<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\exception\UploadException;
use app\common\library\Upload;
use app\common\model\Area;
use app\common\model\Version;
use fast\Random;
use think\Config;
use think\Hook;
use think\Db;

/**
 * 公共接口
 */
class Common extends Api
{
    protected $noNeedLogin = "*";
    protected $noNeedRight = '*';

    /**
     * 加载初始化
     *
     * @param string $version 版本号
     * @param string $lng     经度
     * @param string $lat     纬度
     */
    public function init()
    {
        if ($version = $this->request->request('version')) {
            $lng = $this->request->request('lng');
            $lat = $this->request->request('lat');

            //配置信息
            $upload = Config::get('upload');
            //如果非服务端中转模式需要修改为中转
            if ($upload['storage'] != 'local' && isset($upload['uploadmode']) && $upload['uploadmode'] != 'server') {
                //临时修改上传模式为服务端中转
                set_addon_config($upload['storage'], ["uploadmode" => "server"], false);

                $upload = \app\common\model\Config::upload();
                // 上传信息配置后
                Hook::listen("upload_config_init", $upload);

                $upload = Config::set('upload', array_merge(Config::get('upload'), $upload));
            }

            $upload['cdnurl'] = $upload['cdnurl'] ? $upload['cdnurl'] : cdnurl('', true);
            $upload['uploadurl'] = preg_match("/^((?:[a-z]+:)?\/\/)(.*)/i", $upload['uploadurl']) ? $upload['uploadurl'] : url($upload['storage'] == 'local' ? '/api/common/upload' : $upload['uploadurl'], '', false, true);

            $content = [
                'citydata'    => Area::getCityFromLngLat($lng, $lat),
                'versiondata' => Version::check($version),
                'uploaddata'  => $upload,
                'coverdata'   => Config::get("cover"),
            ];
            $this->success('', $content);
        } else {
            $this->error(__('Invalid parameters'));
        }
    }

    /**
     * 上传文件
     * @ApiMethod (POST)
     * @param File $file 文件流
     */
    public function upload()
    {
        Config::set('default_return_type', 'json');
        //必须设定cdnurl为空,否则cdnurl函数计算错误
        Config::set('upload.cdnurl', '');
        $chunkid = $this->request->post("chunkid");
        if ($chunkid) {
            if (!Config::get('upload.chunking')) {
                $this->error(__('Chunk file disabled'));
            }
            $action = $this->request->post("action");
            $chunkindex = $this->request->post("chunkindex/d");
            $chunkcount = $this->request->post("chunkcount/d");
            $filename = $this->request->post("filename");
            $method = $this->request->method(true);
            if ($action == 'merge') {
                $attachment = null;
                //合并分片文件
                try {
                    $upload = new Upload();
                    $attachment = $upload->merge($chunkid, $chunkcount, $filename);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
            } elseif ($method == 'clean') {
                //删除冗余的分片文件
                try {
                    $upload = new Upload();
                    $upload->clean($chunkid);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            } else {
                //上传分片文件
                //默认普通上传文件
                $file = $this->request->file('file');
                try {
                    $upload = new Upload($file);
                    $upload->chunk($chunkid, $chunkindex, $chunkcount);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }
                $this->success();
            }
        } else {
            $attachment = null;
            //默认普通上传文件
            $file = $this->request->file('file');
            try {
                $upload = new Upload($file);
                $attachment = $upload->upload();
            } catch (UploadException $e) {
                $this->error($e->getMessage());
            }

            $this->success(__('Uploaded successful'), ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)]);
        }

    }
    
    
    /**
     * 单文件上传公共
     * @param  [type] $file_url [保存地址]
     * @return [type]           [description]
     */
    public function iamge_upload_single($file_url)
    {
        $file = $this->request->file('file');
        if (empty($file)) {
            $this->error("请选择文件");
        }

        $url = $file_url;
        $dst_img = $this->upload_image($file, $url);

        if ($dst_img) {
            if(mb_substr($dst_img, 0,1) != "/"){
                $dst_img = "/".$dst_img;
            }
            $this->success("Upload successful", [
                'iamge_url' => Config::get('site.image_url').$dst_img,
                'url' => $dst_img,
            ]);
        } else {
            $this->error("Upload failed", [
                'info' => $this->error('error'),
            ]);
        }
    }
    
    /**
     * 公共上传图片
     * $file   上传对象
     * by   sen
     */
    public function upload_image($file, $category) {

        //判断是否已经存在附件
        $sha1 = $file->hash();

