<?php

namespace common\components;

use Yii;

class dateUtil
{

    //日期时间转换 ssh 2021.3.4
    public static function formatTime($searchTime, $startTime, $endTime, $Stat = false)
    {
        switch ($searchTime) {
            case 'yesterday':
                //昨天
                $startTime = date("Y-m-d 00:00:00", strtotime("-1 day"));
                $endTime = date("Y-m-d 23:59:59", strtotime("-1 day"));
                if ($Stat) {
                    $startTime = date("Ymd", strtotime("-1 day"));
                    $endTime = date("Ymd", strtotime("-1 day"));
                }
                break;
            case 'today':
                //今天
                $startTime = date("Y-m-d 00:00:00");
                $endTime = date("Y-m-d 23:59:59");
                if ($Stat) {
                    $startTime = date("Ymd");
                    $endTime = date("Ymd");
                }
                break;
            case 'thisMonth':
                //本月
                $startTime = date("Y-m-d H:i:s", mktime(0, 0, 0, date("m"), 1, date("Y")));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, date("m"), date("t"), date("Y")));
                if ($Stat) {
                    $startTime = date("Ymd", mktime(0, 0, 0, date("m"), 1, date("Y")));
                    $endTime = date("Ymd", mktime(23, 59, 59, date("m"), date("t"), date("Y")));
                }
                break;
            case 'lastMonth':
                //上个月
                $startTime = date("Y-m-d H:i:s", mktime(0, 0, 0, date("m") - 1, 1, date("Y")));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, date("m"), 0, date("Y")));
                if ($Stat) {
                    $startTime = date("Ymd", mktime(0, 0, 0, date("m") - 1, 1, date("Y")));
                    $endTime = date("Ymd", mktime(23, 59, 59, date("m"), 0, date("Y")));
                }
                break;
            case 'thisYear':
                //今年
                $startTime = date("Y-m-d H:i:s", mktime(0, 0, 0, 1, 1, date("Y")));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, 1, 0, date("Y", strtotime('+1 year'))));
                if ($Stat) {
                    $startTime = date("Ymd", mktime(0, 0, 0, 1, 1, date("Y")));
                    $endTime = date("Ymd", mktime(23, 59, 59, 1, 0, date("Y", strtotime('+1 year'))));
                }
                break;
            case 'lastWeek':
                //上周
                $startTime = date("Y-m-d H:i:s", mktime(0, 0, 0, date("m"), date("d") - date("w") + 1 - 7, date("Y")));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, date("m"), date("d") - date("w") + 7 - 7, date("Y")));
                break;
            case 'thisWeek':
                //本周
                $startTime = date("Y-m-d H:i:s", mktime(0, 0, 0, date("m"), date("d") - date("w") + 1, date("Y")));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, date("m"), date("d") - date("w") + 7, date("Y")));
                break;
            case 'thisSeason':
                //本季度
                //本季度未最后一月天数
                $getMonthDays = date("t", mktime(0, 0, 0, date('n') + (date('n') - 1) % 3, 1, date("Y")));
                $startTime = date('Y-m-d H:i:s', mktime(0, 0, 0, date('n') - (date('n') - 1) % 3, 1, date('Y')));
                $endTime = date('Y-m-d H:i:s', mktime(23, 59, 59, date('n') + (date('n') - 1) % 3, $getMonthDays, date('Y')));
                break;
            case 'custom':
                //自定义
                if (empty($startTime)) {
                    util::fail('请选择开始时间');
                }
                if (empty($endTime)) {
                    util::fail('请选择结束时间');
                }
                if ($Stat) {
                    $startTime = date("Ymd", strtotime($startTime));
                    $endTime = date("Ymd", strtotime($endTime));
                } else {
                    $startTime = $startTime . ' 00:00:00';
                    $endTime = $endTime . ' 23:59:59';
                }
                break;
            case 'byMonth':
                $startTime = $startTime . '-01 00:00:00';
                $m = date("m", strtotime($startTime));
                $y = date("Y", strtotime($startTime));
                $endTime = date("Y-m-d H:i:s", mktime(23, 59, 59, $m + 1, 0, $y));
                if ($Stat) {
                    $startTime = date("Ymd", strtotime($startTime));
                    $endTime = date("Ymd", strtotime($endTime));
                }
                break;
            default:
                //今天
                $startTime = date("Y-m-d 00:00:00");
                $endTime = date("Y-m-d 23:59:59");
                if ($Stat) {
                    $startTime = date("Ymd");
                    $endTime = date("Ymd");
                }
        }
        //外面使用between包含边界
        return ['startTime' => $startTime, 'endTime' => $endTime];
    }

    //获取日期 ssh 2019.9.16
    public static function getDate($type = 0)
    {
        switch ($type) {
            case 1:
                //最近7天
                $start = date('Ymd', strtotime("-7 days"));
                $end = date("Ymd");
                break;
            case 2:
                //最近30天
                $start = date('Ymd', strtotime("-30 days"));
                $end = date("Ymd");
                break;
            case 3:
                //本月
                $start = date("Ym") . "01";
                $end = date("Ymd");
                break;
            case 4:
                //上个月
                $start = date("Ymd", mktime(0, 0, 0, date("m") - 1, 1, date("Y")));
                $end = date("Ymd", mktime(23, 59, 59, date("m"), 0, date("Y")));
                break;
        }
        return [$start, $end];
    }

    //取月份 $type=30以上的表示取月份 ssh 2019.12.31
    public static function getMonth($type = 30)
    {
        $end = date("Ym");
        switch ($type) {
            case 30:
                //最近3个月
                $start = self::getStartMonth(3);
                break;
            case 31:
                //最近半年
                $start = self::getStartMonth(6);
                break;
            case 32:
                //最近一年
                $start = self::getStartMonth(12);
                break;
            case 33:
                //今年
                $start = date("Y01");
                break;
            default:
                $start = self::getStartMonth(3);
        }
        return [$start, $end];
    }

    //获取开始的月份 ssh 2019.12.31
    public static function getStartMonth($num)
    {
        $base = date('Ym01');
        for ($i = 1; $i < $num; $i++) {
            $start = date('Ym', strtotime('-1 month', strtotime($base)));
            $base = $start . '01';
        }
        return $start;
    }

}