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[repo] desacoplamento e maior coesão

src/client/whatsappClient.js

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+import pkg from "whatsapp-web.js";
+import qrcode from "qrcode-terminal";
+import { exec } from "child_process";
+import { CLIENT_ID } from "../config.js";
+
+export const { Client, LocalAuth, MessageMedia } = pkg;
+
+export const client = new Client({
+    authStrategy: new LocalAuth({ clientId: CLIENT_ID }),
+    puppeteer: { headless: true }
+});
+
+client.on("qr", qr => {
+    console.log("[BOT] Escaneie o QR Code");
+    qrcode.generate(qr, { small: true });
+});
+
+client.on("ready", () => {
+    exec("clear");
+    console.log("[BOT] WhatsApp conectado.");
+});
+
+client.on("disconnected", reason => {
+    console.warn("[BOT] Reconectando:", reason);
+    setTimeout(() => client.initialize(), 5000);
+});
+
+export default client;

src/commands/figurinha.js

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+import pkg from "whatsapp-web.js";
+const { MessageMedia } = pkg;
+import sharp from "sharp";
+import fs from "fs";
+import { botMsg } from "../utils/botMsg.js";
+import { client } from "../client/whatsappClient.js"
+
+export async function gerarSticker(msg) {
+    if (!msg.hasMedia) {
+        await msg.reply(botMsg("Envie uma imagem junto com o comando: `!figurinha`."));
+        return;
+    }
+
+    const media = await msg.downloadMedia();
+    const ext = media.mimetype.split("/")[1];
+    const input = `downloads/${msg.id._serialized}.${ext}`;
+    const output = `downloads/${msg.id._serialized}.webp`;
+
+    fs.writeFileSync(input, Buffer.from(media.data, "base64"));
+
+    await sharp(input)
+        .resize(512, 512, { fit: "contain", background: { r:0,g:0,b:0,alpha:0 } })
+        .webp()
+        .toFile(output);
+
+    const data = fs.readFileSync(output);
+    const sticker = new MessageMedia("image/webp", data.toString("base64"), "sticker.webp");
+    const chat = await msg.getChat();
+    await client.sendMessage(chat.id._serialized, sticker, { sendMediaAsSticker: true });
+
+    fs.unlinkSync(input);
+    fs.unlinkSync(output);
+}

src/commands/index.js

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+import { enqueueDownload } from "../download/queue.js";
+import { gerarSticker } from "./figurinha.js";
+import { botMsg } from "../utils/botMsg.js";
+import { iniciarJogo, pararJogo, processarJogo } from "../games/adivinhacao.js";
+import { processarInfo } from "./info.js";
+
+export async function processarComando(msg, chat, chatId) {
+    const tokens = msg.body.trim().split(/\s+/);
+    try {
+        switch(tokens[0]) {
+            case "!many":
+                await chat.sendMessage(botMsg(
+                    "Comandos:\n\n"+
+                    "- `!ping`\n"+
+                    "- `!video <link>`\n"+
+                    "- `!audio <link>`\n"+
+                    "- `!figurinha`\n"+
+                    "- `!adivinhação começar|parar`\n"+
+                    "- `!info <comando>`"
+                ));
+            break;
+
+            case "!ping":
+                await msg.reply(botMsg("pong 🏓"));
+            break;
+
+            case "!video":
+                if (!tokens[1]) return;
+                await msg.reply(botMsg("⏳ Baixando vídeo..."));
+                enqueueDownload("video", tokens[1], msg, chatId);
+            break;
+
+            case "!audio":
+                if (!tokens[1]) return;
+                await msg.reply(botMsg("⏳ Baixando áudio..."));
+                enqueueDownload("audio", tokens[1], msg, chatId);
+            break;
+
+            case "!figurinha":
+                await gerarSticker(msg);
+            break;
+
+            case "!adivinhação":
+                if (!tokens[1]) {
+                    await chat.sendMessage(botMsg("`!adivinhação começar`\n`!adivinhação parar`"));
+                    return;
+                }
+                if (tokens[1] === "começar") {
+                    iniciarJogo();
+                    await chat.sendMessage(botMsg("Jogo iniciado! Tente adivinhar o número de 1 a 100."));
+                }
+                if (tokens[1] === "parar") {
+                    pararJogo();
+                    await chat.sendMessage(botMsg("Jogo parado."));
+                }
+            break;
+
+            case "!info":
+                if (!tokens[1]) {
+                    await chat.sendMessage(botMsg("Use:\n`!info <comando>`"));
+                    return;
+                } else {
+                    processarInfo(tokens[1], chat);
+                }
+            break;
+        }
+    } catch(err) {
+        console.error(err);
+        await chat.sendMessage(botMsg("Erro:\n`"+err.message+"`"));
+    }
+}