        $upload = Config::get('upload');

        preg_match('/(\d+)(\w+)/', $upload['maxsize'], $matches);
        $type = strtolower($matches[2]);
        $typeDict = ['b' => 0, 'k' => 1, 'kb' => 1, 'm' => 2, 'mb' => 2, 'gb' => 3, 'g' => 3];
        $size = (int) $upload['maxsize'] * pow(1024, isset($typeDict[$type]) ? $typeDict[$type] : 0);
        $fileInfo = $file->getInfo();
        $suffix = strtolower(pathinfo($fileInfo['name'], PATHINFO_EXTENSION));
        $suffix = $suffix ? $suffix : 'file';

        $mimetypeArr = explode(',', strtolower($upload['mimetype']));
        $typeArr = explode('/', $fileInfo['type']);

        //验证文件后缀
        if ($upload['mimetype'] !== '*' &&
                (
                !in_array($suffix, $mimetypeArr) || (stripos($typeArr[0] . '/', $upload['mimetype']) !== false && (!in_array($fileInfo['type'], $mimetypeArr) && !in_array($typeArr[0] . '/*', $mimetypeArr)))
                )
        ) {
            $this->error(__('Uploaded file format is limited'));
        }
        $replaceArr = [
            '{year}' => date("Y"),
            '{mon}' => date("m"),
            '{day}' => date("d"),
            '{hour}' => date("H"),
            '{min}' => date("i"),
            '{sec}' => date("s"),
            '{random}' => Random::alnum(16),
            '{random32}' => Random::alnum(32),
            '{filename}' => $suffix ? substr($fileInfo['name'], 0, strripos($fileInfo['name'], '.')) : $fileInfo['name'],
            '{suffix}' => $suffix,
            '{.suffix}' => $suffix ? '.' . $suffix : '',
            '{filemd5}' => md5_file($fileInfo['tmp_name']),
        ];
        $savekey = $upload['savekey'];
//        $savekey = $upload['savekey']; 
        $savekey = str_replace(array_keys($replaceArr), array_values($replaceArr), $savekey);

        $uploadDir = $category . substr($savekey, 0, strripos($savekey, '/') + 1);
        $fileName = substr($savekey, strripos($savekey, '/') + 1);
        
        $splInfo = $file->validate(['size' => $size])->move(ROOT_PATH . '/public' . $uploadDir, $fileName);
        if ($splInfo) {
            $imagewidth = $imageheight = 0;
            if (in_array($suffix, ['gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf'])) {
                $imgInfo = getimagesize($splInfo->getPathname());
                $imagewidth = isset($imgInfo[0]) ? $imgInfo[0] : $imagewidth;
                $imageheight = isset($imgInfo[1]) ? $imgInfo[1] : $imageheight;
            }
            $params = array(
                'admin_id' => 0,
                'user_id' => (int) $this->auth->id,
                'filesize' => $fileInfo['size'],
                'imagewidth' => $imagewidth,
                'imageheight' => $imageheight,
                'imagetype' => $suffix,
                'imageframes' => 0,
                'mimetype' => $fileInfo['type'],
                'url' => $uploadDir . $splInfo->getSaveName(),
                'uploadtime' => time(),
                'storage' => 'local',
                'sha1' => $sha1,
            );
            $attachment = model("attachment");
            $attachment->data(array_filter($params));
            $attachment->save();
            \think\Hook::listen("upload_after", $attachment);


            //-----压缩
            import('lib.imgcompress', EXTEND_PATH , '.class.php');
            $source = $uploadDir . $splInfo->getSaveName();
            $dst_img = substr($uploadDir . 'compress_' . $fileName, 1); //可加存放路径
            $percent = 1;  #原图压缩，不缩放
            $new_resource = substr($source, 1);
            $imgcompress = new \imgcompress($new_resource, $percent);
            $image = $imgcompress->compressImg($dst_img);

            unset($splInfo);
            @unlink($new_resource);

            return $dst_img;
        } else {
            // 上传失败获取错误信息
            return $this->error($file->getError());
        }
    }

    /**
     * 生成二维码
     * $param 生成参数
     * $filename 文件名
     */
    public function qrcode_s($param, $file_name , $matrixPointSize=8) {
        header("Content-type: text/html; charset=utf-8");

        import('lib.qrcode', EXTEND_PATH , '.php');
        $QRcode = new \QRcode();
        $errorCorrectionLevel = 'L'; //容错级别
//        $matrixPointSize = 8;   //生成图片大小
        //生成二维码图片
        $filename = $file_name . '.png';

        $res = $QRcode->png($param, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
        $info =  '/' . $filename;

        return $info;
    }
    
    /**
     * 
     * @param type $type 1=初级认证，2=高级认证
     * @return boolean
     */
    public function get_auth($type = 1){
        if($type == 1){
            $auth = Db::name("app_auth")->where("user_id",$this->auth->id)->where("status",1)->find();
            if(empty($auth)){
                return false;
            }else{
                return true;
            }
        }else{
            $auth = Db::name("app_auth")->where("user_id",$this->auth->id)->where("status",1)->find();
            if(empty($auth)){
                return false;
            }else{
                return true;
            }
        }
        
