import { trpc } from "@/utils/trpc";
import { createFileRoute, Link } from "@tanstack/react-router";
import { ArrowRight } from "lucide-react";
import { Button } from "@/components/ui/button";

export const Route = createFileRoute("/")({
  component: HomeComponent,
});

const TITLE_TEXT = `
 ██████╗ ███████╗████████╗████████╗███████╗██████╗
 ██╔══██╗██╔════╝╚══██╔══╝╚══██╔══╝██╔════╝██╔══██╗
 ██████╔╝█████╗     ██║      ██║   █████╗  ██████╔╝
 ██╔══██╗██╔══╝     ██║      ██║   ██╔══╝  ██╔══██╗
 ██████╔╝███████╗   ██║      ██║   ███████╗██║  ██║
 ╚═════╝ ╚══════╝   ╚═╝      ╚═╝   ╚══════╝╚═╝  ╚═╝

 ████████╗    ███████╗████████╗ █████╗  ██████╗██╗  ██╗
 ╚══██╔══╝    ██╔════╝╚══██╔══╝██╔══██╗██╔════╝██║ ██╔╝
    ██║       ███████╗   ██║   ███████║██║     █████╔╝
    ██║       ╚════██║   ██║   ██╔══██║██║     ██╔═██╗
    ██║       ███████║   ██║   ██║  ██║╚██████╗██║  ██╗
    ╚═╝       ╚══════╝   ╚═╝   ╚═╝  ╚═╝ ╚═════╝╚═╝  ╚═╝
 `;

function HomeComponent() {
  const healthCheck = trpc.healthCheck.useQuery();

  return (
    <div className="container mx-auto max-w-3xl px-4 py-2">
      <pre className="overflow-x-auto font-mono text-sm">{TITLE_TEXT}</pre>
      <div className="grid gap-6">
        <section className="rounded-lg border p-4">
          <h2 className="mb-2 font-medium">API Status</h2>
          <div className="flex items-center gap-2">
            <div
              className={`h-2 w-2 rounded-full ${healthCheck.data ? "bg-green-500" : "bg-red-500"}`}
            ></div>
            <span className="text-sm text-muted-foreground">
              {healthCheck.isLoading
                ? "Checking..."
                : healthCheck.data
                  ? "Connected"
                  : "Disconnected"}
            </span>
          </div>
        </section>

        <section>
          <h2 className="mb-3 font-medium">Core Features</h2>
          <ul className="grid grid-cols-2 gap-3">
            <FeatureItem
              title="Type-Safe API"
              description="End-to-end type safety with tRPC"
            />
            <FeatureItem
              title="Modern React"
              description="TanStack Router + TanStack Query"
            />
            <FeatureItem
              title="Fast Backend"
              description="Lightweight Hono server"
            />
            <FeatureItem
              title="Beautiful UI"
              description="TailwindCSS + shadcn/ui components"
            />
          </ul>
        </section>

        <div className="mt-4 flex flex-col gap-4 sm:flex-row sm:items-center">
          <Button asChild>
            <Link to="/todos" className="flex items-center">
              View Todo Demo
              <ArrowRight className="ml-1 h-4 w-4" />
            </Link>
          </Button>
        </div>
      </div>
    </div>
  );
}

function FeatureItem({
  title,
  description,
}: {
  title: string;
  description: string;
}) {
  return (
    <li className="border-l-2 border-primary py-1 pl-3">
      <h3 className="font-medium">{title}</h3>
      <p className="text-sm text-muted-foreground">{description}</p>
    </li>
  );
}
