class InterfaceDataTable extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
        this.data = [];
        this.filteredData = [];
        this.selectedRows = new Set();
        this.searchKeyword = '';
        this.filters = {
            planeName: '',
            ataName: '',
            structName: ''
        };
        this.pageSize = 10;
        this.currentPage = 1;
        this.isLoading = false;
        this.filterTimeout = null;
        this.eventListeners = new Map(); // 存储事件监听器
        this.debouncedFilter = this.debounce(this.filterData.bind(this), 300);
    }

    connectedCallback() {
        this.render();
        this.addEventListeners();
    }

    addEventListeners() {
        const selectAllCheckbox = this.shadowRoot.querySelector('#selectAll');
        const rowCheckboxes = this.shadowRoot.querySelectorAll('.row-checkbox');
        const editButtons = this.shadowRoot.querySelectorAll('.edit-btn');
        const deleteButtons = this.shadowRoot.querySelectorAll('.delete-btn');

        selectAllCheckbox.addEventListener('change', (e) => {
            const isChecked = e.target.checked;
            rowCheckboxes.forEach(checkbox => {
                checkbox.checked = isChecked;
                const index = parseInt(checkbox.dataset.index);
                if (isChecked) {
                    this.selectedRows.add(index);
                } else {
                    this.selectedRows.delete(index);
                }
            });
        });

        rowCheckboxes.forEach(checkbox => {
            checkbox.addEventListener('change', (e) => {
                const index = parseInt(e.target.dataset.index);
                if (e.target.checked) {
                    this.selectedRows.add(index);
                } else {
                    this.selectedRows.delete(index);
                }
                selectAllCheckbox.checked = this.selectedRows.size === rowCheckboxes.length;
            });
        });

        editButtons.forEach(button => {
            button.addEventListener('click', (e) => {
                const index = parseInt(e.target.dataset.index);
                const item = this.filteredData[index];
                this.dispatchEvent(new CustomEvent('edit', {
                    detail: item,
                    bubbles: true,
                    composed: true
                }));
            });
        });

        deleteButtons.forEach(button => {
            button.addEventListener('click', (e) => {
                const index = parseInt(e.target.dataset.index);
                const item = this.filteredData[index];
                if (confirm(`确定要删除接口 "${item.InterfaceName}" 吗？`)) {
                    this.dispatchEvent(new CustomEvent('delete', {
                        detail: item,
                        bubbles: true,
                        composed: true
                    }));
                }
            });
        });

        // 监听搜索事件
        this.addEventListener('search', async (e) => {
            this.searchKeyword = e.detail.keyword.toLowerCase();
            await this.filterData();
        });

        // 监听重置搜索事件
        this.addEventListener('reset-search', async () => {
            // 重置所有筛选条件
            this.searchKeyword = '';
            this.filters = {
                planeName: '',
                ataName: '',
                structName: ''
            };
            // 恢复原始数据
            this.filteredData = [...this.data];
            // 重新渲染表格
            this.render();
        });

        // 监听高级搜索事件
        this.addEventListener('advanced-search', async (e) => {
            this.filters = e.detail;
            await this.filterData();
        });

        // 添加分页事件监听器
        const firstPageBtn = this.shadowRoot.querySelector('#firstPage');
        const prevPageBtn = this.shadowRoot.querySelector('#prevPage');
        const nextPageBtn = this.shadowRoot.querySelector('#nextPage');
        const lastPageBtn = this.shadowRoot.querySelector('#lastPage');
        const pageSizeSelect = this.shadowRoot.querySelector('#pageSize');

        if (firstPageBtn) {
            firstPageBtn.addEventListener('click', () => this.setPage(1));
        }
        if (prevPageBtn) {
            prevPageBtn.addEventListener('click', () => this.setPage(this.currentPage - 1));
        }
        if (nextPageBtn) {
            nextPageBtn.addEventListener('click', () => this.setPage(this.currentPage + 1));
        }
        if (lastPageBtn) {
            lastPageBtn.addEventListener('click', () => this.setPage(this.getTotalPages()));
        }
        if (pageSizeSelect) {
            pageSizeSelect.addEventListener('change', (e) => {
                this.pageSize = parseInt(e.target.value);
                this.currentPage = 1; // 重置到第一页
                this.render();
            });
        }
    }

    // 防抖函数
    debounce(func, wait) {
        return (...args) => {
            if (this.filterTimeout) {
                clearTimeout(this.filterTimeout);
            }
            this.filterTimeout = setTimeout(() => {
                func.apply(this, args);
                this.filterTimeout = null;
            }, wait);
        };
    }

    async filterData() {
        if (this.isLoading) return;
        this.setLoading(true);
        
        try {
            await new Promise(resolve => {
                if (this.filterTimeout) {
                    clearTimeout(this.filterTimeout);
                }
                
                this.filterTimeout = setTimeout(() => {
                    requestAnimationFrame(() => {
                        // 首先根据高级搜索条件过滤
                        let filtered = [...this.data];
                        
