package admin

import (
	"crypto/rand"
	"encoding/base64"
	"encoding/hex"
	"encoding/json"
	"net/http"
	"networkDev/database"
	"networkDev/models"
	"networkDev/utils"
	"strconv"
	"strings"

	"github.com/google/uuid"
	"github.com/sirupsen/logrus"
)

// AppsFragmentHandler 应用列表页面片段处理器
func AppsFragmentHandler(w http.ResponseWriter, r *http.Request) {
	utils.RenderTemplate(w, "apps.html", map[string]interface{}{
		"Title": "应用管理",
	})
}

// AppsListHandler 应用列表API处理器
func AppsListHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// 获取分页参数
	page, _ := strconv.Atoi(r.URL.Query().Get("page"))
	if page <= 0 {
		page = 1
	}
	limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
	if limit <= 0 {
		limit = 10
	}

	// 获取搜索参数
	search := strings.TrimSpace(r.URL.Query().Get("search"))

	// 构建查询
	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	var apps []models.App
	var total int64

	query := db.Model(&models.App{})

	// 如果有搜索条件
	if search != "" {
		query = query.Where("name LIKE ? OR uuid LIKE ?", "%"+search+"%", "%"+search+"%")
	}

	// 获取总数
	if err := query.Count(&total).Error; err != nil {
		logrus.WithError(err).Error("Failed to count apps")
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	// 分页查询
	offset := (page - 1) * limit
	if err := query.Order("created_at DESC").Offset(offset).Limit(limit).Find(&apps).Error; err != nil {
		logrus.WithError(err).Error("Failed to query apps")
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	// 返回结果
	response := map[string]interface{}{
		"code":  0,
		"msg":   "success",
		"count": total,
		"data":  apps,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppGetAppDataHandler 获取应用数据处理器
func AppGetAppDataHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// 获取UUID参数
	uuid := r.URL.Query().Get("uuid")
	if uuid == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 获取数据库连接
	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", uuid).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 解码base64应用数据内容
	var appData string
	if app.AppData != "" {
		decodedBytes, err := base64.StdEncoding.DecodeString(app.AppData)
		if err != nil {
			logrus.WithError(err).Error("Failed to decode app data")
			// 如果解码失败，返回空字符串
			appData = ""
		} else {
			appData = string(decodedBytes)
		}
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "获取成功",
		"data": map[string]interface{}{
			"app_data": appData,
		},
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppGetAnnouncementHandler 获取应用程序公告处理器
func AppGetAnnouncementHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// 获取UUID参数
	uuid := r.URL.Query().Get("uuid")
	if uuid == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 获取数据库连接
	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", uuid).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 解码base64公告内容
	var announcement string
	if app.Announcement != "" {
		decodedBytes, err := base64.StdEncoding.DecodeString(app.Announcement)
		if err != nil {
			logrus.WithError(err).Error("Failed to decode announcement")
			// 如果解码失败，返回空字符串
			announcement = ""
		} else {
			announcement = string(decodedBytes)
		}
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "获取成功",
		"data": map[string]interface{}{
			"announcement": announcement,
		},
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppResetSecretHandler 重置应用密钥API处理器
func AppResetSecretHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		UUID string `json:"uuid"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	if req.UUID == "" {
		http.Error(w, "应用UUID不能为空", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app by UUID")
		http.Error(w, "应用不存在", http.StatusNotFound)
		return
	}

	// 生成新的密钥
	bytes := make([]byte, 16)
	if _, err := rand.Read(bytes); err != nil {
		logrus.WithError(err).Error("Failed to generate random secret")
		http.Error(w, "生成密钥失败", http.StatusInternalServerError)
		return
	}
	newSecret := strings.ToUpper(hex.EncodeToString(bytes))

	// 更新密钥
	if err := db.Model(&app).Update("secret", newSecret).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app secret")
		http.Error(w, "更新密钥失败", http.StatusInternalServerError)
		return
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "密钥重置成功",
		"data": map[string]interface{}{
			"uuid":   app.UUID,
			"secret": newSecret,
		},
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppCreateHandler 创建应用API处理器
func AppCreateHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		Name         string `json:"name"`
		Version      string `json:"version"`
		Status       int    `json:"status"`
		DownloadType int    `json:"download_type"`
		ForceUpdate  int    `json:"force_update"`
		DownloadURL  string `json:"download_url"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		logrus.WithError(err).Error("Failed to decode JSON request")
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	// 验证必填字段
	if strings.TrimSpace(req.Name) == "" {
		logrus.Error("App name is empty")
		http.Error(w, "应用名称不能为空", http.StatusBadRequest)
		return
	}

