"use strict";

class trweb {
    #needsSort = false;

    #loadcb = function(key) {return localStorage.getItem(`trweb.${key}`)};
    #savecb = function(key, value) {localStorage.setItem(`trweb.${key}`, value)};
    #logger = function(msg) {};
    #logcb = function(module, loglevel, msg) {
        if (loglevel <= 5) {
            this.#logger(`${module}: ${msg}`);
        }
    }.bind(this);
    #log(loglevel, msg) {
        if (this.#logcb !== null) {
            this.#logcb('TRWEB', loglevel, msg);
        }
    }

    #timer;


    #container;
    #guiFooter;

    #dom_menubar = new trdom_menubar();
    #dom_servermanager;
    #dom_torrentmanagger;

    constructor (container, loadcb, savecb, logger) {
        this.#container = container;
        if (loadcb != null) {
            this.#loadcb = loadcb;
            this.#savecb = savecb;
        }
        if (logger != null) {
            this.#logger = logger;
        }

        this.#dom_servermanager = new trdom_servermanager(this.#loadcb, this.#savecb, this.#logcb);
        this.#dom_torrentmanagger = new trdom_torrentmanager(this.#logcb);

        /* trdom_torrentmanager uses this to add new server controls to existing torrents */
        this.#dom_servermanager.addEventListener('torrentserver-added', this.#dom_torrentmanagger);
        this.#dom_servermanager.addEventListener('torrent-created', this.#dom_torrentmanagger);

        this.#dom_menubar.addMenuNode('servermanager', this.#dom_servermanager.menuentry);

        this.#guiFooter = document.createElement('div');
        this.#guiFooter.classList.add('trweb_footer');

        if (document.readyState === 'complete' || document.readyState === 'interactive') {
            this.#logger('Document already loaded, jumpstarting');
            // we don't want to re-trigger every listener, so call handler directly instead of dispatching an event
            this.handleEvent({'type': 'DOMContentLoaded'});
        }
        else {
            this.#logger('Waiting for document to load');
            document.addEventListener('DOMContentLoaded', this);
        }
    }

    handleEvent(e) {
        this.#log(6, `Handling event of type ${e.type}`);
        switch (e.type) {
        case 'DOMContentLoaded':
            this.#logger('Activating TRWEB instance');
            
            this.#container = document.getElementById(this.#container);
            this.#container.classList.add('trweb_container', 'd-flex', 'flex-column', 'h-100');
            this.#container.appendChild(this.#dom_menubar.element);
            this.#container.appendChild(this.#dom_torrentmanagger.element);
            this.#container.appendChild(this.#guiFooter);
            
            this.#dom_servermanager.loadServers();
            this.setTimer();
            break;
        default:
            this.#log(5, `Event type ${e.type} not supported`);
            break;
        }
    }

    refresh() {
        this.#log(6,'Refresh');
        for (const [key, value] of Object.entries(this.#dom_servermanager.getServers())) {
            value.refreshTorrentList();
        }
    }

    #timercb = function() {
        this.#log(6,'Timer tick');
        this.refresh();
    }.bind(this);

    setTimer() {
        this.#timer = window.setInterval(this.#timercb, 2000);
    }

    haltTimer() {
        window.clearInterval(this.#timer);
    }

    save() {
        this.#dom_servermanager.saveServers();
    }

    rpc(server, method, args) {
        this.#dom_servermanager.getServers()[server].rpccall_debug(method, args);
    }

    addServer(name, url, user, pass) {
        this.#dom_servermanager.addServer(name, url, user, pass);
    }
}

var trinstance = new trweb('trcontainer', null, null, function(msg) {console.info(`TRWEB: ${msg}`)});
//var trinstance = new trweb('trcontainer', null, null, null);