#pragma once

#include "pico/stdlib.h"

#include <stdint.h>
#include <stdbool.h>

typedef struct {
    uint clk_gpio;
    uint dt_gpio;
    uint sw_gpio;
    bool invert_dir;
} encoder_pins_t;

typedef struct {
    encoder_pins_t pins;

    volatile int32_t position;
    volatile int16_t accum;

    bool btn_down;
    bool btn_press_event;
    bool btn_raw_last;
    bool btn_stable;
    absolute_time_t btn_last_change;
    absolute_time_t btn_next_sample;
    absolute_time_t mute_until;

    uint8_t ab_stable;
    uint8_t ab_candidate;
    absolute_time_t ab_candidate_since;
    uint32_t edges;
    uint32_t clicks;
} encoder_t;

void encoder_init(encoder_t *enc, const encoder_pins_t *pins);
void encoder_poll(encoder_t *enc);

int32_t encoder_get_position(const encoder_t *enc);
void encoder_set_position(encoder_t *enc, int32_t pos);

bool encoder_btn_pressed(const encoder_t *enc);
bool encoder_btn_was_pressed(encoder_t *enc);