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// Copyright (c) 2004-2021 musikcube team
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#include "Utility.h"
#include "OpenMptDataStream.h"
#include <musikcore/sdk/IIndexerSource.h>
#include <musikcore/sdk/IEnvironment.h>
#include <musikcore/sdk/IIndexerSource.h>
#include <cassert>

using namespace musik::core::sdk;

extern IEnvironment* environment;

OpenMptDataStream::OpenMptDataStream()
: stream(nullptr) {
}

OpenMptDataStream::OpenMptDataStream(musik::core::sdk::IDataStream* stream)
: stream(stream)
, releaseStream(false) {
}

OpenMptDataStream::~OpenMptDataStream() {
}

bool OpenMptDataStream::Open(const char *uri, OpenFlags flags) {
    assert(this->stream == nullptr);
    if (this->Parse(uri)) {
        if (environment) {
            this->stream = environment->GetDataStream(this->filename.c_str(), flags);
            if (this->stream) {
                return true;
            }
        }
    }
    return false;
}

bool OpenMptDataStream::Parse(const char* uri) {
    return indexer::parseExternalId(
        EXTERNAL_ID_PREFIX,
        std::string(uri),
        this->filename,
        this->trackNumber);
}

bool OpenMptDataStream::Close() {
    return this->stream->Close();
}

void OpenMptDataStream::Interrupt() {
    this->stream->Interrupt();
}

void OpenMptDataStream::Release() {
    if (releaseStream && stream) {
        stream->Release();
        stream = nullptr;
    }
    delete this;
}

PositionType OpenMptDataStream::Read(void *buffer, PositionType readBytes) {
    return this->stream->Read(buffer, readBytes);
}

bool OpenMptDataStream::SetPosition(PositionType position) {
    return this->stream->SetPosition(position);
}

PositionType OpenMptDataStream::Position() {
    return this->stream->Position();
}

bool OpenMptDataStream::Seekable() {
    return this->stream->Seekable();
}

bool OpenMptDataStream::Eof() {
    return this->stream->Eof();
}

long OpenMptDataStream::Length() {
    return this->stream->Length();
}

const char* OpenMptDataStream::Type() {
    return this->stream->Type();
}

const char* OpenMptDataStream::Uri() {
    return this->stream->Uri();
}

bool OpenMptDataStream::CanPrefetch() {
    return this->stream->CanPrefetch();
}
