//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2004-2021 musikcube team
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
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//////////////////////////////////////////////////////////////////////////////

#pragma once

#include <cursespp/LayoutBase.h>
#include <cursespp/TextLabel.h>
#include <cursespp/TextInput.h>

#include <app/window/CategoryListView.h>
#include <app/window/TrackListView.h>
#include <musikcore/audio/PlaybackService.h>
#include <musikcore/support/Preferences.h>
#include <musikcore/library/ILibrary.h>

#include <sigslot/sigslot.h>

#include <functional>

namespace musik {
    namespace cube {
        class BrowseLayout :
            public cursespp::LayoutBase,
            public sigslot::has_slots<>
        {
            public:
                DELETE_CLASS_DEFAULTS(BrowseLayout)

                using HeaderClickHandler = std::function<void()>;

                BrowseLayout(
                    musik::core::audio::PlaybackService& playback,
                    musik::core::ILibraryPtr library);

                virtual ~BrowseLayout();

                /* IWindow */
                bool KeyPress(const std::string& key) override;
                void ProcessMessage(musik::core::runtime::IMessage &message) override;

                void ScrollTo(const std::string& fieldType, int64_t fieldId);
                void SwitchCategory(const std::string& fieldName);
                void PlayFromTop();

                void SetOnHeaderClicked(HeaderClickHandler handler);

                void LoadLastSession();

            protected:
                /* LayoutBase */
                void OnLayout() override;

            private:
                void InitializeWindows();
                void SaveSession();

                void OnIndexerProgress(int count);
                void RequeryTrackList(cursespp::ListWindow *view);

                void OnCategoryViewSelectionChanged(
                    cursespp::ListWindow *view, size_t newIndex, size_t oldIndex);

                void OnCategoryViewInvalidated(
                    cursespp::ListWindow *view, size_t selectedIndex);

                void OnCategoryFilterChanged(
                    cursespp::TextInput* sender, std::string value);

                void OnCategoryFilterEnterPressed(cursespp::TextInput* sender);

                void OnWindowMouseEvent(
                    cursespp::Window* window, const cursespp::IMouseHandler::Event* mouseEvent);

                void OnRequeried(musik::core::library::query::TrackListQueryBase* query);

                bool IsPlaylist();
                bool ProcessEditOperation(const std::string& key);
                bool ProcessPlaylistOperation(const std::string& key);
                void ShowModifiedLabel(bool show);
                void ShowTrackSortOverlay();

                bool playlistModified{ false };
                bool showCategoryListFilter{ false };
                std::string currentFilter;
                musik::core::audio::PlaybackService& playback;
                musik::core::ILibraryPtr library;
                std::shared_ptr<musik::core::Preferences> prefs;
                std::shared_ptr<CategoryListView> categoryList;
                std::shared_ptr<cursespp::TextInput> categoryListFilter;
                std::shared_ptr<TrackListView> trackList;
                std::shared_ptr<cursespp::TextLabel> modifiedLabel;
                HeaderClickHandler categoryListHeaderClickHandler;
        };
    }
}
