#时间日期工具箱
#author:lybbn
#QQ:1042594286
#programe:django-vue-lyadmin
#date:2023-12-17
#version:v1.1

import re
import datetime

def convertstr2datetime(string,arg="%Y-%m-%d %H:%M:%S"):
    return datetime.datetime.strptime(string, arg)

def getTodayRange():
    """
    获取今天时间范围如：2023-08-02 00:00:01,2023-08-02 23:59:59
    """
    now = datetime.datetime.now()
    dtstr = now.strftime('%Y-%m-%d')
    starttime = dtstr+" 00:00:01"
    endtime = dtstr + " 23:59:59"
    return  starttime,endtime

def getLastdayRange():
    """
    获取昨天时间范围如：2023-08-02 00:00:01,2023-08-02 23:59:59
    """
    now = datetime.datetime.now()
    last_date = now + datetime.timedelta(days=-1)  # 昨天
    dtstr = last_date.strftime('%Y-%m-%d')
    starttime = dtstr+" 00:00:01"
    endtime = dtstr + " 23:59:59"
    return  starttime,endtime

def getLastdayRangeDate():
    """
    获取昨天时间范围如：2023-08-02,2023-08-02
    """
    now = datetime.datetime.now()
    last_date = now + datetime.timedelta(days=-1)  # 昨天
    dtstr = last_date.strftime('%Y-%m-%d')
    starttime = dtstr
    endtime = dtstr
    return  starttime,endtime

def getdayRangeDateByString(string):
    """
    根据字符串含义获取日期：(最大30天前日期)
    获取昨天时间范围如： string = last1day    取值昨天日期2023-08-02,2023-08-02
    """
    REGEX_STRING = "^last\d+day$"
    nums = re.findall("\d+", string)
    num = int(nums[0])
    if num>30:
        num = 30
    now = datetime.datetime.now()
    last_date = now + datetime.timedelta(days=-num)
    dtstr = last_date.strftime('%Y-%m-%d')
    starttime = dtstr
    endtime = dtstr
    return  starttime,endtime

def get7daysRange():
    """
    获取近7天时间范围如：2023-08-02 00:00:01,2023-08-02 23:59:59
    """
    now = datetime.datetime.now()
    data7 = now + datetime.timedelta(days=-7)
    nowstr = now.strftime('%Y-%m-%d')
    last_dtstr = data7.strftime('%Y-%m-%d')
    starttime = last_dtstr+" 00:00:01"
    endtime = nowstr + " 23:59:59"
    return  starttime,endtime

def get30daysRange():
    """
    获取近30天时间范围如：2023-08-02 00:00:01,2023-08-02 23:59:59
    """
    now = datetime.datetime.now()
    last_date = now + datetime.timedelta(days=-30)
    nowstr = now.strftime('%Y-%m-%d')
    last_dtstr = last_date.strftime('%Y-%m-%d')
    starttime = last_dtstr+" 00:00:01"
    endtime = nowstr + " 23:59:59"
    return  starttime,endtime

def getCurrentMonthRange():
    """
    获取本月时间范围如：2023-08-01 00:00:01,2023-08-31 23:59:59
    """
    now = datetime.datetime.now()
    nowday = now.day
    nowday =str(nowday) if len(str(nowday)) >1 else "0"+str(nowday)
    nowyear = now.year
    nowmonth = now.month
    starttime = str(nowyear)+"-"+str(nowmonth)+"-01"+" 00:00:01"
    endtime = str(nowyear)+"-"+str(nowmonth)+"-"+ nowday + " 23:59:59"
    return  starttime,endtime

def getCurrentMonthRangeDate():
    """
    获取本月时间范围如：2023-08-01,2023-08-31
    """
    now = datetime.datetime.now()
    nowday = now.day
    nowday =str(nowday) if len(str(nowday)) >1 else "0"+str(nowday)
    nowyear = now.year
    nowmonth = now.month
    starttime = str(nowyear)+"-"+str(nowmonth)+"-01"
    endtime = str(nowyear)+"-"+str(nowmonth)+"-"+ nowday
    return  starttime,endtime

