<?php

namespace Qcloud\Cos;

use Psr\Http\Message\RequestInterface;
use GuzzleHttp\Command\CommandInterface;
use GuzzleHttp\Psr7\Uri;
use InvalidArgumentException;

class CommandToRequestTransformer {
    private $config;
    private $operation;

    public function __construct( $config, $operation ) {
        $this->config = $config;
        $this->operation = $operation;
    }

    // format bucket style
    public function bucketStyleTransformer( CommandInterface $command, RequestInterface $request ) {
        $action = $command->getName();
        if ($action == 'ListBuckets') {
            $uri = "service.cos.myqcloud.com";

            if ($this->config['endpoint'] != null) {
                $uri = $this->config['endpoint'];
            }
            if ($this->config['domain'] != null) {
                $uri = $this->config['domain'];
            }
            if ($this->config['ip'] != null) {
                $uri = $this->config['ip'];
                if ($this->config['port'] != null) {
                    $uri = $this->config['ip'] . ":" . $this->config['port'];
                }
            }
            return $request->withUri(new Uri($this->config['scheme']."://". $uri. "/"));
        }
        $operation = $this->operation;
        $bucketname = $command['Bucket'];

        $appId = $this->config['appId'];
        if ( $appId != null && endWith( $bucketname, '-'.$appId ) == false ) {
            $bucketname = $bucketname.'-'.$appId;
        }
        $command['Bucket'] = $bucketname;

        $uri = $operation['uri'];

        // Hoststyle is used by default
        // Pathstyle
        if ( $this->config['pathStyle'] != true ) {
            if ( isset( $operation['parameters']['Bucket'] ) && $command->hasParam( 'Bucket' ) ) {
                $uri = str_replace( '{Bucket}', '', $uri );
            }

            if ( isset( $operation['parameters']['Key'] ) && $command->hasParam( 'Key' ) ) {
                $uri = str_replace( '{/Key*}', encodeKey( $command['Key'] ), $uri );
            }
        }

        if ($this->config['endpoint'] == null) {
            $this->config['endpoint'] = "myqcloud.com";
        }

        $domain_type = '.cos.';
        if ($action == 'PutBucketImageStyle' || $action == 'GetBucketImageStyle' || $action == 'DeleteBucketImageStyle'
            || $action == 'PutBucketGuetzli' || $action == 'GetBucketGuetzli' || $action == 'DeleteBucketGuetzli'
            || $action == 'BindCiService' || $action == 'GetCiService' || $action == 'UnBindCiService'
            || $action == 'GetHotLink' || $action == 'AddHotLink'
            || $action == 'OpenOriginProtect' || $action == 'GetOriginProtect' || $action == 'CloseOriginProtect'
            || $action == 'OpenImageSlim' || $action == 'GetImageSlim' || $action == 'CloseImageSlim') {
            $domain_type = '.pic.';
        }

        if ($domain_type == '.pic.' && ($this->config['allow_accelerate'] || $this->config['region'] == 'accelerate')) {
            $e = new Exception\CosException('CI request does not support using accelerate domain');
            $e->setExceptionCode('RegionUnsupport');
            throw $e;
        }

        $origin_host = $this->config['allow_accelerate'] ?
            $bucketname . $domain_type . 'accelerate' . '.' . $this->config['endpoint'] :
            $bucketname . $domain_type . $this->config['region'] . '.' . $this->config['endpoint'];

        // domain
        if ( $this->config['domain'] != null ) {
            $origin_host = $this->config['domain'];
        }
        $host = $origin_host;
        if ( $this->config['ip'] != null ) {
            $host = $this->config['ip'];
            if ( $this->config['port'] != null ) {
                $host = $this->config['ip'] . ':' . $this->config['port'];
            }
        }