	// 设置默认值
	if req.Version == "" {
		req.Version = "1.0.0"
	}

	logrus.WithFields(logrus.Fields{
		"name":          req.Name,
		"version":       req.Version,
		"status":        req.Status,
		"download_type": req.DownloadType,
		"download_url":  req.DownloadURL,
		"force_update":  req.ForceUpdate,
	}).Info("Received app create request")

	// 创建应用
	app := models.App{
		Name:         strings.TrimSpace(req.Name),
		Version:      req.Version,
		Status:       req.Status,
		DownloadType: req.DownloadType,
		DownloadURL:  strings.TrimSpace(req.DownloadURL),
		ForceUpdate:  req.ForceUpdate,
	}

	// 确保UUID和Secret被设置（虽然BeforeCreate钩子应该处理这些，但为了保险起见）
	if app.UUID == "" {
		app.UUID = strings.ToUpper(uuid.New().String())
	}
	if app.Secret == "" {
		// 生成32位大写16进制随机字符
		bytes := make([]byte, 16) // 16字节 = 32位16进制字符
		rand.Read(bytes)
		app.Secret = strings.ToUpper(hex.EncodeToString(bytes))
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 开始事务
	tx := db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 创建应用
	if err := tx.Create(&app).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to create app")
		http.Error(w, "创建应用失败", http.StatusInternalServerError)
		return
	}

	// 为应用创建所有默认接口
	defaultAPITypes := []int{
		models.APITypeGetBulletin,     // 获取程序公告
		models.APITypeGetUpdateUrl,    // 获取更新地址
		models.APITypeCheckAppVersion, // 检测最新版本
		models.APITypeGetCardInfo,     // 获取卡密信息
		models.APITypeSingleLogin,     // 卡密登录
		models.APITypeUserLogin,       // 用户登录
		models.APITypeUserRegin,       // 用户注册
		models.APITypeUserRecharge,    // 用户充值
		models.APITypeCardRegin,       // 卡密注册
		models.APITypeLogOut,          // 退出登录
		models.APITypeGetExpired,      // 获取到期时间
		models.APITypeCheckUserStatus, // 检测账号状态
		models.APITypeGetAppData,      // 获取程序数据
		models.APITypeGetVariable,     // 获取变量数据
		models.APITypeUpdatePwd,       // 修改账号密码
		models.APITypeMacChangeBind,   // 机器码转绑
		models.APITypeIPChangeBind,    // IP转绑
		models.APITypeDisableUser,     // 封停用户
		models.APITypeBlackUser,       // 添加黑名单
		models.APITypeUserDeductedTime, // 扣除时间
	}

	// 批量创建默认接口
	for _, apiType := range defaultAPITypes {
		api := models.API{
			APIType:         apiType,
			AppUUID:         app.UUID,
			Status:          1, // 默认启用
			SubmitAlgorithm: models.AlgorithmNone, // 默认不加密
			ReturnAlgorithm: models.AlgorithmNone, // 默认不加密
		}

		if err := tx.Create(&api).Error; err != nil {
			tx.Rollback()
			logrus.WithError(err).WithField("api_type", apiType).Error("Failed to create default API")
			http.Error(w, "创建默认接口失败", http.StatusInternalServerError)
			return
		}
	}

	// 提交事务
	if err := tx.Commit().Error; err != nil {
		logrus.WithError(err).Error("Failed to commit transaction")
		http.Error(w, "提交事务失败", http.StatusInternalServerError)
		return
	}

	logrus.WithField("app_uuid", app.UUID).Info("Successfully created app with default APIs")

	response := map[string]interface{}{
		"code": 0,
		"msg":  "创建成功",
		"data": app,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateHandler 更新应用API处理器
func AppUpdateHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		ID           uint   `json:"id"`
		Name         string `json:"name"`
		Version      string `json:"version"`
		Status       int    `json:"status"`
		DownloadType int    `json:"download_type"`
		DownloadURL  string `json:"download_url"`
		ForceUpdate  int    `json:"force_update"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	// 验证必填字段
	if req.ID == 0 {
		http.Error(w, "应用ID不能为空", http.StatusBadRequest)
		return
	}
	if strings.TrimSpace(req.Name) == "" {
		http.Error(w, "应用名称不能为空", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 查找应用
	var app models.App
	if err := db.First(&app, req.ID).Error; err != nil {
		http.Error(w, "应用不存在", http.StatusNotFound)
		return
	}

