/**
 * Dispay
 */

#include "user_interface.h"
#include "twi.h"
#include "ssd1306.h"
#include "sevenseg.h"
#include "global_state.h"
#include "radiation.h"

static bool ended_loading = false;

static struct SevenSeg sseg = {
        .x0 = 0,
        .y0 = 0,
        .charwidth = 17,
        .thick = 3,
        //.charwidth = 16,
        //.thick = 1,
        .spacing = 4,
};

void clear_screen()
{
    ssd1306_clearScreen();
}

void init_user_interface()
{
    TWI_Init();
    ssd1306_128x32_i2c_init();
    ssd1306_clearScreen();
}

void turn_off_display() {
    ssd1306_displayOff();
}

static volatile uint16_t last_value = 0;
static volatile uint16_t last_value_d = 0;
void show_current_radiation()
{
    // this is called from main, so we can sleep

    if (!ended_loading) {
        int progress = rad_get_progress();
        if (progress == 100) {
            show_loading_screen(100, false);
            ended_loading = true;

            // so user sees it
            _delay_ms(250);

            clear_screen();
            // start showing values
        } else {
            if (progress < 10) progress = 10;
            show_loading_screen(progress, false);
            return;
        }
    }

//    uint16_t cpm = rad_get_cpm();
//    if (cpm != last_value) {
//        last_value = cpm;
//        sseg_number(&sseg, cpm, 5, 1);
//    }
    uint8_t decimals = 0;
    uint16_t usvh = rad_get_usvh(&decimals);
    if (usvh != last_value || decimals != last_value_d) {
        last_value = usvh;
        last_value_d = decimals;
        sseg_number(&sseg, usvh, 5, decimals);
    }
}