && <p className="text-red-500 text-sm mt-1">{errors.phone}</p>}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                كلمة المرور <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <Lock
                    className={`w-5 h-5 ${
                      errors.password
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type={showPassword ? 'text' : 'password'}
                  value={formData.password}
                  onChange={(e) => {
                    setFormData({ ...formData, password: e.target.value });
                    setErrors({ ...errors, password: null });
                  }}
                  className={`w-full pr-12 pl-12 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.password ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل كلمة المرور"
                />
                <button
                  type="button"
                  onClick={() => setShowPassword(!showPassword)}
                  className="absolute inset-y-0 left-0 pl-3 flex items-center"
                >
                  {showPassword ? (
                    <EyeOff className="w-5 h-5 text-gray-400" />
                  ) : (
                    <Eye className="w-5 h-5 text-gray-400" />
                  )}
                </button>
              </div>
              {errors.password && <p className="text-red-500 text-sm mt-1">{errors.password}</p>}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                تأكيد كلمة المرور <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <Lock
                    className={`w-5 h-5 ${
                      errors.confirmPassword
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type={showConfirmPassword ? 'text' : 'password'}
                  value={formData.confirmPassword}
                  onChange={(e) => {
                    setFormData({ ...formData, confirmPassword: e.target.value });
                    setErrors({ ...errors, confirmPassword: null });
                  }}
                  className={`w-full pr-12 pl-12 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.confirmPassword ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أعد إدخال كلمة المرور"
                />
                <button
                  type="button"
                  onClick={() => setShowConfirmPassword(!showConfirmPassword)}
                  className="absolute inset-y-0 left-0 pl-3 flex items-center"
                >
                  {showConfirmPassword ? (
                    <EyeOff className="w-5 h-5 text-gray-400" />
                  ) : (
                    <Eye className="w-5 h-5 text-gray-400" />
                  )}
                </button>
                {formData.confirmPassword && (
                  <div className="absolute inset-y-0 left-12 flex items-center">
                    {formData.password === formData.confirmPassword ? (
                      <CheckCircle className="w-5 h-5 text-green-500" />
                    ) : (
                      <XCircle className="w-5 h-5 text-red-500" />
                    )}
                  </div>
                )}
              </div>
              {errors.confirmPassword && (
                <p className="text-red-500 text-sm mt-1">{errors.confirmPassword}</p>
              )}
            </motion.div>
          </>
        );

      case 2:
        return (
          <>
            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                الرقم الوطني <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <User
                    className={`w-5 h-5 ${
                      errors.nationalNumber
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="text"
                  value={formData.nationalNumber}
                  onChange={(e) => {
                    setFormData({ ...formData, nationalNumber: e.target.value });
                    setErrors({ ...errors, nationalNumber: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.nationalNumber ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل الرقم الوطني"
                />
              </div>
              {errors.nationalNumber && (
                <p className="text-red-500 text-sm mt-1">{errors.nationalNumber}</p>
              )}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                رقم الواتساب <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <MessageCircle
                    className={`w-5 h-5 ${
                      errors.whatsapp
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="tel"
                  value={formData.whatsapp}
                  onChange={(e) => {
                    setFormData({ ...formData, whatsapp: e.target.value });
                    setErrors({ ...errors, whatsapp: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.whatsapp ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل رقم الواتساب"
                />
              </div>
              {errors.whatsapp && <p className="text-red-500 text-sm mt-1">{errors.whatsapp}</p>}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                صورة الهوية - الوجه الأمامي <span className="text-red-500">*</span>
              </label>
              <div
                onClick={() => fileInputFrontRef.current?.click()}
                className={`relative border-2 border-dashed rounded-xl p-6 text-center cursor-pointer transition-all ${
                  idImagePreviews.front
                    ? 'border-green-500 bg-green-500/10'
                    : errors.front
                    ? 'border-red-500 bg-red-500/10'
                    : 'border-gray-700 hover:border-purple-500 hover:bg-white/5'
                }`}
              >
                <input
                  ref={fileInputFrontRef}
                  type="file"
                  accept="image/*"
                  onChange={(e) => handleImageUpload('front', e.target.files?.[0])}
                  className="hidden"
                />

