<?php


namespace app\admin\command;

use app\common\library\Redis;
use app\common\library\WeChatObject;
use Symfony\Component\Cache\Simple\RedisCache;
use think\Config;
use think\console\Command;
use think\console\Input;
use think\console\input\Option;
use think\console\Output;
use EasyWeChat\Factory;
use think\Log;
use think\Request;

class ChangeQRCode extends Command{

    /**
     * @var array $imgSize 图片规格
     */
    private $imgSize = [
        1 => [
            'size' => 143, //二维码宽度
            'x' => 376, //水印x
            'y' => 35 //水印y
        ],
        2 => [
            'size' => 147, //二维码宽度
            'x' => 374, //水印x
            'y' => 33 //水印y
        ],
        3 => [
            'size' => 135, //二维码宽度
            'x' => 372, //水印x
            'y' => 46 //水印y
        ],
        4 => [
            'size' => 179, //二维码宽度
            'x' => 356, //水印x
            'y' => 15 //水印y
        ],
        5 => [
            'size' => 179, //二维码宽度
            'x' => 356, //水印x
            'y' => 15 //水印y
        ],
        6 => [
            'size' => 179, //二维码宽度
            'x' => 356, //水印x
            'y' => 15 //水印y
        ]
    ];

    protected function configure()
    {
        $this
            ->setName('changeQRCode')
            ->addOption('type', 't', Option::VALUE_OPTIONAL, '处理自定义二维码错误问题', 'modify')
            ->setDescription('处理自定义二维码错误问题');
    }

    protected function execute(Input $input, Output $output)
    {
        Request::instance()->module('admin'); //cli模式下无法获取到当前的项目模块，手动指定一下

        $type = $input->getOption('type');
        switch ($type) {
            case 'modify':
                $this->modify($input, $output);
                break;
            default:
                $output->writeln("Type: {$type}  无法识别的类型");
        }
    }

    /**
     * @param Input $input
     * @param Output $output
     */
    private function modify(Input $input, Output $output){
        $output->info("开始处理自定义二维码错误问题.");
        try{
            if(!$source = model('CustomQrcode')->where(['type'=>'2'])->select()){
                $output->info('没有要处理的自定义二维码错误数据');
            }
            foreach($source as $key => $val){
                //处理合成图片
                if(strpos($val['url'], 'mp.weixin.qq.com') === false){
                    $tmp = explode('_',basename($val['url'],".png"));
                    $template_id = $tmp[2];
                    if(!$adminConfig = model('AdminConfig')->where(['admin_id'=>$val['admin_id']])->find()){
                        $output->error(sprintf('未处理 Channel_id:%d CustomQRCode_id:%d 渠道配置信息获取失败',$val['admin_id'],$val['id']));
                        continue;
                    }
                    if(empty($adminConfig['appid']) || empty($adminConfig['json']) ){
                        $output->error(sprintf('未处理 Channel_id:%d CustomQRCode_id:%d 渠道微信没有授权',$val['admin_id'],$val['id']));
                        continue;
                    }
                    //获取微信永久二维码
                    $adminConfig = model('AdminConfig')->getAdminInfoAll($val['admin_id']);
                    $wechat = new WeChatObject($adminConfig);
                    $officialAccount = $wechat->getOfficialAccount();
                    $result = $officialAccount->qrcode->forever($val['index']);
                    if(empty($result) || isset($result['errcode'])){
                        $output->error(sprintf('未处理 Channel_id:%d CustomQRCode_id:%d 获取微信二维码失败',$val['admin_id'],$val['id']));
                        continue;
                    }
                    $wx_url = $officialAccount->qrcode->url($result['ticket']);
                    $image_1 = imagecreatefrompng(ROOT_PATH . "public/assets/img/essay/qrcode_{$template_id}.png"); //底图
                    $image_2 = $this->createThumbnail($wx_url,$this->imgSize[$template_id]['size'],$this->imgSize[$template_id]['size']);
                    imagecopymerge($image_1, $image_2, $this->imgSize[$template_id]['x'], $this->imgSize[$template_id]['y'], 0, 0, imagesx($image_2),
                        imagesy($image_2), 100);
                    $imgPath = ROOT_PATH . 'public/uploads/qrcode/'; //图片保存路径
                    if (!file_exists($imgPath)) { //创建文件夹
                        mkdir($imgPath, 0700, true);
                        clearstatcache();
                    }
                    $imgPath = $imgPath .$val['book_id'].'_'.$val['chapter_id'] .'_' . $template_id .'_'.$val['admin_id'].'_'.time().'.png';
                    $data['url'] = cdnurl("/uploads/qrcode/" . $val['book_id'] .'_'.$val['chapter_id'] . '_' . $template_id .'_'.$val['admin_id'].'_'.time().'.png');
                    if(!imagepng($image_1, $imgPath)){
                        $output->error(sprintf('未处理 Channel_id:%d CustomQRCode_id:%d 拼接图片失败',$val['admin_id'],$val['id']));
                        continue;
                    }
                    imagedestroy($image_1);
                    imagedestroy($image_2);
                    if(false !== model('CustomQrcode')->where(['id'=>$val['id']])->update($data)){
                        $output->info(sprintf('已处理 Channel_id:%d CustomQRCode_id:%d ImagePath:%s',$val['admin_id'],$val['id'],$imgPath));
                    }else{
                        $output->info(sprintf('未处理 Channel_id:%d CustomQRCode_id:%d 更新数据失败 ImagePath:%s',$val['admin_id'],$val['id'],$imgPath));
                    }
                }
            }
        }catch (\Exception $e){
            $output->error('处理自定义二维码出错,Error:'.$e->getMessage());
        }

