#ifndef __SDK_H
#define __SDK_H

/*
 * 0. implement all callback's of this SDK
 * 1. read wifi probe frame from driver
 * 2. feed wifi probe frame to sdk_pkt_process
 * 3. this sdk depends on no thirdparty libraries, and there is no internet connection with net.
 */


typedef     unsigned char               uint8;
typedef     unsigned short int          uint16;
typedef     unsigned int                uint32;

typedef     char                        int8;
typedef     short int                   int16;
typedef     int                         int32;

#define     SDK_SUCCESS                 (0)
#define     SDK_FAIL                    (1)
#define     SDK_NULL                    (0)
#define     OUI_LEN                     (3)
#define     OUI_TYPE                    (0)
#define     OUI_TYPE_LEN                (1)
#define     MAC_LEN                     (6)
#define		SSID_MAX_LEN				(32)
#define 	PASSWORD_MAX_LEN			(32)
#define		SDK_SHAREDKEY_LEN			(32)
#define		SDK_FRAME_MAX_LEN			(1460)
#define 	FASTCON_MASTER_ID_LEN		(4)

#define     SDK_PACKED                  __attribute__((packed))


typedef void* (*sdk_memset_t) (
    void*       ptr,
    int32       value,
    uint32      num);
typedef void* (*sdk_memcpy_t) (
    void*       dst,
    const void* src,
    uint32      num);
typedef int32 (*sdk_memcmp_t) (
    const void* ptr1,
    const void* ptr2,
    uint32 num);
typedef int32 (*sdk_printf_t) (
    const char* format,
    ...);

typedef struct sdk_device_info_t {
	uint32      vendor_id;
    uint32      product_id;
    uint8       mac[MAC_LEN];
    uint8 *     device_info;
    uint16      device_info_len;
	uint8 *		device_id;
	uint16		device_id_len;
}sdk_product_info_t;

//发现设备
typedef int32 (*sdk_found_device_t) (sdk_product_info_t *product_info);
//对应2.1 云端身份校验接口请求
typedef int32 (*sdk_challenge_post_t)(
	sdk_product_info_t *product_info,
    uint8 *     challenge,
    uint16      challenge_len);
//对应2.2 设备身份声明接口请求
typedef int32 (*sdk_signature_post_t)(
	sdk_product_info_t *product_info,
    uint8 *     signature,
    uint16      signature_len);
//sdk将设备控制token传给上层
typedef int32 (*sdk_device_token_post_t)(
	sdk_product_info_t *product_info,
    uint8 *     token,
    uint16      token_len);
//上报配置结果
//目前只支持失败结果上报。
//成功的结果是由云端推送上线通知
//result 0:成功 -1:失败
typedef int32 (*sdk_config_result_post_t) (
	sdk_product_info_t *product_info,
    int8        result);
//发送802.11原始报文接口
typedef int32 (*sdk_raw_pkt_send_t)(
    uint8 *     frame,
    uint16      frame_len);




typedef struct {
    sdk_memset_t                      memset;
    sdk_memcpy_t                      memcpy;
    sdk_memcmp_t                      memcmp;
    sdk_printf_t                      printf;

    sdk_found_device_t                found_device;
    sdk_challenge_post_t              challenge_post;
    sdk_signature_post_t              signature_post;
    sdk_device_token_post_t           device_token_post;
    sdk_config_result_post_t          config_result_post;

    sdk_raw_pkt_send_t                send_raw_pkt;

} sdk_config_t;

typedef struct {

    //gateway信息
    //包括当前路由器信道，gateway mac，bssid
    uint8           channel;    //cur channel

	//若mac地址为00-11-22-33-44-55，则device_mac[] = {0x00,0x11,0x22,0x33,0x44,0x55};
    uint8           device_mac[MAC_LEN];
	//AP的mac地址，格式等同device_mac
    uint8           bssid[MAC_LEN];

	//由dnakit后台分配，用于区分不同平台，固定4个字节
	uint8			fastcon_master_id[FASTCON_MASTER_ID_LEN];

    //0:probe req,1:probe rsp,2:action
    //报文选择，根据gateway 能力自行设置
    uint8           send_wlan_type; 
	//回调接口注册
    sdk_config_t    sdk_config;
} SDK_PACKED sdk_user_init_t;

typedef enum {
    SDK_STATE_PROBE_DEVICE,
    SDK_STATE_LOCK_CHANNEL,
    SDK_STATE_CONFIG,
    SDK_STATE_CONNECTING,
    SDK_STATE_DONE, //Finish
    SDK_STATE_FAIL,
} sdk_state_e;

/**
 * @brief	打印sdk编译时间
 * @return	0 打印成功
 * 			SDK_E_INIT_FAIL sdk未初始化
 */
extern int32 sdk_version(void);
/**
 * @brief	初始化sdk
 * @param	init
 * @return 	0 初始化成功
 * 			SDK_E_INIT_FAIL
 */
extern int32 sdk_init(sdk_user_init_t *init);
/**
 * @brief	处理接收的802.11报文
 * @param	frame	802.11标准报文格式
 * @param	frame_len
 * @return	sdk_state_e
 			SDK_E_INIT_FAIL
 */
extern int32 sdk_pkt_process(uint8 *frame, int16 frame_len);
/**
 * @brief	发送token bind成功报文
 * @return	0 成功
 * 			SDK_E_INIT_FAIL
 * 			SDK_E_STATE
 */
extern int32 sdk_device_token_bind_success(void);
/**
 * @brief	ssid和password信息发送
 * @param	sharedkey	二进制数组，云端返回的是十六进制字符串，需要进行转换
 * @param	ssid
 * @param	ssid_len
 * @param	password
 * @param	password_len
 * @return	0 成功
 * 			SDK_E_INIT_FAIL
 * 			SDK_E_STATE
 * @example 路由器ssid为"ssid"，password为"password"
 * 			代码如下：
 * @code
 * uint8 ssid[] = "ssid";
 * uint8 password[] = "password";
 * sdk_wlan_params_set(sharedkey,ssid,strlen(ssid),password,strlen(password));
 * @endcode
 */
extern int32 sdk_wlan_params_set(uint8 sharedkey[SDK_SHAREDKEY_LEN],uint8 *ssid,uint16 ssid_len,uint8 *password,uint16 password_len);
/**
 * @brief challenge和signature信息发送
 * @param challenge	二进制数组，云端返回的是十六进制字符串，需要进行转换
 * @param challenge_len
 * @param signature	二进制数组，云端返回的是十六进制字符串，需要进行转换
 * @param signature_len
 * @return	0 成功
 * 			SDK_E_INIT_FAIL
 * 			SDK_E_STATE
 */
extern int32 sdk_challenge_and_signature_set(uint8 *challenge,uint16 challenge_len, uint8 *signature, uint16 signature_len);
/**
 * @brief	用户确认开始配网
 * @return	0 成功
 * 			SDK_E_INIT_FAIL
 * 			SDK_E_STATE
 */
extern int32 sdk_user_auth_to_start_config(void);
/**
 * @brief	清除sdk状态
 * @return	0 成功
 * 			SDK_E_INIT_FAIL
 */
extern int32 sdk_deinit(void);

#endif