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

class ProtectionSetting extends Setting {

    constructor(client) {

        super(client, {
            name: 'protection',
            module: 'administration',
            usage: "<'type'|'add'|'remove'> <'role'|'position'|role..>",
            examples: [
                'protection type <role|position>',
                'protection add <role..>',
                'protection remove <role..>'
            ],
            resolve: 'GUILD',
            default: {
                protection: {
                    type: 'position',
                    roles: []
                }
            },
            custom: true
        });

    }

    async handle(message, params) {

        const { guild } = message;
        const { resolver } = this.client;
        const setting = guild._settings[this.index];

        let method = params[0].toLowerCase(),
            index = null;
        
        const langParams = {};

        if (method === 'type') {

            if (!params[1]) return {
                error: true,
                msg: message.format('MISSING_ARGS')
            };

            const value = params[1].toLowerCase();
            if (!['role', 'position'].includes(value)) return { error: true, msg: message.format('S_PROTECTION_INVALID_ARGS') };
            setting.type = value;

            index = 'S_PROTECTION_TYPE';
            langParams.type = value;

        } else {

            const response = await resolver.resolveMethod(params, { existing: setting.roles, resolver: resolver.resolveRoles.bind(resolver), guild });
            if (!response) return { error: true, msg: message.format('ERR_INVALID_METHOD', { method }) };
            ({ method } = response);
            if (method !== 'list' && !response.resolved.length) return { error: true, msg: message.format('ERR_ROLERESOLVE') };

            if (method === 'add') {

                setting.roles = response.result;
                setting.enabled = true;
                
                index = 'S_PROTECTION_ADD';
                langParams.changes = response.resolved.filter((r) => response.changed.includes(r.id)).map((r) => r.name).join('`, `');
                
            } else if (method === 'remove') {

                setting.roles = response.result;
                setting.enabled = setting.roles.length && true;

                index = 'S_PROTECTION_REMOVE';
                langParams.changes = response.resolved.filter((r) => response.changed.includes(r.id)).map((r) => r.name).join('`, `');

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

                setting.roles = response.result;
                setting.enabled = true;

                index = 'S_PROTECTION_SET';
                langParams.changes = response.resolved.filter((r) => response.changed.includes(r.id)).map((r) => r.name).join('`, `');

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

                index = 'S_AUTOROLE_LIST';
                langParams.list = response.resolved.map((r) => r.name).join(', ');

            }

        }

        await 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?.roles ? await Promise.all(setting.roles.map(async (role) => guild.resolveRole(role))) : undefined;
        return [
            {
                name: '》 Type',
                value: `\`${setting.type}\``,
                inline: true
            }, {
                name: '》 Roles',
                value: roles?.map((r) => `<@&${r.id}>`).join(' ') || '`N/A`',
                inline: true
            }
        ];
    }

}

module.exports = ProtectionSetting;