package handler

import (
	"fmt"
	"io"
	"mime"
	"net/http"
	"os"
	"server/call"
	"server/common"
	"server/config"
	"server/db"
	"server/modules/web/app"
	"server/modules/web/values"
	"strings"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/liangdas/mqant/log"
	"gorm.io/gorm"
)

// 加载客服系统配置
func GetCustomerConfig(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	var resp values.GetCustomerConfigResp
	resp.Config = call.GetConfigCustomer()
	a.Data = resp
}

// 获取客服机器人消息
func GetCustomerRobotList(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	req := new(values.GetCustomerRobotReq)
	if !a.SB(req) {
		return
	}
	var resp values.GetCustomerRobotResp

	if req.ParentId == 0 {
		resp.List = call.GetCustomerRobot(req.ParentId)
		if len(resp.List) > 0 {
			resp.Parent = resp.List[0]
		}
		resp.List = call.GetCustomerRobot(resp.List[0].ID)
	} else {
		resp.List = call.GetCustomerRobot(req.ParentId)
		resp.Parent = call.GetCustomerRobotById(req.ParentId)
	}
	a.Data = resp
}

// 机器人客服消息
func GetCustomerRobotMsg(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	req := new(values.GetCustomerRobotMsgReq)
	if !a.SB(req) {
		return
	}
	var resp values.GetCustomerRobotMsgResp
	resp.Content = call.GetCustomerRobotMsg(req.Id)

	// 获取玩家vip等级
	vip := call.GetVIP(a.UID)

	data := &common.CustomerOrder{Uid: a.UID, Start: time.Now().Unix(), Vip: vip.Level, Status: common.CustomerOrderCreate}

	// 创建机器人订单
	err := db.Mysql().Create(data)
	if err != nil {
		log.Error(err.Error())
	}

	// 10秒内玩家没有选择满意是否就默认完成工单
	time.AfterFunc(10*time.Second, func() {
		err = db.Mysql().Update(data, map[string]interface{}{
			"status": common.CustomerOrderComplete,
		})
		if err != nil {
			log.Error(err.Error())
		}
	})

	a.Data = resp
}

// 获取聊天历史
func GetCustomerHistory(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	req := new(values.GetCustomerHistoryReq)
	if !a.SB(req) {
		return
	}
	var resp values.GetCustomerHistoryResp
	Count, err := db.Mysql().QueryList(req.Page-1, req.Num, fmt.Sprintf("title = %v", a.UID), "id DESC", &common.CustomerChatData{}, &resp.List)
	if err != nil {
		log.Error(err.Error())
		a.Code = values.CodeRetry
		return
	}
	resp.Count = Count

	// 查询玩家上一次客服处理是否结束
	data := &common.CustomerOrder{Uid: a.UID}
	err = db.Mysql().GetLast(data)
	if err != nil {
		if err != gorm.ErrRecordNotFound {
			log.Error(err.Error())
			a.Code = values.CodeRetry
			return
		}
	}

	// 是否客服黑名单
	if db.Mysql().Exist(&common.CustomerBlackUser{Uid: a.UID}) {
		resp.IsBlack = true
	}

	resp.Status = data.Status

	// 是否客服黑名单
	if db.Mysql().Exist(&common.CustomerBlackUser{Uid: a.UID}) {
		resp.IsBlack = true
	}

	a.Data = resp
}

// 上传图片
func UploadImage(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()

	// 解析请求中的 multipart/form-data
	err := c.Request.ParseMultipartForm(10 << 20) // 限制上传文件的大小为 10MB
	if err != nil {
		log.Error("图片超过10Mb, err:%v", err.Error())
		a.Code = values.CodeParam
		return
	}

	// 打开上传的文件
	file, header, err := c.Request.FormFile("file")
	if err != nil {
		log.Error("打开上传图片失败, err:%v", err.Error())
		a.Code = values.CodeParam
		return
	}
	defer file.Close()

