import React, { useState } from 'react';
import { useNavigate, Link } from 'react-router-dom';
import { CreditCard } from 'lucide-react';
import { forgotPassword } from '../services/api';
import { getErrorMessage, getSuccessMessage } from '../utils/errorHandler';

const ForgotPassword = () => {
  const [email, setEmail] = useState('');
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState('');
  const [success, setSuccess] = useState('');
  const navigate = useNavigate();

  const handleSubmit = async (e) => {
    e.preventDefault();
    setLoading(true);
    setError('');
    setSuccess('');

    try {
      const res = await forgotPassword(email);
      setSuccess(getSuccessMessage(res) || 'If the email exists, a reset link was sent.');
    } catch (err) {
      setError(getErrorMessage(err));
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen bg-gray-50 dark:bg-gray-900 flex flex-col justify-center py-12 sm:px-6 lg:px-8">
      <div className="sm:mx-auto sm:w-full sm:max-w-md">
        <div className="flex justify-center">
          <div className="bg-primary-600 p-3 rounded-full">
            <CreditCard className="h-8 w-8 text-white" />
          </div>
        </div>
        <h2 className="mt-6 text-center text-3xl font-bold text-gray-900 dark:text-white">
          Forgot Password
        </h2>
        <p className="mt-2 text-center text-sm text-gray-600 dark:text-gray-400">
          Enter your email to receive a new password
        </p>
      </div>

      <div className="mt-8 sm:mx-auto sm:w-full sm:max-w-md">
        <div className="bg-white dark:bg-gray-800 py-8 px-4 shadow sm:rounded-lg sm:px-10 border border-gray-200 dark:border-gray-700">
          <form className="space-y-6" onSubmit={handleSubmit}>
            {error && (
              <div className="bg-red-50 dark:bg-red-900 border border-red-200 dark:border-red-700 text-red-700 dark:text-red-300 px-4 py-3 rounded-md text-sm">
                {error}
              </div>
            )}
            {success && (
              <div className="bg-green-50 dark:bg-green-900 border border-green-200 dark:border-green-700 text-green-700 dark:text-green-300 px-4 py-3 rounded-md text-sm">
                {success}
              </div>
            )}

            <div>
              <label htmlFor="email" className="block text-sm font-medium text-gray-700 dark:text-gray-300">
                Email address
              </label>
              <div className="mt-1">
                <input
                  id="email"
                  name="email"
                  type="email"
                  autoComplete="email"
                  required
                  value={email}
                  onChange={(e) => setEmail(e.target.value)}
                  className="input-field"
                  placeholder="you@example.com"
                />
              </div>
            </div>

            <div>
              <button
                type="submit"
                disabled={loading}
                className="w-full btn-primary disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center"
              >
                {loading ? 'Sending...' : 'Send new password'}
              </button>
            </div>
          </form>

          <div className="mt-6 text-center text-sm text-gray-600 dark:text-gray-400">
            <Link to="/login" className="text-primary-600 hover:text-primary-700">Back to Login</Link>
          </div>
        </div>
      </div>
    </div>
  );
};

export default ForgotPassword;