	// 更新字段
	app.Name = strings.TrimSpace(req.Name)
	app.Version = req.Version
	app.Status = req.Status
	app.DownloadType = req.DownloadType
	app.DownloadURL = strings.TrimSpace(req.DownloadURL)
	app.ForceUpdate = req.ForceUpdate

	if err := db.Save(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app")
		http.Error(w, "更新应用失败", http.StatusInternalServerError)
		return
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "更新成功",
		"data": app,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppDeleteHandler 删除应用API处理器
func AppDeleteHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		ID uint `json:"id"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	if req.ID == 0 {
		http.Error(w, "应用ID不能为空", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 开始事务
	tx := db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 首先获取应用信息以获取UUID
	var app models.App
	if err := tx.First(&app, req.ID).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to find app")
		http.Error(w, "应用不存在", http.StatusNotFound)
		return
	}

	// 删除该应用的所有相关接口
	if err := tx.Where("app_uuid = ?", app.UUID).Delete(&models.API{}).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to delete related APIs")
		http.Error(w, "删除相关接口失败", http.StatusInternalServerError)
		return
	}

	// 删除应用
	if err := tx.Delete(&models.App{}, req.ID).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to delete app")
		http.Error(w, "删除应用失败", http.StatusInternalServerError)
		return
	}

	// 提交事务
	if err := tx.Commit().Error; err != nil {
		logrus.WithError(err).Error("Failed to commit transaction")
		http.Error(w, "提交事务失败", http.StatusInternalServerError)
		return
	}

	logrus.WithFields(logrus.Fields{
		"app_id":   req.ID,
		"app_uuid": app.UUID,
	}).Info("Successfully deleted app and related APIs")

	response := map[string]interface{}{
		"code": 0,
		"msg":  "删除成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppsBatchDeleteHandler 批量删除应用API处理器
func AppsBatchDeleteHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		IDs []uint `json:"ids"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	if len(req.IDs) == 0 {
		http.Error(w, "请选择要删除的应用", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 开始事务
	tx := db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 首先获取要删除的应用的UUID列表
	var apps []models.App
	if err := tx.Where("id IN ?", req.IDs).Find(&apps).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to find apps")
		http.Error(w, "查找应用失败", http.StatusInternalServerError)
		return
	}

	// 提取UUID列表
	var appUUIDs []string
	for _, app := range apps {
		appUUIDs = append(appUUIDs, app.UUID)
	}

	// 删除这些应用的所有相关接口
	if len(appUUIDs) > 0 {
		if err := tx.Where("app_uuid IN ?", appUUIDs).Delete(&models.API{}).Error; err != nil {
			tx.Rollback()
			logrus.WithError(err).Error("Failed to delete related APIs")
			http.Error(w, "删除相关接口失败", http.StatusInternalServerError)
			return
		}
	}

	// 批量删除应用
	if err := tx.Delete(&models.App{}, req.IDs).Error; err != nil {
		tx.Rollback()
		logrus.WithError(err).Error("Failed to batch delete apps")
		http.Error(w, "批量删除失败", http.StatusInternalServerError)
		return
	}

	// 提交事务
	if err := tx.Commit().Error; err != nil {
		logrus.WithError(err).Error("Failed to commit transaction")
		http.Error(w, "提交事务失败", http.StatusInternalServerError)
		return
	}

	logrus.WithFields(logrus.Fields{
		"app_ids":   req.IDs,
		"app_uuids": appUUIDs,
	}).Info("Successfully batch deleted apps and related APIs")

	response := map[string]interface{}{
		"code": 0,
		"msg":  "批量删除成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppsBatchUpdateStatusHandler 批量更新应用状态API处理器
func AppsBatchUpdateStatusHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		IDs    []uint `json:"ids"`
		Status int    `json:"status"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	if len(req.IDs) == 0 {
		http.Error(w, "请选择要更新的应用", http.StatusBadRequest)
		return
	}

