import { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { Lock, Mail, ChevronLeft } from 'lucide-react';
import api from '../services/api';

export default function Login() {
  const [email, setEmail] = useState('');
  const [password, setPassword] = useState('');
  const [isLoading, setIsLoading] = useState(false);
  const navigate = useNavigate();

  const handleLogin = async (e: React.FormEvent) => {
    e.preventDefault();
    setIsLoading(true);

    try {
      const response = await api.post('/auth/admin-login', { email, password });
      if (response.data?.success) {
        localStorage.setItem('adminToken', response.data.data.accessToken);
        navigate('/');
      }
    } catch (error) {
      alert('ایمیل یا رمز عبور اشتباه است');
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <div className="min-h-screen bg-gray-50 flex flex-col justify-center py-12 sm:px-6 lg:px-8 font-vazir" dir="rtl">
      <div className="sm:mx-auto sm:w-full sm:max-w-md">
        <div className="w-20 h-20 bg-purple-600 rounded-2xl mx-auto flex items-center justify-center shadow-lg shadow-purple-200">
          <Lock className="w-10 h-10 text-white" />
        </div>
        <h2 className="mt-6 text-center text-3xl font-black text-gray-900">
          ورود به پنل مدیریت
        </h2>
        <p className="mt-2 text-center text-sm text-gray-600 font-bold">
          کانینا | لابراتوار تخصصی مکمل‌های درمانی حیوانات
        </p>
      </div>

      <div className="mt-8 sm:mx-auto sm:w-full sm:max-w-md">
        <div className="bg-white py-8 px-4 shadow-xl shadow-gray-100 sm:rounded-3xl sm:px-10 border border-gray-100">
          <form className="space-y-6" onSubmit={handleLogin}>
            <div>
              <label className="block text-sm font-black text-gray-700">آدرس ایمیل</label>
              <div className="mt-2 relative">
                <div className="absolute inset-y-0 right-0 pl-3 flex items-center pr-3 pointer-events-none">
                  <Mail className="h-5 w-5 text-gray-400" />
                </div>
                <input
                  type="email"
                  required
                  value={email}
                  onChange={(e) => setEmail(e.target.value)}
                  className="block w-full pl-3 pr-10 py-3 border border-gray-200 rounded-xl focus:ring-purple-500 focus:border-purple-500 sm:text-sm bg-gray-50 font-bold transition-all"
                  placeholder="admin@canino-iran.com"
                  dir="ltr"
                />
              </div>
            </div>

            <div>
              <label className="block text-sm font-black text-gray-700">رمز عبور</label>
              <div className="mt-2 relative">
                <div className="absolute inset-y-0 right-0 pl-3 flex items-center pr-3 pointer-events-none">
                  <Lock className="h-5 w-5 text-gray-400" />
                </div>
                <input
                  type="password"
                  required
                  value={password}
                  onChange={(e) => setPassword(e.target.value)}
                  className="block w-full pl-3 pr-10 py-3 border border-gray-200 rounded-xl focus:ring-purple-500 focus:border-purple-500 sm:text-sm bg-gray-50 font-bold transition-all text-left"
                  placeholder="••••••••"
                  dir="ltr"
                />
              </div>
            </div>

            <div>
              <button
                type="submit"
                disabled={isLoading}
                className="w-full flex justify-center items-center gap-2 py-3 px-4 border border-transparent rounded-xl shadow-sm text-sm font-black text-white bg-purple-600 hover:bg-purple-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500 transition-all disabled:opacity-50 disabled:cursor-wait"
              >
                {isLoading ? 'در حال ورود...' : 'ورود به سیستم'}
                {!isLoading && <ChevronLeft className="w-5 h-5" />}
              </button>
            </div>
          </form>
        </div>
      </div>
    </div>
  );
}