// ==UserScript==
// @name         Wish.com - Price filter & more
// @namespace    http://tampermonkey.net/
// @version      2.3
// @description  Filtering by min/max price & allow hidding free products
// @author       Shuunen, obscenelysad@gmail.com
// @match        https://*.wish.com/*
// @grant        none
// @downloadURL none
// ==/UserScript==

$(document).ready(function() {

    console.log('wish price filter : init');

    // Returns a function, that, as long as it continues to be invoked, will not
    // be triggered. The function will be called after it stops being called for
    // N milliseconds. If `immediate` is passed, trigger the function on the
    // leading edge, instead of the trailing.
    function debounce(func, wait, immediate) {
        var timeout;
        return function() {
            var context = this, args = arguments;
            var later = function() {
                timeout = null;
                if (!immediate) func.apply(context, args);
            };
            var callNow = immediate && !timeout;
            clearTimeout(timeout);
            timeout = setTimeout(later, wait);
            if (callNow) func.apply(context, args);
        };
    }

    function showHideProducts() {
        // hide already rated products in order hsitory
        $('.edit-rating-button').parents('.transaction-expanded-row-item').hide();
        // hide products that can't be rated
        $('.late-box').parents('.transaction-expanded-row-item').hide();
        console.log('wish price filter : showHideProducts');
        var minPrice = parseInt($("#wtc_min_price").val()) || 0;
        var maxPrice = parseInt($("#wtc_max_price").val()) || 1000;
        var hideFree = $("#wtc_hide_free").is(':checked');
        sessionStorage.wishHidefree = hideFree;
        // console.log('wish price filter : hide free items ?', hideFree);
        var items = $(".feed-actual-price");
        $.each( items, function() {
            var price = $(this).text().replace(/\D/g,'');
            var priceOk = (price <= maxPrice);
            if(minPrice && minPrice > 0){
                priceOk = priceOk && (price >= minPrice);
            }
            if(priceOk && hideFree && this.textContent.includes('Free')){
                priceOk = false;
            }
            $(this).parent().parent().parent().parent().toggle(priceOk);
        });
    }

    if ($("#nav-search").length > 0){
        $('#mobile-app-buttons').hide();
        $('#nav-search-input-wrapper').width(320);
        var html = '<div id="wish_tweaks_config" style="float:left;margin-top:10px;display:flex;justify-content:space-between;width:280px;align-items:center;font-weight: bold;font-size: 13px;font-family: sans-serif;color: white;background-color: steelblue;padding:6px 12px;border-radius: 5px;">';
        html += 'Min / Max Price : <input id="wtc_min_price" type="text" style="width: 30px; margin-left: 5px;">&nbsp;/<input id="wtc_max_price" type="text" style="width: 30px; margin-left: 5px;">';
        html += '<div style="margin-left: auto"></div>';
        html += 'Hide free : <input id="wtc_hide_free" type="checkbox" checked style="margin: 0; height: 16px; width: 16px; margin-left: 5px;">';
        html += '</div>';
        $("#header-left").after(html);
    }

    // restore previous choices
    var hideFreeCheckbox = $("#wtc_hide_free");
    hideFreeCheckbox.attr('checked', (sessionStorage.wishHidefree === 'true'));

    // prepare a debounced function
    var showHideProductsDebounced = debounce(showHideProducts, 500);

    // trigger twice by default
    showHideProductsDebounced();
    setTimeout(showHideProductsDebounced, 1000);

    // when window is scrolled
    window.onscroll = showHideProductsDebounced;

    // when input value change
    $("#wtc_hide_free").change(showHideProductsDebounced);
    $("#wtc_min_price").keydown(showHideProductsDebounced);
    $("#wtc_max_price").keydown(showHideProductsDebounced);

});