#pragma once

#include "core/Common.hpp"
#include <vector>

namespace dnr {

struct TumblerPin {
    float currentHeight = 0.0f; // 0.0 to 1.0
    float targetHeight = 0.5f;  // sweet spot
    float tolerance = 0.12f;
    bool locked = false;

    bool isInSweetSpot() const {
        return std::abs(currentHeight - targetHeight) <= tolerance;
    }
};

class TumblerLock {
public:
    TumblerLock();

    void init(int pinCount = 4, float difficulty = 1.0f);
    void update(float dt);

    void moveLeft();
    void moveRight();
    void adjustHeight(float delta);
    bool tryLockCurrentPin();
    bool isAllPinsLocked() const;

    int getSelectedPin() const { return m_selectedPin; }
    int getPinCount() const { return static_cast<int>(m_pins.size()); }
    const TumblerPin& getPin(int index) const { return m_pins[index]; }

    float getDecayRate() const { return m_decayRate; }

private:
    std::vector<TumblerPin> m_pins;
    int m_selectedPin = 0;
    float m_decayRate = 0.25f;
};

} // namespace dnr