/*
 * state_manager.c
 *
 *  Created on: 2026-03-04
 *      Author: RT-Thread
 *
 *  功能: 状态管理模块实现
 *  依赖: RT-Thread Nano, osal
 *  跨平台适配: 基于RT-Thread Nano，使用标准API
 */

// #include <rtthread.h>
#include "osal.h"
#include "state_manager.h"

/* 系统状态 */
static system_state_t g_system_state;

/**
 * @brief 初始化状态管理
 * @return 0 成功，非0 失败
 */
int state_manager_init(void)
{
    /* 初始化系统状态 */
    g_system_state.network_state = NETWORK_STATE_DISCONNECTED;
    g_system_state.sensor_state = SENSOR_STATE_IDLE;
    g_system_state.tcp_state = TCP_STATE_CLOSED;
    g_system_state.error_code = ERROR_NONE;
    
    osal_log_i("State manager initialized");
    return 0;
}

/**
 * @brief 获取系统状态
 * @param state 系统状态指针
 * @return 0 成功，非0 失败
 */
int state_manager_get_system_state(system_state_t *state)
{
    if (state == NULL)
    {
        return -1;
    }
    
    *state = g_system_state;
    return 0;
}

/**
 * @brief 设置网络状态
 * @param state 网络状态
 * @return 0 成功，非0 失败
 */
int state_manager_set_network_state(network_state_t state)
{
    g_system_state.network_state = state;
    osal_log_i("Network state set to %d", state);
    return 0;
}

/**
 * @brief 设置传感器状态
 * @param state 传感器状态
 * @return 0 成功，非0 失败
 */
int state_manager_set_sensor_state(sensor_state_t state)
{
    g_system_state.sensor_state = state;
    osal_log_i("Sensor state set to %d", state);
    return 0;
}

/**
 * @brief 设置TCP状态
 * @param state TCP状态
 * @return 0 成功，非0 失败
 */
int state_manager_set_tcp_state(tcp_state_t state)
{
    g_system_state.tcp_state = state;
    osal_log_i("TCP state set to %d", state);
    return 0;
}

/**
 * @brief 设置错误代码
 * @param error 错误代码
 * @return 0 成功，非0 失败
 */
int state_manager_set_error_code(error_code_t error)
{
    g_system_state.error_code = error;
    osal_log_i("Error code set to %d", error);
    return 0;
}

/**
 * @brief 创建状态快照
 * @param snapshot 状态快照指针
 * @return 0 成功，非0 失败
 */
int state_manager_create_snapshot(state_snapshot_t *snapshot)
{
    if (snapshot == NULL)
    {
        return -1;
    }
    
    /* 复制当前系统状态 */
    snapshot->system_state = g_system_state;
    snapshot->timestamp = rt_tick_get();
    
    osal_log_i("State snapshot created");
    return 0;
}

/**
 * @brief 恢复状态快照
 * @param snapshot 状态快照指针
 * @return 0 成功，非0 失败
 */
int state_manager_restore_snapshot(state_snapshot_t *snapshot)
{
    if (snapshot == NULL)
    {
        return -1;
    }
    
    /* 恢复系统状态 */
    g_system_state = snapshot->system_state;
    
    osal_log_i("State snapshot restored");
    return 0;
}