// ==UserScript==
// @name         Keylol Table Sort
// @namespace    http://tampermonkey.net/
// @version      0.30
// @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';
    let currentOptionsContainer = null;

    function setupSort() {
        if (currentOptionsContainer) {
            currentOptionsContainer.remove();
            currentOptionsContainer = null;
        }
        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'));
        const reviewHeaderCell = Array.from(table.querySelector('tr').cells).find(cell => cell.textContent.includes('游戏评价'));
        if (!priceHeaderCell || !reviewHeaderCell) return;

        currentOptionsContainer = document.createElement('div');
        Object.assign(currentOptionsContainer.style, {
            position: 'absolute',
            display: 'none',
            backgroundColor: 'white',
            border: '1px solid #ccc',
            padding: '5px',
            zIndex: '100'
        });
        currentOptionsContainer.className = 'keylol-sort-options';

        const priceSortOptions = [
            { text: '按价格排序（升序）', fn: (a, b, idx) => parseFloat(a.cells[idx].textContent.match(/¥(\d+\.\d+)/)[1]) - parseFloat(b.cells[idx].textContent.match(/¥(\d+\.\d+)/)[1]) },
            { text: '按价格排序（降序）', fn: (a, b, idx) => parseFloat(b.cells[idx].textContent.match(/¥(\d+\.\d+)/)[1]) - parseFloat(a.cells[idx].textContent.match(/¥(\d+\.\d+)/)[1]) },
            { text: '按折扣排序（升序）', fn: (a, b, idx) => parseFloat(a.cells[idx].textContent.match(/-(\d+)%/)[1]) - parseFloat(b.cells[idx].textContent.match(/-(\d+)%/)[1]) },
            { text: '按折扣排序（降序）', fn: (a, b, idx) => parseFloat(b.cells[idx].textContent.match(/-(\d+)%/)[1]) - parseFloat(a.cells[idx].textContent.match(/-(\d+)%/)[1]) }
        ];

        const reviewSortOptions = [
            { text: '按好评率排序（升序）', fn: (a, b, idx) => {
                const ratingA = parseFloat(a.cells[idx].textContent.match(/(\d+)%/)[1]);
                const ratingB = parseFloat(b.cells[idx].textContent.match(/(\d+)%/)[1]);
                return ratingA === ratingB ?
                    parseInt(a.cells[idx].textContent.match(/(\d+)篇/)[1]) - parseInt(b.cells[idx].textContent.match(/(\d+)篇/)[1]) :
                    ratingA - ratingB;
            } },
            { text: '按好评率排序（降序）', fn: (a, b, idx) => {
                const ratingA = parseFloat(a.cells[idx].textContent.match(/(\d+)%/)[1]);
                const ratingB = parseFloat(b.cells[idx].textContent.match(/(\d+)%/)[1]);
                return ratingA === ratingB ?
                    parseInt(b.cells[idx].textContent.match(/(\d+)篇/)[1]) - parseInt(a.cells[idx].textContent.match(/(\d+)篇/)[1]) :
                    ratingB - ratingA;
            } },
            { text: '按评测数排序（升序）', fn: (a, b, idx) => parseInt(a.cells[idx].textContent.match(/(\d+)篇/)[1]) - parseInt(b.cells[idx].textContent.match(/(\d+)篇/)[1]) },
            { text: '按评测数排序（降序）', fn: (a, b, idx) => parseInt(b.cells[idx].textContent.match(/(\d+)篇/)[1]) - parseInt(a.cells[idx].textContent.match(/(\d+)篇/)[1]) }
        ];

        const showOptions = (headerCell, options, index) => {
            headerCell.addEventListener('click', function() {
                currentOptionsContainer.innerHTML = '';
                options.forEach(option => {
                    const opt = document.createElement('div');
                    opt.textContent = option.text;
                    opt.style.cursor = 'pointer';
                    opt.style.padding = '5px';
                    opt.addEventListener('click', () => {
                        sortTable(table, option.fn, index);
                        currentOptionsContainer.style.display = 'none';
                    });
                    currentOptionsContainer.appendChild(opt);
                });
                const rect = this.getBoundingClientRect();
                const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
                const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
                currentOptionsContainer.style.left = rect.left + scrollLeft + 'px';
                currentOptionsContainer.style.top = rect.bottom + scrollTop + 'px';
                currentOptionsContainer.style.display = 'block';
            });
        };

        const priceIndex = Array.from(table.rows[0].cells).findIndex(cell => cell.textContent.includes('商店价格'));
        const reviewIndex = Array.from(table.rows[0].cells).findIndex(cell => cell.textContent.includes('游戏评价'));
        showOptions(priceHeaderCell, priceSortOptions, priceIndex);
        showOptions(reviewHeaderCell, reviewSortOptions, reviewIndex);

        document.body.appendChild(currentOptionsContainer);
    }

    function sortTable(table, sortFunction, index) {
        const rows = Array.from(table.rows).slice(1);
        rows.sort((a, b) => sortFunction(a, b, index));
        while (table.rows.length > 1) {
            table.deleteRow(1);
        }
        rows.forEach(row => table.appendChild(row));
    }

    document.body.addEventListener('click', function(e) {
        if (e.target.closest('.tindex li, div[style*="text-align: center;margin-top: 10px;"] a')) {
            setTimeout(setupSort, 1000);
        }
    });

    setTimeout(setupSort, 1000);
})();