<?php

namespace app\admin\model\data;

use think\Model;


class Time
{

    /**
     * 获取指定日期的指定天数内
     * 每一天的开始与结束时间
     * @param $date
     * @return array
     * @throws \Exception
     */
    public function getDaysStartAndEnd($date, $days = 7) {
        $dt = new \DateTime($date);
        // 初始化结果数组
        $dayList = [];
        for ($i = 0; $i < $days; $i++) {
            // 格式化开始和结束时间
            $dayStart = $dt->format('Y-m-d 00:00:00');
            $dayEnd = $dt->format('Y-m-d 23:59:59');
            $dayList[$dt->format('Y-m-d')] = ['start' => strtotime($dayStart), 'end' => strtotime($dayEnd)];

            // 递增日期
            $dt->add(new \DateInterval('P1D')); // 增加一天
        }

        return $dayList;
    }

    /**
     * 获取指定日期的一个月内
     * 每一天的开始与结束时间
     * @param $date
     * @return array
     * @throws \Exception
     */
    public function getMonthDaysStartAndEnd($date) {
        $start = new \DateTime($date);
        $end = clone $start;
        $end->modify('+1 month'); // 移动到一个月后

        // 初始化结果数组
        $dayList = [];
        while ($start < $end) {
            $dayStart = $start->format('Y-m-d 00:00:00');
            $dayEnd = $start->format('Y-m-d 23:59:59');
            $dayList[$start->format('Y-m-d')] = ['start' => strtotime($dayStart), 'end' => strtotime($dayEnd)];

            // 递增日期
            $start->add(new \DateInterval('P1D')); // 增加一天
        }
        return $dayList;
    }

    /**
     * 获取指定日期的一个季度内
     * 每一天的开始与结束时间
     * @param $date
     * @return array
     * @throws \Exception
     */
    public function getQuarterDaysStartAndEnd($date) {
        $start = new \DateTime($date);
        $end = clone $start;
        $end->modify('+3 month'); // 移动到一个月后

        // 初始化结果数组
        $dayList = [];
        while ($start < $end) {
            $dayStart = $start->format('Y-m-d 00:00:00');
            $dayEnd = $start->format('Y-m-d 23:59:59');
            $dayList[$start->format('Y-m-d')] = ['start' => strtotime($dayStart), 'end' => strtotime($dayEnd)];

            // 递增日期
            $start->add(new \DateInterval('P1D')); // 增加一天
        }
        return $dayList;
    }

    /**
     * 获取指定日期的一年内
     * 每一天的开始与结束时间
     * @param $date
     * @return array
     * @throws \Exception
     */
    public function getYearDaysStartAndEnd($date) {
        $start = new \DateTime($date);
        $end = clone $start;
        $end->modify('+1 years'); // 移动到一个月后

        // 初始化结果数组
        $dayList = [];
        while ($start < $end) {
            $dayStart = $start->format('Y-m-d 00:00:00');
            $dayEnd = $start->format('Y-m-d 23:59:59');
            $dayList[$start->format('Y-m-d')] = ['start' => strtotime($dayStart), 'end' => strtotime($dayEnd)];

            // 递增日期
            $start->add(new \DateInterval('P1D')); // 增加一天
        }
        return $dayList;
    }


    /**
     * 获取指定日期范围内
     * 每一天的开始与结束时间
     * @param $startDate
     * @param $endDate
     * @return array
     * @throws \Exception
     */
    function getDateRangeStartAndEnd($startDate, $endDate) {
        $start = new \DateTime($startDate);
        $end = new \DateTime($endDate);
        $end->modify('+1 day'); // 包含结束日期那天

        // 初始化结果数组
        $dayList = [];
        while ($start < $end) {
            $dayStart = $start->format('Y-m-d 00:00:00');
            $dayEnd = $start->format('Y-m-d 23:59:59');
            $dayList[$start->format('Y-m-d')] = ['start' => strtotime($dayStart), 'end' => strtotime($dayEnd)];

            // 递增日期
            $start->add(new \DateInterval('P1D')); // 增加一天
        }

        return $dayList;
    }


    /**
     * 获取指定日期的开始与结束时间
     * @return array
     */
    public function getFilterStartEndTime($time,$unit){
        
        switch ($unit){
            case 'date':
                $startTime = strtotime($time.' midnight');
                $endTime = strtotime($time . " 23:59:59");
                break;
            case 'week':
                $startTime = strtotime($time.' midnight');
                $endTime = strtotime($time."+7 day 23:59:59");
                break;
            case 'month':
                $startTime = strtotime($time.'-01 00:00:00');
                $endTime = strtotime($time." next month") - 1;
                break;
            case 'quarter':
                $year = date('Y', strtotime($time));
                $month = date('m', strtotime($time));
                $quarter = ceil($month / 3);
                $startMonth = ($quarter - 1) * 3 + 1;
                $endMonth = $startMonth + 2;
                $startOfQuarter = "$year-$startMonth-01 00:00:00";
                $endOfQuarter = date('Y-m-t 23:59:59', strtotime("$year-$endMonth-01"));
                $startTime = strtotime($startOfQuarter);
                $endTime = strtotime($endOfQuarter);
                break;
            case 'year':
                $year = date('Y', strtotime($time));
                $startTime = strtotime("$year-01-01 00:00:00");
                $endTime = strtotime("$year-12-31 23:59:59");
                break;
            case 'range':
                $startTime = strtotime($time[0] . " 00:00:00");
                $endTime = strtotime($time[1] . " 23:59:59");
                break;
        }

        return ['start'=>$startTime,'end'=>$endTime];
    }
}