"use strict";

class trdom_servermanager {

    #logcb;
    #log(loglevel, msg) {
        if (this.#logcb !== null) {
            this.#logcb('trdom_servermanager', loglevel, msg);
        }
    }

    #servers = {};
    getServers() {
        return this.#servers;
    }

    #registerServer;

    #loadcb;
    #loadServers() {
        let serverjson = this.#loadcb('servers');
        this.#servers = {};
        if (serverjson == null) {
            this.#log(4, 'No saved server data found');
        }
        else {
            let serverdata = JSON.parse(serverjson);
            for (const [key, value] of Object.entries(serverdata)) {
                this.#registerServer(key, value);
            }
            this.#log(5, `Loaded ${Object.keys(this.#servers).length} servers`);
        }
    }
    loadServers() {
        this.#loadServers();
    }
    
    #savecb;
    #saveServers() {
        let serverdata = {};
        for (const [key, value] of Object.entries(this.#servers)) {
            serverdata[key] = value.getInstanceData();
        }
        this.#log(5, `Saving ${Object.keys(serverdata).length} servers`);
        this.#savecb('servers', JSON.stringify(serverdata));
    }
    saveServers() {
        this.#saveServers();
    }

    constructor (loadcb = null, savecb = null, logcb = null, registerServer = null) {
        this.#loadcb = loadcb;
        this.#savecb = savecb;
        this.#logcb = logcb

        this.#registerServer = registerServer;

        //this.#servers = this.#loadServers();
    }
}