alteraçao abril 2026

api/chat.php

@@ -0,0 +1,64 @@
+<?php
+header('Content-Type: application/json');
+require_once __DIR__ . '/../db/config.php';
+require_once __DIR__ . '/../ai/LocalAIApi.php';
+
+$input = json_decode(file_get_contents('php://input'), true);
+$message = $input['message'] ?? '';
+
+if (empty($message)) {
+    echo json_encode(['reply' => "I didn't catch that. Could you repeat?"]);
+    exit;
+}
+
+try {
+    // 1. Fetch Knowledge Base (FAQs)
+    $stmt = db()->query("SELECT keywords, answer FROM faqs");
+    $faqs = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $knowledgeBase = "Here is the knowledge base for this website:\n\n";
+    foreach ($faqs as $faq) {
+        $knowledgeBase .= "Q: " . $faq['keywords'] . "\nA: " . $faq['answer'] . "\n---\n";
+    }
+
+    // 2. Construct Prompt for AI
+    $systemPrompt = "You are a helpful, friendly AI assistant for this website. " .
+        "Use the provided Knowledge Base to answer user questions accurately. " .
+        "If the answer is found in the Knowledge Base, rephrase it naturally. " .
+        "If the answer is NOT in the Knowledge Base, use your general knowledge to help, " .
+        "but politely mention that you don't have specific information about that if it seems like a site-specific question. " .
+        "Keep answers concise and professional.\n\n" .
+        $knowledgeBase;
+
+    // 3. Call AI API
+    $response = LocalAIApi::createResponse([
+        'model' => 'gpt-4o-mini',
+        'input' => [
+            ['role' => 'system', 'content' => $systemPrompt],
+            ['role' => 'user', 'content' => $message],
+        ]
+    ]);
+
+    if (!empty($response['success'])) {
+        $aiReply = LocalAIApi::extractText($response);
+        
+        // 4. Save to Database
+        try {
+            $stmt = db()->prepare("INSERT INTO messages (user_message, ai_response) VALUES (?, ?)");
+            $stmt->execute([$message, $aiReply]);
+        } catch (Exception $e) {
+            error_log("DB Save Error: " . $e->getMessage());
+            // Continue even if save fails, so the user still gets a reply
+        }
+
+        echo json_encode(['reply' => $aiReply]);
+    } else {
+        // Fallback if AI fails
+        error_log("AI Error: " . ($response['error'] ?? 'Unknown'));
+        echo json_encode(['reply' => "I'm having trouble connecting to my brain right now. Please try again later."]);
+    }
+
+} catch (Exception $e) {
+    error_log("Chat Error: " . $e->getMessage());
+    echo json_encode(['reply' => "An internal error occurred."]);
+}

api/telegram_webhook.php

@@ -0,0 +1,91 @@
+<?php
+require_once __DIR__ . '/../db/config.php';
+require_once __DIR__ . '/../ai/LocalAIApi.php';
+
+// Get Telegram Update
+$content = file_get_contents("php://input");
+$update = json_decode($content, true);
+
+if (!$update || !isset($update['message'])) {
+    exit;
+}
+
+$message = $update['message'];
+$chatId = $message['chat']['id'];
+$text = $message['text'] ?? '';
+
+if (empty($text)) {
+    exit;
+}
+
+// Get Telegram Token from DB
+$stmt = db()->query("SELECT setting_value FROM settings WHERE setting_key = 'telegram_token'");
+$token = $stmt->fetchColumn();
+
+if (!$token) {
+    error_log("Telegram Error: No bot token found in settings.");
+    exit;
+}
+
+function sendTelegramMessage($chatId, $text, $token) {
+    $url = "https://api.telegram.org/bot$token/sendMessage";
+    $data = [
+        'chat_id' => $chatId,
+        'text' => $text,
+        'parse_mode' => 'Markdown'
+    ];
+    
+    $options = [
+        'http' => [
+            'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
+            'method'  => 'POST',
+            'content' => http_build_query($data),
+        ],
+    ];
+    $context  = stream_context_create($options);
+    return file_get_contents($url, false, $context);
+}
+
+// Process with AI (Similar logic to api/chat.php)
+try {
+    // 1. Fetch Knowledge Base
+    $stmt = db()->query("SELECT keywords, answer FROM faqs");
+    $faqs = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    $knowledgeBase = "Here is the knowledge base for this website:\n\n";
+    foreach ($faqs as $faq) {
+        $knowledgeBase .= "Q: " . $faq['keywords'] . "\nA: " . $faq['answer'] . "\n---\n";
+    }
+
+    $systemPrompt = "You are a helpful AI assistant integrated with Telegram. " .
+        "Use the provided Knowledge Base to answer user questions. " .
+        "Keep answers concise for mobile reading. Use Markdown for formatting.\n\n" .
+        $knowledgeBase;
+
+    // 2. Call AI
+    $response = LocalAIApi::createResponse([
+        'model' => 'gpt-4o-mini',
+        'input' => [
+            ['role' => 'system', 'content' => $systemPrompt],
+            ['role' => 'user', 'content' => $text],
+        ]
+    ]);
+
+    if (!empty($response['success'])) {
+        $aiReply = LocalAIApi::extractText($response);
+        
+        // 3. Save History
+        try {
+            $stmt = db()->prepare("INSERT INTO messages (user_message, ai_response) VALUES (?, ?)");
+            $stmt->execute(["[Telegram] " . $text, $aiReply]);
+        } catch (Exception $e) {}
+
+        // 4. Send back to Telegram
+        sendTelegramMessage($chatId, $aiReply, $token);
+    } else {
+        sendTelegramMessage($chatId, "I'm sorry, I encountered an error processing your request.", $token);
+    }
+
+} catch (Exception $e) {
+    error_log("Telegram Webhook Error: " . $e->getMessage());
+}

assets/js/main.js

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+document.addEventListener('DOMContentLoaded', () => {
+    const chatForm = document.getElementById('chat-form');
+    const chatInput = document.getElementById('chat-input');
+    const chatMessages = document.getElementById('chat-messages');
+
+    const appendMessage = (text, sender) => {
+        const msgDiv = document.createElement('div');
+        msgDiv.classList.add('message', sender);
+        msgDiv.textContent = text;
+        chatMessages.appendChild(msgDiv);
+        chatMessages.scrollTop = chatMessages.scrollHeight;
+    };
+
+    chatForm.addEventListener('submit', async (e) => {
+        e.preventDefault();
+        const message = chatInput.value.trim();
+        if (!message) return;
+
+        appendMessage(message, 'visitor');
+        chatInput.value = '';
+
+        try {
+            const response = await fetch('api/chat.php', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ message })
+            });
+            const data = await response.json();
+            
+            // Artificial delay for realism
+            setTimeout(() => {
+                appendMessage(data.reply, 'bot');
+            }, 500);
+        } catch (error) {
+            console.error('Error:', error);
+            appendMessage("Sorry, something went wrong. Please try again.", 'bot');
+        }
+    });
+});