#ifndef EVENT_H
#define EVENT_H

#include "freertos/FreeRTOS.h"      // 必须第一个包含
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "freertos/queue.h"

// 声明全局变量（extern 表示在其他文件中定义）
extern EventGroupHandle_t system_event_group;
extern QueueHandle_t system_event_queue;  /* 事件队列：BLE 等回调通过队列投递，main_task 阻塞接收 */
extern TaskHandle_t main_task_handle;

// 事件标志定义
#define BLE_CONNECTED_BIT                   (1 << 0)
#define WIFI_CONNECTED_BIT                  (1 << 1)
#define WIFI_DISCONNECTED_BIT               (1 << 2)
#define BLE_DISCONNECTED_BIT                (1 << 14)
#define WEBSOCKET_CONNECTED_BIT             (1 << 3)
#define WEBSOCKET_DISCONNECTED_BIT          (1 << 4)
#define WEBSOCKET_DATA_BIT                  (1 << 5)
#define IMU_DATA_READY_BIT                  (1 << 6)
#define USER_INPUT_BIT                      (1 << 7)
#define SYSTEM_ERROR_BIT                    (1 << 8)
#define OTA_UPDATE_STARTED_BIT              (1 << 9)
#define OTA_UPDATE_COMPLETED_BIT            (1 << 10)
#define DOWNLOAD_EMOJI_BIT                  (1 << 11)
#define DOWNLOAD_SUCCESS_BIT                (1 << 12)
#define DOWNLOAD_FAILED_BIT                 (1 << 13)
#define OTA_RECOVER_REQUIRED_BIT            (1 << 15)
/** OTA 任务因失败退出：先等 WiFi 重连结果再恢复 UI（由 main 处理） */
#define OTA_FAIL_RECOVER_PENDING_BIT        (1 << 16)
/** BLE 触发的 WiFi 配网：重试用尽/最终失败后，释放 WiFi 并恢复 LVGL/UI（仅此场景使用） */
#define WIFI_BLE_PROV_FAIL_RECOVER_UI_BIT   (1 << 17)
/** 表情包下载成功后的第一次切换：收尾升级；若切到下载包则强制停在该包 default.json */
#define EMOJI_UPGRADE_FINALIZE_BIT          (1 << 18)

/* main_task 监听的系统事件掩码（用于 xEventGroupWaitBits） */
#define MAIN_TASK_EVENT_MASK                (BLE_CONNECTED_BIT | WIFI_CONNECTED_BIT | WIFI_DISCONNECTED_BIT | \
                                             WEBSOCKET_CONNECTED_BIT | WEBSOCKET_DISCONNECTED_BIT | WEBSOCKET_DATA_BIT | \
                                             IMU_DATA_READY_BIT | USER_INPUT_BIT | SYSTEM_ERROR_BIT | \
                                             OTA_UPDATE_STARTED_BIT | OTA_UPDATE_COMPLETED_BIT | \
                                             DOWNLOAD_EMOJI_BIT | DOWNLOAD_SUCCESS_BIT | DOWNLOAD_FAILED_BIT | \
                                             BLE_DISCONNECTED_BIT | OTA_RECOVER_REQUIRED_BIT | OTA_FAIL_RECOVER_PENDING_BIT | \
                                             WIFI_BLE_PROV_FAIL_RECOVER_UI_BIT | EMOJI_UPGRADE_FINALIZE_BIT)

// 函数声明
void set_system_event(uint32_t bits);
void clear_system_event(uint32_t bits);
uint32_t wait_system_event(uint32_t bits, TickType_t timeout);

// 新增：初始化和清理函数
bool init_event_system(void);
void deinit_event_system(void);

/* WiFi 配网守卫：收到配网指令后开启故障重启策略 */
void notify_wifi_provision_signal_received(void);

#endif // EVENT_H