const { createEmbed } = require('../utils/embeds');
const { Colors } = require('../config');

module.exports = {
    name: 'backup layout',
    async execute(client, message) {
        const guildId = process.env.GUILD_ID;
        const guild = await client.guilds.fetch(guildId);

        // Fetch all channels and roles
        await guild.channels.fetch();
        await guild.roles.fetch();

        const backup = {
            guild: {
                name: guild.name,
                id: guild.id,
                backupDate: new Date().toISOString(),
            },
            roles: guild.roles.cache
                .filter(r => r.name !== '@everyone')
                .sort((a, b) => b.position - a.position)
                .map(r => ({
                    name: r.name,
                    color: r.hexColor,
                    position: r.position,
                    hoist: r.hoist,
                    managed: r.managed,
                    permissions: r.permissions.toArray(),
                })),
            categories: guild.channels.cache
                .filter(c => c.type === 4) // GuildCategory
                .sort((a, b) => a.position - b.position)
                .map(cat => ({
                    name: cat.name,
                    position: cat.position,
                    channels: guild.channels.cache
                        .filter(c => c.parentId === cat.id)
                        .sort((a, b) => a.position - b.position)
                        .map(ch => ({
                            name: ch.name,
                            type: ch.type === 2 ? 'voice' : 'text',
                            position: ch.position,
                        })),
                })),
        };

        const json = JSON.stringify(backup, null, 2);
        const buffer = Buffer.from(json, 'utf-8');

        const embed = createEmbed({
            title: '💾 Server Backup',
            description: [
                `**Guild:** ${guild.name}`,
                `**Roles:** ${backup.roles.length}`,
                `**Categories:** ${backup.categories.length}`,
                `**Total Channels:** ${backup.categories.reduce((sum, c) => sum + c.channels.length, 0)}`,
            ].join('\n'),
            color: Colors.SUCCESS,
        });

        await message.reply({
            embeds: [embed],
            files: [{ attachment: buffer, name: `backup-${guild.name.replace(/\s+/g, '-')}-${Date.now()}.json` }],
        });
    },
};