import fs from 'fs';

interface Role {
    id: string;
    name: string;
}

interface RolesConfig {
    helperroles: Role[];
    educationroles: Role[];
    languageroles: Role[];
    locationroles: Role[];
    pingroles: Role[];
}

interface Birthday {
    day: number;
    month: number;
    timezone?: string;
}

interface BirthdaysConfig {
    [userId: string]: Birthday;
}

interface ReplyTextConfig {
    [key: string]: string;
}

export default class Config {
    private roles: RolesConfig | null;
    private replyText: ReplyTextConfig | null;
    private bdays: BirthdaysConfig | null;

    constructor() {
        this.roles = null;
        this.replyText = null;
        this.bdays = null;

        this.loadConfig();
    }

    async loadConfig(): Promise<void> {
        let rawdata: Buffer;

        // Load the roles.json file
        rawdata = fs.readFileSync('./config/roles.json');
        this.roles = JSON.parse(rawdata.toString());

        rawdata = fs.readFileSync('./config/replytext.json');
        this.replyText = JSON.parse(rawdata.toString());

        rawdata = fs.readFileSync('./storage/bdays.json');
        this.bdays = JSON.parse(rawdata.toString());
    }

    getRoles(): RolesConfig | null { return this.roles; }
    getHelperRoles(): Role[] { return this.roles?.helperroles || []; }
    getEducationRoles(): Role[] { return this.roles?.educationroles || []; }
    getLanguageRoles(): Role[] { return this.roles?.languageroles || []; }
    getLocationRoles(): Role[] { return this.roles?.locationroles || []; }
    getPingRoles(): Role[] { return this.roles?.pingroles || []; }

    getReplyText(): ReplyTextConfig | null { return this.replyText; }

    getBdays(): BirthdaysConfig | null { return this.bdays; }
    getBday(userId: string): Birthday | null {
        return this.bdays?.[userId] || null;
    }
    setBday(userId: string, bday: Birthday): void {
        if (!this.bdays) this.bdays = {};
        this.bdays[userId] = bday;
        fs.writeFileSync('./storage/bdays.json', JSON.stringify(this.bdays, null, 2));
    }
    removeBday(userId: string): void {
        if (this.bdays?.[userId]) {
            delete this.bdays[userId];
            fs.writeFileSync('./storage/bdays.json', JSON.stringify(this.bdays, null, 2));
        }
    }
}