/**
 * Reset Password Page
 *
 * Reset password with token from email
 */

'use client';

import { useState, useEffect } from 'react';
import { useSearchParams, useRouter } from 'next/navigation';
import { authApi } from '@/lib/api';
import Link from 'next/link';

export default function ResetPasswordPage() {
  const searchParams = useSearchParams();
  const router = useRouter();
  const [token, setToken] = useState('');
  const [password, setPassword] = useState('');
  const [confirmPassword, setConfirmPassword] = useState('');
  const [success, setSuccess] = useState(false);
  const [error, setError] = useState('');
  const [loading, setLoading] = useState(false);

  useEffect(() => {
    const tokenFromUrl = searchParams.get('token');
    if (tokenFromUrl) {
      setToken(tokenFromUrl);
    } else {
      setError('Invalid reset link. Please request a new password reset.');
    }
  }, [searchParams]);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setError('');

    // Validate passwords match
    if (password !== confirmPassword) {
      setError('Passwords do not match');
      return;
    }

    // Validate password length
    if (password.length < 12) {
      setError('Password must be at least 12 characters long');
      return;
    }

    if (!token) {
      setError('Invalid reset token');
      return;
    }

    setLoading(true);

    try {
      await authApi.resetPassword(token, password);
      setSuccess(true);
      setTimeout(() => {
        router.push('/login');
      }, 3000);
    } catch (err: any) {
      setError(
        err.response?.data?.message || 'Failed to reset password. The link may have expired.'
      );
    } finally {
      setLoading(false);
    }
  };

  if (success) {
    return (
      <div className="min-h-screen flex items-center justify-center bg-gray-50 py-12 px-4 sm:px-6 lg:px-8">
        <div className="max-w-md w-full space-y-8">
          <div>
            <h1 className="text-center text-4xl font-bold text-blue-600">Xpeditis</h1>
            <h2 className="mt-6 text-center text-3xl font-extrabold text-gray-900">
              Password reset successful
            </h2>
          </div>

          <div className="rounded-md bg-green-50 p-4">
            <div className="text-sm text-green-800">
              Your password has been reset successfully. You will be redirected to the login page in
              a few seconds...
            </div>
          </div>

          <div className="text-center">
            <Link href="/login" className="font-medium text-blue-600 hover:text-blue-500">
              Go to login now
            </Link>
          </div>
        </div>
      </div>
    );
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50 py-12 px-4 sm:px-6 lg:px-8">
      <div className="max-w-md w-full space-y-8">
        <div>
          <h1 className="text-center text-4xl font-bold text-blue-600">Xpeditis</h1>
          <h2 className="mt-6 text-center text-3xl font-extrabold text-gray-900">
            Set new password
          </h2>
          <p className="mt-2 text-center text-sm text-gray-600">Please enter your new password.</p>
        </div>

        <form className="mt-8 space-y-6" onSubmit={handleSubmit}>
          {error && (
            <div className="rounded-md bg-red-50 p-4">
              <div className="text-sm text-red-800">{error}</div>
            </div>
          )}

          <div className="space-y-4">
            <div>
              <label htmlFor="password" className="block text-sm font-medium text-gray-700">
                New Password
              </label>
              <input
                id="password"
                name="password"
                type="password"
                autoComplete="new-password"
                required
                value={password}
                onChange={e => setPassword(e.target.value)}
                className="mt-1 appearance-none block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm placeholder-gray-400 focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm"
              />
              <p className="mt-1 text-xs text-gray-500">Must be at least 12 characters long</p>
            </div>

            <div>
              <label htmlFor="confirmPassword" className="block text-sm font-medium text-gray-700">
                Confirm New Password
              </label>
              <input
                id="confirmPassword"
                name="confirmPassword"
                type="password"
                autoComplete="new-password"
                required
                value={confirmPassword}
                onChange={e => setConfirmPassword(e.target.value)}
                className="mt-1 appearance-none block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm placeholder-gray-400 focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm"
              />
            </div>
          </div>

          <div>
            <button
              type="submit"
              disabled={loading || !token}
              className="group relative w-full flex justify-center py-2 px-4 border border-transparent text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 disabled:bg-gray-400 disabled:cursor-not-allowed"
            >
              {loading ? 'Resetting password...' : 'Reset password'}
            </button>
          </div>

          <div className="text-center text-sm">
            <Link href="/login" className="font-medium text-blue-600 hover:text-blue-500">
              Back to sign in
            </Link>
          </div>
        </form>
      </div>
    </div>
  );
}