                {idImagePreviews.front ? (
                  <div className="relative">
                    <Image
                      src={idImagePreviews.front}
                      alt="Front ID"
                      width={200}
                      height={120}
                      className="mx-auto rounded-lg object-cover"
                    />
                    <button
                      type="button"
                      onClick={(e) => {
                        e.stopPropagation();
                        setIdImages((prev) => ({ ...prev, front: null }));
                        setIdImagePreviews((prev) => ({ ...prev, front: '' }));
                      }}
                      className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 rounded-full flex items-center justify-center hover:bg-red-600"
                    >
                      <X className="w-4 h-4 text-white" />
                    </button>
                  </div>
                ) : (
                  <>
                    <Camera className="w-12 h-12 text-gray-500 mx-auto mb-3" />
                    <p className="text-gray-400">اضغط لرفع الصورة</p>
                    <p className="text-xs text-gray-500 mt-2">JPEG, PNG, JPG • حتى 5MB</p>
                  </>
                )}
              </div>
              {errors.front && <p className="text-red-500 text-sm mt-1">{errors.front}</p>}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                صورة الهوية - الوجه الخلفي <span className="text-red-500">*</span>
              </label>
              <div
                onClick={() => fileInputBackRef.current?.click()}
                className={`relative border-2 border-dashed rounded-xl p-6 text-center cursor-pointer transition-all ${
                  idImagePreviews.back
                    ? 'border-green-500 bg-green-500/10'
                    : errors.back
                    ? 'border-red-500 bg-red-500/10'
                    : 'border-gray-700 hover:border-purple-500 hover:bg-white/5'
                }`}
              >
                <input
                  ref={fileInputBackRef}
                  type="file"
                  accept="image/*"
                  onChange={(e) => handleImageUpload('back', e.target.files?.[0])}
                  className="hidden"
                />

                {idImagePreviews.back ? (
                  <div className="relative">
                    <Image
                      src={idImagePreviews.back}
                      alt="Back ID"
                      width={200}
                      height={120}
                      className="mx-auto rounded-lg object-cover"
                    />
                    <button
                      type="button"
                      onClick={(e) => {
                        e.stopPropagation();
                        setIdImages((prev) => ({ ...prev, back: null }));
                        setIdImagePreviews((prev) => ({ ...prev, back: '' }));
                      }}
                      className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 rounded-full flex items-center justify-center hover:bg-red-600"
                    >
                      <X className="w-4 h-4 text-white" />
                    </button>
                  </div>
                ) : (
                  <>
                    <Camera className="w-12 h-12 text-gray-500 mx-auto mb-3" />
                    <p className="text-gray-400">اضغط لرفع الصورة</p>
                    <p className="text-xs text-gray-500 mt-2">JPEG, PNG, JPG • حتى 5MB</p>
                  </>
                )}
              </div>
              {errors.back && <p className="text-red-500 text-sm mt-1">{errors.back}</p>}
            </motion.div>
          </>
        );

      case 3:
        return (
          <>
            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                عنوان الوكالة <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <MapPin
                    className={`w-5 h-5 ${
                      errors.agencyAddress
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="text"
                  value={formData.agencyAddress}
                  onChange={(e) => {
                    setFormData({ ...formData, agencyAddress: e.target.value });
                    setErrors({ ...errors, agencyAddress: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.agencyAddress ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل عنوان الوكالة"
                />
              </div>
              {errors.agencyAddress && (
                <p className="text-red-500 text-sm mt-1">{errors.agencyAddress}</p>
              )}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                رقم الترخيص <span className="text-red-500">*</span>
              </label>
              <div className="relative group">
                <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                  <BadgeCheck
                    className={`w-5 h-5 ${
                      errors.licenseNumber
                        ? 'text-red-500'
                        : 'text-gray-400 group-focus-within:text-purple-500'
                    }`}
                  />
                </div>
                <input
                  type="text"
                  value={formData.licenseNumber}
                  onChange={(e) => {
                    setFormData({ ...formData, licenseNumber: e.target.value });
                    setErrors({ ...errors, licenseNumber: null });
                  }}
                  className={`w-full pr-12 pl-4 py-3 bg-white/5 border rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent text-white placeholder-gray-500 transition-all ${
                    errors.licenseNumber ? 'border-red-500' : 'border-gray-700'
                  }`}
                  placeholder="أدخل رقم الترخيص العقاري"
                />
              </div>
              {errors.licenseNumber && (
                <p className="text-red-500 text-sm mt-1">{errors.licenseNumber}</p>
              )}
            </motion.div>

