#include "gprs_protocol_api.h"
#include "string.h"
#include "rtc.h"
#include "sundry.h"
#include "stdlib.h"
#include "billing.h"
#include "system_parameter.h"

GPRS_SUCC_TEST_T gprs_test_g = {0};//230531

static ErrorStatus set_result_g = ERROR;

GPRS_PROTOCOL_HEAD_TAIL_T gprs_protocol_head_tail_g = {
    {PROTOCOL_START_CODE, 0, 0, 0, 0, 0, 0, 0, 0, PROTOCOL_START_CODE, PROTOCOL_CMD_UP_U8_H | PROTOCOL_CMD_INITIATIVE_SEND_U8_L, 0},
    {0, 0, 0, 0, 0, 0, PROTOCOL_VERSION, PROTOCOL_NORMAL_SEND_CMD_U16, 0, 0, KEY_VERSION},
    {0, PROTOCOL_END_CODE},
    {0}};

GPRS_PROTOCOL_ALARM_HEAD_T gprs_protocol_alarm_head_tail_g = {
    {PROTOCOL_START_CODE, 0, 0, 0, 0, 0, 0, 0, 0, PROTOCOL_START_CODE, PROTOCOL_CMD_UP_U8_H | PROTOCOL_CMD_INITIATIVE_SEND_U8_L, 0},
    {0, 0, 0, 0, 0, 0, PROTOCOL_VERSION, PROTOCOL_NORMAL_SEND_CMD_U16, 0, 0, KEY_VERSION},
    {0, PROTOCOL_END_CODE}};


GPRS_PROTOCOL_NORMAL_DATA_PACK_T gprs_protocol_normal_data_pack_g;
GPRS_PROTOCOL_PARA_T gprs_protocol_para_g;
GPRS_PROTOCOL_ALARM_ID_PACK_T gprs_protocol_alarm_id_pack_g;

static const GPRS_PROTOCOL_SEND_FUNC_TABLE_DRV_T gprs_protocol_send_tab_func[] = {
    {PROTOCOL_NORMAL_SEND_CMD, Gprs_Protocol_SendNormalDataHandler},
    {PROTOCOL_SET_TIME_CMD_BACK, Gprs_Protocol_SendSetTimeResultHandler}};

static const GPRS_PROTOCOL_RECV_FUNC_TABLE_DRV_T gprs_protocol_recv_tab_func[] = {
    {PROTOCOL_NORMAL_SEND_CMD_U16, Gprs_Protocol_RecvNormalDataHandler},
    {PROTOCOL_END_CMD_U16, Gprs_Protocol_RecvEndHandler},
    {PROTOCOL_SET_TIME_CMD_U16, Gprs_Protocol_RecvSetTimeHandler}};

uint16_t Gprs_Protocol_DataLength(uint8_t send_type, GPRS_PROTOCOL_ENCRYPT_PARA *gprs_protocol_encrypt_para_p)
{
  switch (send_type)
  {
  case PROTOCOL_NORMAL_SEND_CMD:
    gprs_protocol_encrypt_para_p->plaintext_length = PROTOCOL_NORMAL_DATA_HEAD_LENGTH + PROTOCOL_NORMAL_DATA_PACK_LENGTH;
    break;
  case PROTOCOL_SET_TIME_CMD_BACK:
    gprs_protocol_encrypt_para_p->plaintext_length = PROTOCOL_SET_CMD_DATA_BACK_LENGTH;
    break;
	case PROTOCOL_ALARM_SEND_CMD:
		gprs_protocol_encrypt_para_p->plaintext_length = sizeof(GPRS_PROTOCOL_ALARM_ID_PACK_T);
		break;
  default:
    break;
  }
  gprs_protocol_encrypt_para_p->padding_total_length = PKCS5Padding_like(&gprs_protocol_encrypt_para_p->padding_length, gprs_protocol_encrypt_para_p->plaintext_length);
  return PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH + PROTOCOL_TAIL_LENGTH + gprs_protocol_encrypt_para_p->padding_total_length;
}