	if req.Status != 0 && req.Status != 1 {
		http.Error(w, "状态值无效", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 批量更新状态
	if err := db.Model(&models.App{}).Where("id IN ?", req.IDs).Update("status", req.Status).Error; err != nil {
		logrus.WithError(err).Error("Failed to batch update app status")
		http.Error(w, "批量更新状态失败", http.StatusInternalServerError)
		return
	}

	statusText := "禁用"
	if req.Status == 1 {
		statusText = "启用"
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "批量" + statusText + "成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateAppDataHandler 更新应用数据处理器
func AppUpdateAppDataHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// 解析请求体
	var req struct {
		UUID    string `json:"uuid"`
		AppData string `json:"app_data"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		logrus.WithError(err).Error("Failed to decode request body")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "请求参数格式错误",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID
	if req.UUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(req.UUID); err != nil {
		logrus.WithError(err).Error("Invalid UUID format")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 获取数据库连接
	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 对应用数据内容进行base64编码
	encodedAppData := base64.StdEncoding.EncodeToString([]byte(req.AppData))

	// 更新应用的数据内容
	if err := db.Model(&app).Update("app_data", encodedAppData).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app data")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "更新应用数据失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	logrus.WithFields(logrus.Fields{
		"app_uuid": req.UUID,
		"app_name": app.Name,
	}).Info("App data updated successfully")

	response := map[string]interface{}{
		"code": 0,
		"msg":  "应用数据更新成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateAnnouncementHandler 更新应用程序公告处理器
func AppUpdateAnnouncementHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// 解析请求体
	var req struct {
		UUID         string `json:"uuid"`
		Announcement string `json:"announcement"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		logrus.WithError(err).Error("Failed to decode request body")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "请求参数格式错误",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID
	if req.UUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(req.UUID); err != nil {
		logrus.WithError(err).Error("Invalid UUID format")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 获取数据库连接
	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 对公告内容进行base64编码
	encodedAnnouncement := base64.StdEncoding.EncodeToString([]byte(req.Announcement))

	// 更新应用的公告内容
	if err := db.Model(&app).Update("announcement", encodedAnnouncement).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app announcement")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "更新程序公告失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	logrus.WithFields(logrus.Fields{
		"app_uuid": req.UUID,
		"app_name": app.Name,
	}).Info("App announcement updated successfully")

	response := map[string]interface{}{
		"code": 0,
		"msg":  "程序公告更新成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// ... existing code ...

// AppGetMultiConfigHandler 获取应用多开配置
func AppGetMultiConfigHandler(w http.ResponseWriter, r *http.Request) {
	appUUID := r.URL.Query().Get("uuid")
	if appUUID == "" {
		http.Error(w, "缺少应用UUID", http.StatusBadRequest)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(appUUID); err != nil {
		http.Error(w, "无效的UUID格式", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	var app models.App
	if err := db.Where("uuid = ?", appUUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		http.Error(w, "应用不存在", http.StatusNotFound)
		return
	}

	// 返回多开配置信息
	response := map[string]interface{}{
		"login_type":       app.LoginType,
		"multi_open_scope": app.MultiOpenScope,
		"clean_interval":   app.CleanInterval,
		"check_interval":   app.CheckInterval,
		"multi_open_count": app.MultiOpenCount,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateMultiConfigHandler 更新应用多开配置
func AppUpdateMultiConfigHandler(w http.ResponseWriter, r *http.Request) {
	var req struct {
		UUID           string `json:"uuid"`
		LoginType      int    `json:"login_type"`
		MultiOpenScope int    `json:"multi_open_scope"`
		CleanInterval  int    `json:"clean_interval"`
		CheckInterval  int    `json:"check_interval"`
		MultiOpenCount int    `json:"multi_open_count"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid JSON", http.StatusBadRequest)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(req.UUID); err != nil {
		http.Error(w, "无效的UUID格式", http.StatusBadRequest)
		return
	}

