const { Observer } = require('../../../interfaces/');
const { Util } = require('../../../../util');

const CONSTANTS = {};

class UtilityHook extends Observer {

    constructor(client) {

        super(client, {
            name: 'utility',
            priority: 3
        });

        this.hooks = [
            ['guildMemberAdd', this.welcome.bind(this)],
            ['guildMemberAdd', this.autorole.bind(this)]
        ];

    }

    async stickyRole(member) {

        const { guild } = member;
        const settings = await guild.settings();
        const setting = settings.stickyRole;
        if(!setting.enabled) return;

    }

    async autorole(member) {

        const { guild } = member;
        const settings = await guild.settings();
        const setting = settings.autorole;
        if (!setting.enabled) return;
        if (!guild.me.hasPermission('MANAGE_ROLES')) return;

        const _roles = await guild.resolveRoles(setting.roles);
        const roles = _roles.map((r) => r.id);
        await member.roles.add(roles, 'Adding autoroles').catch(this.client.logger.error);

    }

    async welcome(member) {

        const { guild, user } = member;
        const settings = await guild.settings();
        const setting = settings.welcomer;
        if (!setting.enabled) return;
        
        const channel = await user.createDM();
        const message = this._replaceTags(setting.message, member);
        await channel.send(message).catch();

    }

    _replaceTags(text, member) {
        const { user, guild } = member;
        return text
            .replace(/\{mention\}/gu, `<@${member.id}>`)
            .replace(/\{tag\}/gu, Util.escapeMarkdown(user.tag))
            .replace(/\{user\}/gu, Util.escapeMarkdown(user.username))
            .replace(/\{guildsize\}/gu, guild.memberCount)
            .replace(/\{guildname\}/gu, guild.name)
            .replace(/\{accage\}/gu, this.client.resolver.timeAgo(Date.now()/1000 - user.createdTimestamp/1000)) //.replace(/a/, '1')
            .replace(/\{id\}/gu, user.id)
            .trim();
    }

}

module.exports = UtilityHook;