package plat

import (
	"context"
	"database/sql"
	"strconv"
	"strings"

	"dashoo.cn/opms_libary/myerrors"
	"github.com/gogf/gf/frame/g"
	"github.com/gogf/gf/os/gtime"
	"github.com/gogf/gf/util/gconv"

	"dashoo.cn/micro/app/dao/plat"
	model "dashoo.cn/micro/app/model/plat"
	"dashoo.cn/micro/app/service"
)

type followupService struct {
	*service.ContextService

	Dao *plat.PlatFollowupDao
}

func NewFollowupService(ctx context.Context) (svc *followupService, err error) {
	svc = new(followupService)
	if svc.ContextService, err = svc.Init(ctx); err != nil {
		return nil, err
	}
	svc.Dao = plat.NewPlatFollowupDao(svc.Tenant)
	return svc, nil
}

// 跟进记录信息列表
func (s *followupService) GetList(req *model.SearchPlatFollowupReq) (total int, followupList []*model.PlatFollowup, err error) {
	followupModel := s.Dao.M

	if req.CustId != "" {
		followupModel = followupModel.Where("cust_id", req.CustId)
	}
	if req.CustName != "" {
		followupModel = followupModel.WhereLike("cust_name", "%"+req.CustName+"%")
	}
	if req.TargetId != "" {
		followupModel = followupModel.Where("target_id", req.TargetId)
	}
	if req.TargetType != "" {
		followupModel = followupModel.Where("target_type", req.TargetType)
	}
	if req.TargetName != "" {
		followupModel = followupModel.WhereLike("target_name", "%"+req.TargetName+"%")
	}
	// 负责人查询
	if req.ManagerId != "" {
		followupModel = followupModel.Where("created_by", req.ManagerId)
	}
	if req.IsMyself == "1" {
		followupModel = followupModel.Where("created_by", s.GetCxtUserId())
	}

	total, err = followupModel.Count()
	if err != nil {
		g.Log().Error(err)
		err = myerrors.DbError("获取总行数失败。")
		return
	}

	err = followupModel.Page(req.GetPage()).Order("follow_date DESC").Scan(&followupList)
	return
}

// 添加信息
func (s *followupService) Create(req *model.AddPlatFollowupReq) (err error) {
	platFollowup := new(model.PlatFollowup)
	var files []*model.PlatFollowupFile
	if err = gconv.Struct(req, platFollowup); err != nil {
		return
	}
	// 填充创建信息
	service.SetCreatedInfo(platFollowup, s.GetCxtUserId(), s.GetCxtUserName())
	// 填充更新信息
	//service.SetUpdatedInfo(platFollowup, s.GetCxtUserId(), s.GetCxtUserName())
	res, err := s.Dao.Insert(platFollowup)
	if err != nil {
		return
	}
	// 更新附件数据
	id, _ := res.LastInsertId()
	for _, file := range req.Files {
		var fileData model.PlatFollowupFile
		if err = gconv.Struct(file, &fileData); err != nil {
			return
		}
		fileData.FollowId = strconv.Itoa(int(id))
		// 填充创建信息
		service.SetCreatedInfo(&fileData, s.GetCxtUserId(), s.GetCxtUserName())
		// 填充更新信息
		//service.SetUpdatedInfo(fileData, s.GetCxtUserId(), s.GetCxtUserName())
		files = append(files, &fileData)
	}

	// 保存附件信息
	if len(files) > 0 {
		_, err = s.Dao.DB.Insert(plat.PlatFollowupFile.Table, files)
		if err != nil {
			return
		}
	}
	// 更新客户 最后跟进时间 字段
	toUpdate := map[string]interface{}{
		"follow_up_date": req.FollowDate,
		"follow_up_man":  s.GetCxtUserName(),
	}
	_, err = s.Dao.DB.Update("cust_customer", toUpdate, "id = ?", req.CustId)

	return
}

// 跟进记录信息列表：按照日期显示，并附带评论
func (s *followupService) GetListByDay(req *model.SearchPlatFollowupReq) (total int, followupList []*model.FollowupInfoResp, err error) {
	followupModel := s.Dao.M

