/*
 * Copyright (C) 2014-2026 Amlogic, Inc. All rights reserved.
 *
 * All information contained herein is Amlogic confidential.
 *
 * This software is provided to you pursuant to Software License Agreement
 * (SLA) with Amlogic Inc ("Amlogic"). This software may be used
 * only in accordance with the terms of this agreement.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification is strictly prohibited without prior written permission from
 * Amlogic.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <UserDataAfd.h>

#include <string>
#include <thread>

#include "InfoChangeListener.h"
#include "ParserFactory.h"
#include "Presentation.h"

class Subtitle : public InfoChangeListener {
public:
    Subtitle(bool isExtSub, int idxSubId, ParserEventNotifier *notifier, bool registeredOnDataCB);
    ~Subtitle();

    void attachDataSource(std::shared_ptr<DataSource> source,
                          std::shared_ptr<InfoChangeListener> listener);
    void dettachDataSource(std::shared_ptr<InfoChangeListener> listener);

    int getTotalSubtitles();
    int getSubtitleType();
    std::string currentLanguage();

    void scheduleStart();
    bool resetForSeek();

    // InfoChangeListener
    void onSubtitleChanged(int newTotal) override;
    void onRenderStartTimestamp(int64_t startPts) override;
    void onRenderTimeChanged(int64_t renderTimePts) override;
    void onTypeChanged(int newType) override;
    void onGetLanguage(std::string &lang) override;

    // ttx control api
    int getSubtitleStatus(int type, int cmd);
    int ttGoHome();
    int ttGotoPage(int pageNo, int subPageNo);
    int ttNextPage(int dir);
    int ttNextSubPage(int dir);

    bool onMediaCurrentPresentationTime(int ptsMills);
    bool setParameter(void *params);
    void dump(int fd);

    bool show();
    bool hide();

    bool setSubTranslationLanguage(const std::string &srcLang, const std::string &dstLang);
    bool setDvbCountryCode(const std::string &iso3166CountryCode);

private:
    static const int ACTION_SUBTITLE_RECEIVED_SUBTYPE = 1;
    static const int ACTION_SUBTITLE_RESET_FOR_SEEK = 2;
    static const int ACTION_SUBTITLE_SET_PARAM = 3;
    static const int ACTION_SUBTITLE_RESET_MEDIASYNC = 4;
    static const int ACTION_SUBTITLE_SET_DVB_COUNTRY_CODE = 5;

    std::shared_ptr<DataSource> mDataSource;

    int mSubtitleTracks = -1;
    int mCurrentSubtitleType = -1;
    int64_t mRenderTimePts = -1;
    int mPendingAction = -1;
    bool mIsExtSub = false;
    int mIdxSubTrack = -1;
    bool mExitRequested = false;
    std::string mCurrentLanguage;
    std::string mDvbCountryCode;
    std::shared_ptr<Presentation> mPresentation;

    std::shared_ptr<Parser> mParser;
    std::shared_ptr<UserDataAfd> mUserDataAfd;

    ParserEventNotifier *mParserNotifier = nullptr;
    std::shared_ptr<std::thread> mThread = nullptr;

    std::shared_ptr<SubtitleParamType> mSubPrams;

    std::mutex mMutex;
    std::condition_variable mCv;

    void run();
};