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

class IgnoreSetting extends Setting {

    constructor(client) {

        super(client, {
            name: 'ignore',
            module: 'utility',
            aliases: [
                'channelignore',
                'ignorechannel'
            ],
            usage: '<method|value> [value..]',
            examples: [
                'ignore add #channel',
                'ignore remove #channel',
                'ignore bypass add role',
                'ignore bypass remove role'
            ],
            guarded: false,
            resolve: 'GUILD',
            default: {
                ignore: {
                    channels: [],
                    enabled: false,
                    roleBypass: []
                }
            },
            custom: true
        });

        this.client = client;

    }

    async handle(message, params) {

        let index = null,
            langParams = {},
            method = null;
        
        const setting = message.guild._settings[this.index] || this.default[this.index];
        const { guild } = message;
        const { resolver } = this.client;
        const response = await resolver.resolveMethod(params, null, setting.channels, resolver.resolveChannels.bind(resolver), guild);

        if (!response) method = params.shift();
        else ({ method } = response);

        if (method === 'add') {

            const channels = response.resolved;
            setting.channels = response.result;
            setting.enabled = true;

            index = 'S_IGNORE_ADD';
            const changed = channels.filter(c => response.changed.includes(c.id)).map(c => c.name).join('`, `');
            langParams.changes = changed.length ? changed : 'N/A';

        } else if (method === 'remove') {

            const channels = response.resolved;
            setting.channels = response.result;
            setting.enabled = setting.channels.length && true;

            index = 'S_IGNORE_REMOVE';
            const changed = channels.filter(c => response.changed.includes(c.id)).map(c => c.name).join('`, `');
            langParams.changes = changed.length ? changed : 'N/A';

        } else if (method === 'list') {

            const roles = await resolver.resolveRoles(setting.roleBypass, false, guild);

            index = 'S_IGNORE_LIST';
            const ch = response.resolved ? response.resolved?.map(c => c.name).join('`, `') : '';
            const r = roles.length ? roles.map(r => r.name).join('`, `') : '';
            langParams.channels = ch.length ? ch : 'N/A';
            langParams.roles = r.length ? r : 'N/A';

        } else if (method === 'set') {

            const channels = response.resolved;
            setting.channels = channels.map(c => c.id);
            setting.enabled = channels.length && true;

            index = 'S_IGNORE_SET';
            const ch = channels.map(c => c.name).join('`, `');
            langParams.changes = ch.length ? ch : 'N/A';

        } else if (method === 'bypass') {

            const response = await resolver.resolveMethod(params, null, setting.roleBypass, resolver.resolveRoles.bind(resolver), guild);

            if (response.method === 'add') {

                const roles = response.resolved;
                setting.roleBypass = response.result;

                index = 'S_IGNORE_BYPASS_ADD';
                const changed = roles.filter(r => response.changed.includes(r.id)).map(r => r.name).join('`, `');
                langParams.changes = changed.length ? changed : 'N/A';

            } else if (response.method === 'remove') {

                const roles = response.resolved;
                setting.roleBypass = response.result;

                index = 'S_IGNORE_BYPASS_REMOVE';
                const changed = roles.filter(r => response.changed.includes(r.id)).map(r => r.name).join('`, `');
                langParams.changes = changed.length ? changed : 'N/A';

            } else return { error: true, msg: message.format('ERR_INVALID_SUBMETHOD', { submethod: params[0] }) }

        } else return { error: true, msg: message.format('ERR_INVALID_METHOD', { method }) };

        await message.guild._updateSettings({ [this.index]: setting });
        return { error: false, msg: message.format(index, langParams) };

    }

    async fields(guild) {
        const setting = guild._settings[this.index];
        const roles = setting?.roleBypass ? await Promise.all(setting.roleBypass.map(async (role) => guild.resolveRole(role))) : undefined;
        const channels = setting?.channels ? guild.resolveChannels(setting.channels) || undefined : undefined;

        return [
            {
                name: '》Enabled',
                value: setting?.enabled || 'false'
            }, {
                name: '》Channels',
                value: channels?.map(c => c.name).join(', ') || 'N/A'
            }, {
                name: '》Roles',
                value: roles?.map(r => r.name).join(', ') || 'N/A'
            }
        ];

    }

}

module.exports = IgnoreSetting;