const fs = require("fs");
const path = require("path");
const file = path.join(__dirname, "autoreadd.json");

if (!fs.existsSync(file)) fs.writeFileSync(file, JSON.stringify({}));

function load() {
    return JSON.parse(fs.readFileSync(file));
}

function save(data) {
    fs.writeFileSync(file, JSON.stringify(data, null, 2));
}

module.exports = {
    config: {
        name: "autoreadd",
        aliases: ["antiout"],
        version: "6.1",
        author: "𝗔𝗿𝗶𝘆𝗮𝗻 𝗯𝗯'𝘇", // <-- tor nam
        countDown: 5,
        role: 0,
        shortDescription: "Auto Re-Add left users (only for self-leave, not for kick)",
        longDescription: "কেউ নিজে থেকে লিভ নিলে নাম সহ দেখাবে এবং অ্যাড করবে, কিন্তু কিক করলে অ্যাড করবে না",
        category: "system",
        guide: {
            en: "{pn} on / off",
            bn: "{pn} on / off"
        }
    },

    onStart: async function ({ api, event, args }) {
        const tid = event.threadID;
        const sid = event.senderID;
        const info = await api.getThreadInfo(tid);
        const isGroupAdmin = info.adminIDs.some(a => a.id == sid);
        const isBotAdmin = event.role >= 1;

        if (!isGroupAdmin &&!isBotAdmin) {
            return api.sendMessage("❌ Only Group Admin can use this command!", tid);
        }

        let data = load();

        if (!args[0]) {
            return api.sendMessage("Use: autoreadd on / autoreadd off", tid);
        }

        if (args[0].toLowerCase() === "on") {
            data[tid] = true;
            save(data);
            return api.sendMessage("✅ Auto Re-Add is now ON!\n(Only for members who leave by themselves)", tid);
        }

        if (args[0].toLowerCase() === "off") {
            data[tid] = false;
            save(data);
            return api.sendMessage("❌ Auto Re-Add is now OFF!", tid);
        }
    },

    onEvent: async function ({ api, event }) {
        if (event.logMessageType!== "log:unsubscribe") return;

        const tid = event.threadID;
        const leftUser = event.logMessageData.leftParticipantFbId;
        const authorId = event.author;

        let data = load();
        const isEnabled = data[tid]!== false;
        if (!isEnabled) return;
        if (leftUser === api.getCurrentUserID()) return;

        const isSelfLeave = (authorId === leftUser);

        try {
            const userInfo = await api.getUserInfo(parseInt(leftUser));
            const userName = userInfo[leftUser]?.name || "Someone";

            if (isSelfLeave) {
                // প্রথম মেসেজ
                const initialMessage = await api.sendMessage(`➤ ${userName} left the group`, tid);

                // অ্যাড করার চেষ্টা
                try {
                    await api.addUserToGroup(leftUser, tid);
                    // সফল হলে
                    await api.editMessage(`✅ ${userName} added back automatically!`, initialMessage.messageID, tid);
                } catch (addError) {
                    console.error("Auto re-add failed:", addError);
                    // ব্যর্থ হলে
                    await api.editMessage(`❌ Failed to re-add ${userName} (blocked or left permanently)`, initialMessage.messageID, tid);
                }
            } else {
                // কিক হয়েছে
                await api.sendMessage(`➤ ${userName} kicked out from the group`, tid);
            }

        } catch (error) {
            console.error("Error:", error);
            if (isSelfLeave) {
                const initialMessage = await api.sendMessage(`➤ Someone left the group`, tid);
                try {
                    await api.addUserToGroup(leftUser, tid);
                    await api.editMessage(`✅ User added back automatically!`, initialMessage.messageID, tid);
                } catch (addError) {
                    await api.editMessage(`❌ Failed to re-add user.`, initialMessage.messageID, tid);
                }
            } else {
                await api.sendMessage(`➤ Someone kicked out from the group`, tid);
            }
        }
    }
};