/* eslint-disable no-undef */
const {
  makeWASocket,
  Browsers,
  DisconnectReason,
  fetchLatestBaileysVersion,
  makeCacheableSignalKeyStore,
  makeInMemoryStore,
  useMultiFileAuthState,
  downloadMediaMessage,
} = require('@whiskeysockets/baileys');

const { writeFile } = require('fs/promises');

const NodeCache = require('node-cache');
const P = require('pino');

const logger = P({ timestamp: () => `,"time":"${new Date().toJSON()}"` }, P.destination('./wa-logs.txt'))
logger.level = 'trace'

// external map to store retry counts of messages when decryption/encryption fails
// keep this out of the socket itself, so as to prevent a message decryption/encryption loop across socket restarts
const msgRetryCounterCache = new NodeCache()

// the store maintains the data of the WA connection in memory
// can be written out to a file & read from it
const store = makeInMemoryStore({ logger })
store?.readFromFile('./baileys_store_multi.json')
// save every 10s
setInterval(() => {
  store?.writeToFile('./baileys_store_multi.json')
}, 10_000)

const createWhatsApp = async phone => {
  const channelId = phone;
  const whatsAppNo = phone;
  const { state, saveCreds } = await useMultiFileAuthState('baileys_auth_info/' + phone);
  // fetch latest version of WA Web
  const { version, isLatest } = await fetchLatestBaileysVersion();
  const waVersion = version.join('.') + ', ' + (isLatest ? 'latest' : 'out');

  const formatPhoneNumber = number => {
    if (number === null || number === undefined) return '';

    if (number.indexOf('@g.us') > -1) {
      return number;
    } else if (number.indexOf('@broadcast') > -1) {
      return number;
    } else {
      return number + '@s.whatsapp.net';
    }
  };

  const parsePhoneNumber = number => {
    if (number === null || number === undefined) return '';

    if (number.indexOf('@s.whatsapp.net') > -1) {
      return number.split('@')[0];
    } else {
      return number;
    }
  };

  // status: sent read delivered failed
  // 2 sent, 3 delivered, 4 read, 0 error
  // Time: 2008-07-07 15:37:07
  const formatStatus = number => {
    if (number === 2) return 'sent';
    else if (number === 3) return 'delivered';
    else if (number === 4) return 'read';
    else if (number === 0) return 'error';
    else return 'played';
  };
  const formatTimestamp = timestamp => {
    if (timestamp === null) return '';

    const datetime = new Date(timestamp * 1000);

    return datetime.getFullYear() + '-' + (datetime.getMonth() + 1) + '-' + datetime.getDay() + ' ' + datetime.getHours() + ':' + datetime.getMinutes() + ':' + datetime.getSeconds();
  };

  const sendTextMessage = (whatsAppNo, content) => {
    const number = formatPhoneNumber(whatsAppNo);
    console.info('formatPhoneNumber: ', number);
    waSocket.sendMessage(number, { text: content });
  };

  const sendImageMessage = (whatsAppNo, imageUrl) => {
    const number = formatPhoneNumber(whatsAppNo);
    waSocket.sendMessage(number, {
      image: { url: imageUrl },
    });
  };

  let waSocket = null;

  const start = () => {
    return new Promise((resolve, reject) => {
      waSocket = makeWASocket({
        version,
        logger,
        auth: {
          creds: state.creds,
          /** caching makes the store faster to send/recv messages */
          keys: makeCacheableSignalKeyStore(state.keys, logger),
        },
        // https://github.com/WhiskeySockets/Baileys/blob/31bc8ab/src/Utils/generics.ts#L21
        browser: Browsers.macOS('Desktop'),
        msgRetryCounterCache,
        generateHighQualityLinkPreview: false,
        syncFullHistory: false,
      });

      // something about the connection changed
      // maybe it closed, or we received all offline message or connection opened
      waSocket.ev.on('connection.update', async update => {
        console.log('connection update: ', update);
        const { connection, lastDisconnect, qr } = update;
        if (connection === 'close') {
          console.log('链接断开：', lastDisconnect);
          if (lastDisconnect?.error?.output?.statusCode !== DisconnectReason.loggedOut) {
            start();
          } else {
            waSocket.end(error => console.error('end.error: ', error));
            waSocket.logout(msg => console.error('logout.msg: ', msg));
            console.log('Connection closed. You are logged out.');
          }
        } else if (connection === 'open') {
          console.info('链接成功');
          waEmitter.emit('connection.open', waSocket);
        } else if (qr !== undefined) {
          // WebSocket 创建成功等待扫码，如果没有扫码会更新 qr
          resolve(qr);
        }
      });

