#pragma once

#include "core/time.h"
#include "core/text.h"
#include "window.h"
#include "bpmslider.h"
#include "pushbutton.h"

#include <functional>

class BPMCalculator;
class Editor;

class BPMCalculatorWidget : public Window
{
public:

    struct Init
    {
        std::shared_ptr<PushButton> start;
        std::shared_ptr<PushButton> stop;
        std::shared_ptr<PushButton> apply;
        std::function<kku::microsec(void)> current_time;
    };

    explicit BPMCalculatorWidget(const std::shared_ptr<BPMCalculator>& bpm_calculator, const std::shared_ptr<kku::CoreFactory>& factory);

    virtual void input(const kku::SystemEvent& event) override;
    virtual void update(const kku::microsec& dt) override;
    virtual void display() const override;
    virtual void move(const kku::Vector2<float>& delta) override;

    virtual void setRect(const kku::Area<float>& rect) override;
    virtual void setPosition(const kku::Point& position) override;

    virtual void setVisibility(bool is_visible = true) override;

    void init(Init&& init);

private:
    std::shared_ptr<PushButton> _button_start;
    std::shared_ptr<PushButton> _button_stop;
    std::shared_ptr<PushButton> _button_apply;

    std::shared_ptr<BPMCalculator> _bpm_calculator;
    std::shared_ptr<BPMSlider> _slider;

    const std::shared_ptr<kku::CoreFactory> _core_factory;

    bool _ticked;
    std::shared_ptr<kku::Text> _bpm_value;
    std::function<kku::microsec(void)> _current_time;
};