package common

import (
	"fmt"
	"time"
)

// getAttendancePeriodV2 返回当前考勤周期的起止日期
func getAttendancePeriodV2(month string) (start, end time.Time) {
	now, _ := time.ParseInLocation("2006-01", month, time.Local)
	currentMonth := now.Month()
	currentYear := now.Year()

	// 如果当前日期在25号（含）之后，考勤周期的开始日期是本月的26号
	if now.Day() > 25 {
		start = time.Date(currentYear, currentMonth, 26, 0, 0, 0, 0, now.Location())
		// 结束日期是下个月的25号
		if currentMonth == time.December {
			end = time.Date(currentYear+1, time.January, 25, 23, 59, 59, 0, now.Location())
		} else {
			end = time.Date(currentYear, currentMonth+1, 25, 23, 59, 59, 0, now.Location())
		}
		return start, end
	} else {
		// 考勤周期的开始日期是上个月的26号
		if currentMonth == time.January {
			start = time.Date(currentYear-1, time.December, 26, 0, 0, 0, 0, now.Location())
		} else {
			start = time.Date(currentYear, currentMonth-1, 26, 0, 0, 0, 0, now.Location())
		}
		// 结束日期是本月的25号
		end = time.Date(currentYear, currentMonth, 25, 23, 59, 59, 0, now.Location())
		return start, end
	}
}

// isCollectionMonthWithinAttendancePeriodV2 判断查询考勤周期是否在考勤周期之内
func isCollectionMonthWithinAttendancePeriodV2(resignationDateStr, month, startDate, endDate string) bool {
	fmt.Println("========================== isCollectionMonthWithinAttendancePeriodV2 =======================================")
	fmt.Printf("resignationDateStr: %s, month: %s, startDate: %s, endDate: %s\n", resignationDateStr, month, startDate, endDate)
	fmt.Println("===========================================================================================================")
	resignationDate, err := time.Parse("2006-01-02", resignationDateStr)
	if err != nil {
		fmt.Println("Error parsing date: 3 ", err)
		return false
	}

	if month != "" {
		start, end := getAttendancePeriodV2(month)
		fmt.Println("================================ end ============================")
		if !resignationDate.After(end) && !resignationDate.Before(start) {
			return true
		}

		if resignationDate.After(start) {
			return true
		}
	}

	if startDate != "" && endDate != "" {
		startDateT, startDateErr := time.ParseInLocation("2006-01-02", startDate, time.Local)
		fmt.Println("================================ startDateT ============================")
		if startDateErr != nil {
			fmt.Println("Error parsing date: 4 ", startDateErr)
			return false
		}

		endDateT, endDateErr := time.ParseInLocation("2006-01-02", endDate, time.Local)
		fmt.Println("================================ endDateT ============================")
		if endDateErr != nil {
			fmt.Println("Error parsing date: 4 ", endDateErr)
			return false
		}

		if !endDateT.Before(resignationDate) && !startDateT.After(resignationDate) {
			return true
		}

		if startDateT.After(resignationDate) {
			return false
		}

		if resignationDate.After(endDateT) {
			return true
		}
	}

	return false
}

// IsBeforeOrEqualCollectionMonthV2 判断 month 是否在当前考勤周期之前或等于当前考勤周期
func IsBeforeOrEqualCollectionMonthV2(resignationDateStr, month, startDate, endDate string) bool {

	return isCollectionMonthWithinAttendancePeriodV2(resignationDateStr, month, startDate, endDate)
}