        $path = $this->config['scheme'].'://'. $host . $uri;
        $uri = new Uri( $path );
        $query = $request->getUri()->getQuery();
        if ( $uri->getQuery() != $query && $uri->getQuery() != '' ) {
            $query = $uri->getQuery() . '&' . $request->getUri()->getQuery();
        }
        $uri = $uri->withQuery( $query );
        $request = $request->withUri( $uri );
        $request = $request->withHeader( 'Host', $origin_host );
        return $request;
    }

    // format upload body
    public function uploadBodyTransformer( CommandInterface $command, $request, $bodyParameter = 'Body', $sourceParameter = 'SourceFile' ) {
        $operation = $this->operation;
        if ( !isset( $operation['parameters']['Body'] ) ) {
            return $request;
        }
        $source = isset( $command[$sourceParameter] ) ? $command[$sourceParameter] : null;
        $body = isset( $command[$bodyParameter] ) ? $command[$bodyParameter] : null;
        // If a file path is passed in then get the file handle
        if ( is_string( $source ) && file_exists( $source ) ) {
            $body = fopen( $source, 'rb' );
        }
        // Prepare the body parameter and remove the source file parameter
        if ( null !== $body ) {
            return $request;
        } else {
            throw new InvalidArgumentException("You must specify a non-null value for the {$bodyParameter} or {$sourceParameter} parameters.");
        }
    }

    // update md5
    public function md5Transformer( CommandInterface $command, $request ) {
        $operation = $this->operation;
        if ( isset( $operation['data']['contentMd5'] ) ) {
            $request = $this->addMd5( $request );
        }
        if ( isset( $operation['parameters']['ContentMD5'] ) &&
            isset( $command['ContentMD5'] ) ) {
            $value = $command['ContentMD5'];
            if ( $value != false ) {
                $request = $this->addMd5( $request );
            }
        }

        return $request;
    }

    // add Query string
    public function queryStringTransformer( CommandInterface $command, $request ) {
        $operation = $this->operation;
        if ( isset( $command['Params'] ) ) {
            $params = $command['Params'];
            foreach ( $params as $key => $value ) {
                $uri = $request->getUri();
                $query = $uri->getQuery();
                $uri = $uri->withQuery($query. "&" . urlencode($key) . "=" . $value );
                $request = $request->withUri( $uri );
            }
        }

        return $request;
    }

    // add Header string
    public function headerTransformer( CommandInterface $command, $request ) {
        $operation = $this->operation;
        if ( isset( $command['Headers'] ) ) {
            $headers = $command['Headers'];
            foreach ( $headers as $key => $value ) {
                $request = $request->withHeader( $key, $value);
            }
        }
        return $request;
    }

    // add meta

    public function metadataTransformer( CommandInterface $command, $request ) {
        $operation = $this->operation;
        if ( isset( $command['Metadata'] ) ) {
            $meta = $command['Metadata'];
            foreach ( $meta as $key => $value ) {
                $request = $request->withHeader( 'x-cos-meta-' . $key, $value );
            }
        }
        $request = headersMap( $command, $request );

        return $request;
    }

    // count md5
    private function addMd5( $request ) {
        $body = $request->getBody();
        if ( $body && $body->getSize() > 0 ) {
            $md5 = base64_encode( md5( $body, true ) );
            return $request->withHeader( 'Content-MD5', $md5 );
        }
        return $request;
    }

    // inventoryId
    public function specialParamTransformer( CommandInterface $command, $request ) {
        $action = $command->getName();
        if ( $action == 'PutBucketInventory' ) {
            $id = $command['Id'];
            $uri = $request->getUri();
            $query = $uri->getQuery();
            $uri = $uri->withQuery( $query . '&Id='.$id );
            return $request->withUri( $uri );
        }
        return $request;
    }