	if req.CustId != "" {
		followupModel = followupModel.Where("cust_id", req.CustId)
	}
	if req.CustName != "" {
		followupModel = followupModel.WhereLike("cust_name", "%"+req.CustName+"%")
	}
	if req.TargetId != "" {
		followupModel = followupModel.Where("target_id", req.TargetId)
	}
	if req.TargetType != "" {
		followupModel = followupModel.Where("target_type", req.TargetType)
	}
	if req.TargetName != "" {
		followupModel = followupModel.WhereLike("target_name", "%"+req.TargetName+"%")
	}
	// 负责人查询
	if req.ManagerId != "" {
		followupModel = followupModel.Where("created_by", req.ManagerId)
	}
	if req.IsMyself == "1" {
		followupModel = followupModel.Where("created_by", s.GetCxtUserId())
	}
	// 日期条件
	if req.DaysBeforeToday >= 0 { // 获取前N天的跟进记录
		now := gtime.Now()
		begin := now.AddDate(0, 0, -req.DaysBeforeToday).Format("Y-m-d 00:00:00")
		followupModel = followupModel.Where("follow_date>=?", begin)
	}
	// 获取日期区间范围内的记录
	if req.BeginTime != "" && req.EndTime != "" {
		begin := strings.Split(req.BeginTime, " ")[0] + " 00:00:00"
		end := strings.Split(req.EndTime, " ")[0] + " 23:59:59"
		followupModel = followupModel.Where("follow_date>=? AND follow_date<=?", begin, end)
	}

	//total, err = followupModel.Count()
	//if err != nil {
	//	g.Log().Error(err)
	//	err = gerror.New("获取总行数失败")
	//	return
	//}

	// 查询原始记录
	var originalFollowupList []model.FollowupInfo
	err = followupModel.Order("follow_date DESC").Scan(&originalFollowupList)
	if err != nil && err != sql.ErrNoRows {
		return
	}
	// 查询一级评论
	var comments []model.PlatFollowupComment
	err = s.Dao.InnerJoin(plat.PlatFollowupComment.Table, "plat_followup.id=plat_followup_comment.follow_id").Where("plat_followup_comment.pid=0 OR plat_followup_comment.pid IS NULL").Fields("plat_followup_comment.*").Structs(&comments)
	if err != nil && err != sql.ErrNoRows {
		return
	}
	// 构造数据
	var days []string
	followupMap := make(map[string][]*model.FollowupInfo, 0)
	commentMap := make(map[int][]*model.PlatFollowupComment, 0)
	// 评论数据map
	for index, comment := range comments {
		if _, ok := commentMap[comment.FollowId]; !ok {
			commentMap[comment.FollowId] = make([]*model.PlatFollowupComment, 0)
		}
		commentMap[comment.FollowId] = append(commentMap[comment.FollowId], &comments[index])
	}
	// 跟进记录map
	for index, followup := range originalFollowupList {
		if _, ok := followupMap[followup.FollowDate.Format("Y-m-d")]; !ok {
			days = append(days, followup.FollowDate.Format("Y-m-d"))
			followupMap[followup.FollowDate.Format("Y-m-d")] = make([]*model.FollowupInfo, 0)
		}
		if followup.Comments == nil {
			originalFollowupList[index].Comments = make([]*model.PlatFollowupComment, 0)
		}
		// 为跟进记录填充评论数据
		if _, ok := commentMap[followup.Id]; ok {
			originalFollowupList[index].Comments = append(originalFollowupList[index].Comments, commentMap[followup.Id]...)
		}
		originalFollowupList[index].CommentNumber = len(originalFollowupList[index].Comments)
		followupMap[followup.FollowDate.Format("Y-m-d")] = append(followupMap[followup.FollowDate.Format("Y-m-d")], &originalFollowupList[index])
	}

	for _, day := range days {
		var followup model.FollowupInfoResp
		followup.FollowDay = day
		followup.FollowupList = followupMap[day]
		followupList = append(followupList, &followup)
	}

	return
}