const { Client, LocalAuth } = require('whatsapp-web.js');
const axios = require('axios');
const qrcode = require('qrcode-terminal');
const fs = require('fs');

const map = new Map();
const duplicateMap = new Map();

class WhasAppClient {
    constructor(be, res) {
        this.clientId = be;
        this.isGenerateQr = false;
        this.client = new Client({
            authStrategy: new LocalAuth({
                clientId: this.clientId
            }),
            restartOnAuthFail: true,
            puppeteer: {
                headless: true,
                args: ['--no-sandbox'],
            },
        });
        this.retryQr = 0;

        this.client.initialize().catch(error => {
            console.log(`error:${error}`);
        });

        this.client.on('authenticated', async () => {
            console.log(`be:${this.clientId}:Authenticated`);
        });

        this.client.on('qr', async qr => {
            console.log(`be:${this.clientId}:qr:${qr}`);
            this.retryQr = this.retryQr + 1;
            if (this.retryQr == 5) {
                duplicateMap.delete(this.clientId);
                console.log(`destroy: ${this.clientId}`);
                await this.client.destroy();
                fs.rm(`.wwebjs_auth/session-${this.clientId}`, { recursive: true, force: true }, (error) => { });

                // kirim ke abi untuk update status
                axios.post('https://nexilis.io/dashboardv2/logics/update_whatsapp_login', {
                    be: this.clientId,
                    status: 0
                })
                    .then(function (response) {
                        console.log(`response: ${response.data}`);
                    })
                    .catch(function (error) {
                        console.log(error);
                    });
                return;
            }
            if (!this.isGenerateQr) {
                if (res != null) res.json({ status: '00', be: this.clientId, qr: qr });
            }
            this.isGenerateQr = true;

            // generate qr terminal
            qrcode.generate(qr, { small: true });

            // kirim ke abi untuk update qr
            axios.post('https://nexilis.io/dashboardv2/logics/insert_whatsapp_qrcode', {
                be: this.clientId,
                qrcode: qr
            })
                .then(function (response) {
                    console.log(`response: ${response.data}`);
                })
                .catch(function (error) {
                    console.log(error);
                });
        });

        let that = this.client;
        this.client.on('message', async (msg) => {
            console.log(`be:${this.clientId}:message:${JSON.stringify(msg)}`);
            if (msg.body.startsWith('!bot ')) {
                let message = msg.body.slice(5, msg.body.length);
                let chat = await msg.getChat();
                chat.sendSeen();
                if (msg.to.indexOf("8119607282") === -1) { // nexilis.io official number
                    return;
                }
                console.log(`message:${message}`);
                axios.post('https://nexilis.io/chatgpt/gptnexilis', [{
                    role: 'user',
                    content: message
                }], {
                    headers: {
                        'User-Agent': 'easySoftIndonesia',
                        'Cookie': 'PHPSESSID=123;MOBILE=123'
                    }
                })
                    .then(function (response) {
                        console.log(`response:${JSON.stringify(response.data)}`);
                        that.sendMessage(msg.from, response.data.content);
                    })
                    .catch(function (error) {
                        console.log(error);
                    });
            }
        });
        this.client.on('ready', () => {
            console.log(`be:${this.clientId}:Client is ready!`);
            map.set(this.clientId, this.client);
            if (!this.isGenerateQr) {
                if (res != null) res.json({ status: '00', be: this.clientId });
            }
            // kirim ke abi untuk update status
            axios.post('https://nexilis.io/dashboardv2/logics/update_whatsapp_login', {
                be: this.clientId,
                status: 1
            })
                .then(function (response) {
                    console.log(`response: ${response.data}`);
                })
                .catch(function (error) {
                    console.log(error);
                });
        });
        this.client.on('disconnected', async (reason) => {
            console.log(`be:${this.clientId}:Client was logged out`, reason);
            map.delete(this.clientId);
            duplicateMap.delete(this.clientId);
            // kirim ke abi untuk update status
            axios.post('https://nexilis.io/dashboardv2/logics/update_whatsapp_login', {
                be: this.clientId,
                status: 0
            })
                .then(function (response) {
                    console.log(`response: ${response.data}`);
                })
                .catch(function (error) {
                    console.log(error);
                });
        });
    }
}

module.exports.WhasAppClient = WhasAppClient;
module.exports.map = map;
module.exports.duplicateMap = duplicateMap;