#include "ui_cmd.h"

#include <string.h>

void screen_home_weather_forecast_time_labels_refresh(void);

static QueueHandle_t s_ui_cmd_queue = NULL;

void ui_cmd_init(void)
{
    if (s_ui_cmd_queue != NULL)
        return;

    /* 非阻塞投递：如果队列满则丢弃，避免卡死业务线程 */
    s_ui_cmd_queue = xQueueCreate(32, sizeof(ui_cmd_t));
}

BaseType_t ui_cmd_set_label_text(lv_obj_t *obj, const char *text)
{
    if (s_ui_cmd_queue == NULL)
        return pdFAIL;
    if (obj == NULL || text == NULL)
        return pdFAIL;

    ui_cmd_t cmd = {0};
    cmd.type = UI_CMD_SET_LABEL_TEXT;
    cmd.obj = obj;
    strncpy(cmd.u.text, text, sizeof(cmd.u.text) - 1);
    cmd.u.text[sizeof(cmd.u.text) - 1] = '\0';

    /* 0 超时，队列满就丢弃 */
    return xQueueSend(s_ui_cmd_queue, &cmd, 0);
}

BaseType_t ui_cmd_set_image_src(lv_obj_t *obj, const void *src)
{
    if (s_ui_cmd_queue == NULL)
        return pdFAIL;
    if (obj == NULL || src == NULL)
        return pdFAIL;

    ui_cmd_t cmd = {0};
    cmd.type = UI_CMD_SET_IMAGE_SRC;
    cmd.obj = obj;
    cmd.u.img_src = src;
    return xQueueSend(s_ui_cmd_queue, &cmd, 0);
}

BaseType_t ui_cmd_weather_forecast_time_refresh(void)
{
    if (s_ui_cmd_queue == NULL)
        return pdFAIL;

    ui_cmd_t cmd = {0};
    cmd.type = UI_CMD_WEATHER_FORECAST_TIME_REFRESH;
    return xQueueSend(s_ui_cmd_queue, &cmd, 0);
}

void ui_cmd_drain(void)
{
    if (s_ui_cmd_queue == NULL)
        return;

    ui_cmd_t cmd;
    while (xQueueReceive(s_ui_cmd_queue, &cmd, 0) == pdTRUE)
    {
        if (cmd.type == UI_CMD_SET_LABEL_TEXT)
        {
            if (cmd.obj && lv_obj_is_valid(cmd.obj))
            {
                lv_label_set_text(cmd.obj, cmd.u.text);
            }
        }
        else if (cmd.type == UI_CMD_SET_IMAGE_SRC)
        {
            if (cmd.obj && lv_obj_is_valid(cmd.obj) && cmd.u.img_src)
            {
                lv_image_set_src(cmd.obj, cmd.u.img_src);
            }
        }
        else if (cmd.type == UI_CMD_WEATHER_FORECAST_TIME_REFRESH)
        {
            screen_home_weather_forecast_time_labels_refresh();
        }
    }
}

/* 天气预报时间标签刷新：更新天气页的时间标签（+2小时、+4小时） */
void screen_home_weather_forecast_time_labels_refresh(void)
{
    extern void ui_dispatch_refresh_home_weather_slot_hour_labels(void);
    ui_dispatch_refresh_home_weather_slot_hour_labels();
}