    }
    
    /**
     * TRC加密
     */
    public function trc_encryption($key)
    {
        $str = "123123456789456789qwertyuioplkjhgfdsazxcvbnm123456789";
        $keys = substr(str_shuffle($str), 0,8).$key.substr(str_shuffle($str), 0,9);
        $string = base64_encode($keys);
        return $string;
    }
    
    /**
     * TRC解密
     */
    public function trc_decrypt($key)
    {
        $string = base64_decode($key);
        $key = substr($string, 8,-9);
        return $key;
    }
    
    /**
     * 注册验证码图片 - 生成算术验证码并返回base64图片
     * GET /api/common/captcha
     */
    public function captcha()
    {
        // 生成4位随机大写英文字母
        $chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ'; // 去掉易混淆的 I O
        $answer = '';
        for ($i = 0; $i < 4; $i++) {
            $answer .= $chars[mt_rand(0, strlen($chars) - 1)];
        }

        // 生成唯一key标识本次验证码
        $captcha_key = md5(uniqid(mt_rand(), true));
        cache('captcha_' . $captcha_key, strtoupper($answer), 300);

        // 先在小画布绘制文字，再等比放大 → 让内置字体看起来更大
        $smallW = 100;
        $smallH = 32;
        $small = imagecreatetruecolor($smallW, $smallH);
        $smallBg = imagecolorallocate($small, 240, 244, 250);
        imagefilledrectangle($small, 0, 0, $smallW, $smallH, $smallBg);

        // 干扰线（小画布上）
        for ($i = 0; $i < 3; $i++) {
            $lc = imagecolorallocate($small, mt_rand(160, 210), mt_rand(160, 210), mt_rand(160, 210));
            imageline($small, mt_rand(0, $smallW), mt_rand(0, $smallH), mt_rand(0, $smallW), mt_rand(0, $smallH), $lc);
        }

        // 文字（内置最大字号5，字符宽9px）
        $fontSize = 5;
        $charW = imagefontwidth($fontSize);
        $charH = imagefontheight($fontSize);
        $totalW = $charW * 4;
        $startX = ($smallW - $totalW) / 2;
        $startY = ($smallH - $charH) / 2;
        for ($i = 0; $i < 4; $i++) {
            $tc = imagecolorallocate($small, mt_rand(10, 70), mt_rand(10, 70), mt_rand(10, 70));
            imagestring($small, $fontSize, (int)($startX + $i * $charW), (int)$startY, $answer[$i], $tc);
        }

        // 放大3倍到输出画布
        $scale = 3;
        $width  = $smallW * $scale;
        $height = $smallH * $scale;
        $img = imagecreatetruecolor($width, $height);
        imagecopyresampled($img, $small, 0, 0, 0, 0, $width, $height, $smallW, $smallH);
        imagedestroy($small);

        // 干扰点（放大后再叠加，避免被放大模糊）
        for ($i = 0; $i < 60; $i++) {
            $dc = imagecolorallocate($img, mt_rand(150, 230), mt_rand(150, 230), mt_rand(150, 230));
            imagesetpixel($img, mt_rand(0, $width), mt_rand(0, $height), $dc);
        }

        ob_start();
        imagepng($img);
        $imgData = ob_get_clean();
        imagedestroy($img);

        $base64 = 'data:image/png;base64,' . base64_encode($imgData);

        $this->success('ok', [
            'captcha_key' => $captcha_key,
            'captcha_img' => $base64,
        ]);
    }

    /**
     * 验证注册验证码（内部调用）
     */
    public static function checkCaptcha($captcha_key, $captcha_code)
    {
        if (empty($captcha_key) || empty($captcha_code)) {
            return false;
        }
        $answer = cache('captcha_' . $captcha_key);
        if ($answer === false || $answer === null) {
            return false;
        }
        $result = (strtoupper(trim($captcha_code)) === strtoupper(trim($answer)));
        // 验证后立即删除，防止重放
        cache('captcha_' . $captcha_key, null);
        return $result;
    }

    /**
     * 生成随机key secrit
     */
    public function set_key()
    {
        $str = "1231234567894567891234567890000qwertyuioplkjhgfdsazxcvbnm123456789qwertyuioplkjhgfdsazxcvbnmqwertyuioplkjhgfdsazxcvbnmqwertyuioplkjhgfdsazxcvbnm123456789";
        $key = substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(4, 12));
        $secret = substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(8, 10))."-".substr(str_shuffle($str), 0,rand(4, 12));
        $data = array(
            "key" => $key,
            "secret" => $secret,
        );
        return $data;
    }

}