<?php
if (!function_exists('get_cache_key')) {
    function get_cache_key(string $id): string
    {
        return 'user_' . $id . '_captcha_code';
    }
}

if (!function_exists('get_step_key')) {
    function get_step_key($chatId)
    {
        return "{$chatId}_status";
    }
}

if (!function_exists('is_valid_date')) {
    function is_valid_date($date)
    {
        // 使用正则表达式匹配 yyyy-mm-dd 格式的日期
        return preg_match('/^\d{4}-\d{2}-\d{2}$/', $date) === 1;
    }
}


if (!function_exists('getUuid')) {
    function getUuid()
    {
        // Generate 16 bytes (128 bits) of random data or use the data passed into the function.
        $data = random_bytes(16);

        // Set version to 0100
        $data[6] = chr(ord($data[6]) & 0x0f | 0x40);
        // Set bits 6-7 to 10
        $data[8] = chr(ord($data[8]) & 0x3f | 0x80);

        // Output the 36 character UUID.
        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
    }
}

if (!function_exists('calculate_age')) {
    function calculate_age($birthDate)
    {
        $currentDate = new DateTime();
        $birthDate = new DateTime($birthDate);
        $age = $currentDate->diff($birthDate);
        return $age->y;
    }
}


if (!function_exists('get_string_translate')) {
    function get_string_translate(string $key): string
    {
        $value = __("messages.translate.{$key}");
        if ($value == "messages.translate.{$key}") return $key;
        return $value;
    }
}

if (!function_exists('generate_random_string')) {
    function generate_random_string(int $length = 6): string
    {
        $characters = '0123456789abcdefghijklmnopqrstuvwxyz';
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString;
    }
}


if (!function_exists('get_tags')) {
    function get_tags(int $length = 3): array
    {
        $array = ['Reading', 'Traveling', 'Photography', 'Music', 'Painting', 'Yoga', 'Cooking', 'Calligraphy', 'Crafts',
            'History', 'Drinking', 'Coding', 'Valuing family', 'Skydiving', 'Diving'];
        $length = $length < 1 ? 1 : ($length > count($array) ? count($array) : $length);
        $random_keys = array_rand($array, $length);
        $random_elements = [];
        foreach ($random_keys as $key) {
            $random_elements[] = $array[$key];
        }
        return $random_elements;
    }
}

/**
 * 辅助函数：十进制转十六进制（支持大数）
 */
function bcdechex($dec)
{
    $hex = '';
    while (bccomp($dec, 0) > 0) {
        $last = bcmod($dec, 16);
        $hex  = dechex($last) . $hex;
        $dec  = bcdiv($dec, 16, 0);
    }
    return $hex ?: '0';
}

if (!function_exists('is_multiple_of_eight')) {
    function is_multiple_of_eight(int $number): bool
    {
        if ($number % 8 == 0) {
            return true;  // 是 8 的倍数
        } else {
            return false; // 不是 8 的倍数
        }
    }
}

if (!function_exists('get_invitation_code')) {
    function get_invitation_code(): string
    {
        do {
            $invitation_code = generate_random_string();
        } while (\App\Models\User::where('invitation_code', $invitation_code)->first() != null);
        return $invitation_code;
    }
}

if (!function_exists('generate_order_number')) {

    function generate_order_number()
    {
        $dateTime = date('YmdHis');
        $randomNumber = mt_rand(1000, 9999);
        $orderNumber = $dateTime . $randomNumber;
        return $orderNumber;
    }
}


function removeZero($str)
{
    if (empty($str)) {
        return 0;
    }
    if (!is_numeric($str)) {
        return $str;
    }

    $number = number_format($str, 10, '.', '');

    // 使用 rtrim 移除末尾的零和小数点
    return rtrim(rtrim($number, '0'), '.');
}

/**
 * 唯一订单号
 * @return string
 */
function createOrderNo(): string
{
    $str = microtime(true);
    $arr = explode('.', $str);
    $decimal = $arr[1];

    return date('YmdHis') . $decimal;
}

/**
 * 获取精度
 * @param $number
 * @return int
 */
function getScale($number): int
{
    if (!is_numeric($number)) {
        return 1;
    }

    $sub = strrchr($number, ".");
    if (empty($sub)) {
        return 1;
    }

    $scale = strlen(substr($sub, 1));
    if ($scale == 0) {
        return 1;
    }

    return $scale;
}