            <motion.div variants={fadeInUp}>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                صورة الترخيص <span className="text-red-500">*</span>
              </label>
              <div
                onClick={() => fileInputLicenseStep3Ref.current?.click()}
                className={`relative border-2 border-dashed rounded-xl p-6 text-center cursor-pointer transition-all ${
                  idImagePreviews.license
                    ? 'border-green-500 bg-green-500/10'
                    : errors.license
                    ? 'border-red-500 bg-red-500/10'
                    : 'border-gray-700 hover:border-purple-500 hover:bg-white/5'
                }`}
              >
                <input
                  ref={fileInputLicenseStep3Ref}
                  type="file"
                  accept="image/*"
                  onChange={(e) => handleImageUpload('license', e.target.files?.[0])}
                  className="hidden"
                />

                {idImagePreviews.license ? (
                  <div className="relative">
                    <Image
                      src={idImagePreviews.license}
                      alt="License"
                      width={200}
                      height={120}
                      className="mx-auto rounded-lg object-cover"
                    />
                    <button
                      type="button"
                      onClick={(e) => {
                        e.stopPropagation();
                        setIdImages((prev) => ({ ...prev, license: null }));
                        setIdImagePreviews((prev) => ({ ...prev, license: '' }));
                      }}
                      className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 rounded-full flex items-center justify-center hover:bg-red-600"
                    >
                      <X className="w-4 h-4 text-white" />
                    </button>
                  </div>
                ) : (
                  <>
                    <Camera className="w-12 h-12 text-gray-500 mx-auto mb-3" />
                    <p className="text-gray-400">اضغط لرفع صورة الترخيص</p>
                    <p className="text-xs text-gray-500 mt-2">JPEG, PNG, JPG • حتى 5MB</p>
                  </>
                )}
              </div>
              {errors.license && <p className="text-red-500 text-sm mt-1">{errors.license}</p>}
            </motion.div>
          </>
        );

      case 4:
        return (
          <motion.div variants={fadeInUp} className="space-y-4">
            <div className="bg-white/5 rounded-xl p-4 border border-gray-700">
              <h3 className="text-lg font-semibold text-white mb-3 flex items-center gap-2">
                <User className="w-5 h-5 text-purple-400" />
                المعلومات الأساسية
              </h3>
              <div className="grid grid-cols-2 gap-3 text-sm">
                <div>
                  <span className="text-gray-400">الاسم الأول:</span>{' '}
                  <span className="text-white">{formData.firstName}</span>
                </div>
                <div>
                  <span className="text-gray-400">اسم العائلة:</span>{' '}
                  <span className="text-white">{formData.lastName}</span>
                </div>
                <div>
                  <span className="text-gray-400">البريد الإلكتروني:</span>{' '}
                  <span className="text-white">{formData.email}</span>
                </div>
                <div>
                  <span className="text-gray-400">رقم الهاتف:</span>{' '}
                  <span className="text-white">{formData.phone}</span>
                </div>
              </div>
            </div>

            <div className="bg-white/5 rounded-xl p-4 border border-gray-700">
              <h3 className="text-lg font-semibold text-white mb-3 flex items-center gap-2">
                <FileText className="w-5 h-5 text-purple-400" />
                معلومات الهوية
              </h3>
              <div className="grid grid-cols-2 gap-3 text-sm">
                <div>
                  <span className="text-gray-400">الرقم الوطني:</span>{' '}
                  <span className="text-white">{formData.nationalNumber}</span>
                </div>
                <div>
                  <span className="text-gray-400">رقم الواتساب:</span>{' '}
                  <span className="text-white">{formData.whatsapp}</span>
                </div>
              </div>

              <div className="flex gap-3 mt-3">
                {idImagePreviews.front && (
                  <div className="text-center">
                    <Image
                      src={idImagePreviews.front}
                      alt="Front ID"
                      width={100}
                      height={60}
                      className="rounded-lg object-cover mx-auto"
                    />
                    <p className="text-xs text-gray-400 mt-1">الوجه الأمامي</p>
                  </div>
                )}
                {idImagePreviews.back && (
                  <div className="text-center">
                    <Image
                      src={idImagePreviews.back}
                      alt="Back ID"
                      width={100}
                      height={60}
                      className="rounded-lg object-cover mx-auto"
                    />
                    <p className="text-xs text-gray-400 mt-1">الوجه الخلفي</p>
                  </div>
                )}
              </div>
            </div>