src/commands/info.js

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+import { botMsg } from "../utils/botMsg.js";
+
+export async function processarInfo(cmd, chat) {
+    switch(cmd) {
+        case "ping":
+            await chat.sendMessage(botMsg("> `!ping`\nResponde pong."));
+        break;
+        case "video":
+            await chat.sendMessage(botMsg("> `!video <link>`\nBaixa vídeo da internet."));
+        break;
+        case "audio":
+            await chat.sendMessage(botMsg("> `!audio <link>`\nBaixa áudio da internet."));
+        break;
+        case "figurinha":
+            await chat.sendMessage(botMsg("`!figurinha`\nTransforma imagem/GIF em sticker."));
+        break;
+        default:
+            await chat.sendMessage(botMsg(`❌ Comando '${tokens[1]}' não encontrado.`));
+    }
+}

src/download/audio.js

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+import { get_video } from "./video.js";
+import { spawn } from "child_process";
+import os from "os";
+
+const so = os.platform();
+
+export async function get_audio(url, id) {
+    const video = await get_video(url, id);
+    const output = `downloads/${id}.mp3`;
+    const cmd = so === "win32" ? ".\\bin\\ffmpeg.exe" : "./bin/ffmpeg";
+    const args = ['-i', video, '-vn', '-acodec', 'libmp3lame', '-q:a', '2', output];
+
+    await runCmd(cmd, args);
+    return output;
+}
+
+async function runCmd(cmd, args) {
+    return new Promise((resolve, reject) => {
+        const proc = spawn(cmd, args);
+        proc.stdout.on("data", data => console.log("[cmd]", data.toString()));
+        proc.stderr.on("data", data => console.error("[cmd ERR]", data.toString()));
+        proc.on("close", code => code === 0 ? resolve() : reject(new Error("Processo saiu com código "+code)));
+    });
+}

src/download/queue.js

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+import { get_video } from "./video.js";
+import { get_audio } from "./audio.js";
+import pkg from "whatsapp-web.js";
+const { MessageMedia } = pkg;
+import fs from "fs";
+import { botMsg } from "../utils/botMsg.js";
+import { emptyFolder } from "../utils/file.js";
+import client from "../client/whatsappClient.js";
+
+let downloadQueue = [];
+let processingQueue = false;
+
+export function enqueueDownload(type, url, msg, chatId) {
+    downloadQueue.push({ type, url, msg, chatId });
+    if (!processingQueue) processQueue();
+}
+
+async function processQueue() {
+    processingQueue = true;
+    while (downloadQueue.length) {
+        const job = downloadQueue.shift();
+        try {
+            let path;
+            if (job.type === "video") path = await get_video(job.url, job.msg.id._serialized);
+            else path = await get_audio(job.url, job.msg.id._serialized);
+
+            const file = fs.readFileSync(path);
+            const media = new MessageMedia(
+                job.type === "video" ? "video/mp4" : "audio/mpeg",
+                file.toString("base64"),
+                path.split("/").pop()
+            );
+            await client.sendMessage(job.chatId, media);
+            fs.unlinkSync(path);
+            emptyFolder("downloads");
+
+        } catch (err) {
+            await client.sendMessage(job.chatId, botMsg(`❌ Erro ao baixar ${job.type}\n\`${err.message}\``));
+        }
+    }
+    processingQueue = false;
+}

src/download/video.js

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+import { spawn } from "child_process";
+import os from "os";
+
+const so = os.platform();
+
+export async function get_video(url, id) {
+    const cmd = so === "win32" ? ".\\bin\\yt-dlp.exe" : "./bin/yt-dlp";
+    const args = [
+        '--extractor-args', 'youtube:player_client=android',
+        '-f', 'bv+ba/best',
+        '--print', 'after_move:filepath',
+        '--output', `downloads/${id}.%(ext)s`,
+        '--cookies', 'cookies.txt',
+        '--add-header', 'User-Agent:Mozilla/5.0',
+        '--add-header', 'Referer:https://www.youtube.com/',
+        '--retries', '4',
+        '--fragment-retries', '5',
+        '--socket-timeout', '15',
+        '--sleep-interval', '1', '--max-sleep-interval', '4',
+        '--allow-unplayable-formats',
+        url
+    ];
+
+    return await runCmd(cmd, args);
+}
+
+async function runCmd(cmd, args) {
+    return new Promise((resolve, reject) => {
+        const proc = spawn(cmd, args);
+        let stdout = "";
+
+        proc.stdout.on("data", data => stdout += data.toString());
+        proc.stderr.on("data", data => console.error("[cmd ERR]", data.toString()));
+        proc.on("close", code => code === 0 ? resolve(stdout.trim()) : reject(new Error("Processo saiu com código "+code)));
+    });
+}

