"use strict";

class trtorrent extends EventTarget {
    #element = document.createElement('div');
    get element() {
        return this.#element;
    }

    #hash;
    #name;
    get name() {
        return this.#name == null ? this.#hash : this.#name;
    }
    set name(value) {
        this.#name = value;
        nukeChildren(this.element.element_name);
        this.element.element_name.appendChild(document.createTextNode(this.name));
    }
    #magnetLink;
    get magnet() {
        return this.#magnetLink;
    }

    #serverControls = {};
    addControl(srv, control) {
        this.#serverControls[srv] = control;
        this.#element.appendChild(control.element);
        control.addEventListener('torrent-updated', this);
    }
    getControl(srv) {
        return this.#serverControls[srv];
    }

    #servers = {};
    getStatus(srv) {
        return this.#servers[srv];
    }
    setStatus(srv, status) {
        this.#servers[srv] = status;
    }

    handleEvent(e) {
        switch (e.type) {
        case 'click':
            if (e.currentTarget.hasAttributeNS('trweb', 'torrentlistfield')) {
                switch (e.currentTarget.getAttributeNS('trweb', 'torrentlistfield')) {
                case 'entry':
                    e.currentTarget.classList.toggle('trweb_hide_buttons');
                    e.stopPropagation();
                    break;
                }
            }
            break;
        case 'torrent-updated':
            if (this.#name == null) {
                this.name = e.detail.torrentInfo.name;
                let nameChangeEvent = new CustomEvent('torrent-renamed', {
                    detail: {
                        torrentHash: this.#hash
                    }
                });
                this.dispatchEvent(nameChangeEvent);
            }
            break;
        }
    }

    constructor(hash, magnet = null) {
        super();
        this.#hash = hash;
        this.#magnetLink = magnet;

        // set up DOM structure
        let element_name = document.createElement('div');
        element_name.classList.add('trweb_torrentlistname', 'col');
        element_name.setAttributeNS('trweb', 'fieldid', 'displayname');

        this.#element.torrent = this;
        this.#element.classList.add('trweb_torrentlistentry', 'trweb_hide_buttons', 'row');
        this.#element.setAttributeNS('trweb', 'torrentlistfield', 'entry');
        this.#element.addEventListener('click', this);
        this.#element.element_name = element_name;
        this.#element.appendChild(element_name);
    }
}