import { useLogin } from '@/hooks/useLogin';
import { useTheme } from '@/hooks/useTheme';
import { Sun, Moon, Database } from 'lucide-react';

export default function MinimalDark() {
  const { username, password, loading, error, setUsername, setPassword, handleLogin } = useLogin();
  const { toggleTheme, isDark } = useTheme();

  return (
    <div style={{ minHeight: '100vh', display: 'flex', flexDirection: 'column', alignItems: 'center', justifyContent: 'center', padding: 24, background: 'var(--dg-bg-primary)', color: 'var(--dg-text-primary)' }}>
      <button
        onClick={toggleTheme}
        style={{ position: 'fixed', top: 20, right: 20, zIndex: 50, background: 'var(--dg-bg-tertiary)', border: 'none', borderRadius: 8, padding: 8, cursor: 'pointer', color: 'var(--dg-text-secondary)' }}
      >
        {isDark ? <Sun size={18} /> : <Moon size={18} />}
      </button>

      <div style={{ width: '100%', maxWidth: 320, textAlign: 'center' }}>
        <Database size={36} className="dg-gradient-text" style={{ marginBottom: 16, display: 'inline-block' }} />
        <h1 style={{ fontSize: 22, fontWeight: 700, marginBottom: 4 }}>
          <span className="dg-gradient-text">SQL Audit Platform</span>
        </h1>
        <p style={{ color: 'var(--dg-text-muted)', fontSize: 13, marginBottom: 36 }}>Secure database auditing & compliance</p>

        <form onSubmit={handleLogin} style={{ display: 'flex', flexDirection: 'column', gap: 14 }}>
          {error && <div style={{ color: '#f87171', fontSize: 13 }}>{error}</div>}

          <input
            type="text"
            placeholder="Username"
            value={username}
            onChange={(e) => setUsername(e.target.value)}
            style={{ padding: '10px 14px', borderRadius: 8, background: 'var(--dg-bg-secondary)', border: 'none', color: 'var(--dg-text-primary)', fontSize: 14, outline: 'none' }}
          />
          <input
            type="password"
            placeholder="Password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            style={{ padding: '10px 14px', borderRadius: 8, background: 'var(--dg-bg-secondary)', border: 'none', color: 'var(--dg-text-primary)', fontSize: 14, outline: 'none' }}
          />

          <button
            type="submit"
            disabled={loading || !username || !password}
            className="dg-gradient-bg"
            style={{ padding: '10px 14px', borderRadius: 8, border: 'none', color: '#fff', fontWeight: 600, fontSize: 14, cursor: loading || !username || !password ? 'not-allowed' : 'pointer', opacity: loading || !username || !password ? 0.6 : 1, marginTop: 8 }}
          >
            {loading ? 'Signing in…' : 'Sign in'}
          </button>
        </form>
      </div>
    </div>
  );
}