'use client';

import { useState } from 'react';
import { useRouter } from 'next/navigation';
import Header from '@/components/header';

export default function LockPage() {
  const router = useRouter();
  const [password, setPassword] = useState('');
  const [error, setError] = useState('');
  const [isSubmitting, setIsSubmitting] = useState(false);

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

    try {
      const response = await fetch('/api/lock', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({ password }),
      });

      const data = await response.json();

      if (response.ok) {
        // Password verified, redirect to home
        router.push('/');
        router.refresh();
      } else {
        setError(data.error || 'Senha incorreta');
        setPassword('');
      }
    } catch (err) {
      setError('Erro ao verificar senha. Tente novamente.');
      console.error('Lock verification error:', err);
    } finally {
      setIsSubmitting(false);
    }
  };

  return (
    <div className="min-h-screen bg-cosmic">
      <Header
        title="Senha necessária"
        subtitle="Digite a senha para acessar o site"
      />

      <div className="max-w-md mx-auto py-12 px-4 sm:px-6 lg:px-8">
        <div className="bg-card rounded-2xl shadow-soft border border-[color:var(--border)] overflow-hidden">
          <div className="p-6">
            <form onSubmit={handleSubmit} className="space-y-4">
              {error && (
                <div className="p-3 bg-rose-50 dark:bg-rose-900/20 text-rose-700 dark:text-rose-300 rounded-xl text-base">
                  {error}
                </div>
              )}

              <div>
                <label htmlFor="password" className="block text-base font-medium text-[color:var(--ink-soft)] mb-2">
                  Senha
                </label>
                <input
                  type="password"
                  id="password"
                  required
                  autoFocus
                  className="w-full px-4 py-3 border border-[color:var(--border)] rounded-xl focus:outline-none focus:ring-2 focus:ring-[color:var(--accent)] text-lg"
                  value={password}
                  onChange={(e) => setPassword(e.target.value)}
                  placeholder="Digite a senha"
                  disabled={isSubmitting}
                />
              </div>

              <button
                type="submit"
                disabled={isSubmitting}
                className="w-full px-6 py-3 text-lg font-semibold text-white bg-[color:var(--accent)] hover:brightness-110 rounded-xl transition-all disabled:opacity-50 disabled:cursor-not-allowed shadow-soft"
              >
                {isSubmitting ? 'Verificando...' : 'Entrar'}
              </button>
            </form>
          </div>
        </div>
      </div>
    </div>
  );
}
