#include "esp_system.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "freertos/task.h"
#include "impl_lvgl.h"

#define IF_EVENT_QUEUE_LEN     2
#define IF_EVENT_QUEUE_SIZE()  (sizeof(int))
#define IF_EVENT_QUEUE_TIMEOUT 100

#define IF_EVENT_EXIT_BUTTON   0

static TaskHandle_t  s_if_wifi_task_handle;
static QueueHandle_t s_if_wifi_event_queue;

static void if_wifi_event_handler(lv_event_t *ev) {
    int button_event = (int)ev->user_data;
    xQueueSend(s_if_wifi_event_queue, &button_event, pdMS_TO_TICKS(100));
}

void if_wifi_task(void *pvParameters) {
    lv_obj_t *parent = pvParameters;

    impl_lvgl_lock();

    lv_obj_t *wifi_main = lv_obj_create(parent);
    lv_obj_set_size(wifi_main, 360, 280);
    lv_obj_set_align(wifi_main, LV_ALIGN_CENTER);

    lv_obj_t *exit_obj = lv_btn_create(wifi_main);

    lv_obj_set_size(exit_obj, 36, 36);

    lv_obj_align(exit_obj, LV_ALIGN_TOP_RIGHT, 0, 0);

    lv_obj_add_event_cb(exit_obj, if_wifi_event_handler, LV_EVENT_CLICKED, (void *)IF_EVENT_EXIT_BUTTON);

    lv_obj_t *exit_label = lv_label_create(exit_obj);

    lv_obj_set_style_text_font(exit_label, &material_webfont_32, 0);

    lv_label_set_text(exit_label, "\U000F05AD");

    lv_obj_set_align(exit_label, LV_ALIGN_CENTER);

    impl_lvgl_unlock();

    int     button_event   = 0;
    uint8_t terminate_flag = 0;

    for (;;) {
        if (xQueueReceive(s_if_wifi_event_queue, &button_event, portMAX_DELAY) == pdPASS) {
            switch (button_event) {
                case IF_EVENT_EXIT_BUTTON:
                    terminate_flag = 1;
                    break;
                default:
                    break;
            }
        }

        if (terminate_flag) {
            break;
        }
    }

    // When we are done, delete UI elements and task
    lv_obj_del_async(wifi_main);

    vQueueDelete(s_if_wifi_event_queue);
    s_if_wifi_event_queue = NULL;
    vTaskDelete(NULL);
}

/**
 * @brief Initialize WiFi status/configuration component
 *
 * @param parent_obj
 * @return esp_err_t
 */
esp_err_t if_wifi_init(lv_obj_t *parent_obj) {
    s_if_wifi_event_queue = xQueueCreate(IF_EVENT_QUEUE_LEN, IF_EVENT_QUEUE_SIZE());

    if (xTaskCreate(if_wifi_task, "STBY_TASK", 4096, parent_obj, 6, &s_if_wifi_task_handle) != pdPASS) {
        return ESP_FAIL;
    }
    return ESP_OK;
}