import './interface-config/toolbar.js';
import './interface-config/data-table.js';
import './interface-config/variable-form.js';
import './interface-config/import-dialog.js';

class InterfaceConfig extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
        this.data = [];
        this.products = [];  // 存储构型列表
        this.atas = [];      // 存储ATA章节列表
    }

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

    addEventListeners() {
        const toolbar = this.shadowRoot.querySelector('interface-toolbar');
        const dataTable = this.shadowRoot.querySelector('interface-data-table');
        const variableForm = this.shadowRoot.querySelector('variable-form');
        const importDialog = this.shadowRoot.querySelector('import-dialog');

        // 添加变量事件
        toolbar.addEventListener('add-variable', () => {
            variableForm.setMode('add');
            variableForm.show();
        });

        // 删除变量事件
        toolbar.addEventListener('delete-variable', async () => {
            const selectedRows = dataTable.getSelectedRows();
            if (selectedRows.length === 0) {
                alert('请选择要删除的接口');
                return;
            }
            
            if (!confirm(`确定要删除选中的 ${selectedRows.length} 个接口吗？`)) {
            return;
        }
        
        try {
                const deletePromises = selectedRows.map(row => {
                    const { SystemName, ProductName, ATAName, ModelStructName, InterfaceName } = row;
                    return fetch(`/api/interface/delete?systemName=${SystemName}&productName=${ProductName}&ataName=${ATAName}&modelStructName=${ModelStructName}&interfaceName=${InterfaceName}`, {
                        method: 'DELETE'
            });
        });
        
                const results = await Promise.all(deletePromises);
                const failed = results.some(result => !result.ok);
                
                if (failed) {
                    throw new Error('删除失败');
                }

                await this.loadData();
                alert('删除成功');
            } catch (error) {
                console.error('删除接口时出错:', error);
                alert('删除接口失败');
            }
        });

        // 下载模板事件
        toolbar.addEventListener('download-template', async () => {
            try {
                const response = await fetch('/api/interface/template');
                if (!response.ok) {
                    throw new Error('下载模板失败');
                }

                const blob = await response.blob();
                const url = window.URL.createObjectURL(blob);
                const a = document.createElement('a');
                a.href = url;
                a.download = '接口变量模板.xlsx';
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
                window.URL.revokeObjectURL(url);
            } catch (error) {
                console.error('下载模板时出错:', error);
                alert('下载模板失败');
            }
        });

        // 导入数据事件
        toolbar.addEventListener('import-data', async (e) => {
            const { file, type } = e.detail;
            if (!file) return;

            const formData = new FormData();
            formData.append('file', file);
            formData.append('type', type);

            try {
                const response = await fetch('/api/icd/import', {
                    method: 'POST',
                    body: formData
                });

                if (!response.ok) {
                    throw new Error('导入失败');
                }

                const result = await response.json();
                if (result.success) {
                    importDialog.show(result.data);
                } else {
                    throw new Error(result.error || '导入失败');
                }
            } catch (error) {
                console.error('导入数据时出错:', error);
                alert('导入数据失败: ' + error.message);
            }
        });

        // 确认导入事件
        importDialog.addEventListener('confirm-import', async (e) => {
            const importData = e.detail;
            try {
                console.log('准备导入的数据:', importData);
                
                const response = await fetch('/api/interface/import', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify(importData)
                });

                if (!response.ok) {
                    const errorData = await response.json();
                    throw new Error(errorData.error || '保存导入数据失败');
                }

                const result = await response.json();
                if (result.success) {
                    await this.loadData();
                    alert('导入成功');
                } else {
                    throw new Error(result.error || '保存导入数据失败');
                }
            } catch (error) {
                console.error('保存导入数据时出错:', error);
                alert('保存导入数据失败: ' + error.message);
            }
        });

        // 表格编辑按钮事件
        dataTable.addEventListener('edit', (e) => {
            const variableForm = this.shadowRoot.querySelector('variable-form');
            if (variableForm) {
                // 确保在设置编辑数据之前先设置选项
                variableForm.setOptions(this.products, this.atas);
                // 先显示表单，再设置模式和数据
                variableForm.show();
                variableForm.setMode('edit', e.detail);
            }
        });

        // 表格删除按钮事件
        dataTable.addEventListener('delete', async (e) => {
            const { SystemName, ProductName, ATAName, ModelStructName, InterfaceName } = e.detail;

            try {
                const response = await fetch(`/api/interface/delete?systemName=${SystemName}&productName=${ProductName}&ataName=${ATAName}&modelStructName=${ModelStructName}&interfaceName=${InterfaceName}`, {
                    method: 'DELETE'
                });

                if (!response.ok) {
                    throw new Error('删除失败');
                }

                await this.loadData();
                alert('删除成功');
            } catch (error) {
                console.error('删除接口时出错:', error);
                alert('删除接口失败');
            }
        });

        // 表单保存成功事件
        variableForm.addEventListener('save-success', async (e) => {
            const interfaceData = e.detail;
            try {
                const url = interfaceData.mode === 'add' ? '/api/interface/add' : '/api/interface/update';
                const method = interfaceData.mode === 'add' ? 'POST' : 'PUT';

