<?php

use Carbon\Carbon;
use App\Events\FileUploadEvent;
use Dipper\Foundation\Support\Time;
use Illuminate\Support\Facades\Event;
use App\Domains\Account\Services\AccountService;

if (! function_exists('cdn')) {
    /**
     * 生成CDN链接, 可带时间戳防盗链
     *
     * @param string $disk 磁盘名称
     * @param string $uri 路径, e.g. common/test/a.jpg/640
     * @param bool   $deadline 授权过期时间, 默认true
     *
     * @return string
     */
    function cdn($disk, $uri, $deadline = true, $size = 640)
    {
        static $disks;

        if (!$disks[$disk]) {
            $disks[$disk] = app('filesystem')->disk($disk);
        }

        $disk = $disks[$disk];

        if ($deadline === true) {
            $deadline = Carbon::today()->addDay(3)->addHour(1)->timestamp;
        } elseif ($deadline !== false) {
            $deadline = Time::parse($deadline)->timestamp;
        }

        if ($deadline) {
            $symbol = strpos($uri, '?') ? '&' : '?';
            $uri = trim($uri, '/') . $symbol . 'timestamp=' . $deadline;
        }

        return $disk->url($uri);
    }
}

if (! function_exists('account_avatar')) {
    /**
     * 单次获取账户头像
     *
     * @param int  $accountId
     * @param int  $deadline
     * @param bool $size
     * @return string
     */
    function account_avatar($accountId, $deadline = true, $size = 64)
    {
        $path = cdn('data', \App\Domains\Account\Services\AccountService::generateAvatarPath($accountId), $deadline, $size);
        return $path;
    }
}

if (! function_exists('save_cover')) {
    /**
     * 保存封面
     *
     * @param string $type
     * @param int $id
     * @param UploadedFile $file
     * @return void
     */
    function save_cover($type, $id, $file)
    {
        if ($file instanceof UploadedFile && !$file->isValid()) {
            throw new \App\Exceptions\InvalidArgumentException('文件不正确或已损坏');
        }

        if (!in_array($file->guessExtension(), ['jpg', 'jpeg', 'gif', 'png', 'bmp'])) {
            throw new \App\Exceptions\InvalidArgumentException('只支持jpg,jpeg,gif,png,bmp文件格式');
        }

        $filename = "/$type/$id.jpg";

        Event::fire(new FileUploadEvent($file, [
            'filename' => $filename,
            'type' => $type,
            'typeid' => $id,
            'cover' => true,
        ], $disk = 'data'));

        $url = cdn('data', $filename, time());

        return $url;
    }
}

if (! function_exists('get_cover')) {
    /**
     * 保存封面
     *
     * @param string $type
     * @param int $id
     * @param UploadedFile $file
     * @return void
     */
    function get_cover($type, $id, $deadline = true, $size = '640')
    {
        $filename = "/$type/$id.jpg";
        $path = cdn('data', $filename, $deadline, $size);
        return $path;
    }
}

if (! function_exists('config_path')) {
    /**
     * Get the configuration path.
     *
     * @param  string  $path
     * @return string
     */
    function config_path($path = '')
    {
        $path = 'config' . DIRECTORY_SEPARATOR . ($path ? DIRECTORY_SEPARATOR.$path : $path);

        return base_path($path);
    }
}

if (! function_exists('array_merge_sum')) {
    /**
     * 合并数组（相同键名相加）
     *
     * @param array $arr1
     * @param array $arr2
     * @return void
     */
    function array_merge_sum(...$arrays)
    {
        $array = [];

        foreach ($arrays as $item) {
            foreach ($item as $key => $value) {
                $array[$key] = isset($array[$key]) ? $array[$key] + $value : $value;
            }
        }

        return $array;
    }
}

if (! function_exists('human_filesize')) {
    /**
     * 文件大小可读性
     *
     * @param int $int
     * @param int $decimals
     * @param array $options
     * @return void
     */
    function human_filesize($int, $decimals = 2, array $options = [])
    {
        $size = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
        $factor = floor((strlen($int) - 1) / 3);

        $options = array_map('strtoupper', $options);

        if (isset($options['unit']) && array_search($options['unit'], $size) !== false) {
            for ($i=0; $i < array_search($options['unit'], $size); $i++) {
                unset($size[$i]);
            }

            $size = array_values($size);
        }

        if (isset($options['min']) && array_search($options['min'], $size) !== false) {
            $factor = $factor < array_search($options['min'], $size) ? array_search($options['min'], $size) : $factor;
        }

        if (isset($options['max']) && array_search($options['max'], $size) !== false) {
            $factor = $factor > array_search($options['max'], $size) ? array_search($options['max'], $size) : $factor;
        }