    public function ciParamTransformer( CommandInterface $command, $request ) {
        $action = $command->getName();
        if ( $action == 'GetObject' ) {
            if(str_contains($uri = $request->getUri(), '%21') ) {
                $uri = new Uri( str_replace('%21', '!', $uri) );
                $request = $request->withUri( $uri );
            }
            if(isset($command['ImageHandleParam']) && $command['ImageHandleParam']){
                $uri = $request->getUri();
                $query = $uri->getQuery();
                if($query){
                    $query .= "&" . urlencode($command['ImageHandleParam']);
                }else{
                    $query .= urlencode($command['ImageHandleParam']);
                }
                $uri = $uri->withQuery($query);
                $request = $request->withUri( $uri );
            }
        }
        return $request;
    }

    public function cosDomain2CiTransformer(CommandInterface $command, $request) {
        $action = $command->getName();
        if(key_exists($action, array(
            'DescribeMediaBuckets' => 1,
            'DescribeDocProcessBuckets' => 1,
            'GetPicBucketList' => 1,
            'GetAiBucketList' => 1,
            'GetAsrBucketList' => 1,
        ))) {
            $origin_host = "ci.{$this->config['region']}.myqcloud.com";
            $host = $origin_host;
            if ($this->config['ip'] != null) {
                $host = $this->config['ip'];
                if ($this->config['port'] != null) {
                    $host = $this->config['ip'] . ':' . $this->config['port'];
                }
            }

            // 万象接口需要https，http方式报错
            if ($this->config['scheme'] !== 'https') {
                $e = new Exception\CosException('CI request scheme must be "https", instead of "http"');
                $e->setExceptionCode('Invalid Argument');
                throw $e;
            }
            $path = $this->config['scheme'].'://'. $host . $request->getUri()->getPath();
            $uri = new Uri( $path );
            $query = $request->getUri()->getQuery();
            $uri = $uri->withQuery( $query );
            $request = $request->withUri( $uri );
            $request = $request->withHeader( 'Host', $origin_host );
            return $request;
        }
        if(key_exists($action, array(
            'CreateDataset' => 1,
            'DeleteDataset' => 1,
            'DescribeDataset' => 1,
            'DescribeDatasets' => 1,
            'UpdateDataset' => 1,
            'CreateDatasetBinding' => 1,
            'DeleteDatasetBinding' => 1,
            'DescribeDatasetBinding' => 1,
            'DescribeDatasetBindings' => 1,
            'CreateFileMetaIndex' => 1,
            'DeleteFileMetaIndex' => 1,
            'DescribeFileMetaIndex' => 1,
            'UpdateFileMetaIndex' => 1,
            'SearchImage' => 1,
            'DatasetFaceSearch' => 1,
            'DatasetSimpleQuery' => 1,
        ))) {
            if (!$command->hasParam( 'AppId' )){
                $e = new Exception\CosException('params must include "Appid"');
                $e->setExceptionCode('Invalid Argument');
                throw $e;
            }
            $appid=$command['AppId'];
            $origin_host = "$appid.ci.{$this->config['region']}.myqcloud.com";
            $host = $origin_host;
            if ($this->config['ip'] != null) {
                $host = $this->config['ip'];
                if ($this->config['port'] != null) {
                    $host = $this->config['ip'] . ':' . $this->config['port'];
                }
            }

            // 万象接口需要https，http方式报错
            if ($this->config['scheme'] !== 'https') {
                $e = new Exception\CosException('CI request scheme must be "https", instead of "http"');
                $e->setExceptionCode('Invalid Argument');
                throw $e;
            }
            $path = $this->config['scheme'].'://'. $host . $request->getUri()->getPath();
            $uri = new Uri( $path );
            $query = $request->getUri()->getQuery();
            $uri = $uri->withQuery( $query );
            $request = $request->withUri( $uri );
            $request = $request->withHeader( 'Host', $origin_host );
            return $request;
        }
        
