import { useState } from 'react';
import { Link, useNavigate } from 'react-router-dom';
import { useAuth } from '../context/AuthContext';
import { Mail, Lock, Eye, EyeOff, Loader2 } from 'lucide-react';
import toast from 'react-hot-toast';

export default function Login() {
  const { login } = useAuth();
  const navigate = useNavigate();
  const [formData, setFormData] = useState({ email: '', password: '' });
  const [showPassword, setShowPassword] = useState(false);
  const [loading, setLoading] = useState(false);

  const handleSubmit = async (e) => {
    e.preventDefault();
    setLoading(true);
    try {
      await login(formData.email, formData.password);
      toast.success('Welcome back!');
      navigate('/dashboard');
    } catch (err) {
      toast.error(err.response?.data?.error || 'Login failed');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen bg-gray-50 flex items-center justify-center py-12 px-4">
      <div className="w-full max-w-md">
        <div className="text-center mb-8">
          <Link to="/" className="inline-flex items-center gap-2 text-2xl font-bold text-primary-600 mb-6">
            <svg className="w-10 h-10" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4"/></svg>
            <span>Handyman</span>
          </Link>
          <h1 className="text-3xl font-bold text-gray-900">Welcome back</h1>
          <p className="text-gray-600 mt-2">Sign in to your account to continue</p>
        </div>

        <div className="card p-6 sm:p-8">
          <form onSubmit={handleSubmit} className="space-y-5">
            <div>
              <label className="label">Email</label>
              <div className="relative">
                <Mail className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
                <input
                  type="email"
                  required
                  value={formData.email}
                  onChange={e => setFormData({...formData, email: e.target.value})}
                  className="input pl-10"
                  placeholder="you@example.com"
                  autoComplete="email"
                />
              </div>
            </div>

            <div>
              <label className="label">Password</label>
              <div className="relative">
                <Lock className="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-gray-400" />
                <input
                  type={showPassword ? 'text' : 'password'}
                  required
                  value={formData.password}
                  onChange={e => setFormData({...formData, password: e.target.value})}
                  className="input pl-10 pr-10"
                  placeholder="••••••••"
                  autoComplete="current-password"
                />
                <button type="button" onClick={() => setShowPassword(!showPassword)} className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-400 hover:text-gray-600">
                  {showPassword ? <EyeOff className="w-5 h-5" /> : <Eye className="w-5 h-5" />}
                </button>
              </div>
            </div>

            <div className="flex items-center justify-between">
              <label className="flex items-center gap-2 cursor-pointer">
                <input type="checkbox" className="w-4 h-4 rounded border-gray-300 text-primary-600 focus:ring-primary-500" />
                <span className="text-sm text-gray-600">Remember me</span>
              </label>
              <Link to="/forgot-password" className="text-sm text-primary-600 hover:underline">Forgot password?</Link>
            </div>

            <button type="submit" disabled={loading} className="btn-primary w-full py-3">
              {loading ? <Loader2 className="w-5 h-5 animate-spin" /> : 'Sign In'}
            </button>
          </form>

          <div className="mt-6">
            <div className="relative">
              <div className="absolute inset-0 flex items-center">
                <div className="w-full border-t border-gray-200" />
              </div>
              <div className="relative flex justify-center text-sm">
                <span className="px-2 bg-white text-gray-500">Or continue with</span>
              </div>
            </div>
            <div className="mt-4 grid grid-cols-2 gap-3">
              <button type="button" className="btn-secondary flex items-center justify-center gap-2">
                <svg className="w-5 h-5" viewBox="0 0 24 24"><path fill="currentColor" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"/><path fill="currentColor" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"/><path fill="currentColor" d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"/><path fill="currentColor" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"/></svg>
                Google
              </button>
              <button type="button" className="btn-secondary flex items-center justify-center gap-2">
                <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 24 24"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576C20.566 21.797 24 17.3 24 12c0-6.627-5.373-12-12-12z"/></svg>
                GitHub
              </button>
            </div>
          </div>

          <p className="mt-6 text-center text-sm text-gray-600">
            Don't have an account? <Link to="/register" className="text-primary-600 font-medium hover:underline">Sign up</Link>
          </p>
        </div>
      </div>
    </div>
  );
}