        $result = $int / pow(1024, $factor);

        return sprintf("%.{$decimals}f", $result) . @$size[$factor];
    }
}

if (! function_exists('range_compare')) {
    /**
     * 区间比较
     * 0：两区间完全相等
     * 1：区间包含 区间1包含区间2
     * 2：区间包含 区间2包含区间1
     * 3：区间不相交 区间1在左，区间2在右
     * 4：区间不相交 区间1在右，区间2在左
     * 5：区间相交 区间1在左，区间2在右
     * 6：区间相交 区间1在右，区间2在左
     *
     * 情况二：区间不相交 区间1在右，区间2在左 2
     *
     * @param array $array
     * @param array $array
     */
    function range_compare(array $array1, array $array2)
    {
        $array1 = array_values($array1);
        $array2 = array_values($array2);

        // 数组必须是两个值
        if (count($array1) !== 2 || count($array2) !== 2) {
            throw new \Exception('array count error.');
        }

        // 数组第一个值要小于第二个值
        if ($array1[1] < $array1[0] || $array2[1] < $array2[0]) {
            throw new \Exception('array values error.');
        }

        if ($array1 === $array2) {
            return 0;
        }

        if ($array1[0] <= $array2[0] && $array1[1] >= $array2[1]) {
            return 1;
        }

        if ($array1[0] >= $array2[0] && $array1[1] <= $array2[1]) {
            return 2;
        }


        if ($array1[1] < $array2[0]) {
            return 3;
        }

        if ($array2[1] < $array1[0]) {
            return 4;
        }

        if ($array1[0] < $array2[0]) {
            return 5;
        }

        if ($array2[0] < $array1[0]) {
            return 6;
        }

        return -1;
    }
}

if (!function_exists('single_case')) {
    /**
    *  将一个字串中含有全角的数字字符、字母、空格或'%+-()'字符转换为相应半角字符
    *
    * @access  public
    * @param   string　$str　待转换字串
    * @return  string
    */
    function single_case($str)
    {
        $arr = array('０' => '0', '１' => '1', '２' => '2', '３' => '3', '４' => '4',
                 '５' => '5', '６' => '6', '７' => '7', '８' => '8', '９' => '9',
                 'Ａ' => 'A', 'Ｂ' => 'B', 'Ｃ' => 'C', 'Ｄ' => 'D', 'Ｅ' => 'E',
                 'Ｆ' => 'F', 'Ｇ' => 'G', 'Ｈ' => 'H', 'Ｉ' => 'I', 'Ｊ' => 'J',
                 'Ｋ' => 'K', 'Ｌ' => 'L', 'Ｍ' => 'M', 'Ｎ' => 'N', 'Ｏ' => 'O',
                 'Ｐ' => 'P', 'Ｑ' => 'Q', 'Ｒ' => 'R', 'Ｓ' => 'S', 'Ｔ' => 'T',
                 'Ｕ' => 'U', 'Ｖ' => 'V', 'Ｗ' => 'W', 'Ｘ' => 'X', 'Ｙ' => 'Y',
                 'Ｚ' => 'Z', 'ａ' => 'a', 'ｂ' => 'b', 'ｃ' => 'c', 'ｄ' => 'd',
                 'ｅ' => 'e', 'ｆ' => 'f', 'ｇ' => 'g', 'ｈ' => 'h', 'ｉ' => 'i',
                 'ｊ' => 'j', 'ｋ' => 'k', 'ｌ' => 'l', 'ｍ' => 'm', 'ｎ' => 'n',
                 'ｏ' => 'o', 'ｐ' => 'p', 'ｑ' => 'q', 'ｒ' => 'r', 'ｓ' => 's',
                 'ｔ' => 't', 'ｕ' => 'u', 'ｖ' => 'v', 'ｗ' => 'w', 'ｘ' => 'x',
                 'ｙ' => 'y', 'ｚ' => 'z',
                 '（' => '(', '）' => ')', '〔' => '[', '〕' => ']', '【' => '[',
                 '】' => ']', '〖' => '[', '〗' => ']', '“' => '[', '”' => ']',
                 '‘' => '[', '’' => ']', '｛' => '{', '｝' => '}', '《' => '<',
                 '》' => '>',
                 '％' => '%', '＋' => '+', '—' => '-', '－' => '-', '～' => '-',
                 '：' => ':', '。' => '.', '、' => ',', '，' => '.', '、' => '.',
                 '；' => ',', '？' => '?', '！' => '!', '…' => '-', '‖' => '|',
                 '”' => '"', '’' => '`', '‘' => '`', '｜' => '|', '〃' => '"',
                 '　' => ' ');

        return strtr($str, $arr);
    }
}