const { PermissionFlagsBits, ChannelType } = require('discord.js');
const { stmts } = require('../database');
const { successEmbed, errorEmbed } = require('../utils/embeds');
const { Colors, Roles } = require('../config');

module.exports = {
    async execute(client, message) {
        const guild = await client.guilds.fetch(process.env.GUILD_ID);
        await guild.roles.fetch();
        await guild.channels.fetch();

        const log = [];

        // ── 1. Create missing roles ──────────────────────────────
        const newRoles = ['@@ Server Manager', '@@ Moderator'];
        for (const roleName of newRoles) {
            const existing = guild.roles.cache.find(r => r.name === roleName);
            if (existing) {
                log.push(`⏭️ Role **${roleName}** already exists`);
                continue;
            }
            const def = Roles.find(r => r.name === roleName);
            if (!def) continue;

            // Find position: place below Co-Owner, above Staff
            const staffRole = guild.roles.cache.find(r => r.name === '@@ Staff');
            const pos = staffRole ? staffRole.position + 1 : 1;

            await guild.roles.create({
                name: def.name,
                color: def.color,
                permissions: def.permissions,
                hoist: def.hoist,
                mentionable: def.mentionable,
                position: pos,
            });
            log.push(`✅ Created role **${roleName}**`);
        }

        // ── 2. Create owner-chat in STAFF ONLY category ──────────
        const staffCategory = guild.channels.cache.find(
            c => c.type === ChannelType.GuildCategory && c.name.includes('STAFF ONLY')
        );
        const ownerChatExists = guild.channels.cache.find(c => c.name === '👑・owner-chat');

        if (ownerChatExists) {
            log.push(`⏭️ Channel **👑・owner-chat** already exists`);
        } else if (!staffCategory) {
            log.push(`⚠️ STAFF ONLY category not found — skipped owner-chat`);
        } else {
            // Fetch roles for permissions
            const everyoneRole = guild.roles.everyone;
            const ownerRole = guild.roles.cache.find(r => r.name === '@@ Owner');
            const coOwnerRole = guild.roles.cache.find(r => r.name === '@@ Co-Owner');
            const svrMgrRole = guild.roles.cache.find(r => r.name === '@@ Server Manager');

            const overwrites = [
                { id: everyoneRole.id, deny: [PermissionFlagsBits.ViewChannel] },
            ];
            if (ownerRole) overwrites.push({ id: ownerRole.id, allow: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages] });
            if (coOwnerRole) overwrites.push({ id: coOwnerRole.id, allow: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages] });
            if (svrMgrRole) overwrites.push({ id: svrMgrRole.id, allow: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages] });

            // Get staff-chat to position owner-chat above it
            const staffChat = guild.channels.cache.find(c => c.name === '🛡️・staff-chat');

            const ownerChat = await guild.channels.create({
                name: '👑・owner-chat',
                type: ChannelType.GuildText,
                parent: staffCategory.id,
                permissionOverwrites: overwrites,
            });

            // Move above staff-chat
            if (staffChat) {
                await ownerChat.setPosition(staffChat.position);
            }

            stmts.setState.run('channel_👑・owner-chat', ownerChat.id);
            log.push(`✅ Created **👑・owner-chat** (above staff-chat)`);
        }

        // ── 3. Lock Resources channels to owner-only send ────────
        const resourceChannels = ['🌐・resources', '🌐・free-assets', '🌐・scripts', '🌐・drivers'];
        const everyoneRole = guild.roles.everyone;
        const ownerRole = guild.roles.cache.find(r => r.name === '@@ Owner');
        const verifiedRole = guild.roles.cache.find(r => r.name === '@@ Verified');
        const staffRole = guild.roles.cache.find(r => r.name === '@@ Staff');
        const boosterRole = guild.roles.cache.find(r => r.name === '@@ Booster');

        for (const chName of resourceChannels) {
            const ch = guild.channels.cache.find(c => c.name === chName);
            if (!ch) {
                log.push(`⚠️ Channel **${chName}** not found — skipped`);
                continue;
            }

            const overwrites = [
                { id: everyoneRole.id, deny: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages] },
            ];
            if (verifiedRole) overwrites.push({ id: verifiedRole.id, allow: [PermissionFlagsBits.ViewChannel], deny: [PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });
            if (boosterRole) overwrites.push({ id: boosterRole.id, allow: [PermissionFlagsBits.ViewChannel], deny: [PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });
            if (staffRole) overwrites.push({ id: staffRole.id, allow: [PermissionFlagsBits.ViewChannel], deny: [PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });
            if (ownerRole) overwrites.push({ id: ownerRole.id, allow: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });

            await ch.permissionOverwrites.set(overwrites);
            log.push(`🔒 Locked **${chName}** — owner-only send`);
        }

        // ── 4. Lock booster-rewards to owner-only send ───────────
        const boosterRewards = guild.channels.cache.find(c => c.name === '💎・booster-rewards');
        if (boosterRewards) {
            const overwrites = [
                { id: everyoneRole.id, deny: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages] },
            ];
            if (boosterRole) overwrites.push({ id: boosterRole.id, allow: [PermissionFlagsBits.ViewChannel], deny: [PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });
            if (staffRole) overwrites.push({ id: staffRole.id, allow: [PermissionFlagsBits.ViewChannel], deny: [PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });
            if (ownerRole) overwrites.push({ id: ownerRole.id, allow: [PermissionFlagsBits.ViewChannel, PermissionFlagsBits.SendMessages, PermissionFlagsBits.AttachFiles] });

            await boosterRewards.permissionOverwrites.set(overwrites);
            log.push(`🔒 Locked **💎・booster-rewards** — owner-only send`);
        } else {
            log.push(`⚠️ Channel **💎・booster-rewards** not found — skipped`);
        }

        // ── Done ─────────────────────────────────────────────────
        await message.reply({
            embeds: [successEmbed('✅ Updates Applied', log.join('\n'))],
        });
    },
};