	// 验证参数范围
	if req.LoginType < 0 || req.LoginType > 1 {
		http.Error(w, "登录方式参数无效", http.StatusBadRequest)
		return
	}
	if req.MultiOpenScope < 0 || req.MultiOpenScope > 2 {
		http.Error(w, "多开范围参数无效", http.StatusBadRequest)
		return
	}
	if req.CleanInterval < 1 {
		http.Error(w, "清理间隔必须大于0", http.StatusBadRequest)
		return
	}
	if req.CheckInterval < 1 {
		http.Error(w, "校验间隔必须大于0", http.StatusBadRequest)
		return
	}
	if req.MultiOpenCount < 1 {
		http.Error(w, "多开数量必须大于0", http.StatusBadRequest)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		http.Error(w, "数据库连接失败", http.StatusInternalServerError)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		http.Error(w, "应用不存在", http.StatusNotFound)
		return
	}

	// 更新多开配置
	updates := map[string]interface{}{
		"login_type":       req.LoginType,
		"multi_open_scope": req.MultiOpenScope,
		"clean_interval":   req.CleanInterval,
		"check_interval":   req.CheckInterval,
		"multi_open_count": req.MultiOpenCount,
	}

	if err := db.Model(&app).Updates(updates).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app multi config")
		http.Error(w, "更新多开配置失败", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(map[string]string{"message": "多开配置更新成功"})
}

// AppGetBindConfigHandler 获取应用绑定配置
func AppGetBindConfigHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	appUUID := r.URL.Query().Get("uuid")
	if appUUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "缺少应用UUID",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(appUUID); err != nil {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	var app models.App
	if err := db.Where("uuid = ?", appUUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 返回绑定配置信息
	response := map[string]interface{}{
		"machine_verify":         app.MachineVerify,
		"machine_rebind_enabled": app.MachineRebindEnabled,
		"machine_rebind_limit":   app.MachineRebindLimit,
		"machine_free_count":     app.MachineFreeCount,
		"machine_rebind_count":   app.MachineRebindCount,
		"machine_rebind_deduct":  app.MachineRebindDeduct,
		"ip_verify":              app.IPVerify,
		"ip_rebind_enabled":      app.IPRebindEnabled,
		"ip_rebind_limit":        app.IPRebindLimit,
		"ip_free_count":          app.IPFreeCount,
		"ip_rebind_count":        app.IPRebindCount,
		"ip_rebind_deduct":       app.IPRebindDeduct,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateBindConfigHandler 更新应用绑定配置
func AppUpdateBindConfigHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		UUID                 string `json:"uuid"`
		MachineVerify        int    `json:"machine_verify"`
		MachineRebindEnabled int    `json:"machine_rebind_enabled"`
		MachineRebindLimit   int    `json:"machine_rebind_limit"`
		MachineFreeCount     int    `json:"machine_free_count"`
		MachineRebindCount   int    `json:"machine_rebind_count"`
		MachineRebindDeduct  int    `json:"machine_rebind_deduct"`
		IPVerify             int    `json:"ip_verify"`
		IPRebindEnabled      int    `json:"ip_rebind_enabled"`
		IPRebindLimit        int    `json:"ip_rebind_limit"`
		IPFreeCount          int    `json:"ip_free_count"`
		IPRebindCount        int    `json:"ip_rebind_count"`
		IPRebindDeduct       int    `json:"ip_rebind_deduct"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		logrus.WithError(err).Error("Failed to decode JSON request")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的JSON格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID
	if req.UUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if _, err := uuid.Parse(req.UUID); err != nil {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证参数范围
	if req.MachineVerify < 0 || req.MachineVerify > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "机器验证参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.MachineRebindLimit < 0 || req.MachineRebindLimit > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "机器重绑限制参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.IPVerify < 0 || req.IPVerify > 3 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "IP地址验证参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.IPRebindLimit < 0 || req.IPRebindLimit > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "IP地址重绑限制参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.MachineRebindEnabled < 0 || req.MachineRebindEnabled > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "机器重绑开关参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.IPRebindEnabled < 0 || req.IPRebindEnabled > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "IP地址重绑开关参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.MachineFreeCount < 0 || req.MachineRebindCount < 0 || req.MachineRebindDeduct < 0 ||
		req.IPFreeCount < 0 || req.IPRebindCount < 0 || req.IPRebindDeduct < 0 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数量参数不能为负数",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 更新绑定配置
	updates := map[string]interface{}{
		"machine_verify":         req.MachineVerify,
		"machine_rebind_enabled": req.MachineRebindEnabled,
		"machine_rebind_limit":   req.MachineRebindLimit,
		"machine_free_count":     req.MachineFreeCount,
		"machine_rebind_count":   req.MachineRebindCount,
		"machine_rebind_deduct":  req.MachineRebindDeduct,
		"ip_verify":              req.IPVerify,
		"ip_rebind_enabled":      req.IPRebindEnabled,
		"ip_rebind_limit":        req.IPRebindLimit,
		"ip_free_count":          req.IPFreeCount,
		"ip_rebind_count":        req.IPRebindCount,
		"ip_rebind_deduct":       req.IPRebindDeduct,
	}