/************************************** Send Data **************************************************************/
/************************************** Send Data **************************************************************/
/************************************** Send Data **************************************************************/

void Gprs_Protocol_SendSetTimeResultHandler(uint8_t *pData, GPRS_PROTOCOL_HEAD_TAIL_T *gprs_protocol_head_tail_p)
{
  /*¹¹ÔìÖ¡Í·¿ØÖÆÂë*/
  gprs_protocol_head_tail_p->gprs_protocol_head.cmd_code_u8 = (PROTOCOL_CMD_UP_U8_H | PROTOCOL_CMD_WRITE_U8_L);
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.cmd_code_u16 = PROTOCOL_SET_TIME_CMD_U16;
  /*¹¹ÔìÊý¾ÝÓò³¤¶È*/
  gprs_protocol_head_tail_p->gprs_protocol_head.data_field_length = PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length;
  /*¹¹ÔìÊý¾Ý°üÊý¾Ý*/
  pData[0] = set_result_g;
}

void Create_Send_NormalDataPack(GPRS_PROTOCOL_NORMAL_DATA_PACK_T *gprs_protocol_normal_data_pack_p)
{
	volatile int32_t temp_data = 0;
  gprs_protocol_normal_data_pack_p->sample_time[0] = calendar_g.year & 0xFF;
  gprs_protocol_normal_data_pack_p->sample_time[1] = calendar_g.month;
  gprs_protocol_normal_data_pack_p->sample_time[2] = calendar_g.day;
  gprs_protocol_normal_data_pack_p->sample_time[3] = calendar_g.hour;
  gprs_protocol_normal_data_pack_p->sample_time[4] = calendar_g.minute;
  gprs_protocol_normal_data_pack_p->sample_time[5] = calendar_g.second;
	gprs_test_g.gprs_send_succ_cnt++;
	
	temp_data = billing_real_para_g.balance_now;
	gprs_protocol_normal_data_pack_p->balance_dec = /*(billing_real_para_g.balance_now - temp_data) * 10000*/0;
	gprs_protocol_normal_data_pack_p->balance_int = /*temp_data*/gprs_test_g.gprs_start_cnt;
	
	temp_data = sys_realtime_data_g.measure_para_s.forward_cumulate_sc;
	gprs_protocol_normal_data_pack_p->gas_use_total_dec = /*(sys_realtime_data_g.measure_para_s.forward_cumulate_sc - temp_data) * 10000*/0;
  gprs_protocol_normal_data_pack_p->gas_use_total_int = /*temp_data*/gprs_test_g.gprs_send_succ_cnt;
	
	gprs_protocol_normal_data_pack_p->fee_use_total_dec = 0;
	gprs_protocol_normal_data_pack_p->fee_use_total_int = /*0*/gprs_test_g.gprs_time_cnt;
	
	gprs_protocol_normal_data_pack_p->sc_cumulate_dec = /*gprs_protocol_normal_data_pack_p->gas_use_total_dec*/0;
	gprs_protocol_normal_data_pack_p->sc_cumulate_int = /*gprs_protocol_normal_data_pack_p->gas_use_total_int*/gprs_test_g.gprs_recv_cnt;
	
	temp_data = sys_realtime_data_g.measure_para_s.forward_cumulate_wc;
	gprs_protocol_normal_data_pack_p->wc_cumulate_dec = /*(sys_realtime_data_g.measure_para_s.forward_cumulate_wc - temp_data) * 10000*/0;
	gprs_protocol_normal_data_pack_p->wc_cumulate_int = /*temp_data*/gprs_test_g.gprs_iccid_cnt;

	temp_data = sys_realtime_data_g.measure_para_s.instant_sc;
	gprs_protocol_normal_data_pack_p->sc_instant_dec = /*(sys_realtime_data_g.measure_para_s.instant_sc - temp_data) * 10000*/0;
	gprs_protocol_normal_data_pack_p->sc_instant_int = /*temp_data*/gprs_test_g.gprs_imei_cnt;
	
	temp_data = sys_realtime_data_g.measure_para_s.instant_wc;
	gprs_protocol_normal_data_pack_p->wc_instant_dec = /*(sys_realtime_data_g.measure_para_s.instant_wc - temp_data) * 10000*/0;
	gprs_protocol_normal_data_pack_p->wc_instant_int = /*temp_data*/gprs_test_g.gprs_csq_cnt;
	
