<?php
/**
 * Here is your custom functions.
 */

// 验证日期格式是否有问题
function isValidDate($date, $format = 'Y-m-d'): bool
{
    $d = DateTime::createFromFormat($format, $date);
    return $d && $d->format($format) === $date;
}

// 获取IP地址
function getIpLocation($ip): string
{
    $ip2region = new \Ip2Region();
    try {
        $region = $ip2region->memorySearch($ip);
    } catch (\Exception $e) {
        return '未知';
    }
    list($country, $number, $province, $city, $network) = explode('|', $region['region']);
    if ($network === '内网IP') {
        return $network;
    }
    if ($country == '中国') {
        return $province.'-'.$city.':'.$network;
    } else if ($country == '0') {
        return '未知';
    } else {
        return $country;
    }
}

/**
 * 两数相除
 */
function getRound($num, $base, $precision = 2){
    if (!$base) return '0';
    return round($num / $base, $precision);
}

/**
 * 获取百分比
 */
function getPercent($num, $base, $precision = 2, $last = '%')
{
    $num  = intval($num);
    $base = intval($base);

    if (!$base) return '0';

    return round($num / $base * 100, $precision) . $last;
}

// 多维数组排序
function arrSort($data = [],$name='',$sort = 'desc'){
    if(!$data || !$name){
        return false;
    }
    $orders = [];
    foreach($data as $v){
        $orders[] = $v[$name];
    }
    if($sort == 'desc') {
        array_multisort($orders,SORT_DESC, $data);
    } else {
        array_multisort($orders,SORT_ASC, $data);
    }

    return $data;
}

// 传入两日期，获取年范围
function getYearRange($startDate, $endDate)
{
    $startYear = (int)date('Y', strtotime($startDate));
    $endYear = (int)date('Y', strtotime($endDate));

    $years = [];
    for ($year = $startYear; $year <= $endYear; $year++) {
        $years[] = $year;
    }

    return $years;
}

// 获取两个日期之间的所有月份
function getMonthRange($startDate, $endDate): array
{
    $months = [];
    // 转换为 DateTime 对象
    $start = new DateTime($startDate);
    $end = new DateTime($endDate);
    // 确保开始日期不大于结束日期
    if ($start > $end) {
        return $months;
    }
    // 设置开始日期为当月的第一天
    $start->modify('first day of this month');
    // 循环直到超过结束日期
    while ($start <= $end) {
        // 添加当前月份到数组（格式：202508）
        $months[] = $start->format('Ym');
        // 增加一个月
        $start->add(new DateInterval('P1M'));
    }

    return $months;
}

// 获取两个日期之间的所有日期
function getDateRange($startDate, $endDate): array
{
    $dates = [];
    $startDate = new \DateTime($startDate);
    $endDate = new \DateTime($endDate);
    $endDate->modify('+1 day'); // 添加一天，包含结束日期

    $interval = new \DateInterval('P1D');
    $dateRange = new \DatePeriod($startDate, $interval, $endDate);

    foreach ($dateRange as $date) {
        $dates[] = $date->format('Y-m-d');
    }

    return $dates;
}

/**
 * 获取月份差
 */
function getMonthNum($sdate,$edate): float|int
{
    if($sdate > $edate){
        return 0;
    }
    list($y1,$m1)=explode("-",date('Y-m',strtotime($sdate)));
    list($y2,$m2)=explode("-",date('Y-m',strtotime($edate)));

    return abs(($y2-$y1)*12 + $m2-$m1);
}

/**
 * 获取两个日期之间的天数
 */
function getDateNum($sdate,$edate): float|int
{
    return ceil((strtotime($edate) - strtotime($sdate)) / 86400);
}