        $ciActions = array(
            'DetectText' => 1,
            'CreateMediaTranscodeJobs' => 1,
            'CreateMediaJobs' => 1,
            'DescribeMediaJob' => 1,
            'DescribeMediaJobs' => 1,
            'CreateMediaSnapshotJobs' => 1,
            'CreateMediaConcatJobs' => 1,
            'DetectAudio' => 1,
            'GetDetectAudioResult' => 1,
            'GetDetectTextResult' => 1,
            'DetectVideo' => 1,
            'GetDetectVideoResult' => 1,
            'DetectDocument' => 1,
            'GetDetectDocumentResult' => 1,
            'CreateDocProcessJobs' => 1,
            'DescribeDocProcessQueues' => 1,
            'DescribeDocProcessJob' => 1,
            'GetDescribeDocProcessJobs' => 1,
            'DetectImages' => 1,
            'GetDetectImageResult' => 1,
            'DetectVirus' => 1,
            'GetDetectVirusResult' => 1,
            'CreateMediaVoiceSeparateJobs' => 1,
            'DescribeMediaVoiceSeparateJob' => 1,
            'DetectWebpage' => 1,
            'GetDetectWebpageResult' => 1,
            'DescribeMediaQueues' => 1,
            'UpdateMediaQueue' => 1,
            'CreateMediaSmartCoverJobs' => 1,
            'CreateMediaVideoProcessJobs' => 1,
            'CreateMediaVideoMontageJobs' => 1,
            'CreateMediaAnimationJobs' => 1,
            'CreateMediaPicProcessJobs' => 1,
            'CreateMediaSegmentJobs' => 1,
            'CreateMediaVideoTagJobs' => 1,
            'CreateMediaSuperResolutionJobs' => 1,
            'CreateMediaSDRtoHDRJobs' => 1,
            'CreateMediaDigitalWatermarkJobs' => 1,
            'CreateMediaExtractDigitalWatermarkJobs' => 1,
            'DetectLiveVideo' => 1,
            'CancelLiveVideoAuditing' => 1,
            'TriggerWorkflow' => 1,
            'GetWorkflowInstances' => 1,
            'GetWorkflowInstance' => 1,
            'CreateMediaSnapshotTemplate' => 1,
            'UpdateMediaSnapshotTemplate' => 1,
            'CreateMediaTranscodeTemplate' => 1,
            'UpdateMediaTranscodeTemplate' => 1,
            'CreateMediaHighSpeedHdTemplate' => 1,
            'UpdateMediaHighSpeedHdTemplate' => 1,
            'CreateMediaAnimationTemplate' => 1,
            'UpdateMediaAnimationTemplate' => 1,
            'CreateMediaConcatTemplate' => 1,
            'UpdateMediaConcatTemplate' => 1,
            'CreateMediaVideoProcessTemplate' => 1,
            'UpdateMediaVideoProcessTemplate' => 1,
            'CreateMediaVideoMontageTemplate' => 1,
            'UpdateMediaVideoMontageTemplate' => 1,
            'CreateMediaVoiceSeparateTemplate' => 1,
            'UpdateMediaVoiceSeparateTemplate' => 1,
            'CreateMediaSuperResolutionTemplate' => 1,
            'UpdateMediaSuperResolutionTemplate' => 1,
            'CreateMediaPicProcessTemplate' => 1,
            'UpdateMediaPicProcessTemplate' => 1,
            'CreateMediaWatermarkTemplate' => 1,
            'UpdateMediaWatermarkTemplate' => 1,
            'DescribeMediaTemplates' => 1,
            'DescribeWorkflow' => 1,
            'DeleteWorkflow' => 1,
            'CreateInventoryTriggerJob' => 1,
            'DescribeInventoryTriggerJobs' => 1,
            'DescribeInventoryTriggerJob' => 1,
            'CancelInventoryTriggerJob' => 1,
            'CreateMediaNoiseReductionJobs' => 1,
            'ImageSearchOpen' => 1,
            'UpdateDocProcessQueue' => 1,
            'CreateMediaQualityEstimateJobs' => 1,
            'CreateMediaStreamExtractJobs' => 1,
            'OpenFileProcessService' => 1,
