Initial commit

next.config.js

@@ -0,0 +1 @@
+ 

src/app/page.tsx

@@ -1,101 +1,9 @@
-import Image from "next/image";
+import Chat from "@/components/Chat";
 
 export default function Home() {
   return (
-    <div className="grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20 font-[family-name:var(--font-geist-sans)]">
-      <main className="flex flex-col gap-8 row-start-2 items-center sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="list-inside list-decimal text-sm text-center sm:text-left font-[family-name:var(--font-geist-mono)]">
-          <li className="mb-2">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] px-1 py-0.5 rounded font-semibold">
-              src/app/page.tsx
-            </code>
-            .
-          </li>
-          <li>Save and see your changes instantly.</li>
-        </ol>
-
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
-          <a
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5"
-            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={20}
-              height={20}
-            />
-            Deploy now
-          </a>
-          <a
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:min-w-44"
-            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"
-          >
-            Read our docs
-          </a>
-        </div>
-      </main>
-      <footer className="row-start-3 flex gap-6 flex-wrap items-center justify-center">
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/file.svg"
-            alt="File icon"
-            width={16}
-            height={16}
-          />
-          Learn
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/window.svg"
-            alt="Window icon"
-            width={16}
-            height={16}
-          />
-          Examples
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
-    </div>
+    <main className="min-h-screen p-4 sm:p-8">
+      <Chat />
+    </main>
   );
 }

src/components/Chat.tsx

@@ -0,0 +1,93 @@
+"use client";
+import { useState } from "react";
+import ChatMessage from "./ChatMessage";
+import FileUpload from "./FileUpload";
+
+interface Message {
+  type: "user" | "assistant";
+  content: string;
+}
+
+export default function Chat() {
+  const [messages, setMessages] = useState<Message[]>([]);
+  const [input, setInput] = useState("");
+  const [isLoading, setIsLoading] = useState(false);
+  const [hasUploadedFile, setHasUploadedFile] = useState(false);
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!input.trim() || isLoading) return;
+
+    const userMessage = input.trim();
+    setInput("");
+    setMessages((prev) => [...prev, { type: "user", content: userMessage }]);
+    setIsLoading(true);
+
+    try {
+      const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/ask`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ text: userMessage }),
+      });
+
+      const data = await response.json();
+      setMessages((prev) => [
+        ...prev,
+        { type: "assistant", content: data.answer },
+      ]);
+    } catch (error) {
+      console.error("Error:", error);
+      setMessages((prev) => [
+        ...prev,
+        {
+          type: "assistant",
+          content: "Sorry, there was an error processing your request.",
+        },
+      ]);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-full max-w-4xl mx-auto h-[80vh] flex flex-col">
+      {!hasUploadedFile ? (
+        <FileUpload onUploadSuccess={() => setHasUploadedFile(true)} />
+      ) : (
+        <>
+          <div className="flex-1 overflow-y-auto p-4 space-y-4">
+            {messages.map((message, index) => (
+              <ChatMessage
+                key={index}
+                type={message.type}
+                content={message.content}
+              />
+            ))}
+            {isLoading && (
+              <div className="text-center text-gray-500">Loading...</div>
+            )}
+          </div>
+          <form onSubmit={handleSubmit} className="p-4 border-t">
+            <div className="flex gap-2">
+              <input
+                type="text"
+                value={input}
+                onChange={(e) => setInput(e.target.value)}
+                placeholder="Ask a question about your PDF..."
+                className="flex-1 p-2 border rounded-lg dark:bg-gray-800"
+                disabled={isLoading}
+              />
+              <button
+                type="submit"
+                disabled={isLoading}
+                className="px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 disabled:opacity-50"
+              >
+                Send
+              </button>
+            </div>
+          </form>
+        </>
+      )}
+    </div>
+  );
+}

src/components/ChatMessage.tsx

@@ -0,0 +1,26 @@
+type MessageType = "user" | "assistant";
+
+interface ChatMessageProps {
+  type: MessageType;
+  content: string;
+}
+
+export default function ChatMessage({ type, content }: ChatMessageProps) {
+  return (
+    <div
+      className={`flex ${
+        type === "user" ? "justify-end" : "justify-start"
+      } mb-4`}
+    >
+      <div
+        className={`max-w-[80%] rounded-lg px-4 py-2 ${
+          type === "user"
+            ? "bg-blue-500 text-white"
+            : "bg-gray-100 dark:bg-gray-800"
+        }`}
+      >
+        {content}
+      </div>
+    </div>
+  );
+}

src/components/FileUpload.tsx

@@ -0,0 +1,52 @@
+import { useState } from "react";
+
+export default function FileUpload({
+  onUploadSuccess,
+}: {
+  onUploadSuccess: () => void;
+}) {
+  const [uploading, setUploading] = useState(false);
+
+  const handleFileUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (!file) return;
+
+    setUploading(true);
+    const formData = new FormData();
+    formData.append("file", file);
+
+    try {
+      const response = await fetch(
+        `${process.env.NEXT_PUBLIC_API_URL}/upload`,
+        {
+          method: "POST",
+          body: formData,
+        }
+      );
+
+      if (!response.ok) throw new Error("Upload failed");
+      onUploadSuccess();
+    } catch (error) {
+      console.error("Upload error:", error);
+    } finally {
+      setUploading(false);
+    }
+  };
+
+  return (
+    <div className="w-full max-w-md">
+      <label className="flex flex-col items-center p-4 border-2 border-dashed rounded-lg cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-900">
+        <span className="text-sm mb-2">
+          {uploading ? "Uploading..." : "Upload PDF"}
+        </span>
+        <input
+          type="file"
+          className="hidden"
+          accept=".pdf"
+          onChange={handleFileUpload}
+          disabled={uploading}
+        />
+      </label>
+    </div>
+  );
+}