import { Button } from "@/components/ui/button";
import { useAuth } from "@/context/AuthContext";
import { GLMLogo } from "@/components/GLMLogo";

export function LoginScreen() {
  const { loginWithGoogle, error, loading } = useAuth();

  return (
    <div className="min-h-screen bg-background flex items-center justify-center px-4">
      <div className="w-full max-w-sm">
        {/* Logo / marca */}
        <div className="flex flex-col items-center mb-8 gap-3">
          <GLMLogo size="lg" />
          <h1 className="text-2xl font-bold tracking-tight text-[#4F758B] text-center">CDC Project Management</h1>
        </div>

        {/* Card */}
        <div className="bg-card border border-border rounded-2xl p-8 shadow-sm">
          <Button
            onClick={loginWithGoogle}
            disabled={loading}
            className="w-full gap-2.5 h-10 rounded-full font-medium"
          >
            {/* Google G icon */}
            <svg aria-hidden="true" className="w-4 h-4" viewBox="0 0 24 24" fill="currentColor">
              <path 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 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 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 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>
            Entrar con Google
          </Button>

          {error && (
            <div className="mt-4 rounded-lg bg-destructive/10 border border-destructive/20 px-4 py-3">
              <p className="text-sm text-destructive text-center leading-snug">{error}</p>
            </div>
          )}
        </div>

        <p className="text-center text-xs text-muted-foreground mt-6">
          Acceso restringido a usuarios autorizados
        </p>
      </div>
    </div>
  );
}
