"use client";

import { useState } from "react";
import { signIn } from "next-auth/react";
import { useRouter } from "next/navigation";
import { LayoutDashboard } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import {
  Card,
  CardHeader,
  CardTitle,
  CardDescription,
  CardContent,
} from "@/components/ui/card";

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

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault();
    setError("");
    setLoading(true);

    const result = await signIn("credentials", {
      email,
      password,
      redirect: false,
    });

    if (result?.error) {
      setError("Invalid email or password");
      setLoading(false);
      return;
    }

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

  return (
    <div className="flex min-h-screen items-center justify-center bg-background p-4">
      <Card className="w-full max-w-sm">
        <CardHeader className="text-center">
          <div className="mx-auto mb-2 flex size-10 items-center justify-center rounded-lg bg-primary">
            <LayoutDashboard className="size-5 text-primary-foreground" />
          </div>
          <CardTitle className="text-lg">Project Dashboard</CardTitle>
          <CardDescription>Sign in with your email and password</CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="flex flex-col gap-3">
            <div className="flex flex-col gap-1.5">
              <label htmlFor="email" className="text-sm font-medium">
                Email
              </label>
              <Input
                id="email"
                type="email"
                placeholder="you@aurorawdc.com"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                required
                autoFocus
              />
            </div>
            <div className="flex flex-col gap-1.5">
              <label htmlFor="password" className="text-sm font-medium">
                Password
              </label>
              <Input
                id="password"
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                required
              />
            </div>
            {error && (
              <p className="text-sm text-destructive">{error}</p>
            )}
            <Button type="submit" disabled={loading} className="mt-1">
              {loading ? "Signing in..." : "Sign In"}
            </Button>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}