"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { createClient } from "@/lib/supabase/client";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Loader2 } from "lucide-react";

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

  async function onSubmit(e: React.FormEvent) {
    e.preventDefault();
    setLoading(true);
    setError(null);

    const supabase = createClient();
    const { error: signInError } = await supabase.auth.signInWithPassword({
      email,
      password,
    });

    if (signInError) {
      setError("Identifiants invalides. Vérifiez votre email et mot de passe.");
      setLoading(false);
      return;
    }

    router.refresh();
    router.push("/catalogue");
  }

  return (
    <form onSubmit={onSubmit} className="space-y-4">
      <div className="space-y-2">
        <Label htmlFor="email">Email professionnel</Label>
        <Input
          id="email"
          type="email"
          autoComplete="email"
          required
          value={email}
          onChange={(e) => setEmail(e.target.value)}
          placeholder="vous@societe.fr"
        />
      </div>
      <div className="space-y-2">
        <Label htmlFor="password">Mot de passe</Label>
        <Input
          id="password"
          type="password"
          autoComplete="current-password"
          required
          value={password}
          onChange={(e) => setPassword(e.target.value)}
          placeholder="••••••••"
        />
      </div>
      {error && (
        <p className="text-sm font-medium text-destructive">{error}</p>
      )}
      <Button type="submit" className="w-full" size="lg" disabled={loading}>
        {loading && <Loader2 className="h-4 w-4 animate-spin" />}
        Se connecter
      </Button>
    </form>
  );
}