"use client";

import { useState, FormEvent } from "react";
import { useRouter } from "next/navigation";
import { Shield } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { authApi } from "@/lib/api";
import { setToken } from "@/lib/auth";

export default function LoginPage() {
  const router = useRouter();
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [error, setError] = useState<string | null>(null);
  const [loading, setLoading] = useState(false);

  async function handleSubmit(e: FormEvent) {
    e.preventDefault();
    setError(null);
    setLoading(true);
    try {
      const { access_token } = await authApi.login(email, password);
      setToken(access_token);
      router.push("/dashboard");
    } catch (err) {
      setError(err instanceof Error ? err.message : "Erreur de connexion");
    } finally {
      setLoading(false);
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-muted/40">
      <Card className="w-full max-w-md">
        <CardHeader className="text-center">
          <div className="flex justify-center mb-2">
            <Shield className="h-10 w-10 text-primary" />
          </div>
          <CardTitle className="text-2xl">AuditShield</CardTitle>
          <CardDescription>Connectez-vous à votre espace sécurisé</CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="space-y-4">
            <div className="space-y-2">
              <Label htmlFor="email">Email</Label>
              <Input
                id="email"
                type="email"
                placeholder="vous@exemple.fr"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                required
                autoComplete="email"
              />
            </div>
            <div className="space-y-2">
              <Label htmlFor="password">Mot de passe</Label>
              <Input
                id="password"
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                required
                autoComplete="current-password"
              />
            </div>
            {error && (
              <p className="text-sm text-destructive text-center">{error}</p>
            )}
            <Button type="submit" className="w-full" disabled={loading}>
              {loading ? "Connexion..." : "Se connecter"}
            </Button>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}