// ==UserScript==
// @name         Keylol Table Sort
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  对keylol琪露诺折扣贴表格按价格或折扣排序
// @author       冰雪聪明琪露诺
// @match        https://keylol.com/t*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    window.addEventListener('load', function() {
        const table = document.querySelector('.t_fsz table.t_table');
        if (!table) return;
        const priceHeaderCell = Array.from(table.querySelector('tr').cells).find(cell => cell.textContent.includes('商店价格'));
        if (!priceHeaderCell) return;
        const optionsContainer = document.createElement('div');
        optionsContainer.style.position = 'absolute';
        optionsContainer.style.display = 'none';
        optionsContainer.style.backgroundColor = 'white';
        optionsContainer.style.border = '1px solid #ccc';
        optionsContainer.style.padding = '5px';
        optionsContainer.style.zIndex = '100';
        const sortOptions = [
            '按价格排序（升序）',
            '按价格排序（降序）',
            '按折扣排序（升序）',
            '按折扣排序（降序）'
        ];
        sortOptions.forEach(optionText => {
            const option = document.createElement('div');
            option.textContent = optionText;
            option.style.cursor = 'pointer';
            option.style.padding = '5px';
            option.addEventListener('click', () => {
                sortTable(table, optionText);
                optionsContainer.style.display = 'none';
            });
            optionsContainer.appendChild(option);
        });
        priceHeaderCell.addEventListener('click', function() {
            const rect = this.getBoundingClientRect();
            const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
            const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
            optionsContainer.style.left = rect.left + scrollLeft + 'px';
            optionsContainer.style.top = rect.bottom + scrollTop + 'px';
            optionsContainer.style.display = optionsContainer.style.display === 'none' ? 'block' : 'none';
        });
        document.body.appendChild(optionsContainer);
    });
    function sortTable(table, optionText) {
        const rows = Array.from(table.rows).slice(1); // 排除表头
        const priceIndex = Array.from(table.rows[0].cells).findIndex(cell => cell.textContent.includes('商店价格'));
        let sortFunction;
        if (optionText === '按价格排序（升序）') {
            sortFunction = (a, b) => {
                const priceA = parseFloat(a.cells[priceIndex].textContent.match(/¥(\d+\.\d+)/)[1]);
                const priceB = parseFloat(b.cells[priceIndex].textContent.match(/¥(\d+\.\d+)/)[1]);
                return priceA - priceB;
            };
        } else if (optionText === '按价格排序（降序）') {
            sortFunction = (a, b) => {
                const priceA = parseFloat(a.cells[priceIndex].textContent.match(/¥(\d+\.\d+)/)[1]);
                const priceB = parseFloat(b.cells[priceIndex].textContent.match(/¥(\d+\.\d+)/)[1]);
                return priceB - priceA;
            };
        } else if (optionText === '按折扣排序（升序）') {
            sortFunction = (a, b) => {
                const discountA = parseFloat(a.cells[priceIndex].textContent.match(/-(\d+)%/)[1]);
                const discountB = parseFloat(b.cells[priceIndex].textContent.match(/-(\d+)%/)[1]);
                return discountA - discountB;
            };
        } else if (optionText === '按折扣排序（降序）') {
            sortFunction = (a, b) => {
                const discountA = parseFloat(a.cells[priceIndex].textContent.match(/-(\d+)%/)[1]);
                const discountB = parseFloat(b.cells[priceIndex].textContent.match(/-(\d+)%/)[1]);
                return discountB - discountA;
            };
        }
        rows.sort(sortFunction);
        while (table.rows.length > 1) {
            table.deleteRow(1);
        }
        rows.forEach(row => table.appendChild(row));
    }
})();