	gprs_protocol_normal_data_pack_p->temperature = /*sys_realtime_data_g.measure_para_s.temperature*/gprs_test_g.gprs_call_cnt;
	gprs_protocol_normal_data_pack_p->pressure = /*sys_realtime_data_g.measure_para_s.pressure*/gprs_test_g.gprs_tcp_cnt;
	
	gprs_protocol_normal_data_pack_p->lith_vcc_dec = /*sys_realtime_data_g.state_para_s.lith_vcc % 10 * 10*/0;
	gprs_protocol_normal_data_pack_p->lith_vcc_int = /*sys_realtime_data_g.state_para_s.lith_vcc / 10*/gprs_test_g.gprs_len_cnt;
	
	gprs_protocol_normal_data_pack_p->alka_vcc_dec = sys_realtime_data_g.state_para_s.alka_vcc % 10 * 10;
	gprs_protocol_normal_data_pack_p->alka_vcc_int = sys_realtime_data_g.state_para_s.alka_vcc / 10;

}

void Gprs_Protocol_SendNormalDataHandler(uint8_t *pData, GPRS_PROTOCOL_HEAD_TAIL_T *gprs_protocol_head_tail_p)
{
  /*¹¹ÔìÖ¡Í·¿ØÖÆÂë*/
  gprs_protocol_head_tail_p->gprs_protocol_head.cmd_code_u8 = (PROTOCOL_CMD_UP_U8_H | PROTOCOL_CMD_INITIATIVE_SEND_U8_L);
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.cmd_code_u16 = PROTOCOL_NORMAL_SEND_CMD_U16;
  /*¹¹ÔìÊý¾ÝÓò³¤¶È*/
  gprs_protocol_head_tail_p->gprs_protocol_head.data_field_length = PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length;

  /*¹¹ÔìÊý¾Ý°üÍ·*/
//gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.sys_send_type = 2;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.pwr_type = 1;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.data_get_type = 2;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.billing_type = 1;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.use_state = 0;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.net_info = 0;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.valve_state = 1;
  gprs_protocol_head_tail_p->gprs_protocol_normal_data_head.one_frame_num = 1;
  /*¹¹ÔìÊý¾Ý°üÊý¾Ý*/
  Create_Send_NormalDataPack(&gprs_protocol_normal_data_pack_g);
  /*¿½±´Êý¾Ý°üÍ·¹Ì¶¨Êý¾Ý*/
  memcpy(pData, &gprs_protocol_head_tail_p->gprs_protocol_normal_data_head, PROTOCOL_NORMAL_DATA_HEAD_LENGTH);
  /*¿½±´Êý¾Ý¶¯Ì¬ÄÚÈÝÊý¾Ý*/
  memcpy(&pData[PROTOCOL_NORMAL_DATA_HEAD_LENGTH], &gprs_protocol_normal_data_pack_g, PROTOCOL_NORMAL_DATA_PACK_LENGTH);
}

void Gprs_Protocol_SendAlarmPack(uint8_t *pSendData, GPRS_PROTOCOL_ALARM_HEAD_T *gprs_protocol_alarm_head_p)
{
	uint8_t i = 0;
	uint16_t checksum_length = 0;
	/*¹¹ÔìЭÒé°üÍ·*/
	gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[0] = 0x04; //É豸±àºÅ
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[1] = 0x00;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[2] = 0x00;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[3] = 0x00;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[4] = 0x00;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[5] = 0x15;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[6] = 0x08;
  gprs_protocol_alarm_head_p->gprs_protocol_head.device_num[7] = 0x23;
	
	gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[0] = calendar_g.year & 0xFF; //ʱ¼ä
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[1] = calendar_g.month;
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[2] = calendar_g.day;
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[3] = calendar_g.hour;
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[4] = calendar_g.minute;
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.device_time[5] = calendar_g.second;
	
	gprs_protocol_alarm_head_p->gprs_protocol_head.cmd_code_u8 = (PROTOCOL_CMD_UP_U8_H | PROTOCOL_CMD_INITIATIVE_SEND_U8_L);	//¿ØÖÆÂë
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.cmd_code_u16 = PROTOCOL_ALARM_CMD_U16;	//ÃüÁî±êʶ
	gprs_protocol_alarm_head_p->gprs_protocol_head.data_field_length = PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length;	//Êý¾Ý³¤¶È
	
	gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.frame_num = 1;
  gprs_protocol_alarm_head_p->gprs_protocol_data_field_head.frame_sum = 1;
	
	gprs_protocol_alarm_id_pack_g.alarm_num = 1;
	