src/games/adivinhacao.js

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+import { botMsg } from "../utils/botMsg.js";
+
+let jogoAtivo = null;
+
+export function iniciarJogo() {
+    jogoAtivo = Math.floor(Math.random()*100)+1;
+    return jogoAtivo;
+}
+
+export function pararJogo() {
+    jogoAtivo = null;
+}
+
+export async function processarJogo(msg, chat) {
+    if (!jogoAtivo) return;
+
+    const tentativa = msg.body.trim();
+    if (!/^\d+$/.test(tentativa)) return;
+
+    const num = parseInt(tentativa);
+    if (num === jogoAtivo) {
+        await msg.reply(botMsg(`Acertou! Número: ${jogoAtivo}`));
+        pararJogo();
+    } else if (num > jogoAtivo) {
+        await chat.sendMessage(botMsg("Menor."));
+    } else {
+        await chat.sendMessage(botMsg("Maior."));
+    }
+}

src/main.js

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+console.log("Iniciando...");
+
+import client from "./client/whatsappClient.js";
+import { CHATS } from "./config.js";
+import { processarComando } from "./commands/index.js";
+import { processarJogo } from "./games/adivinhacao.js";
+import { getChatId } from "./utils/getChatId.js";
+
+client.on("message_create", async msg => {
+    try {
+        const chat = await msg.getChat();
+        const chatId = getChatId(chat);
+        if (!CHATS.includes(chatId)) return;
+
+        console.log("==================================");
+        console.log(`CHAT NAME : ${chat.name || chat.id.user}`);
+        console.log(`CHAT ID   : ${chatId}`);
+        console.log(`FROM      : ${msg.from}`);
+        console.log(`BODY      : ${msg.body}`);
+        console.log("==================================\n");
+
+        await processarComando(msg, chat, chatId);
+        await processarJogo(msg, chat);
+    } catch(err) {
+        console.error("[ERRO]", err);
+    }
+});
+
+client.initialize();

src/utils/botMsg.js

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+import { BOT_PREFIX } from "../config.js";
+
+export function botMsg(texto) {
+    return `${BOT_PREFIX}\n${texto}`;
+}

src/utils/file.js

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+import fs from "fs";
+import path from "path";
+
+export function emptyFolder(folder) {
+    fs.readdirSync(folder).forEach(file => {
+        const filePath = path.join(folder, file);
+        if (fs.lstatSync(filePath).isFile()) fs.unlinkSync(filePath);
+    });
+}

src/utils/getChatId.js

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+export function getChatId(chat) {
+    return chat.id._serialized;
+}

src/utils/get_id.js

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+// get_id.js
+
+const arg = process.argv[2]; // argumento passado no node
+if (!arg) {
+    console.log("Use: node get_id.js grupos|contatos|<nome>");
+    process.exit(0);
+}
+
+console.log("[PESQUISANDO] Aguarde...");
+
+import pkg from 'whatsapp-web.js';
+const { Client, LocalAuth } = pkg;
+import qrcode from 'qrcode-terminal';
+
+const CLIENT_ID = "bot_permanente"; // sempre o mesmo
+
+const client = new Client({
+    authStrategy: new LocalAuth({ clientId: CLIENT_ID }),
+    puppeteer: { headless: true }
+});
+
+client.on('qr', qr => {
+    console.log("[WPP] QR Code gerado. Escaneie apenas uma vez:");
+    qrcode.generate(qr, { small: true });
+});
+
+client.on('ready', async () => {
+    console.log("[WPP] Conectado");
+
+    const chats = await client.getChats(); // <- precisa do await
+
+    let filtered = [];
+
+    if (arg.toLowerCase() === "grupos") {
+        filtered = chats.filter(c => c.isGroup);
+    } else if (arg.toLowerCase() === "contatos") {
+        filtered = chats.filter(c => !c.isGroup);
+    } else {
+        const search = arg.toLowerCase();
+        filtered = chats.filter(c => (c.name || c.id.user).toLowerCase().includes(search));
+    }
+
+    if (filtered.length === 0) {
+        console.log("Nenhum chat encontrado com esse filtro.");
+    } else {
+        console.log(`Encontrados ${filtered.length} chats:`);
+        filtered.forEach(c => {
+            console.log("================================");
+            console.log("NAME:", c.name || c.id.user);
+            console.log("ID:", c.id._serialized);
+            console.log("GROUP:", c.isGroup);
+        });
+    }
+
+    process.exit(0);
+});
+
+client.initialize();