package service

import (
	"enterprise/common/dao"
	"enterprise/common/model"
	log "github.com/sirupsen/logrus"
	"github.com/smbrave/goutil"
	"github.com/spf13/cast"
	"math"
	"strings"
	"time"
)

type StaffUser struct {
	user  *model.StaffUser
	corp  *model.Corp
	month string

	vacations []*model.ApprovalVacation
	checkins  []*model.Checkin
}

func NewStaffUser(user *model.StaffUser) *StaffUser {
	uv := &StaffUser{
		user: user,
	}
	return uv
}

func (s *StaffUser) Load(month string) {

	corp, err := dao.NewCorpDao().Get(s.user.CorpId)
	if err != nil {
		log.Errorf("db error :%s", err.Error())
		return
	}

	// 休假申请
	approveVacations, err := dao.NewApprovalVacationDao().GetByUsername(s.user.CorpId, s.user.Username, month, "")
	if err != nil {
		log.Errorf("db error :%s", err.Error())
		return
	}

	//打卡记录
	userCheckins, err := dao.NewCheckinDao().Query(s.user.CorpId, s.user.Username, month, false)
	if err != nil {
		log.Errorf("db error :%s", err.Error())
		return
	}

	s.vacations = approveVacations
	s.checkins = userCheckins
	s.corp = corp
	s.month = month
}

func (v *StaffUser) GetVacationDay() float64 {
	holiday := float64(0)
	for _, vac := range v.vacations {
		startTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationStartTime, time.Local)
		endTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationEndTime, time.Local)

		//同一天请假时长大于8小时算一天
		if startTime.Format("2006-01-02") == endTime.Format("2006-01-02") && vac.VacationDuration > 1 {
			holiday += 1
		} else {
			holiday += vac.VacationDuration
		}
	}
	return holiday
}

func (s *StaffUser) GetTotalWorkDay() int64 {
	return int64(len(s.checkins))
}

func (s *StaffUser) GetRealWorkDay() float64 {
	realWorkdays := float64(0)
	//入职当天算工作日
	entryTime, _ := time.ParseInLocation("2006-01-02", s.user.EntryDate, time.Local)
	if entryTime.Format("200601") == s.month {
		realWorkdays += 1
	}

	//离职当天算工作日
	leaveTime, _ := time.ParseInLocation("2006-01-02", s.user.LeaveDate, time.Local)
	if leaveTime.Format("200601") == s.month {
		realWorkdays += 1
	}

	for _, checkin := range s.checkins {

		//有请假申请的不算出勤
		if s.existVacation(checkin.Day) {
			continue
		}

		//入职离职当天已经算过了
		if entryTime.Format("2006-01-02") == checkin.Day || leaveTime.Format("2006-01-02") == checkin.Day {
			continue
		}

		//有补卡记录的直接算出勤
		if s.existApproveCheckin(checkin.Day) {
			realWorkdays += 1
			continue
		}

		//考勤正常算出勤
		if checkin.IsNormal() {
			realWorkdays += 1
			continue
		}

		//其他情况按工作时长结算
		if checkin.IsCheckin() {
			shouldAttendHour := cast.ToFloat64(s.corp.GetConfig().WorkerHour)
			lackSecond := int64(float64(3600)*(1.5+shouldAttendHour)) - (checkin.EndTime - checkin.StartTime) //加上午休的1.5小时
			if lackSecond > 0 {
				lackHour := float64(lackSecond/3600 + 1) //按小时取整
				realWorkdays += goutil.If(lackHour > shouldAttendHour, 0, 1-lackHour/shouldAttendHour)
			} else {
				realWorkdays += 1
			}
		}
	}

	realWorkdays += s.getVacationSurplus()
	return realWorkdays
}

func (v *StaffUser) existVacation(day string) bool {
	queryDay := cast.ToInt(strings.ReplaceAll(day, "-", ""))
	for _, vac := range v.vacations {
		startTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationStartTime, time.Local)
		endTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationEndTime, time.Local)

		startDay := cast.ToInt(startTime.Format("20060102"))
		endDay := cast.ToInt(endTime.Format("20060102"))
		if queryDay >= startDay && queryDay <= endDay {
			return true
		}
	}
	return false
}

func (s *StaffUser) existApproveCheckin(day string) bool {
	//有补卡申请就直接算出勤
	approvalCheckin, _ := dao.NewApprovalCheckinDao().GetByUsernameDay(s.user.CorpId, s.user.Username, day)
	if approvalCheckin != nil {
		return true
	}
	return false
}

func (s *StaffUser) getVacationSurplus() float64 {
	suplusDays := float64(0)
	vacationMap := make(map[string]float64)
	for _, vac := range s.vacations {
		startTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationStartTime, time.Local)
		endTime, _ := time.ParseInLocation("2006-01-02 15:04:05", vac.VacationEndTime, time.Local)

		startDay := startTime.Format("2006-01-02")
		endDay := endTime.Format("2006-01-02")
		if startDay == endDay {
			vacationMap[startDay] += vac.VacationDuration
			continue
		}

		span := vac.VacationDuration - math.Floor(vac.VacationDuration)
		suplusDays += goutil.If(span > 0, 1-span, 0)
	}

	for _, duration := range vacationMap {
		if duration < 1 {
			suplusDays += 1 - duration
		}
	}

	return suplusDays
}