	  /*¿½±´Í·²¿¹Ì¶¨Êý¾ÝÖÁ·¢ËÍÊý×é*/
  memcpy(pSendData, &gprs_protocol_alarm_head_p->gprs_protocol_head, PROTOCOL_HEAD_LENGTH); //¿½±´Êý¾ÝÖ¡Í·²¿Êý¾Ý
	memcpy(&pSendData[PROTOCOL_HEAD_LENGTH], &gprs_protocol_alarm_head_p->gprs_protocol_data_field_head, PROTOCOL_DATA_FIELD_HEAD_LENGTH);//¿½±´Êý¾ÝÓò
	memcpy(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH], &gprs_protocol_alarm_id_pack_g, sizeof(GPRS_PROTOCOL_ALARM_ID_PACK_T));
	Gprs_Send_Data_Aes128_Ecb_Encrypt_Padding(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH], &gprs_protocol_encrypt_para_g);//¼ÓÃÜÊý¾Ý
	
  /*ºÍУÑé*/
  checksum_length = PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length;
  gprs_protocol_alarm_head_p->gprs_protocol_tail.checksum = 0;
  for (i = 0; i < checksum_length; i++)
    gprs_protocol_alarm_head_p->gprs_protocol_tail.checksum += pSendData[i];
  /*¿½±´Î²²¿¹Ì¶¨Êý¾ÝÖÁ·¢ËÍÊý×é*/
  memcpy(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length], &gprs_protocol_alarm_head_p->gprs_protocol_tail, PROTOCOL_TAIL_LENGTH);
}

/*GPRSЭÒé·¢ËÍÊý¾ÝÅäÖÃ*/
void Gprs_Protocol_SendDataConfig(uint8_t send_type, uint8_t *pSendData, GPRS_PROTOCOL_HEAD_TAIL_T *gprs_protocol_head_tail_p)
{
  uint8_t i = 0;
  uint16_t checksum_length = 0;
  /*¹¹ÔìЭÒé°üÍ·*/
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[0] = 0x04; //É豸±àºÅ
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[1] = 0x00;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[2] = 0x00;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[3] = 0x00;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[4] = 0x00;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[5] = 0x15;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[6] = 0x08;
  gprs_protocol_head_tail_p->gprs_protocol_head.device_num[7] = 0x23;

  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[0] = calendar_g.year & 0xFF; //ʱ¼ä
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[1] = calendar_g.month;
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[2] = calendar_g.day;
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[3] = calendar_g.hour;
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[4] = calendar_g.minute;
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.device_time[5] = calendar_g.second;

  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.frame_num = 1;
  gprs_protocol_head_tail_p->gprs_protocol_data_field_head.frame_sum = 1;

  /*Ñ¡Ôñ·¢ËÍÊý¾ÝÖ¡ÀàÐÍ*/
  for (i = 0; i < GPRS_PROTOCOL_SEND_FUNC_TABLE_NUM; i++)
  {
    /*²é±í*/
    if (gprs_protocol_send_tab_func[i].gprs_protocol_cmd_table == send_type && gprs_protocol_send_tab_func[i].GprsProtocolSendFuncHandler != NULL)
    {
      gprs_protocol_send_tab_func[i].GprsProtocolSendFuncHandler(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH], gprs_protocol_head_tail_p);
      Gprs_Send_Data_Aes128_Ecb_Encrypt_Padding(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH], &gprs_protocol_encrypt_para_g); //Ìî³äºÍ¼ÓÃÜ
      break;
    }
  }
  /*¿½±´Í·²¿¹Ì¶¨Êý¾ÝÖÁ·¢ËÍÊý×é*/
  memcpy(pSendData, &gprs_protocol_head_tail_p->gprs_protocol_head, PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH); //¿½±´Êý¾ÝÖ¡Í·²¿Êý¾Ý
  /*ºÍУÑé*/
  checksum_length = PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length;
  gprs_protocol_head_tail_p->gprs_protocol_tail.checksum = 0;
  for (i = 0; i < checksum_length; i++)
    gprs_protocol_head_tail_p->gprs_protocol_tail.checksum += pSendData[i];
  /*¿½±´Î²²¿¹Ì¶¨Êý¾ÝÖÁ·¢ËÍÊý×é*/
  memcpy(&pSendData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH + gprs_protocol_encrypt_para_g.padding_total_length], &gprs_protocol_head_tail_p->gprs_protocol_tail, PROTOCOL_TAIL_LENGTH);
}