                        if (this.filters.planeName) {
                            filtered = filtered.filter(item => 
                                item.PlaneName === this.filters.planeName
                            );
                        }
                        if (this.filters.ataName) {
                            filtered = filtered.filter(item => 
                                item.ATAName === this.filters.ataName
                            );
                        }
                        if (this.filters.structName) {
                            filtered = filtered.filter(item => 
                                item.ModelStructName === this.filters.structName
                            );
                        }

                        // 然后根据搜索关键词过滤
                        if (this.searchKeyword) {
                            this.filteredData = filtered.filter(item => 
                                item.InterfaceName.toLowerCase().includes(this.searchKeyword)
                            );
                        } else {
                            this.filteredData = filtered;
                        }

                        this.currentPage = 1; // 重置到第一页
                        this.render();
                        resolve();
                    });
                }, 300);
            });
        } finally {
            this.setLoading(false);
        }
    }

    async setData(data) {
        this.setLoading(true);
        try {
            // 清理旧数据
            this.data = [];
            this.filteredData = [];
            this.selectedRows.clear();
            
            // 设置新数据
            this.data = data.map((item, index) => ({
                ...item,
                _displayIndex: index
            }));
            this.filteredData = [...this.data];
            this.currentPage = 1;
            this.render();
        } finally {
            this.setLoading(false);
        }
    }

    getSelectedRows() {
        return Array.from(this.selectedRows).map(index => this.filteredData[index]);
    }

    formatArraySize(item) {
        if (item.InterfaceIsArray === 1) {
            if (item.InterfaceArraySize_2 && item.InterfaceArraySize_2 > 1) {
                return `${item.InterfaceArraySize_1}×${item.InterfaceArraySize_2}`;
            }
            return `${item.InterfaceArraySize_1}`;
        }
        return '1';
    }

    getTotalPages() {
        return Math.ceil(this.filteredData.length / this.pageSize);
    }

    getCurrentPageData() {
        const start = (this.currentPage - 1) * this.pageSize;
        return this.filteredData.slice(start, start + this.pageSize);
    }

    setPage(page) {
        if (page < 1 || page > this.getTotalPages()) return;
        this.currentPage = page;
        this.render();
    }

    setLoading(loading) {
        this.isLoading = loading;
        this.render();
    }

    render() {
        this.shadowRoot.innerHTML = `
            <style>
                .data-table {
                    width: 100%;
                    border-collapse: collapse;
                    margin-top: 10px;
                    table-layout: fixed;
                    position: relative;
                }

                .loading-overlay {
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    bottom: 0;
                    background: rgba(255, 255, 255, 0.9);
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    z-index: 1000;
                    backdrop-filter: blur(2px);
                }

                .loading-spinner {
                    width: 40px;
                    height: 40px;
                    border: 4px solid #f3f3f3;
                    border-top: 4px solid #3498db;
                    border-radius: 50%;
                    animation: spin 1s linear infinite;
                }

                @keyframes spin {
                    0% { transform: rotate(0deg); }
                    100% { transform: rotate(360deg); }
                }

                .data-table th,
                .data-table td {
                    border: 1px solid #ddd;
                    padding: 8px;
                    text-align: left;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    white-space: nowrap;
                }

                .data-table th {
                    background-color: #f5f5f5;
                    font-weight: bold;
                }

                .data-table tr:nth-child(even) {
                    background-color: #f9f9f9;
                }

                .data-table tr:hover {
                    background-color: #f0f0f0;
                }

                .checkbox-cell {
                    width: 20px;
                    text-align: center;
                }

                .plane-cell {
                    width: 60px;
                }

                .ata-cell {
                    width: 60px;
                }

                .struct-cell {
                    width: 150px;
                }

                .interface-cell {
                    width: 220px;
                }

                .type-cell {
                    width: 100px;
                }

                .size-cell {
                    width: 60px;
                }

                .notes-cell {
                    width: 220px;
                }

                .action-cell {
                    width: 80px;
                }

                .action-btn {
                    padding: 4px 8px;
                    margin: 0 4px;
                    border: none;
                    border-radius: 4px;
                    cursor: pointer;
                    outline: none;
                    -webkit-appearance: none;
                    -moz-appearance: none;
                    appearance: none;
                    box-shadow: none;
                }

                .edit-btn {
                    background-color: #4CAF50;
                    color: white;
                }

                .delete-btn {
                    background-color: #f44336;
                    color: white;
                }

                .action-btn:hover {
                    opacity: 0.9;
                }

                .action-btn:focus {
                    outline: none;
                    box-shadow: none;
                }