	if err := db.Model(&app).Updates(updates).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app bind config")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "更新绑定配置失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "绑定配置更新成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppGetRegisterConfigHandler 获取应用注册配置
func AppGetRegisterConfigHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	appUUID := r.URL.Query().Get("uuid")
	if appUUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "缺少应用UUID",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID格式
	if _, err := uuid.Parse(appUUID); err != nil {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	var app models.App
	if err := db.Where("uuid = ?", appUUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 返回注册配置信息
	response := map[string]interface{}{
		"register_enabled":       app.RegisterEnabled,
		"register_limit_enabled": app.RegisterLimitEnabled,
		"register_limit_time":    app.RegisterLimitTime,
		"register_count":         app.RegisterCount,
		"trial_enabled":          app.TrialEnabled,
		"trial_limit_time":       app.TrialLimitTime,
		"trial_duration":         app.TrialDuration,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// AppUpdateRegisterConfigHandler 更新应用注册配置
func AppUpdateRegisterConfigHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req struct {
		UUID                 string `json:"uuid"`
		RegisterEnabled      int    `json:"register_enabled"`
		RegisterLimitEnabled int    `json:"register_limit_enabled"`
		RegisterLimitTime    int    `json:"register_limit_time"`
		RegisterCount        int    `json:"register_count"`
		TrialEnabled         int    `json:"trial_enabled"`
		TrialLimitTime       int    `json:"trial_limit_time"`
		TrialDuration        int    `json:"trial_duration"`
	}

	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		logrus.WithError(err).Error("Failed to decode JSON request")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的JSON格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证UUID
	if req.UUID == "" {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用UUID不能为空",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if _, err := uuid.Parse(req.UUID); err != nil {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "无效的UUID格式",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 验证参数范围
	if req.RegisterEnabled < 0 || req.RegisterEnabled > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "账号注册开关参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.RegisterLimitEnabled < 0 || req.RegisterLimitEnabled > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "注册限制开关参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.RegisterLimitTime < 0 || req.RegisterLimitTime > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "注册限制时间参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.RegisterCount < 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "注册次数必须大于0",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.TrialEnabled < 0 || req.TrialEnabled > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "领取试用开关参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.TrialLimitTime < 0 || req.TrialLimitTime > 1 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "试用限制时间参数无效",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	if req.TrialDuration < 0 {
		response := map[string]interface{}{
			"code": 1,
			"msg":  "试用时间不能为负数",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	db, err := database.GetDB()
	if err != nil {
		logrus.WithError(err).Error("Failed to get database connection")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "数据库连接失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 查找应用
	var app models.App
	if err := db.Where("uuid = ?", req.UUID).First(&app).Error; err != nil {
		logrus.WithError(err).Error("Failed to find app")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "应用不存在",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	// 更新注册配置
	updates := map[string]interface{}{
		"register_enabled":       req.RegisterEnabled,
		"register_limit_enabled": req.RegisterLimitEnabled,
		"register_limit_time":    req.RegisterLimitTime,
		"register_count":         req.RegisterCount,
		"trial_enabled":          req.TrialEnabled,
		"trial_limit_time":       req.TrialLimitTime,
		"trial_duration":         req.TrialDuration,
	}

	if err := db.Model(&app).Updates(updates).Error; err != nil {
		logrus.WithError(err).Error("Failed to update app register config")
		response := map[string]interface{}{
			"code": 1,
			"msg":  "更新注册配置失败",
		}
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(response)
		return
	}

	response := map[string]interface{}{
		"code": 0,
		"msg":  "注册配置更新成功",
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}