#pragma once

#include <string>
#include <vector>

#include <QPoint>
#include <QWidget>

#include "Building.h"
#include "BuildingId.h"
#include "GameConfig.h"
#include "RecipesConfig.h"
#include "ShipLayout.h"
#include "ShipsConfig.h"
#include "Tick.h"

class Simulation;
class ShipLayoutPreview;
class QLabel;
class QComboBox;
class QListWidget;
class QPushButton;
class QVBoxLayout;

class SelectedBuildingPanel : public QWidget
{
    Q_OBJECT

public:
    SelectedBuildingPanel(Simulation* sim, const GameConfig* config,
                          QWidget* parent = nullptr);

signals:
    void layoutDialogRequested(BuildingId shipyardId);

public slots:
    void onSelectionChanged(const std::vector<BuildingId>& ids);
    void onStateUpdated(Tick tick, int blocks, double speed);

private slots:
    void onRecipeChanged(int comboIndex);
    void onClearBelt();
    void onSplitterFilterChanged();

private:
    void rebuild();
    void clearContent();
    void buildEmpty();
    void buildSingle(BuildingId id);
    void buildMulti(const std::vector<BuildingId>& ids);
    void refreshBuffers(const Building* b);
    void buildSplitterFilters(QPoint splitterTile);
    const RecipeDef* findRecipe(const Building* b) const;
    const ShipDef*   findShipDef(const std::string& id) const;
    std::vector<std::string> allItemIds() const;

    Simulation*        m_sim;
    const GameConfig*  m_config;
    std::vector<BuildingId> m_selectedBuildingIds;

    QVBoxLayout* m_layout;
    QLabel*      m_titleLabel;
    QComboBox*   m_recipeCombo;
    QPushButton* m_clearBeltBtn;
    QLabel*      m_filterALabel;
    QListWidget* m_filterAList;
    QLabel*      m_filterBLabel;
    QListWidget* m_filterBList;
    QLabel*      m_buffersLabel;

    ShipLayoutPreview* m_layoutPreview;
    QPushButton*       m_configureLayoutBtn;

    BuildingId     m_singleBuildingId;
    QPoint       m_splitterTile;
    std::string  m_currentRecipeId;
};