                .action-btn:active {
                    outline: none;
                    box-shadow: none;
                }

                .pagination {
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    margin-top: 20px;
                    gap: 10px;
                }

                .pagination button {
                    padding: 5px 10px;
                    border: 1px solid #ddd;
                    background-color: white;
                    cursor: pointer;
                    border-radius: 4px;
                }

                .pagination button:hover {
                    background-color: #f0f0f0;
                }

                .pagination button:disabled {
                    background-color: #f5f5f5;
                    cursor: not-allowed;
                }

                .pagination .page-info {
                    margin: 0 10px;
                }

                .pagination .page-size-select {
                    margin-left: 10px;
                    padding: 5px;
                    border: 1px solid #ddd;
                    border-radius: 4px;
                }
            </style>
            <div style="position: relative;">
                <table class="data-table">
                    <thead>
                        <tr>
                            <th class="checkbox-cell">
                                <input type="checkbox" id="selectAll">
                            </th>
                            <th class="plane-cell">机型</th>
                            <th class="ata-cell">ATA章节</th>
                            <th class="struct-cell">接口结构体名</th>
                            <th class="interface-cell">接口名称</th>
                            <th class="type-cell">数据类型</th>
                            <th class="size-cell">数据大小</th>
                            <th class="notes-cell">备注</th>
                            <th class="action-cell">操作</th>
                        </tr>
                    </thead>
                    <tbody>
                        ${this.getCurrentPageData().map((item) => `
                            <tr>
                                <td class="checkbox-cell">
                                    <input type="checkbox" class="row-checkbox" data-index="${item._displayIndex}">
                                </td>
                                <td>${item.PlaneName || ''}</td>
                                <td>${item.ATAName || ''}</td>
                                <td>${item.ModelStructName || ''}</td>
                                <td>${item.InterfaceName || ''}</td>
                                <td>${item.InterfaceType || ''}</td>
                                <td>${this.formatArraySize(item)}</td>
                                <td>${item.InterfaceNotes || ''}</td>
                                <td class="action-cell">
                                    <button class="action-btn edit-btn" data-index="${item._displayIndex}">编辑</button>
                                    <button class="action-btn delete-btn" data-index="${item._displayIndex}">删除</button>
                                </td>
                            </tr>
                        `).join('')}
                    </tbody>
                </table>
                ${this.isLoading ? `
                    <div class="loading-overlay">
                        <div class="loading-spinner"></div>
                    </div>
                ` : ''}
                <div class="pagination">
                    <button id="firstPage" ${this.currentPage === 1 ? 'disabled' : ''}>首页</button>
                    <button id="prevPage" ${this.currentPage === 1 ? 'disabled' : ''}>上一页</button>
                    <span class="page-info">第 ${this.currentPage} 页 / 共 ${this.getTotalPages()} 页</span>
                    <button id="nextPage" ${this.currentPage === this.getTotalPages() ? 'disabled' : ''}>下一页</button>
                    <button id="lastPage" ${this.currentPage === this.getTotalPages() ? 'disabled' : ''}>末页</button>
                    <select class="page-size-select" id="pageSize">
                        <option value="10" ${this.pageSize === 10 ? 'selected' : ''}>10条/页</option>
                        <option value="20" ${this.pageSize === 20 ? 'selected' : ''}>20条/页</option>
                        <option value="50" ${this.pageSize === 50 ? 'selected' : ''}>50条/页</option>
                        <option value="100" ${this.pageSize === 100 ? 'selected' : ''}>100条/页</option>
                    </select>
                </div>
            </div>
        `;
        this.bindEventListeners();
    }

    // 修改事件监听器的添加方式
    addEventListenerWithCleanup(element, event, handler) {
        if (!this.eventListeners.has(element)) {
            this.eventListeners.set(element, new Map());
        }
        const elementListeners = this.eventListeners.get(element);
        
        // 如果已经存在相同的事件监听器，先移除
        if (elementListeners.has(event)) {
            const handlers = elementListeners.get(event);
            handlers.forEach(h => element.removeEventListener(event, h));
            handlers.clear();
        } else {
            elementListeners.set(event, new Set());
        }
        
        elementListeners.get(event).add(handler);
        element.addEventListener(event, handler);
    }

    // 清理事件监听器
    cleanupEventListeners() {
        this.eventListeners.forEach((elementListeners, element) => {
            elementListeners.forEach((handlers, event) => {
                handlers.forEach(handler => {
                    element.removeEventListener(event, handler);
                });
            });
        });
        this.eventListeners.clear();
    }

    bindEventListeners() {
        // 清理之前的事件监听器
        this.cleanupEventListeners();
        
        const selectAllCheckbox = this.shadowRoot.querySelector('#selectAll');
        const rowCheckboxes = this.shadowRoot.querySelectorAll('.row-checkbox');
        const editButtons = this.shadowRoot.querySelectorAll('.edit-btn');
        const deleteButtons = this.shadowRoot.querySelectorAll('.delete-btn');

