Function handler

plugins/grayscale.ts:15–75

(sock: any, message: any, args: any, context: BotContext)

  usage: 'Reply to an image with .grayscale',

  async handler(sock: any, message: any, args: any, context: BotContext) {
    const chatId = context.chatId || message.key.remoteJid;

    try {
      const quoted =
        message.message?.extendedTextMessage?.contextInfo?.quotedMessage;

      if (!quoted?.imageMessage) {
        return await sock.sendMessage(
          chatId,
          { text: '🖤 *Grayscale Image*\n\nReply to an image to convert it to grayscale\n\nUsage:\n.grayscale' },
          { quoted: message }
        );
      }

      await sock.sendMessage(chatId, { react: { text: '🔄', key: message.key } });

      const stream = await downloadContentFromMessage(quoted.imageMessage, 'image');
      let buffer = Buffer.from([]);
      for await (const chunk of stream) {
        buffer = Buffer.concat([buffer, chunk]);
      }

      const tempFile = path.join(process.cwd(), `grayscale_${Date.now()}.jpg`);
      fs.writeFileSync(tempFile, buffer);

      const form = new FormData();
      form.append('apikey', 'guru');
      form.append('file', fs.createReadStream(tempFile));

      const res = await axios.post(
        'https://discardapi.dpdns.org/api/image/grayscale',
        form,
        { headers: form.getHeaders(), responseType: 'arraybuffer', timeout: 60000 }
      );
      fs.unlinkSync(tempFile);

      if (!res?.data) throw new Error('Grayscale conversion failed');

      const grayFile = path.join(process.cwd(), `grayscale_result_${Date.now()}.jpg`);
      fs.writeFileSync(grayFile, res.data);

      await sock.sendMessage(
        chatId,
        {
          image: { url: grayFile },
          caption: `🖤 *Grayscale Image*\n\nProcessed by: MEGA-MD`
        },
        { quoted: message }
      );
      fs.unlinkSync(grayFile);

    } catch(err: any) {
      console.error('Grayscale Plugin Error:', err);
      await sock.sendMessage(
        chatId,
        { text: '❌ Failed to convert image to grayscale. Make sure the image is clear and try again.' },
        { quoted: message }