def getLastMonthRange():
    """
    获取上个月时间范围如：2023-08-02 00:00:01,2023-08-02 23:59:59
    """
    now = datetime.datetime.now()
    this_month_start = datetime.datetime(now.year, now.month, 1)
    last_month_end = this_month_start - datetime.timedelta(days=1) + datetime.timedelta(hours=23, minutes=59, seconds=59)
    last_month_start = datetime.datetime(last_month_end.year, last_month_end.month, 1)
    starttime = last_month_start.strftime('%Y-%m-%d')+" 00:00:01"
    endtime = last_month_end.strftime('%Y-%m-%d') + " 23:59:59"
    return  starttime,endtime

def getLastMonthRangeDate():
    """
    获取上个月时间范围如：2023-08-01,2023-08-31
    """
    now = datetime.datetime.now()
    this_month_start = datetime.datetime(now.year, now.month, 1)
    last_month_end = this_month_start - datetime.timedelta(days=1) + datetime.timedelta(hours=23, minutes=59, seconds=59)
    last_month_start = datetime.datetime(last_month_end.year, last_month_end.month, 1)
    starttime = last_month_start.strftime('%Y-%m-%d')
    endtime = last_month_end.strftime('%Y-%m-%d')
    return  starttime,endtime

def getLast2MonthRangeDate():
    """
    获取上上个月时间范围如：2023-08-01,2023-08-31
    """
    now = datetime.datetime.now()
    this_month_start = datetime.datetime(now.year, now.month, 1)
    last_month_end = this_month_start - datetime.timedelta(days=1) + datetime.timedelta(hours=23, minutes=59, seconds=59)
    last_month_start = datetime.datetime(last_month_end.year, last_month_end.month, 1)
    last_2month_end = last_month_start - datetime.timedelta(days=1) + datetime.timedelta(hours=23, minutes=59,seconds=59)
    last_2month_start = datetime.datetime(last_2month_end.year, last_2month_end.month, 1)
    starttime = last_2month_start.strftime('%Y-%m-%d')
    endtime = last_2month_end.strftime('%Y-%m-%d')
    return  starttime,endtime


def getCurrentWeekRangeDate():
    """
    获取本周的日期范围
    """
    monday, sunday = datetime.date.today(), datetime.date.today()
    one_day = datetime.timedelta(days=1)
    while monday.weekday() != 0:
        monday -= one_day
    while sunday.weekday() != 6:
        sunday += one_day
    # 返回时间字符串
    return datetime.datetime.strftime(monday, "%Y-%m-%d"), datetime.datetime.strftime(sunday, "%Y-%m-%d")

def getLast1WeekRangeDate():
    """
    获取上周的日期范围
    """
    today = datetime.datetime.today()
    end_time = today - datetime.timedelta(days=today.isoweekday())
    start_time = end_time - datetime.timedelta(days=6)
    return start_time.strftime("%Y-%m-%d"), end_time.strftime("%Y-%m-%d")

def getLast2WeekRangeDate():
    """
    获取上上周的日期范围
    """
    std,edt = getLast1WeekRangeDate()
    std = datetime.datetime.strptime(std, '%Y-%m-%d')
    edt = datetime.datetime.strptime(edt, '%Y-%m-%d')
    end_time = std - datetime.timedelta(days=1)
    start_time = end_time - datetime.timedelta(days=6)
    return start_time.strftime("%Y-%m-%d"), end_time.strftime("%Y-%m-%d")

def getLast3WeekRangeDate():
    """
    获取上上上周的日期范围
    """
    std,edt = getLast1WeekRangeDate()
    std = datetime.datetime.strptime(std, '%Y-%m-%d')
    edt = datetime.datetime.strptime(edt, '%Y-%m-%d')
    end_time = std - datetime.timedelta(days=1)
    start_time = end_time - datetime.timedelta(days=6)
    return start_time.strftime("%Y-%m-%d"), end_time.strftime("%Y-%m-%d")