            <div className="bg-white/5 rounded-xl p-4 border border-gray-700">
              <h3 className="text-lg font-semibold text-white mb-3 flex items-center gap-2">
                <Briefcase className="w-5 h-5 text-purple-400" />
                معلومات الوكالة
              </h3>
              <div className="grid grid-cols-2 gap-3 text-sm">
                <div>
                  <span className="text-gray-400">عنوان الوكالة:</span>{' '}
                  <span className="text-white">{formData.agencyAddress}</span>
                </div>
                <div>
                  <span className="text-gray-400">رقم الترخيص:</span>{' '}
                  <span className="text-white">{formData.licenseNumber}</span>
                </div>
              </div>

              {idImagePreviews.license && (
                <div className="text-center mt-3">
                  <Image
                    src={idImagePreviews.license}
                    alt="License"
                    width={100}
                    height={60}
                    className="rounded-lg object-cover mx-auto"
                  />
                  <p className="text-xs text-gray-400 mt-1">صورة الترخيص</p>
                </div>
              )}
            </div>

            <motion.div variants={fadeInUp} className="flex items-center gap-2 pt-2">
              <input
                type="checkbox"
                id="terms"
                checked={formData.agreeTerms}
                onChange={(e) => setFormData({ ...formData, agreeTerms: e.target.checked })}
                className="w-4 h-4 rounded border-gray-600 bg-white/5 text-purple-500 focus:ring-purple-500"
                required
              />
              <label htmlFor="terms" className="text-sm text-gray-300">
                أوافق على{' '}
                <Link href="/terms" className="text-purple-400 hover:text-purple-300">
                  شروط الاستخدام
                </Link>{' '}
                و{' '}
                <Link href="/privacy" className="text-purple-400 hover:text-purple-300">
                  سياسة الخصوصية
                </Link>
              </label>
            </motion.div>
          </motion.div>
        );

      default:
        return null;
    }
  };

  return (
    <div className="min-h-screen bg-gradient-to-br from-gray-950 via-gray-900 to-gray-950 flex items-center justify-center p-4 relative overflow-hidden">
      <Toaster position="top-center" reverseOrder={false} />
      <div className="absolute inset-0 overflow-hidden">{backgroundElements}</div>

      <motion.div
        initial={{ opacity: 0, scale: 0.95 }}
        animate={{ opacity: 1, scale: 1 }}
        transition={{ duration: 0.5 }}
        className="relative z-10 w-full max-w-2xl"
      >
        <div className="mb-8">
          <div className="flex items-center justify-between mb-4">
            <Link
              href="/auth/choose-role"
              className="flex items-center gap-2 text-gray-400 hover:text-white transition-colors group"
            >
              <motion.div whileHover={{ x: -5 }}>
                <ArrowLeft className="w-4 h-4" />
              </motion.div>
              <span>العودة</span>
            </Link>
            <span className="text-sm text-gray-400">خطوة {step} من 4</span>
          </div>
          <div className="flex gap-2">
            {[1, 2, 3, 4].map((s) => (
              <motion.div
                key={s}
                className={`h-2 flex-1 rounded-full ${step >= s ? 'bg-purple-500' : 'bg-gray-700'}`}
                animate={{ scaleX: step >= s ? 1 : 0.5 }}
              />
            ))}
          </div>
        </div>

        <motion.div
          key={step}
          initial={{ opacity: 0, x: 20 }}
          animate={{ opacity: 1, x: 0 }}
          exit={{ opacity: 0, x: -20 }}
          transition={{ duration: 0.3 }}
          className="bg-white/5 backdrop-blur-xl rounded-3xl shadow-2xl border border-white/10 overflow-hidden"
        >
          <div className="bg-gradient-to-r from-purple-500 to-purple-600 p-8 text-center relative overflow-hidden">
            <motion.div
              initial={{ scale: 0 }}
              animate={{ scale: 1 }}
              transition={{ delay: 0.2, type: 'spring' }}
              className="absolute -top-10 -right-10 w-40 h-40 bg-white/10 rounded-full"
            />
            <motion.div initial={{ y: 20, opacity: 0 }} animate={{ y: 0, opacity: 1 }}>
              <motion.div
                animate={{ rotate: [0, 10, -10, 0] }}
                transition={{ duration: 2, repeat: Infinity }}
                className="w-20 h-20 mx-auto mb-4 bg-white/20 rounded-2xl flex items-center justify-center backdrop-blur-sm"
              >
                <Briefcase className="w-10 h-10 text-white" />
              </motion.div>
              <h1 className="text-3xl font-bold text-white mb-2">{stepTitles[step - 1]}</h1>
              <p className="text-purple-100">{stepDescriptions[step - 1]}</p>
            </motion.div>
          </div>

