react-frontend basic implementation

app/page.tsx

@@ -1,65 +1,62 @@
-import Image from "next/image";
+// Next.js Server Component (no 'use client' needed here)
+// This page runs on the server, reads from SQLite directly, and renders HTML
+
+import { getTasks } from '@/src/lib/tasks';
+import TaskForm from '@/src/lib/components/TaskForm';
+import TaskCard from '@/src/lib/components/TaskCard';
+import TaskFilterToolbar from '@/src/lib/components/TaskFilterToolbar';
+
+// Next.js 15 page props for async searchParams
+interface PageProps {
+  searchParams: Promise<{ sortBy?: 'due_date' | 'topic' | 'status' }>;
+}
+
+export default async function HomePage({ searchParams }: PageProps) {
+  // Await search parameters from the URL (e.g., ?sortBy=topic)
+  const params = await searchParams;
+  const sortBy = params.sortBy || 'due_date';
+
+  // Direct SQLite query on the server to get active tasks sorted
+  const tasks = getTasks(sortBy);
 
-export default function Home() {
   return (
-    <div className="flex flex-col flex-1 items-center justify-center bg-zinc-50 font-sans dark:bg-black">
-      <main className="flex flex-1 w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={100}
-          height={20}
-          priority
-        />
-        <div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
-          <h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
-            To get started, edit the page.tsx file.
-          </h1>
-          <p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
-            Looking for a starting point or more instructions? Head over to{" "}
-            <a
-              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Templates
-            </a>{" "}
-            or the{" "}
-            <a
-              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Learning
-            </a>{" "}
-            center.
-          </p>
-        </div>
-        <div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
-          <a
-            className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={16}
-              height={16}
-            />
-            Deploy Now
-          </a>
-          <a
-            className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Documentation
-          </a>
-        </div>
-      </main>
-    </div>
+    <main className="max-w-4xl mx-auto py-10 px-4 space-y-8 min-h-screen bg-zinc-50 dark:bg-zinc-950 text-zinc-900 dark:text-zinc-100">
+      {/* Header */}
+      <header className="space-y-1">
+        <h1 className="text-3xl font-bold tracking-tight text-zinc-900 dark:text-zinc-100">
+          📝 Todo App
+        </h1>
+        <p className="text-sm text-zinc-500 dark:text-zinc-400">
+          Local-first SQLite task manager with dynamic overdue detection.
+        </p>
+      </header>
+
+      {/* Task Creation Form */}
+      <TaskForm />
+
+      {/* Task Sorting Toolbar */}
+      <TaskFilterToolbar />
+
+      {/* List of Tasks */}
+      <section className="space-y-4">
+        <h2 className="text-lg font-semibold text-zinc-800 dark:text-zinc-200">
+          Tasks ({tasks.length})
+        </h2>
+
+        {/* Empty state if no tasks exist */}
+        {tasks.length === 0 ? (
+          <div className="text-center py-12 border border-dashed rounded-xl border-zinc-300 dark:border-zinc-800">
+            <p className="text-zinc-500 dark:text-zinc-400">No active tasks found. Create one above!</p>
+          </div>
+        ) : (
+          /* Render grid of task cards */
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+            {tasks.map(task => (
+              <TaskCard key={task.id} task={task} />
+            ))}
+          </div>
+        )}
+      </section>
+    </main>
   );
 }