"use client";

import { useRouter } from "next/navigation";
import { signIn } from "next-auth/react";
import { useId, useState } from "react";
import { Alert, AlertDescription } from "@/components/ui/alert";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { ThemeToggle } from "@/components/ui/theme-toggle";

export default function PlatformLoginPage() {
  const emailId = useId();
  const passwordId = useId();
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState("");
  const router = useRouter();

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setIsLoading(true);
    setError("");

    try {
      const result = await signIn("credentials", {
        email,
        password,
        redirect: false,
        callbackUrl: "/platform/dashboard",
      });

      if (result?.error) {
        setError("Invalid credentials");
      } else if (result?.ok) {
        // Login successful, redirect to dashboard
        router.push("/platform/dashboard");
      }
    } catch (_error) {
      setError("An error occurred during login");
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50 dark:bg-gray-900 relative">
      <div className="absolute top-4 right-4">
        <ThemeToggle />
      </div>
      <Card className="w-full max-w-md">
        <CardHeader className="text-center">
          <CardTitle className="text-2xl font-bold">Platform Login</CardTitle>
          <p className="text-muted-foreground">
            Sign in to the Notso AI platform management dashboard
          </p>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="space-y-4">
            {error && (
              <Alert variant="destructive">
                <AlertDescription>{error}</AlertDescription>
              </Alert>
            )}

            <div className="space-y-2">
              <Label htmlFor={emailId}>Email</Label>
              <Input
                id={emailId}
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                required
                disabled={isLoading}
                autoComplete="email"
              />
            </div>

            <div className="space-y-2">
              <Label htmlFor={passwordId}>Password</Label>
              <Input
                id={passwordId}
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                required
                disabled={isLoading}
                autoComplete="current-password"
              />
            </div>

            <Button type="submit" className="w-full" disabled={isLoading}>
              {isLoading ? "Signing in..." : "Sign In"}
            </Button>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}