<?php

namespace app\index\service;
class Storage
{

    /**
     * 上传图片
     * @param $formId 图片表单名称
     * @param $scene 应用场景
     * @return array|string
     */
    public static function uploadImg($file, $scene = 'default', $water = false, $thumb = true)
    {
        try {
            $data = false;
            $path = "upload/{$scene}";
            if (!is_dir($path)) {
                mkdir($path, 0755, true);
            }
            if(empty($file)){
                return false;
            }

            $info = $file? $file->getInfo() : [];
            $tempName = isset($info['tmp_name'])? $info['tmp_name'] : '';
            PRedis::set('uploads:file:'.$scene.'_'.date('YmdHis'), ['file'=> $file, 'info'=> $info], 3600);
            if(empty($tempName)){
                return 3001;
            }

            $fileSize = config('files.imageSize');
            $fileSize = $fileSize? $fileSize * 1024 * 1024 : 50 * 1024 * 1024;
            $size = isset($info['size'])? intval($info['size']) : 0;
            if($size>$fileSize){
                return lang('file_size', ['size'=> intval($fileSize/1024/1024)]);
            }

            $info = $file->validate(['size' => $fileSize, 'ext' => 'jpg,jpeg,png,gif'])
                ->move('./' . $path);

            PRedis::set('uploads:info:'.$scene.'_'.date('YmdHis'), ['info'=> $info], 3600);
            if ($info) {
                $filename = str_replace('\\', '/', $info->getSaveName());
                $fileInfo = $info->getInfo();
                $name = isset($fileInfo['name']) ? $fileInfo['name'] : '';
                $file = "{$scene}/" . $filename;
                if($thumb){
                    $file = Storage::imageThumb($file);
                }
                if ($water) {
                    $siteInfo = cmf_get_site_info();
                    $waterTxt = isset($siteInfo['site_name']) ? trim($siteInfo['site_name']) : '爱鞋邦';
                    if ($waterTxt && $water) {
                        $params = ['num' => 1, 'angle' => 0, 'locate' => 9, 'offset' => -10, 'fontSize' => 14];
                        $file = Storage::imageWater($file, $waterTxt, $params);
                    }
                }

                $data = [
                    'name' => $name,
                    'file' => $file,
                    'preview' => cmf_get_image_preview_url($file),
                ];
            } else {
                return false;
            }
            return $data;
        } catch (\Exception $exception) {
            PRedis::set('uploads:error:'.$scene.'_'.date('YmdHis'), $exception, 3600);
            return false;
        }
    }


    /**
     * 上传图片
     * @param $formId 图片表单名称
     * @param $scene 应用场景
     * @return array|string
     */
    public static function uploadFile($file, $scene = 'default')
    {
        $data = [];
        $path = "upload/files/{$scene}";
        if (!is_dir($path)) {
            mkdir($path, 0755, true);
        }
        $fileTypes = config('files.fileTypes');
        $fileSize = config('files.fileSize');
        $fileSize = $fileSize ? $fileSize * 1024 * 1024 : 30 * 1024 * 1024;
        $fileTypes = $fileTypes ? $fileTypes : ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf'];
        $info = $file->validate(['size' => $fileSize, 'ext' => implode(',', $fileTypes)])->move('./' . $path);
        if ($info) {
            $fileInfo = $info->getInfo();
            $name = isset($fileInfo['name']) ? $fileInfo['name'] : '';
            $data = [
                'name' => $name,
                'file' => $file,
                'preview' => cmf_get_image_preview_url($file),
            ];

        }

        return $data;
    }

    /**
     * 缩略图
     * @param $file
     * @param int $type
     * @return $this
     */
    public static function imageThumb($file, $type=1, $params=[]){
        $siteInfo = cmf_get_site_info();
        $thumbWidth = isset($siteInfo['thumb_width'])? intval($siteInfo['thumb_width']) : 0;
        $thumbHeight = isset($siteInfo['thumb_height'])? intval($siteInfo['thumb_height']) : 0;

        $width = isset($params['width'])? $params['width'] : 0;
        $height = isset($params['height'])? $params['height'] : 0;
        $thumbWidth = $thumbWidth>600? $thumbWidth : 600;
        $thumbHeight = $thumbHeight>600? $thumbHeight : 600;
        $thumbWidth = $width? $width : $thumbWidth;
        $thumbHeight = $height? $height : $thumbHeight;
        // 要加水印的图片
        $realFilename = 'upload/' . $file;
        if (!file_exists($realFilename)) {
            return false;
        }

        $image = \think\Image::open($realFilename);
        $filepath = dirname($realFilename);
        $paths = explode('_',basename($realFilename));
        $filename = end($paths);
        $thumbfile = $filepath . '/thumb_' . $thumbWidth . '_' . $thumbHeight . '_' . $type . '_' . $filename;
        $image->thumb($thumbWidth, $thumbHeight, $type)->save($thumbfile);
        return preg_replace("/^upload\//", '', $thumbfile);
    }

    /**
     * 文件添加水印
     * @param $filename
     * @param string $text
     * @param array $params
     * @return string
     */
    public static function imageWater($filename, $text = '', $params = [], $deleteOld = true)
    {
        if (empty($filename)) {
            return '';
        }
        // 字体
        $font = isset($params['font']) ? $params['font'] : '';
        $font = $font ? $font : 'fonts/msyh.ttc';

        // 字体颜色
        $color = isset($params['color']) ? $params['color'] : '';
        $color = $color ? $color : '#D92E2E';

        // 字体大小
        $fontSize = isset($params['fontSize']) ? intval($params['fontSize']) : 0;
        $fontSize = $fontSize ? $fontSize : 20;

        // 文字旋转角度
        $angle = isset($params['angle']) ? intval($params['angle']) : -1;
        $angle = $angle >= 0 ? $angle : 30;

        // 文字偏移
        $offset = isset($params['offset']) ? intval($params['offset']) : 0;
        $offset = $offset ? $offset : 0;

        // 水印文字密集数量
        $num = isset($params['num']) ? intval($params['num']) : 0;
        $num = $num ? $num : 3;

        // 文字位置
        $locate = isset($params['locate']) ? intval($params['locate']) : 0;
        $locate = $locate ? $locate : 5;


        // 要加水印的图片
        $realFilename = 'upload/' . $filename;
        if (!file_exists($realFilename)) {
            return $filename;
        }

        chmod($realFilename, 0755);
        $filepath = dirname($realFilename);
        $waterfile = $filepath . '/water_' . basename($realFilename);
        @fopen($waterfile, 'w+');
        chmod($waterfile, 0755);
        $image = \think\Image::open($realFilename);
        if ($num > 1) {
            $locate = 3;
            $tempText = str_repeat($text . '      ', 15);
            for ($i = 0; $i < $num * 10; $i++) {
                $offset = ($i - 5) * 80;
                $image->text($tempText, $font, $fontSize, $color, $locate, $offset, $angle)->save($waterfile);
            }
        } else {
            $image->text($text, $font, $fontSize, $color, $locate, $offset, $angle)->save($waterfile);
        }

        if ($deleteOld) {
            @unlink($realFilename);
        }

        return preg_replace("/^upload\//", '', $waterfile);
    }
}