import React, { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { useAdmin } from '../../contexts/AdminContext.js';
import { Button } from '../ui/button.js';
import { Input } from '../ui/input.js';

export default function AdminLogin() {
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState('');
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState('');
  const { login } = useAdmin();
  const navigate = useNavigate();

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

    const result = await login(username, password);

    if (result.success) {
      navigate('/admin/dashboard');
    } else {
      setError(result.error);
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50">
      <div className="max-w-md w-full space-y-8 p-8 bg-white rounded-lg shadow-md">
        <div>
          <h2 className="mt-6 text-center text-3xl font-bold text-gray-900">
            Organization Admin Portal
          </h2>
          <p className="mt-2 text-center text-sm text-gray-600">
            Sign in to manage your organization
          </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-700">{error}</div>
            </div>
          )}

          <div className="rounded-md shadow-sm space-y-4">
            <div>
              <label htmlFor="username" className="block text-sm font-medium text-gray-700 mb-1">
                Username
              </label>
              <Input
                id="username"
                name="username"
                type="text"
                autoComplete="username"
                required
                value={username}
                onChange={(e) => setUsername(e.target.value)}
                placeholder="Enter your username"
                disabled={loading}
              />
            </div>

            <div>
              <label htmlFor="password" className="block text-sm font-medium text-gray-700 mb-1">
                Password
              </label>
              <Input
                id="password"
                name="password"
                type="password"
                autoComplete="current-password"
                required
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                placeholder="Enter your password"
                disabled={loading}
              />
            </div>
          </div>

          <div>
            <Button
              type="submit"
              className="w-full"
              disabled={loading}
            >
              {loading ? 'Signing in...' : 'Sign in'}
            </Button>
          </div>
        </form>

        <div className="text-center text-xs text-gray-500">
          © {new Date().getFullYear()} AptivaAI™ LLC
        </div>
      </div>
    </div>
  );
}