#include <stdio.h>
#include "app_gui.h"
#include "gui_event.h"
#include "app_io.h"
#include "app_config.h"

static int phase = 0;

static uint16_t sample_dry = 0;

void screen_moisture_calib(GuiEvent event)
{
    switch (event) {
        case GUI_EVENT_SCREEN_INIT:
            phase = 0;
            // pass through
        case GUI_EVENT_SCREEN_TICK_100MS:
            gui_read_moisture();
            request_paint(); // will read new measurement
            break;

        case GUI_EVENT_PAINT:
            if (phase == 0) {
                LcdBuffer_Write(&lcd, 0, 0, "Dej čidlo do vyschlé");
                LcdBuffer_Write(&lcd, 1, 0, "půdy (vlhkost 0%)");
            } else {
                LcdBuffer_Write(&lcd, 0, 0, "Dej čidlo do mokré");
                LcdBuffer_Write(&lcd, 1, 0, "půdy (vlhkost 100%)");
            }

            snprintf(sbuf, sbuf_len, "Vlhkost %4d/4095", s_app.moisture_raw);
            LcdBuffer_Write(&lcd, 2, 0, sbuf);

            LcdBuffer_Write(&lcd, 3, 0, "🅳Zrušit 🅰Potvrdit");
            break;

        case GUI_EVENT_KEY_A: // Confirm
            if (phase == 0) {
                sample_dry = s_app.moisture_raw;
                phase++;
                LcdBuffer_Clear(&lcd); // make sure there isnt overlap with previous step
            } else {
                settings_scratch.moisture_dry = sample_dry;
                settings_scratch.moisture_wet = s_app.moisture_raw;
                switch_to_parent_screen(screen_settings);
            }
            break;

        case GUI_EVENT_KEY_D: // CANCEL
            switch_to_parent_screen(screen_settings);
            break;
    }
}