                // 如果是编辑模式，需要添加原始数据用于更新
                const requestData = interfaceData.mode === 'edit' ? {
                    currentData: {
                        SystemName: 'XNSim',
                        ProductName: interfaceData.ProductName,
                        ATAName: interfaceData.ATAName,
                        ModelStructName: interfaceData.ModelStructName,
                        InterfaceName: interfaceData.InterfaceName,
                        InterfaceType: interfaceData.InterfaceType,
                        InterfaceOption: interfaceData.InterfaceOption || 1,
                        InterfaceIsArray: interfaceData.InterfaceIsArray,
                        InterfaceArraySize_1: interfaceData.InterfaceArraySize_1,
                        InterfaceArraySize_2: interfaceData.InterfaceArraySize_2,
                        InterfaceNotes: interfaceData.InterfaceNotes
                    },
                    originalData: {
                        SystemName: 'XNSim',
                        ProductName: interfaceData.originalProductName || interfaceData.ProductName,
                        ATAName: interfaceData.originalATAName || interfaceData.ATAName,
                        ModelStructName: interfaceData.originalModelStructName || interfaceData.ModelStructName,
                        InterfaceName: interfaceData.originalInterfaceName || interfaceData.InterfaceName
                    }
                } : {
                    SystemName: 'XNSim',
                    ProductName: interfaceData.ProductName,
                    ATAName: interfaceData.ATAName,
                    ModelStructName: interfaceData.ModelStructName,
                    InterfaceName: interfaceData.InterfaceName,
                    InterfaceType: interfaceData.InterfaceType,
                    InterfaceOption: interfaceData.InterfaceOption || 1,
                    InterfaceIsArray: interfaceData.InterfaceIsArray,
                    InterfaceArraySize_1: interfaceData.InterfaceArraySize_1,
                    InterfaceArraySize_2: interfaceData.InterfaceArraySize_2,
                    InterfaceNotes: interfaceData.InterfaceNotes
                };

                const response = await fetch(url, {
                    method,
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify(requestData)
                });
            
                const responseText = await response.text();
                let responseData;
                try {
                    responseData = JSON.parse(responseText);
                } catch (e) {
                    throw new Error('服务器响应格式错误');
                }

                if (!response.ok) {
                    throw new Error(responseData.error || '保存失败');
                }

                await this.loadData();
                alert('保存成功');
            } catch (error) {
                console.error('保存接口时出错:', error);
                alert('保存接口失败: ' + error.message);
            }
        });

        // 搜索事件
        toolbar.addEventListener('search', (e) => {
            const keyword = e.detail.keyword;
            dataTable.dispatchEvent(new CustomEvent('search', {
                detail: { keyword },
                bubbles: true,
                composed: true
            }));
        });

        // 重置搜索事件
        toolbar.addEventListener('reset-search', async () => {
            // 重新加载数据
            await this.loadData();
            // 触发重置事件
            dataTable.dispatchEvent(new CustomEvent('reset-search', {
                bubbles: true,
                composed: true
            }));
        });

        // 高级搜索事件
        toolbar.addEventListener('advanced-search', (e) => {
            dataTable.dispatchEvent(new CustomEvent('advanced-search', {
                detail: e.detail,
                bubbles: true,
                composed: true
            }));
        });
    }

    async loadData() {
        try {
            const response = await fetch('/api/interface/list');
            if (!response.ok) {
                throw new Error('获取数据失败');
            }
            this.data = await response.json();
            
            // 从接口数据中提取构型和ATA章节列表
            this.products = [...new Set(this.data.map(item => item.ProductName))];
            this.atas = [...new Set(this.data.map(item => item.ATAName))];
            
            this.updateTable();
            this.updateAdvancedSearchOptions();
            
            // 通知所有子组件数据已更新
            const importDialog = this.shadowRoot.querySelector('import-dialog');
            if (importDialog) {
                importDialog.setOptions(this.products, this.atas);
            }
            
            const variableForm = this.shadowRoot.querySelector('variable-form');
            if (variableForm) {
                variableForm.setOptions(this.products, this.atas);
            }
        } catch (error) {
            console.error('加载数据时出错:', error);
            alert('加载数据失败');
        }
    }

    updateTable() {
        const dataTable = this.shadowRoot.querySelector('interface-data-table');
        if (dataTable) {
            dataTable.setData(this.data);
        }
    }

    updateAdvancedSearchOptions() {
        const toolbar = this.shadowRoot.querySelector('interface-toolbar');
        if (!toolbar) return;

        // 使用已提取的构型和ATA章节列表
        const structs = [...new Set(this.data.map(item => item.ModelStructName))];

        // 更新下拉选项
        toolbar.updateFilterOptions({
            products: this.products,
            atas: this.atas,
            structs
        });
    }

    render() {
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    height: 100%;
                    overflow: auto;
                    padding: 16px;
                    box-sizing: border-box;
                    font-family: Arial, sans-serif;
                }

                .config-container {
                    background-color: white;
                    border-radius: 8px;
                    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
                    padding: 16px;
                    height: 100%;
                    box-sizing: border-box;
                    display: flex;
                    flex-direction: column;
                    gap: 16px;
                }
            </style>
            <div class="config-container">
                <interface-toolbar></interface-toolbar>
                <interface-data-table></interface-data-table>
                <variable-form></variable-form>
                <import-dialog></import-dialog>
            </div>
        `;
    }
}

customElements.define('interface-config', InterfaceConfig);