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

const CONSTANTS = {
    INFRACTIONS: ['WARN', 'MUTE', 'KICK', 'SOFTBAN', 'BAN', 'VCMUTE', 'VCKICK', 'VCBAN']
};

class ModerationPointsSetting extends Setting {

    constructor(client) {

        super(client, {
            name: 'moderationPoints',
            module: 'moderation',
            aliases: [
                'moderationPoint',
                'modPoints',
                'modPoint'
            ],
            usage: '<action|method> [value]',
            resolve: 'GUILD',
            examples: [
                'modpoints kick points 5',
                'modpoints warn expire 2 weeks',
                'modpoints on',
                'modpoints multiplier on',
                'modpoints associate nsfw 5'
            ],
            default: {
                moderationPoints: {
                    enabled: false,
                    points: {
                        WARN: 0,
                        MUTE: 0,
                        KICK: 0,
                        SOFTBAN: 0,
                        BAN: 0,
                        VCMUTE: 0,
                        VCKICK: 0,
                        VCBAN: 0
                    },
                    expirations: {
                        WARN: 0,
                        KICK: 0,
                        MUTE: 0,
                        SOFTBAN: 0,
                        BAN: 0,
                        VCMUTE: 0,
                        VCKICK: 0,
                        VCBAN: 0
                    },
                    associations: {},
                    multiplier: false //expiration = expiration*points
                }
            },
            archivable: false
        });

    }

    async handle(message, args) {

        const setting = message.guild._settings[this.index];
        
        // eslint-disable-next-line prefer-const
        let [method, ...params] = args,
            index = null,
            langParams = {};
        method = method.toLowerCase();
        const { resolver } = this.client;

        if (resolver.resolveBoolean(method)) {
            setting.enabled = true;
            index = 'S_MODERATIONPOINTS_TOGGLE';
            langParams = { toggle: message.format('ON_OFF_TOGGLE', { toggle: true }, true) };
        } else if (resolver.resolveBoolean(method) === false) {
            setting.enabled = false;
            index = 'S_MODERATIONPOINTS_TOGGLE';
            langParams = { toggle: message.format('ON_OFF_TOGGLE', { toggle: false }, true) };
        } else if (method === 'multiplier') {

            const [bool] = params;
            if (resolver.resolveBoolean(bool)) setting.multiplier = true;
            else if (resolver.resolveBooeal(bool) === false) setting.multiplier = false;
            else return {
                error: true,
                msg: message.format('ERR_INVALID_SUBMETHOD', { submethod: bool })
            };
            
        } else if (method === 'associate') {

            const { method: submethod, changed } = await resolver.resolveMethod(params, { existing: Object.keys(setting.associations) });

            if (submethod === 'reset') {
                setting.associations = {};
                index = 'S_MODERATIONPOINTS_ASSOCIATE_RESET';
            } else if (submethod === 'remove') {

                for (const elem of changed) delete setting.associations[elem];
                index = 'S_MODERATIONPOINTS_REMOVE';
                langParams = { words: changed.join(', ') };

            } else {

                // eslint-disable-next-line prefer-const
                let [word, arg] = params;
                word = word.toLowerCase();
                const points = parseInt(arg);
                if (isNaN(points)) return { error: true, msg: message.format('S_MODERATIONPOINTS_NAN', { arg }) };
                if (points < 0) return { error: true, msg: message.format('S_MODERATIONPOINTS_TOOSMALL', { arg: points }) };
                if (points > 100) return { error: true, msg: message.format('S_MODERATIONPOINTS_TOOBIG', { arg: points }) };

                setting.associations[word] = points;
                index = 'S_MODERATIONPOINTS_ASSOCIATE';
                langParams = { word, points };

            }

        } else if (resolver.resolveInfraction(method)) { //CONSTANTS.INFRACTIONS.includes(method.toLowerCase())

            // eslint-disable-next-line prefer-const
            let [submethod, value] = params;
            submethod = submethod.toLowerCase();
            const infraction = resolver.resolveInfraction(method);
            if (!CONSTANTS.INFRACTIONS.includes(infraction)) return { error: true, msg: message.format('S_MODERATIONPOINTS_INVALID_TYPE', { infraction }) };

            if (['points', 'point', 'p'].includes(submethod) || !isNaN(parseInt(submethod))) {

                if (!value) value = submethod;
                const points = parseInt(value);
                if (isNaN(points)) return { error: true, msg: message.format('S_MODERATIONPOINTS_NAN', { arg: value }) };
                if (points < 0) return { error: true, msg: message.format('S_MODERATIONPOINTS_TOOSMALL', { arg: points }) };
                if (points > 100) return { error: true, msg: message.format('S_MODERATIONPOINTS_TOOBIG', { arg: points }) };

                setting.points[infraction] = points;
                index = 'S_MODERATIONPOINTS_ASSOCIATE';
                langParams = { word: infraction, points };

            } else if (['expire', 'expires'].includes(submethod)) {

                // eslint-disable-next-line require-unicode-regexp
                const timereg = /([0-9]{1,3}\s?[a-z]{1,7})|(0)/i;
                const { content } = message;

                if (!timereg.test(content)) return { error: true, msg: message.format('S_MODERATIONPOINTS_INVALID_TIMESTRING') };
                
                const match = content.match(timereg);
                const time = resolver.resolveTime(match[1]);

                if (time === null) return { error: true, msg: message.format('S_MODERATIONPOINTS_INVALID_TIMESTRING') };

                setting.expirations[infraction] = time;
                index = 'S_MODERATIONPOINTS_EXPIRE';
                langParams = { type: infraction, time: this.client.resolver.timeAgo(time) };

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

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

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

    }

    async fields(guild) {
        const setting = guild._settings[this.index];
        return [
            {
                name: '》 Status',
                value: guild.format('SETTING_STATUS', { bool: Boolean(setting?.enabled) }, true),
                inline: true  
            },
            {
                name: '》 Use points as multiplier for expiry',
                value: guild.format('SETTING_STATUS', { bool: Boolean(setting?.multiplier) }, true),
                inline: true
            },
            {
                name: '\u200b',
                value: '\u200b',
                inline: true
            },
            {
                name: '》 Default Points',
                value: Object.entries(setting.points).sort(([key], [key2]) => key.length - key2.length).map(([key, value]) => `**${key}:** \`${value}\``).join('\n'),
                inline: true
            },
            {
                name: '》 Default Expirations',
                value: Object.entries(setting.expirations).sort(([key], [key2]) => key.length - key2.length).map(([key, value]) => `**${key}:** \`${value ? this.client.resolver.timeAgo(value): 'N/A'}\``).join('\n'),
                inline: true
            },
            {
                name: '》 Word associations',
                value: Object.entries(setting.associations).map(([key, value]) => `**${key}:** \`${value}\``).join('\n') || '`N/A`',
                inline: true
            }
        ];
    }

}

module.exports = ModerationPointsSetting;