#pragma once

#include <cstdint>

class UsbMidiTransport;

class ExpressionPedal {
public:
    ExpressionPedal(uint8_t adc_pin = 5);

    void begin();
    void update(UsbMidiTransport& midi);
    uint8_t get_value() const { return current_value; }
    uint16_t get_raw() const { return current_raw; }
    void set_cal_min();
    void set_cal_max();
    uint16_t get_cal_min() const { return cal_min; }
    uint16_t get_cal_max() const { return cal_max; }

private:
    uint8_t adc_pin;
    uint8_t current_value;
    uint8_t last_sent_value;
    uint8_t midi_channel;
    uint8_t midi_cc;

    static const uint8_t HYSTERESIS = 3;
    static const uint16_t READ_INTERVAL_MS = 20;
    uint32_t last_read_time;

    uint16_t current_raw;
    uint16_t cal_min;
    uint16_t cal_max;

    uint8_t adc_to_midi(uint16_t adc_value);
};