          <div className="p-8">
            <motion.form
              variants={staggerContainer}
              initial="initial"
              animate="animate"
              onSubmit={step < 4 ? (e) => {
                e.preventDefault();
                handleNextStep();
              } : handleSubmit}
              className="space-y-6"
            >
              {renderStepFields()}

              <motion.div variants={fadeInUp} className="flex gap-3 pt-4">
                {step > 1 && (
                  <button
                    type="button"
                    onClick={() => {
                      setStep(step - 1);
                      window.scrollTo({ top: 0, behavior: 'smooth' });
                    }}
                    className="flex-1 py-3 px-4 bg-white/5 border border-gray-700 rounded-xl text-gray-300 hover:bg-white/10 transition-colors"
                  >
                    السابق
                  </button>
                )}

                {step < 4 ? (
                  <button
                    type="submit"
                    className="flex-1 bg-gradient-to-r from-purple-500 to-purple-600 text-white py-3 px-4 rounded-xl font-medium hover:from-purple-600 hover:to-purple-700 transition-all"
                  >
                    التالي
                  </button>
                ) : (
                  <button
                    type="submit"
                    disabled={isLoading || !formData.agreeTerms}
                    className="flex-1 bg-gradient-to-r from-purple-500 to-purple-600 text-white py-3 px-4 rounded-xl font-medium hover:from-purple-600 hover:to-purple-700 transition-all disabled:opacity-50 disabled:cursor-not-allowed"
                  >
                    {isLoading ? (
                      <div className="flex items-center justify-center gap-2">
                        <Loader2 className="w-5 h-5 animate-spin" />
                        <span>جاري التسجيل...</span>
                      </div>
                    ) : (
                      'إنشاء حساب وكيل'
                    )}
                  </button>
                )}
              </motion.div>
            </motion.form>
          </div>
        </motion.div>
      </motion.div>

      <AnimatePresence>
        {showOtpModal && (
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center p-4 z-50"
          >
            <motion.div
              initial={{ scale: 0.9, y: 20 }}
              animate={{ scale: 1, y: 0 }}
              exit={{ scale: 0.9, y: 20 }}
              className="bg-gray-900 border border-white/10 rounded-2xl w-full max-w-md p-6 shadow-2xl"
            >
              <div className="text-center mb-6">
                <div className="w-16 h-16 bg-purple-500/20 rounded-full flex items-center justify-center mx-auto mb-3">
                  <Shield className="w-8 h-8 text-purple-500" />
                </div>
                <h2 className="text-xl font-bold text-white">التحقق من البريد</h2>
                <p className="text-gray-400 text-sm mt-1">تم إرسال رمز التحقق إلى</p>
                <p className="text-purple-400 font-medium text-sm">{formData.email}</p>
              </div>

              <div className="mb-6">
                <label className="block text-sm font-medium text-gray-300 mb-2">
                  رمز التحقق
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                    <KeyRound className="w-5 h-5 text-gray-400" />
                  </div>
                  <input
                    type="text"
                    value={otpCode}
                    maxLength={6}
                    onChange={(e) => setOtpCode(e.target.value)}
                    className="w-full pr-12 pl-4 py-3 bg-white/5 border border-gray-700 rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 text-white text-center tracking-[0.5em] text-xl"
                    placeholder="------"
                  />
                </div>
              </div>

              <div className="flex gap-3">
                <button
                  onClick={handleVerifyOTP}
                  disabled={isLoading || !otpCode}
                  className="flex-1 bg-gradient-to-r from-purple-500 to-purple-600 text-white py-3 rounded-xl font-medium hover:from-purple-600 hover:to-purple-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
                >
                  {isLoading ? (
                    <>
                      <Loader2 className="w-5 h-5 animate-spin" />
                      <span>جاري التحقق...</span>
                    </>
                  ) : (
                    'تحقق'
                  )}
                </button>
              </div>

              <button
                onClick={handleResendOTP}
                disabled={isLoading}
                className="w-full text-center text-purple-400 hover:text-purple-300 text-sm mt-3 disabled:opacity-50"
              >
                إعادة إرسال الرمز
              </button>
            </motion.div>
          </motion.div>
        )}
      </AnimatePresence>
    </div>
  );
}