const { Setting } = require('../../../../interfaces/');

class NicknameLogs extends Setting {

    constructor(client) {

        super(client, {
            name: 'nicknameLog',
            module: 'moderation',
            aliases: [
                'nicknameLogs',
                'nickLog',
                'nickLogs'
            ],
            usage: '<value>',
            resolve: 'GUILD',
            examples: [
                'nicklogs reset',
                'nicklogs off',
                'nicklogs #channel'
            ],
            default: {
                nicknameLog: {
                    channel: null
                }
            }
        });

        this.client = client;

    }

    async handle(message, params) {

        // eslint-disable-next-line init-declarations
        let index, changes, action;
        // eslint-disable-next-line prefer-const
        let [method, ...args] = params;
        method = method.toLowerCase();

        const setting = message.guild._settings[this.index] || this.default[this.index];
        const { guild } = message;

        if (this.client.resolver.resolveBoolean(method) === false) {

            setting.channel = null;
            index = 'S_NICKNAMELOG_TOGGLE'
            changes = message.format('ON_OFF_TOGGLE', { toggle: false }, true);

        } else {

            const channel = await guild.resolveChannel(method);
            if (!channel) return {
                msg: message.format('ERR_CHANNEL_RESOLVE', { resolveable: method }),
                error: true
            };
            if(channel.type !== 'text') return {
                error: true,
                msg: message.format('ERR_CHANNEL_TYPE', { type: channel.type })
            };
            
            const perms = channel.permissionsFor(guild.me);
            const missingPerms = [];
            if(!perms.has('SEND_MESSAGES')) missingPerms.push('SEND_MESSAGES');
            if(!perms.has('VIEW_CHANNEL')) missingPerms.push('VIEW_CHANNEL');
            
            if(missingPerms.length) return {
                error: true,
                msg: message.format('ERR_CHANNEL_PERMS', { channel: channel.name, perms: missingPerms.join(', ') })
            };

            index = 'S_NICKNAMELOG_CHANNEL';
            changes = channel.name;
            setting.channel = channel.id;

        }

        await message.guild._updateSettings({ [this.index]: setting });
        return {
            msg: message.format(index, { changed: changes || '', action: message.format(action) })
        };

    }

    async fields(guild) {
        const setting = guild._settings[this.index];
        return [
            {
                name: '》Channel',
                value: await guild.resolveChannel(setting?.channel) || '`N/A`',
                inline: true
            }
        ];
    }

}

module.exports = NicknameLogs;