package utils

import (
	"fmt"
	"math"
	"time"

	"github.com/jinzhu/now"
)

// 判断时间点处于今天
func IsToday(d int64) bool {
	tt := time.Unix(d, 0)
	now := time.Now()
	return tt.Year() == now.Year() && tt.Month() == now.Month() && tt.Day() == now.Day()
}

//判断是否大于1周
func IsAfterWeek(d int64) bool {
	tt := time.Unix(d, 0)
	nowt := time.Now()
	if !tt.Before(nowt) {
		return false
	}
	at := now.With(tt).AddDate(0, 0, 7).Unix()
	return nowt.Unix() >= at
}

// 是否今日首次
func IsFirstTody(timestamp int64) bool {
	now := time.Now()
	if timestamp == 0 || timestamp > now.Unix() {
		return false
	}
	tt := time.Unix(timestamp, 0)
	if !IsToday(timestamp) {
		if tt.Before(now) {
			return true
		}
	}
	return false
}

// 获取当前时间戳下一天0点时间戳
func GetZeroTime(curTime int64) int64 {
	currentTime := time.Unix(curTime, 0)
	startTime := time.Date(currentTime.Year(), currentTime.Month(), currentTime.Day(), 0, 0, 0, 0, currentTime.Location())

	return startTime.Unix() + 86400 //3600*24
}

func IsYestoday(timestamp int64) bool {
	tt := time.Unix(timestamp, 0)
	yesTime := time.Now().AddDate(0, 0, -1)
	return tt.Year() == yesTime.Year() && tt.Month() == yesTime.Month() && tt.Day() == yesTime.Day()
}

// 确定换算规则 现实1H = 虚拟4H
// 计算：根据开服时间为起始时间，计算当前时间与起始时间的差值，计算虚拟当前时间
func MatrixingHour(beginTime string) (t time.Time) {
	location, err := time.LoadLocation("Asia/Shanghai")
	if err != nil {
		return
	}
	myConfig := &now.Config{
		WeekStartDay: time.Monday,
		TimeLocation: location,
		TimeFormats:  []string{"2006-01-02 15:04:05"},
	}

	serverStartTime, _ := myConfig.Parse(beginTime)

	n := time.Now()
	timeSub := n.Sub(serverStartTime)
	hourSub := timeSub.Hours() * 2

	hh, _ := time.ParseDuration("1h")
	fmt.Println(hourSub, math.Ceil(hourSub))
	t2 := serverStartTime.Add(hh * time.Duration(math.Ceil(hourSub)))

	fmt.Println(t2)

	return
}

func AddHour(hour int) time.Time {
	return time.Now().Add(time.Duration(hour) * time.Hour)
}

// CD
func IsInCDHour(cdTime int64) bool {
	if cdTime == 0 {
		return false
	}
	return time.Now().Unix() < cdTime
}

// 获取本月的开始和结束的时间戳
func GetMonthStartEnd() (int64, int64) {
	t := time.Now()
	monthStartDay := t.AddDate(0, 0, -t.Day()+1)
	monthStartTime := time.Date(monthStartDay.Year(), monthStartDay.Month(), monthStartDay.Day(), 0, 0, 0, 0, t.Location())
	monthEndDay := monthStartTime.AddDate(0, 1, -1)
	monthEndTime := time.Date(monthEndDay.Year(), monthEndDay.Month(), monthEndDay.Day(), 23, 59, 59, 0, t.Location())
	_d1 := monthStartTime.Unix()
	_d2 := monthEndTime.Unix()
	fmt.Printf("%d,%d", _d1, _d2)
	return _d1, _d2
}