// Package controller 控制器层
package controller

import (
	"context"
	"encoding/json"
	"strconv"
	"strings"

	"server/common"
	"server/config"
	"server/modules/user/service"
	"server/modules/user/vo"

	"github.com/gin-gonic/gin"
)

type UserProfileController struct {
	service *service.UserService
}

func NewUserProfileController() *UserProfileController {
	return &UserProfileController{service: service.NewUserService()}
}

func (ctrl *UserProfileController) RegisterRoutes(r *gin.RouterGroup) {
	group := r.Group("/user")
	group.GET("/profile", ctrl.GetProfile)
}

// GetProfile 获取登录用户信息
// @Summary      获取登录用户信息
// @Tags         用户
// @Param        platformType  query  int  false  "平台类型(默认1-微信小程序)"
// @Success      200  {object}  common.Response
// @Router       /user/profile [get]
func (ctrl *UserProfileController) GetProfile(c *gin.Context) {
	loginUser := common.GetLoginUser(c)
	if loginUser == nil || loginUser.ID == "" {
		common.Error(c, 401, "未登录")
		return
	}
	userID, err := strconv.ParseInt(loginUser.ID, 10, 64)
	if err != nil {
		common.Error(c, 400, "用户ID格式错误")
		return
	}

	platformType, _ := strconv.ParseInt(c.DefaultQuery("platformType", "1"), 10, 8)
	cacheKey := common.RedisConst.UserProfile.Prefix + strconv.FormatInt(userID, 10) + ":" + strconv.FormatInt(platformType, 10)
	if config.RDB != nil {
		cacheData, err := config.RDB.Get(context.Background(), cacheKey).Result()
		if err == nil && strings.TrimSpace(cacheData) != "" {
			var cachedProfile vo.UserProfileVO
			if err := json.Unmarshal([]byte(cacheData), &cachedProfile); err == nil {
				config.RDB.Expire(context.Background(), cacheKey, common.RedisConst.UserProfile.Expire)
				common.Success(c, cachedProfile)
				return
			}
		}
	}

	profile, err := ctrl.service.GetProfile(userID, int8(platformType))
	if err != nil {
		common.Error(c, 500, err.Error())
		return
	}
	if config.RDB != nil {
		if data, err := json.Marshal(profile); err == nil {
			_ = config.RDB.Set(context.Background(), cacheKey, data, common.RedisConst.UserProfile.Expire).Err()
		}
	}
	common.Success(c, profile)
}