import type { Metadata } from "next"
import Link from "next/link"
import { Logo } from "@/components/shared/logo"
import { TurnstileWidget } from "@/components/shared/turnstile-widget"
import { signIn, signInWithGoogle } from "@/app/actions/auth"

export const metadata: Metadata = {
  title: "Sign in",
  robots: { index: false, follow: true },
}

export default async function LoginPage({
  searchParams,
}: {
  searchParams: Promise<{ error?: string; success?: string; next?: string }>
}) {
  const params = await searchParams
  const error = params.error
  const success = params.success
  const next = typeof params.next === "string" && params.next.startsWith("/") ? params.next : ""

  return (
    <div className="w-full">
      <div className="mb-8 flex flex-col items-center">
        <Logo size="lg" />
        <h1 className="mt-6 text-2xl font-bold text-white">Welcome back</h1>
        <p className="mt-2 text-sm text-white/60">Sign in to your account</p>
      </div>

      <div className="rounded-xl border border-white/10 bg-[#111118] p-8">
        {/* Google OAuth */}
        <form action={signInWithGoogle}>
          <button
            type="submit"
            className="flex w-full items-center justify-center gap-3 rounded-lg border border-white/10 bg-white/5 px-4 py-2.5 text-sm font-medium text-white transition hover:bg-white/10"
          >
            <GoogleIcon />
            Continue with Google
          </button>
        </form>

        <div className="relative my-6">
          <div className="absolute inset-0 flex items-center">
            <div className="w-full border-t border-white/10" />
          </div>
          <div className="relative flex justify-center text-xs">
            <span className="bg-[#111118] px-3 text-white/40">or continue with email</span>
          </div>
        </div>

        {/* Error / Success messages */}
        {error && (
          <div className="mb-4 rounded-lg border border-red-500/20 bg-red-500/10 px-4 py-3 text-sm text-red-400">
            {decodeURIComponent(error)}
          </div>
        )}
        {success === "password-updated" && (
          <div className="mb-4 rounded-lg border border-emerald-500/20 bg-emerald-500/10 px-4 py-3 text-sm text-emerald-400">
            Password updated. Sign in below.
          </div>
        )}

        {/* Email + Password form */}
        <form action={signIn} className="space-y-4">
          {next && <input type="hidden" name="next" value={next} />}
          <div>
            <label htmlFor="email" className="mb-1.5 block text-sm font-medium text-white/70">
              Email
            </label>
            <input
              id="email"
              name="email"
              type="email"
              required
              autoComplete="email"
              placeholder="you@example.com"
              className="w-full rounded-lg border border-white/10 bg-white/5 px-4 py-2.5 text-sm text-white placeholder-white/30 outline-none ring-indigo-500 transition focus:border-indigo-500/50 focus:ring-1"
            />
          </div>

          <div>
            <div className="mb-1.5 flex items-center justify-between">
              <label htmlFor="password" className="text-sm font-medium text-white/70">
                Password
              </label>
              <Link href="/forgot-password" className="text-xs text-indigo-400 hover:text-indigo-300">
                Forgot password?
              </Link>
            </div>
            <input
              id="password"
              name="password"
              type="password"
              required
              autoComplete="current-password"
              placeholder="••••••••"
              className="w-full rounded-lg border border-white/10 bg-white/5 px-4 py-2.5 text-sm text-white placeholder-white/30 outline-none ring-indigo-500 transition focus:border-indigo-500/50 focus:ring-1"
            />
          </div>

          <TurnstileWidget />

          <button
            type="submit"
            className="mt-2 w-full rounded-lg bg-indigo-600 px-4 py-2.5 text-sm font-semibold text-white transition hover:bg-indigo-500 active:scale-[0.98]"
          >
            Sign in
          </button>
        </form>

        <p className="mt-6 text-center text-sm text-white/40">
          Don&apos;t have an account?{" "}
          <Link href="/signup" className="text-indigo-400 hover:text-indigo-300">
            Sign up free
          </Link>
        </p>
      </div>
    </div>
  )
}

function GoogleIcon() {
  return (
    <svg className="h-4 w-4" viewBox="0 0 24 24">
      <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"
        fill="#4285F4"
      />
      <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"
        fill="#34A853"
      />
      <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"
        fill="#FBBC05"
      />
      <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"
        fill="#EA4335"
      />
    </svg>
  )
}