#include "ui_nav.h"

#include "lvgl_port.h"
#include "screens/ui_Screen1.h"
#include "screens/ui_Screen2.h"
#include "screens/ui_Screen3.h"
#include "screens/ui_Settings.h"
#include "ui_helpers.h"

#include "esp_log.h"

static const char *TAG = "ui_nav";

static lv_obj_t *s_nav_screens[4];
static const char *const s_nav_names[] = {
    "Settings",
    "Screen1",
    "Screen2",
    "Screen3",
};

#define NAV_SCREEN_COUNT (sizeof(s_nav_screens) / sizeof(s_nav_screens[0]))

static uint8_t s_nav_index;

void ui_nav_init(void)
{
    s_nav_screens[0] = ui_Settings;
    s_nav_screens[1] = ui_Screen1;
    s_nav_screens[2] = ui_Screen2;
    s_nav_screens[3] = ui_Screen3;
    s_nav_index = 0;
    ESP_LOGI(TAG, "Navigation ready (%u screens, start=%s)", (unsigned)NAV_SCREEN_COUNT,
             s_nav_names[s_nav_index]);
}

void ui_nav_goto(uint8_t index)
{
    if (index >= NAV_SCREEN_COUNT) {
        return;
    }

    lvgl_port_lock();
    s_nav_index = index;
    lv_obj_t **target = &s_nav_screens[s_nav_index];
    _ui_screen_change(target, LV_SCR_LOAD_ANIM_FADE_IN, 300, 0, NULL);
    lvgl_port_unlock();

    ESP_LOGI(TAG, "Goto %s (index %u)", s_nav_names[s_nav_index], s_nav_index);
}

void ui_nav_next(void)
{
    lvgl_port_lock();
    s_nav_index = (s_nav_index + 1) % NAV_SCREEN_COUNT;
    lv_obj_t **target = &s_nav_screens[s_nav_index];
    _ui_screen_change(target, LV_SCR_LOAD_ANIM_FADE_IN, 300, 0, NULL);
    lvgl_port_unlock();

    ESP_LOGI(TAG, "Next -> %s (index %u)", s_nav_names[s_nav_index], s_nav_index);
}

lv_obj_t *ui_nav_current(void)
{
    return s_nav_screens[s_nav_index];
}

uint8_t ui_nav_current_index(void)
{
    return s_nav_index;
}

const char *ui_nav_current_name(void)
{
    return s_nav_names[s_nav_index];
}