Frontend changes

I still need to change the path of the excel in convert_to_JSON.js to be the updated data xlsx lmao

frontend/app/page.tsx

@@ -1,65 +1,60 @@
-import Image from "next/image";
+"use client";                                       // needed for client-specific features like interactivity, state, event handlers 
+
+import {useState} from "react";
+import {useRouter} from "next/navigation";
+// import movies from "../../movies.json";          // import JSON dataset containing all movies 
+
+type movie = {                                      // define TypeScript type for a movie
+  title: string;
+  slug?: string;
+  poster?: string | null;
+};
 
 export default function Home() {
+  const [search, setSearch] = useState("");         
+  const [error, setError] = useState("");         
+  const router = useRouter();                       // router object for navigating to other pages        
+
+  const userSearch = async (e: any) => {            // must be async for await to work (await = pauses until JSON parsing is complete!)
+    e.preventDefault();                             // prevent default form submission (page reloading)
+
+    if (!search.trim()) return;
+
+      try {
+        const res = await fetch(`/api/search?q=${encodeURIComponent(search)}`);
+        const movies: movie[] = await res.json();   // convert HTTP response from JSON into JS array of movie objects
+
+        if (movies.length > 0 && movies[0].slug)    // if at least one movie is returned from API and first movie has a slug defined
+          router.push(`/movie/${movies[0].slug}`);  // then navigate user to movie detail page using slug of first movie in results
+        else
+          setError("Movie not found");              // if no movies were returned or first movie has no slug, show error message
+      }
+      catch (err) 
+      {
+        setError("Error fetching movies");
+        console.error(err);
+      }
+  };
+
   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>
+    <div className="flex flex-col flex-1 items-center justify-center bg-background font-sans">
+      <main className="flex flex-1 w-full max-w-3xl flex-col items-center justify-between py-32 sm:items-start">
+        <form onSubmit={userSearch} className="flex gap-2">
+          <input
+            type="text"
+            placeholder="Search for a movie..."
+            value={search}
+            onChange={(e) => {
+              setSearch(e.target.value);            // update search text as user types
+              setError("");                         // clear error when user starts typing 
+            }}
+            className="px-4 py-2 border rounded bg-box w-180">
+          </input>
+          <button type = "submit" className="px-4 py-2 bg-button text-text-light border rounded hover:cursor-pointer hover:bg-[var(--button-dark)]"> 
+            Search
+          </button>
+        </form>
       </main>
     </div>
   );
-}
+}