package xtime

import (
	"fmt"
	"strconv"
	"strings"
	"time"
)

const DefaultTimeLayout = "2006-01-02 15:04:05"

func LeaTime(t int64) string {
	leaSeconds := time.Now().Unix() - t
	mps := []struct {
		Seconds int64
		Title   string
	}{
		{31536000, "years"},
		{604800, "weeks"},
		{86400, "days"},
		{3600, "hours"},
		{60, "min"},
		{1, "sec"},
	}
	res := []string{}
	for _, v := range mps {
		if leaSeconds > v.Seconds {
			if len(res) == 2 {
				break
			}
			n := leaSeconds / v.Seconds
			tt := v.Title
			if n == 1 {
				tt = strings.TrimRight(v.Title, "s")
			}
			res = append(res, fmt.Sprintf("%d %s", n, tt))
			leaSeconds -= v.Seconds * n
		}
	}
	return strings.Join(res, " ")
}

func UnixToTime(unix int64) time.Time {
	return time.Unix(unix, 0)
}
func ParseTime(day string, layout string) int64 {
	if day == "" {
		return 0
	}
	t, err := time.ParseInLocation(layout, day, time.Local)
	if err != nil {
		fmt.Println(err)
		return 0
	}
	return t.Unix()
}

const DefaultLayout = "2006-01-02 15:04:05"

func TimeTodayMinAndMax(ctime time.Time) (min, max time.Time) {
	start, _ := time.ParseInLocation(DefaultLayout, ctime.Format("2006-01-02")+" 00:00:00", time.Local)
	end, _ := time.ParseInLocation(DefaultLayout, ctime.Format("2006-01-02")+" 23:59:59", time.Local)
	return start, end
}
func UnixToStr(t int64) string {
	if t == 0 {
		return ""
	}
	return UnixToTime(t).Format(DefaultTimeLayout)
}

func GetToday(tim time.Time) int64 {
	today, _ := strconv.ParseInt(tim.Format("20060102"), 10, 64)
	return today
}
func Unix() int64 {
	return time.Now().Unix()
}

func UnixTime(unix int64) time.Time {
	return time.Unix(unix, 0)
}
func DayStartToTime(day int64) time.Time {
	start, _ := time.ParseInLocation("20060102 15:04:05", fmt.Sprintf("%d 00:00:00", day), time.Local)
	return start
}
func DayEndToTime(day int64) time.Time {
	start, _ := time.ParseInLocation("20060102 15:04:05", fmt.Sprintf("%d 23:59:59", day), time.Local)
	return start
}

func MinAndMax(ctime time.Time) (min, max time.Time) {
	start, _ := time.ParseInLocation(DefaultLayout, ctime.Format("2006-01-02")+" 00:00:00", time.Local)
	end, _ := time.ParseInLocation(DefaultLayout, ctime.Format("2006-01-02")+" 23:59:59", time.Local)
	return start, end
}
func GetMonday(tt time.Time) time.Time {
	return tt.AddDate(0, 0, -(int(tt.Weekday()) - 1))
}

func GetSunDay(tt time.Time) time.Time {
	return tt.AddDate(0, 0, 7-(int(tt.Weekday())))
}
func Rang(start time.Time, end time.Time, fun func(ctime time.Time)) {
	ctime := start
	for ctime.Before(end) {
		fun(ctime)
		ctime = ctime.AddDate(0, 0, 1)
	}
}
func EsTime(t time.Time) string {
	return t.Format(time.RFC3339)
}