#ifndef DICEROLLERNODE_H
#define DICEROLLERNODE_H

#include <Qt>

#include "executionnode.h"
#include "result/diceresult.h"
#include <utility>
/**
 * @brief The DiceRollerNode class rolls dice of one kind.
 */
class DiceRollerNode : public ExecutionNode
{
public:
    /**
     * @brief DiceRollerNode builds an instance
     * @param faces, number of faces of dices
     * @param offset, first value of dice.
     */
    DiceRollerNode(qint64 max, qint64 min= 1);

    /**
     * @brief run - starts to roll dice.
     */
    virtual void run(ExecutionNode*);
    /**
     * @brief getFaces accessor
     * @return the face count
     */
    quint64 getFaces() const;
    std::pair<qint64, qint64> getRange() const;

    /**
     * @brief toString
     * @param wl
     * @return use to generate dot tree;
     */
    virtual QString toString(bool wl) const;
    /**
     * @brief getPriority
     * @return priority for dice roll: 4 (higher)
     */
    virtual qint64 getPriority() const;

    virtual ExecutionNode* getCopy() const;

    // private members
    Die::ArithmeticOperator getOperator() const;
    void setOperator(const Die::ArithmeticOperator& dieOperator);

    bool getUnique() const;
    void setUnique(bool unique);

private:
    quint64 m_diceCount;
    qint64 m_max; /// faces
    DiceResult* m_diceResult;
    qint64 m_min;
    Die::ArithmeticOperator m_operator;
    bool m_unique = false;
};

#endif // DICEROLLERNODE_H