            'GetFileProcessQueueList' => 1,
            'UpdateFileProcessQueue' => 1,
            'CreateFileHashCodeJobs' => 1,
            'GetFileHashCodeResult' => 1,
            'CreateFileUncompressJobs' => 1,
            'GetFileUncompressResult' => 1,
            'CreateFileCompressJobs' => 1,
            'GetFileCompressResult' => 1,
            'CreateM3U8PlayListJobs' => 1,
            'GetPicQueueList' => 1,
            'UpdatePicQueue' => 1,
            'OpenAiService' => 1,
            'CloseAiService' => 1,
            'GetAiQueueList' => 1,
            'UpdateAiQueue' => 1,
            'CreateMediaTranscodeProTemplate' => 1,
            'UpdateMediaTranscodeProTemplate' => 1,
            'CreateVoiceTtsTemplate' => 1,
            'UpdateVoiceTtsTemplate' => 1,
            'CreateMediaSmartCoverTemplate' => 1,
            'UpdateMediaSmartCoverTemplate' => 1,
            'CreateVoiceSpeechRecognitionTemplate' => 1,
            'UpdateVoiceSpeechRecognitionTemplate' => 1,
            'CreateVoiceTtsJobs' => 1,
            'CreateAiTranslationJobs' => 1,
            'CreateVoiceSpeechRecognitionJobs' => 1,
            'CreateAiWordsGeneralizeJobs' => 1,
            'CreateMediaVideoEnhanceJobs' => 1,
            'CreateMediaVideoEnhanceTemplate' => 1,
            'UpdateMediaVideoEnhanceTemplate' => 1,
            'CreateMediaTargetRecTemplate' => 1,
            'UpdateMediaTargetRecTemplate' => 1,
            'CreateMediaTargetRecJobs' => 1,
            'CreateMediaSegmentVideoBodyJobs' => 1,
            'OpenAsrService' => 1,
            'CloseAsrService' => 1,
            'GetAsrQueueList' => 1,
            'UpdateAsrQueue' => 1,
            'CreateMediaNoiseReductionTemplate' => 1,
            'UpdateMediaNoiseReductionTemplate' => 1,
            'CreateVoiceSoundHoundJobs' => 1,
            'CreateVoiceVocalScoreJobs' => 1,
            'GetHLSPlayKey' => 1,
            'PostWatermarkJobs' => 1,
            'GeneratePlayList' => 1,
            'CreateWatermarkTemplate' => 1,
        );
        if (key_exists($action, $ciActions)) {
            // 万象接口需要https，http方式报错
            if ($this->config['scheme'] !== 'https') {
                $e = new Exception\CosException('CI request scheme must be "https", instead of "http"');
                $e->setExceptionCode('Invalid Argument');
                throw $e;
            }

            $bucketname = $command['Bucket'];
            $appId = $this->config['appId'];
            if ( $appId != null && endWith( $bucketname, '-'.$appId ) == false ) {
                $bucketname = $bucketname.'-'.$appId;
            }
            $command['Bucket'] = $bucketname;
            $domain_type = '.ci.';
            $origin_host = $bucketname . $domain_type . $this->config['region'] . '.' . $this->config['endpoint'];
            $host = $origin_host;
            if ( $this->config['ip'] != null ) {
                $host = $this->config['ip'];
                if ( $this->config['port'] != null ) {
                    $host = $this->config['ip'] . ':' . $this->config['port'];
                }
            }
            $path = $this->config['scheme'].'://'. $host . $request->getUri()->getPath();
            $uri = new Uri( $path );
            $query = $request->getUri()->getQuery();
            $uri = $uri->withQuery( $query );
            $request = $request->withUri( $uri );
            $request = $request->withHeader( 'Host', $origin_host );
        }
        return $request;
    }

    public function __destruct() {
    }
}
