const moment = require("moment-timezone")
const chalk = require("chalk")
const fs = require('fs-extra')
const util = require("util")
const {
    getRandom,
    getGroupAdmins,
    sleep
} = require("../lib/myfunc");

module.exports = async (conn, anu) => {
    var jeda = false;
    if (jeda) return console.log("spam welcome active");
    jeda = true;
    try {
        const {
            id,
            participants,
            action
        } = anu;


        if (action === "demote") {
            let members = conn.chats[id].metadata.participants
            await members.forEach(participant => {
                if (participant.id === participants[0]) {
                    participant.admin = null;
                }
            });
            let nana = members.filter(v => v.id === participants[0])
            console.log(nana)
        } else if (action === "promote") {
            let members = conn.chats[id].metadata.participants
            await members.forEach(participant => {
                if (participant.id === participants[0]) {
                    participant.admin = 'admin'
                }
            });
            let nana = members.filter(v => v.id === participants[0])
            console.log(nana)
        }



        if (anu.participants[0].includes('@lid')) return console.log(chalk.magenta('log 1'))
        if ((action == "remove" || action == "promote" || action == "demote") &&
            anu.participants[0].split("@")[0].includes(conn.user.id.split(":")[0])
        )
            return console.log(chalk.magenta('log 2'))
        const myGroup = Object.keys(db.data.chats);
        const from = anu.id
        const botNumber = conn.user.jid;
        const groupMetadata = ((conn.chats[from] || {}).metadata || await conn.groupMetadata(from).catch(_ => null)) || {}
        const groupName = groupMetadata.subject || [];
        const groupLength = groupMetadata.participants.length;
        const sender = conn.decodeJid(anu.participants[0])
        if (sender.includes('_')) return log('log 3')
        const senderNumber = sender.split("@")[0];
        const groupMembers = groupMetadata.participants || [];
        const groupAdmins = getGroupAdmins(groupMembers) || [];
        const groupDesc = groupMetadata.desc || [];
        const groupOwner = groupMetadata.owner || [];
        const user =
            groupMembers.find((u) => conn.decodeJid(u.id) === sender) || {};
        const bot =
            groupMembers.find((u) => conn.decodeJid(u.id) == conn.user.jid) || {};

        const isRAdmin = (user && user.admin == "superadmin") || false;
        const isAdmin = isRAdmin || (user && user.admin == "admin") || false;
        const isBotAdmin = (bot && bot.admin == "admin") || false;
        const pushname = await conn.getName(sender);
        const oneMem = anu.participants.length === 1;
        const itsMe = sender === botNumber;
        const timeWib = moment.tz("Asia/Jakarta").format("HH:mm");
        const chat = global.db.data.chats[id];
        const add = action == "add";
        const remove = action == "remove";
        const memb = groupMetadata.participants.length
        const isBanchat = myGroup.includes(from) ?
            db.data.chats[from].banchat :
            false;
        if (isBanchat) {
            return console.log(chalk.magenta('log 4'))
        }
        let m = {
            chat: from,
            pushname: pushname,
            sender: sender,
        };

        if (!chat) return console.log(chalk.magenta('log 5'))
        let sBye = chat.sBye;
        let sWelcome = chat.sWelcome;

        if (add && oneMem)
            console.log(
                chalk.magenta("[GROUP UPDATE]"),
                chalk.green(`${pushname} has joined from g`),
                chalk.magenta(`${groupName}`)
            );
        if (remove && oneMem)
            console.log(
                chalk.magenta("[GROUP UPDATE]"),
                chalk.green(`${pushname} has left the gc`),
                chalk.magenta(`${groupName}`)
            );

    
        let kickon = db.data.kickon[from];
        if (add && kickon && kickon.includes(senderNumber)) {
            let teks = `@user is not allowed to enter
because he has left this group before,
and has also been marked as a bad user`;
            let text = teks.replace("user", await conn.getName(sender));

            await conn.sendMessage(
                from, {
                    text,
                    mentions: [sender],
                    contextInfo: {
                        mentionedJid: [sender]
                    }
                },

            );
            if (!isBotAdmin)
                return conn.sendMessage(
                    from, {
                        text: `Failed to eject @${senderNumber} from the group because the bot is not an admin`,
                        contextInfo: {
                            mentionedJid: [sender]
                        },
                    },

                );
            if (isBotAdmin)
                return conn.groupParticipantsUpdate(from, [sender], "remove");
        }
        let welcome = 'https://telegra.ph/file/5bedca1f745b1649ecf0b.jpg'
        let goodbye = 'https://telegra.ph/file/c9b18fcfa9df16f13fd51.jpg'
        if (action == "add") {
            var link = welcome;
        } else {
            var link = goodbye;
        }

        const botRun = global.db.data.others['runtime']
        const botTime = botRun ? (new Date - botRun.runtime) : "Not detected"
        const runTime = clockString(botTime)
        let mimetype = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'

        let contextInfo = {
            forwardingScore: 1,
            isForwarded: true,
            mentionedJid: [sender],
            forwardednewsletterMessageInfo: {
                newsletterJid,
                serverMessageId: 100,
                newsletterName
            },
            externalAdReply: {
                showAdAttribution: false,
                title: `${action == "add"? 'W E L C O M E': 'G O O D  B Y E'}`,
                body: `BY 𝐁𝐋𝐔𝐄 𝐃𝐄𝐌𝐎𝐍`,
                sourceUrl: global.myUrl,
                mediaType: 1,
                renderLargerThumbnail: true,
                thumbnailUrl: link,
            }
        }




        switch (action) {

            case "add": {
                if (!chat.welcome) return
                let teks = `*Hello @user*
*welcome to group* ${groupName}
*Description : \n@desc*
${sWelcome}`;
                const welcomeText = (chat.sWelcome || teks)
                    .replace("user", await conn.getName(sender))
                    .replace("@desc", groupDesc.toString() || "unknow")
                    .replace("@subject", groupName);
                if (chat.welcome && !itsMe && oneMem) conn.sendMessage(
                    from, {
                        document: fs.readFileSync('./package.json'),
                        caption: welcomeText,
                        fileName: copyright,
                        mimetype,
                        pageCount: 100,
                        fileLength: 999999999999,
                        contextInfo
                    }
                );


            }
            break;

            case "remove": {
                if (!chat.welcome) return
                let teks = `Goodbye @user
${sBye}`;
                const byeText = (chat.sBye || teks)
                    .replace("user", await conn.getName(sender))
                    .replace("@desc", groupDesc.toString() || "unknow")
                    .replace("@subject", groupName);
                if (chat.welcome && !itsMe && oneMem) conn.sendMessage(
                    from, {
                        document: fs.readFileSync('./package.json'),
                        caption: byeText,
                        fileName: copyright,
                        mimetype,
                        pageCount: 100,
                        fileLength: 999999999999,
                        contextInfo
                    }
                );
            }
            break




        }

        await sleep(5000);
        jeda = false;
    } catch (err) {

        jeda = false;
        console.log(err);
        let e = String(err);
        if (e.includes("this.isZero")) {
            return;
        }
        if (e.includes("rate-overlimit")) {
            return;
        }
        if (e.includes("connection Closed")) {
            return;
        }
        if (e.includes("Timed Out")) {
            return;
        }
        console.log(chalk.white("GROUP :"), chalk.green(e));

        let text = `${util.format(anu)}

${util.format(groupMetadata)}

${util.format(err)}`
        conn.sendMessage(ownerBot, {
            text
        })

    }
};