    }

    /**
     * 生成保持原图纵横比的缩略图，支持.png .jpg .gif
     * 缩略图类型统一为.png格式
     * $srcFile     原图像文件名称
     * $toW         缩略图宽
     * $toH         缩略图高
     * @return bool
     */
    private function createThumbnail($srcFile, $toW, $toH)
    {
        $toW += 20;
        $toH += 20;
        $info = "";
        //返回含有4个单元的数组，0-宽，1-高，2-图像类型，3-宽高的文本描述。
        //失败返回false并产生警告。
        $data = getimagesize($srcFile, $info);
        if (!$data)
            return false;

        //将文件载入到资源变量im中
        switch ($data[2]) //1-GIF，2-JPG，3-PNG
        {
            case 1:
                if(!function_exists("imagecreatefromgif"))
                {
                    echo "the GD can't support .gif, please use .jpeg or .png! <a href='javascript:history.back();'>back</a>";
                    exit();
                }
                $im = imagecreatefromgif($srcFile);
                break;

            case 2:
                if(!function_exists("imagecreatefromjpeg"))
                {
                    echo "the GD can't support .jpeg, please use other picture! <a href='javascript:history.back();'>back</a>";
                    exit();
                }
                $im = imagecreatefromjpeg($srcFile);
                break;

            case 3:
                $im = imagecreatefrompng($srcFile);
                break;
        }

        //计算缩略图的宽高
        $srcW = imagesx($im);
        $srcH = imagesy($im);
        $toWH = $toW / $toH;
        $srcWH = $srcW / $srcH;
        if ($toWH <= $srcWH)
        {
            $ftoW = $toW;
            $ftoH = (int)($ftoW * ($srcH / $srcW));
        }
        else
        {
            $ftoH = $toH;
            $ftoW = (int)($ftoH * ($srcW / $srcH));
        }

        if (function_exists("imagecreatetruecolor"))
        {
            $ni = imagecreatetruecolor($ftoW, $ftoH); //新建一个真彩色图像
            if ($ni)
            {
                //重采样拷贝部分图像并调整大小 可保持较好的清晰度
                imagecopyresampled($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
            }
            else
            {
                //拷贝部分图像并调整大小
                $ni = imagecreate($ftoW, $ftoH);
                imagecopyresized($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
            }
        }
        else
        {
            $ni = imagecreate($ftoW, $ftoH);
            imagecopyresized($ni, $im, 0, 0, 0, 0, $ftoW, $ftoH, $srcW, $srcH);
        }
        ImageDestroy($im);
        return $ni;
    }
}