// ==UserScript==
// @name        Steam Market - Delete ALL lots
// @namespace   Shmurdik
// @version     0.3
// @description Steam Market - Delete ALL lots
// @author      Shmurdik
// @match       https://steamcommunity.com/market/
// @match       https://steamcommunity.com/market/listings/*
// @grant       none
// ==/UserScript==

(function() {
    'use strict';
    if(typeof(Storage) == "undefined") {alert("Sorry, your browser does not support web storage..."); return;}

    $J('#tabContentsMyListings').before('<a href="#delete_all_lots" class="item_market_action_button item_market_action_button_edit nodisable"><span id="delete_all_lots" class="item_market_action_button_contents"> Удалить ВСЕ лоты </span></a>');

    if(localStorage.steammarketdeletealllotsinprogress) {DeleteCurrentLots();}

    function DeleteCurrentLots(){
        $J(document).bind( "dblclick", function() {
            if(confirm("Отмена?")) {localStorage.removeItem("steammarketdeletealllotsinprogress"); location.reload();}
        });
        localStorage.steammarketdeletealllotsinprogress = 1;
        var deleted = 0;
        var total = $J('#tabContentsMyActiveMarketListingsTable').find('div.market_listing_cancel_button').length;
        if(total <= 0) { alert('Not found lots. Nothing to do.'); localStorage.removeItem("steammarketdeletealllotsinprogress"); return false; }
        var modal = ShowBlockingWaitDialog( 'Выполнение...', 'Пожалуйста, подождите пока выполнятся все запросы. Ошибки игнорируются.' );
        var requests = 0;
        var requestsStep = 5;
        var intervalId = setInterval(function() {
            $J('#tabContentsMyActiveMarketListingsTable').find('div.market_listing_cancel_button').slice(requests, requests + requestsStep).each(function(i, el){
                var res = $J(this).html().match(/RemoveMarketListing\('[\/]?mylisting', '(\d+)', (\d+), '(\d+)', '(\d+)'/i);
                if(!res) {res = $J(this).html().match(/type="checkbox" class="lfremove" data-listingid="(\d+)"/i);}
                if(res){
                    jQuery.post('//steamcommunity.com/market/removelisting/'+res[1],
                                {sessionid: g_sessionID}
                    ).always(function(data){
                        deleted++;
                        modal.Dismiss();
                        if(deleted >= total)
                        {
                            modal = ShowBlockingWaitDialog( 'Выполнение...', 'Текущая страница завершена. Перезагрузка через 5 секунд..' );
                            clearInterval(intervalId);
                            setTimeout(function() { location.reload(); }, 5000);
                        }
                        else
                        {
                            modal = ShowBlockingWaitDialog( 'Выполнение...', 'Удалено <b>' + deleted + '</b> из ' + total + '.' );
                        }
                    });
                }
                else
                {
                    modal.Dismiss();
                    modal = ShowBlockingWaitDialog( 'Ошибка!', 'Не найдена страница с лотами.' );
                }
            });
            requests += requestsStep;
            if(requests >= total) {
                clearInterval(intervalId);
            }
        }, 2000);
    }
    $J("#delete_all_lots").click(function(){
        if(confirm("Удалить ВСЕ лоты?")) {DeleteCurrentLots();}
    });
})();