import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'
import { federation } from '@module-federation/vite'
import { resolve, dirname } from 'path'
import { fileURLToPath } from 'url'
import fs from 'fs'

const __filename = fileURLToPath(import.meta.url)
const __dirname = dirname(__filename)

/**
 * Module Federation 构建配置（@module-federation/vite）
 * 官方维护版本，支持 Vite 6 + 开发模式热更新
 *
 * 优势：
 * - ✅ 完整支持 Vite 开发模式
 * - ✅ dev 模式能生成 remoteEntry.js
 * - ✅ 自动处理内部路径别名 (@/)
 * - ✅ 真正的生产可用版本
 */
export default defineConfig({
    // Shared 模块的基础路径（通过 Nginx 代理访问）
    base: '/shared/',

    plugins: [
        vue({
            script: {
                defineModel: true,
                propsDestructure: true
            }
        }),
        vueJsx(),
        federation({
            name: 'shared',
            filename: 'remoteEntry.js',
            // 暴露的模块
            exposes: {
                // ========== 组件模块 ==========
                './components': './src/components/index.ts',
                './components/file/FileUpload': './src/components/file/fileupload/FileUpload.vue',
                './components/file/FileHistory': './src/components/file/fileHistory/FileHistory.vue',
                './components/DynamicFormItem': './src/components/dynamicFormItem/DynamicFormItem.vue',
                './components/iframe/IframeView.vue': './src/components/iframe/IframeView.vue',
                './components/ai/knowledge/DocumentSegment.vue': './src/components/ai/knowledge/documentSegment/DocumentSegment.vue',
                './components/ai/knowledge/DocumentDetail.vue': './src/components/ai/knowledge/documentDetail/DocumentDetail.vue',

                // ========== API 模块 ==========
                './api': './src/api/index.ts',
                './api/auth': './src/api/auth/auth.ts',
                './api/file': './src/api/file/file.ts',
                './api/ai': './src/api/ai/index.ts',
                
                // ========== Utils 工具模块 ==========
                './utils': './src/utils/index.ts',
                './utils/device': './src/utils/device.ts',
                './utils/route': './src/utils/route/index.ts',
                './utils/route/generator': './src/utils/route/route-generator.ts',
                './utils/file': './src/utils/file.ts',
                
                // ========== Types 类型模块 ==========
                './types': './src/types/index.ts',
                './types/base': './src/types/base/index.ts',
                './types/auth': './src/types/auth/index.ts',
                './types/file': './src/types/file/index.ts',
                './types/sys': './src/types/sys/index.ts',
                './types/ai': './src/types/ai/index.ts',
                
                // ========== Config 配置模块 ==========
                './config': './src/config/index.ts',
                
                // ========== Layouts 布局模块 ==========
                './layouts': './src/layouts/index.ts',
                
                // ========== Styles 样式模块 ==========
                // 直接暴露 SCSS 文件，确保 CSS 在远程加载时被正确注入
                './styles': './src/styles/index.scss'
            },
            // 共享依赖（重要：避免重复加载）
            shared: {
                vue: {},
                'vue-router': {},
                'element-plus': {},
                'lucide-vue-next': {},
                axios: {}
            }
        })
    ],
    
    define: {
        __VUE_OPTIONS_API__: true,
        __VUE_PROD_DEVTOOLS__: true,
        __VUE_PROD_HYDRATION_MISMATCH_DETAILS__: true
    },
    
    resolve: {
        alias: {
            '@': resolve(__dirname, 'src')
        },
        extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']
    },
    
    build: {
        target: 'esnext',
        minify: false,
        cssCodeSplit: false,
        sourcemap: true,
        // 确保 CSS 被提取到单独的文件中
        cssMinify: true,
        rollupOptions: {
            output: {
                format: 'es',
                // 确保 CSS 文件名可预测
                assetFileNames: (assetInfo) => {
                    if (assetInfo.name === 'style.css') {
                        return 'assets/style.css'
                    }
                    return 'assets/[name]-[hash][extname]'
                }
            }
        }
    },
    
    server: {
        port: 7000,
        strictPort: true,
        host: true,
        cors: true,
        // HTTPS 配置（本地开发用，可选）
        https: (() => {
            try {
                return {
                    key: fs.readFileSync('C:/Users/FK05/443/localhost+3-key.pem'),
                    cert: fs.readFileSync('C:/Users/FK05/443/localhost+3.pem')
                }
            } catch {
                return undefined
            }
        })(),
        headers: {
            'Access-Control-Allow-Origin': '*',
            'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
            'Access-Control-Allow-Headers': 'Content-Type, Authorization'
        }
    },

    preview: {
        port: 7000,
        host: true,
        cors: true,
        https: (() => {
            try {
                return {
                    key: fs.readFileSync('C:/Users/FK05/443/localhost+3-key.pem'),
                    cert: fs.readFileSync('C:/Users/FK05/443/localhost+3.pem')
                }
            } catch {
                return undefined
            }
        })(),
        headers: {
            'Access-Control-Allow-Origin': '*',
            'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
            'Access-Control-Allow-Headers': 'Content-Type, Authorization'
        }
    }
})