      waSocket.ev.on('messages.upsert', async upsert => {
        console.log('收到消息：', JSON.stringify(upsert, undefined, 2));

        if (upsert.type === 'notify') {
          for (const msg of upsert.messages) {
            const messageType = Object.keys(msg.message)[0];

            console.log('messageType', messageType);
            if (messageType === 'imageMessage') {
              // download the message
              const buffer = await downloadMediaMessage(
                msg,
                'buffer',
                {},
                {
                  logger,
                  // pass this so that baileys can request a reupload of media
                  // that has been deleted
                  reuploadRequest: waSocket.updateMediaMessage,
                },
              );
              // save to file
              await writeFile('d:/my-download.jpeg', buffer);

              console.log('writeFile', messageType);
            }

            const fromWhatsAppNo = parsePhoneNumber(msg.key.remoteJid);

            if (msg.key.remoteJid.indexOf('@g.us') > -1) {
              const metadata = await waSocket.groupMetadata(msg.key.remoteJid);
              console.log('群: ' + metadata.subject + ', description: ' + metadata.desc);

              try {
                const ppUrl = await waSocket.profilePictureUrl(msg.key.remoteJid);
                console.log('群头像: ' + ppUrl);
              } catch (ex) {
                console.error('群头像出错了: ', ex);
              }
            } else {
              console.log('remoteJid: ', msg.key.remoteJid);
              try {
                const ppUrl = await waSocket.profilePictureUrl(msg.key.remoteJid);
                console.log('个人头像: ' + ppUrl);
              } catch (ex) {
                console.error('个人头像出错了: ', ex);
              }
            }

            if (msg.message?.conversation || msg.message?.extendedTextMessage?.text) {
              const text = msg.message?.conversation || msg.message?.extendedTextMessage?.text;

              if (text.indexOf('图片') > -1) {
                sendImageMessage(fromWhatsAppNo, 'https://images.asiahighlights.com/allpicture/2022/07/8a7d9ced5936463bb904c82a_cut_750x850_349.webp');
              } else if (text.indexOf('文本') > -1) {
                sendTextMessage(fromWhatsAppNo, '这是文本消息：' + new Date().toString());
              } else if (text.indexOf('发群') > -1) {
                sendTextMessage('120363335516526642@g.us', '这是群消息：' + new Date().toString());
              }

              if (msg.key.fromMe) {
                waEmitter.emit('message:updated', {
                  id: msg.key.id,
                  status: formatStatus(msg.status),
                  from: whatsAppNo,
                  to: fromWhatsAppNo,
                  type: 'text',
                  text: {
                    body: text,
                  },
                  participant: {
                    id: parsePhoneNumber(msg.key.participant),
                    name: msg.pushName,
                  },
                  updateTime: formatTimestamp(msg.messageTimestamp),
                });
              } else {
                waEmitter.emit('message:received', {
                  id: msg.key.id,
                  status: '',
                  from: fromWhatsAppNo,
                  to: whatsAppNo,
                  type: 'text',
                  text: {
                    body: text,
                  },
                  participant: {
                    id: parsePhoneNumber(msg.key.participant),
                    name: msg.pushName,
                  },
                  createTime: formatTimestamp(msg.messageTimestamp),
                });
              }
            }
          }
        }
      });

      waSocket.ev.on('messages.update', async messageUpdate => {
        console.info('messages.update: ', messageUpdate);

        for (const msg of messageUpdate) {
          waEmitter.emit('message:updated', {
            id: msg.key.id,
            status: formatStatus(msg.update.status),
            from: msg.key.fromMe ? whatsAppNo : parsePhoneNumber(msg.key.remoteJid),
            to: msg.key.fromMe ? parsePhoneNumber(msg.key.remoteJid) : whatsAppNo,
            participant: {
              id: parsePhoneNumber(msg.key.participant),
              name: msg.pushName,
            },
            updateTime: formatTimestamp(new Date().getTime() / 1000),
          });
        }
      });

      waSocket.ev.on('group-participants.update', async GroupMetadata => {
        console.info('group-participants.update: ', GroupMetadata);
      });

      // 不绑定不会影响扫码登录
      store?.bind(waSocket.ev);

      // the process function lets you process all events that just occurred
      // efficiently in a batch
      waSocket.ev.process(
        // events is a map for event name => event data
        async events => {
          // credentials updated -- save them
          if (events['creds.update']) {
            await saveCreds();
          }
        },
      );
    });
  };

  return {
    createTimestamp: Date.now(),
    status: 'offline',
    version: waVersion,
    channelId: channelId,
    phone: phone,
    start,
    sendTextMessage,
    sendImageMessage,
  };
};

createWhatsApp().then(wa => wa.start())