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//
// Copyright (c) 2004-2021 musikcube team
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//////////////////////////////////////////////////////////////////////////////

#pragma once

#include <musikcore/sdk/constants.h>
#include <musikcore/audio/ITransport.h>
#include <musikcore/support/Preferences.h>

namespace musik { namespace core { namespace audio {
    class MasterTransport :
        public sigslot::has_slots<>,
        public musik::core::audio::ITransport
    {
        public:
            using Type = musik::core::sdk::TransportType;

            MasterTransport() noexcept;

            void Start(const std::string& uri, Gain gain, StartMode mode) override;
            void PrepareNextTrack(const std::string& uri, Gain gain) override;

            std::string Uri() override;

            void Stop() override;
            bool Pause() override;
            bool Resume() override;

            double Position() override;
            void SetPosition(double seconds) override;

            double Volume() override;
            void SetVolume(double volume) override;

            double GetDuration() override;

            bool IsMuted() override;
            void SetMuted(bool muted) override;

            void ReloadOutput() override;

            musik::core::sdk::PlaybackState GetPlaybackState() override;
            musik::core::sdk::StreamState GetStreamState() override;

            void SwitchTo(Type type);
            Type GetType() noexcept;

        private:
            void OnStreamEvent(musik::core::sdk::StreamState type, std::string url);
            void OnPlaybackEvent(musik::core::sdk::PlaybackState type);
            void OnVolumeChanged();
            void OnTimeChanged(double time);

            std::shared_ptr<musik::core::audio::ITransport> transport;
            std::shared_ptr<musik::core::Preferences> prefs;
            Type type;
    };
} } }