/************************************** Recv Data **************************************************************/
/************************************** Recv Data **************************************************************/
/************************************** Recv Data **************************************************************/

GPRS_PROTOCOL_STATUS Gprs_Protocol_RecvNormalDataHandler(uint8_t *pData)
{
  if (gprs_protocol_head_tail_g.gprs_protocol_data_field_head.frame_num < gprs_protocol_head_tail_g.gprs_protocol_data_field_head.frame_sum)
    gprs_protocol_head_tail_g.gprs_protocol_data_field_head.frame_num++;
  return PROTOCOL_NORMAL_SEND_CMD;
}

GPRS_PROTOCOL_STATUS Gprs_Protocol_RecvEndHandler(uint8_t *pData)
{
  gprs_protocol_head_tail_g.gprs_protocol_data_field_head.frame_num = 1;
  gprs_protocol_head_tail_g.gprs_protocol_data_field_head.frame_sum = 1;
	gprs_test_g.gprs_recv_cnt++;
  return PROTOCOL_END_STATUS;
}

GPRS_PROTOCOL_STATUS Gprs_Protocol_RecvSetTimeHandler(uint8_t *pData)
{

//  if (Set_Sys_Rtc_Time(pData[0], pData[1], pData[2], 1, pData[3], pData[4], pData[5]) == HAL_OK)
    set_result_g = SUCCESS;
//  else
//    set_result_g = ERROR;
  return PROTOCOL_SET_TIME_CMD_BACK;
}

/*GPRSЭÒé½ÓÊÕÊý¾Ý´¦Àí*/
GPRS_PROTOCOL_STATUS Gprs_Protocol_RecvDataConfig(uint8_t *pRecvData, uint16_t recv_data_length)
{
  GPRS_PROTOCOL_STATUS gprs_protocol_cmd_flag = PROTOCOL_UNKOWN_STATUS;
  uint8_t recv_cmd_code_u8 = pRecvData[10];                        //ЭÒé¿ØÖÆÂë
  uint16_t recv_cmd_code_u16 = pRecvData[21] << 8 | pRecvData[20]; //ЭÒéÃüÁî±êʶ
  uint8_t recv_checksum_calculate = 0, recv_checksum = pRecvData[recv_data_length - 1 - 1];
  for (uint8_t i = 0; i < recv_data_length - 2; i++)
    recv_checksum_calculate += pRecvData[i];
  if (recv_checksum_calculate == recv_checksum)
  {
    /*Ñ¡Ôñ½ÓÊÕÊý¾ÝÖ¡ÀàÐÍ*/
    for (uint8_t i = 0; i < GPRS_PROTOCOL_RECV_FUNC_TABLE_NUM; i++)
    {
      /*²é±í*/
      if (gprs_protocol_recv_tab_func[i].gprs_protocol_cmd_table_u16 == recv_cmd_code_u16 && gprs_protocol_recv_tab_func[i].GprsProtocolRecvFuncHandler != NULL)
      {
        /*Êý¾Ý½âÃÜ*/
        Gprs_Recv_Data_Aes128_Ecb_Decrypt(&pRecvData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH], recv_data_length);
        gprs_protocol_cmd_flag = gprs_protocol_recv_tab_func[i].GprsProtocolRecvFuncHandler(&pRecvData[PROTOCOL_HEAD_LENGTH + PROTOCOL_DATA_FIELD_HEAD_LENGTH]);
        break;
      }
    }
  }
  return gprs_protocol_cmd_flag;
}