	// 获取上传文件的 MIME 类型
	contentType := header.Header.Get("Content-Type")
	// 根据 MIME 类型获取文件扩展名
	ext, err := mime.ExtensionsByType(contentType)
	if err != nil || len(ext) == 0 {
		log.Error("获取上传图片格式失败, err:%v", err.Error())
		a.Code = values.CodeParam
		return
	}
	imageName := call.SnowNode().Generate().String() + ext[0]
	// 读取上传的文件内容
	data, err := io.ReadAll(file)
	if err != nil {
		log.Error("读取图片内容失败, err:%v", err.Error())
		a.Code = values.CodeRetry
		return
	}

	// 获取当前日期
	now := time.Now()
	zeroTime := now.Format("20060102")
	rounded := now.Hour()
	dir := fmt.Sprintf("%v/%v/%v", "images", zeroTime, rounded)

	// 创建保存文件的目标文件
	err = createDirIfNotExist(dir)
	if err != nil {
		log.Error("创建图片保存目录, err:%v", err.Error())
		a.Code = values.CodeParam
		return
	}
	// 将上传的文件复制到目标文件
	err = os.WriteFile(dir+"/"+imageName, data, 0644) // 写入文件
	if err != nil {
		a.Code = values.CodeRetry
		return
	}
	name := strings.Replace(dir+"/"+imageName, "/", ",", -1)
	a.Data = config.GetConfig().Web.ImageURL + name
}

// 检测文件目录是否存在
func createDirIfNotExist(path string) error {
	// 检查目录是否存在
	_, err := os.Stat(path)
	if err == nil {
		// 目录已存在，直接返回
		return nil
	}
	// 目录不存在，创建目录
	if os.IsNotExist(err) {
		err = os.MkdirAll(path, 0755)
		if err != nil {
			return err
		}
	}
	return nil
}

// 获取图片
func DownloadImage(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()

	name := c.Query("path")
	path := strings.Replace(name, ",", "/", -1)

	// 打开要返回的图片文件
	file, err := os.Open(path)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
		return
	}
	defer file.Close()

	// 读取图片文件的内容
	data, err := io.ReadAll(file)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
		return
	}

	arr := strings.Split(path, ".")

	// 返回图片
	c.Data(http.StatusOK, "image/"+arr[len(arr)-1], data)
}

// 消息已读
func ReadMessage(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	req := &values.ReadMessageReq{}
	if !a.SB(req) {
		return
	}

	for i := 0; i < len(req.List); i++ {
		err := db.Mysql().Update(&common.CustomerChatData{ID: req.List[i], Title: a.UID}, map[string]interface{}{"is_read": true})
		if err != nil {
			log.Error(err.Error())
		}
	}
}

// 玩家发送消息
func SendMessage(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()
	req := &values.SendMessageReq{}
	if !a.SB(req) {
		return
	}
	req.Title = a.UID
	req.Uid = a.UID
	req.Time = time.Now().Unix()
	err := db.Mysql().Create(&req)
	if err != nil {
		log.Error(err.Error())
		a.Code = values.CodeRetry
		return
	}
	err = db.Mysql().UpdateW(&common.CustomerOrder{}, map[string]interface{}{
		"un_read": gorm.Expr("un_read + 1"),
	}, fmt.Sprintf("uid = %v AND status < %v", a.UID, common.CustomerOrderComplete))
	if err != nil {
		log.Error(err.Error())
	}
	a.Data = req.ID
}

// 转接人工服务
func CreateCustomerOrder(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.ResponseB()
	}()

	if db.Mysql().Exist(&common.CustomerBlackUser{Uid: a.UID}) {
		// 该用户在黑名单
		log.Info("uid:%v 客服黑名单用户,不创建人工服务", a.UID)
		return
	}

	// 查询玩家上一次客服是否结束
	var order []*common.CustomerOrder

	count, err := db.Mysql().QueryList(0, 1, fmt.Sprintf("uid = %v AND status != %v", a.UID, common.CustomerOrderComplete), "", &common.CustomerOrder{}, &order)
	if err != nil {
		log.Error(err.Error())
		a.Code = values.CodeRetry
		return
	} else {
		if count == 0 {
			vip := call.GetVIP(a.UID)
			err = db.Mysql().Create(&common.CustomerOrder{Uid: a.UID, Start: time.Now().Unix(), Vip: vip.Level, Status: common.CustomerOrderCreate})
			if err != nil {
				log.Error(err.Error())
				a.Code = values.CodeRetry
				return
			}
		}
	}
}