        // 全选复选框事件
        if (selectAllCheckbox) {
            const selectAllHandler = (e) => {
                const isChecked = e.target.checked;
                rowCheckboxes.forEach(checkbox => {
                    checkbox.checked = isChecked;
                    const index = parseInt(checkbox.dataset.index);
                    if (isChecked) {
                        this.selectedRows.add(index);
                    } else {
                        this.selectedRows.delete(index);
                    }
                });
            };
            this.addEventListenerWithCleanup(selectAllCheckbox, 'change', selectAllHandler);
        }

        // 行复选框事件
        rowCheckboxes.forEach(checkbox => {
            const checkboxHandler = (e) => {
                const index = parseInt(e.target.dataset.index);
                if (e.target.checked) {
                    this.selectedRows.add(index);
                } else {
                    this.selectedRows.delete(index);
                }
                if (selectAllCheckbox) {
                    selectAllCheckbox.checked = this.selectedRows.size === rowCheckboxes.length;
                }
            };
            this.addEventListenerWithCleanup(checkbox, 'change', checkboxHandler);
        });

        // 编辑按钮事件
        editButtons.forEach(button => {
            const editHandler = (e) => {
                const index = parseInt(e.target.dataset.index);
                const item = this.filteredData[index];
                if (item) {
                    this.dispatchEvent(new CustomEvent('edit', {
                        detail: { ...item },
                        bubbles: true,
                        composed: true
                    }));
                }
            };
            this.addEventListenerWithCleanup(button, 'click', editHandler);
        });

        // 删除按钮事件
        deleteButtons.forEach(button => {
            const deleteHandler = (e) => {
                const index = parseInt(e.target.dataset.index);
                const item = this.filteredData[index];
                if (item && confirm(`确定要删除接口 "${item.InterfaceName}" 吗？`)) {
                    this.dispatchEvent(new CustomEvent('delete', {
                        detail: { ...item },
                        bubbles: true,
                        composed: true
                    }));
                }
            };
            this.addEventListenerWithCleanup(button, 'click', deleteHandler);
        });

        // 搜索事件
        const searchHandler = async (e) => {
            this.searchKeyword = e.detail.keyword.toLowerCase();
            this.setLoading(true);
            await this.debouncedFilter();
        };
        this.addEventListenerWithCleanup(this, 'search', searchHandler);

        // 重置搜索事件
        const resetSearchHandler = async () => {
            this.searchKeyword = '';
            this.filters = {
                planeName: '',
                ataName: '',
                structName: ''
            };
            this.filteredData = [...this.data];
            this.render();
        };
        this.addEventListenerWithCleanup(this, 'reset-search', resetSearchHandler);

        // 高级搜索事件
        const advancedSearchHandler = async (e) => {
            this.filters = e.detail;
            this.setLoading(true);
            await this.debouncedFilter();
        };
        this.addEventListenerWithCleanup(this, 'advanced-search', advancedSearchHandler);

        // 分页按钮事件
        const firstPageBtn = this.shadowRoot.querySelector('#firstPage');
        const prevPageBtn = this.shadowRoot.querySelector('#prevPage');
        const nextPageBtn = this.shadowRoot.querySelector('#nextPage');
        const lastPageBtn = this.shadowRoot.querySelector('#lastPage');
        const pageSizeSelect = this.shadowRoot.querySelector('#pageSize');

        if (firstPageBtn) {
            this.addEventListenerWithCleanup(firstPageBtn, 'click', () => this.setPage(1));
        }
        if (prevPageBtn) {
            this.addEventListenerWithCleanup(prevPageBtn, 'click', () => this.setPage(this.currentPage - 1));
        }
        if (nextPageBtn) {
            this.addEventListenerWithCleanup(nextPageBtn, 'click', () => this.setPage(this.currentPage + 1));
        }
        if (lastPageBtn) {
            this.addEventListenerWithCleanup(lastPageBtn, 'click', () => this.setPage(this.getTotalPages()));
        }
        if (pageSizeSelect) {
            this.addEventListenerWithCleanup(pageSizeSelect, 'change', (e) => {
                this.pageSize = parseInt(e.target.value);
                this.currentPage = 1;
                this.render();
            });
        }
    }

    // 组件销毁时清理
    disconnectedCallback() {
        if (this.filterTimeout) {
            clearTimeout(this.filterTimeout);
            this.filterTimeout = null;
        }
        this.cleanupEventListeners();
        this.data = [];
        this.filteredData = [];
        this.selectedRows.clear();
    }
}

customElements.define('interface-data-table', InterfaceDataTable);