Add files via upload

Author: VolkanSah

config.php

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+<?php
+// config file
+define('OPENAI_API_KEY', 'sk-.................................');
+define('MODEL', 'text-davinci-003');
+define('TEMPERATURE', 0.9);
+define('MAX_TOKENS', 1000);
+define('TOP_P', 1);
+define('FREQUENCY_PENALTY', 0.0);
+define('PRESENCE_PENALTY', 0.0);

gptchat.php

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+<?php
+header('Content-Type: application/json');
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: POST');
+header('Access-Control-Allow-Headers: Content-Type, Authorization');
+
+require_once 'config.php';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $input = json_decode(file_get_contents('php://input'), true);
+    $message = urlencode($input['message']);
+
+    $ch = curl_init();
+
+    curl_setopt($ch, CURLOPT_URL, "https://api.openai.com/v1/engines/" . MODEL . "/completions");
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    curl_setopt($ch, CURLOPT_POST, 1);
+    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array(
+        "prompt" => $message,
+        "max_tokens" => MAX_TOKENS,
+        "temperature" => TEMPERATURE,
+        "top_p" => TOP_P,
+        "frequency_penalty" => FREQUENCY_PENALTY,
+        "presence_penalty" => PRESENCE_PENALTY
+    )));
+    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+        "Content-Type: application/json",
+        "Authorization: Bearer " . OPENAI_API_KEY
+    ));
+
+    $response = curl_exec($ch);
+    echo $response;
+
+    curl_close($ch);
+} else {
+    http_response_code(405);
+    echo json_encode(['error' => 'Method not allowed']);
+}

script.js

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+const chatForm = document.getElementById("chat-form");
+const chatInput = document.getElementById("chat-input");
+const chatOutput = document.getElementById("chat-output");
+
+chatForm.addEventListener("submit", async (e) => {
+    e.preventDefault();
+    const message = chatInput.value.trim();
+    if (!message) return;
+
+    chatOutput.innerHTML += `<p class="user-message">${message}</p>`;
+    chatInput.value = "";
+    chatOutput.scrollTop = chatOutput.scrollHeight;
+
+    const response = await fetch("gptchat.php", {
+        method: "POST",
+        headers: {
+            "Content-Type": "application/json",
+        },
+        body: JSON.stringify({ message }),
+    });
+
+    if (response.ok) {
+        const data = await response.json();
+        if (data.choices && data.choices[0] && data.choices[0].text) {
+            chatOutput.innerHTML += `<p class="bot-message">${data.choices[0].text}</p>`;
+        } else {
+            console.error("Error: Unexpected response format", data);
+        }
+        chatOutput.scrollTop = chatOutput.scrollHeight;
+    } else {
+        console.error("Error communicating with GPTChat API");
+    }
+});