#ifndef GAMESTATE_H
#define GAMESTATE_H

#include <QObject>
#include "playingcard.h"
#include "columnslot.h"

class GameState : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QList<PlayingCard*> drawPile READ drawPile NOTIFY onDrawPileChanged)
    Q_PROPERTY(QList<PlayingCard*> throwawayPile READ throwawayPile NOTIFY onThrowawayPileChanged)
    Q_PROPERTY(QList<QList<ColumnSlot*>> columns READ columns NOTIFY onColumnsChanged)
    Q_PROPERTY(QList<QList<PlayingCard*>> foundation READ foundation NOTIFY onFoundationChanged)

public:
    explicit GameState(QObject *parent = nullptr);

    QList<PlayingCard*> drawPile() const;
    QList<PlayingCard*> throwawayPile() const;
    QList<QList<ColumnSlot*>> columns() const;
    QList<QList<PlayingCard*>> foundation() const;

    void dealCards();
    void drawNextCard();
    bool moveCardToColumn(int columnId);
    bool moveThrownCardToFoundation(PlayingCard::Suit foundationId);
    bool moveColumnCardToFoundation(int columnId, PlayingCard::Suit foundationId);

signals:
    void onDrawPileChanged();
    void onThrowawayPileChanged();
    void onColumnsChanged();
    void onFoundationChanged();

private:
    QList<PlayingCard*> m_drawPile;
    QList<PlayingCard*> m_throwawayPile;
    QList<QList<ColumnSlot*>> m_columns;
    QList<QList<PlayingCard*>> m_foundation;

    bool tryMoveCardToFoundation(PlayingCard::Suit foundationId, PlayingCard* cardToMove);
    void ensureColumnRevealed(int columnId);
};

#endif // GAMESTATE_H