#include <string.h>
#include <stdio.h>
#include "esp8266.h"
#include "main.h"
#include "onenet.h"
#include "mqttkit.h"
#include "stm32f1xx_hal_gpio.h"

#define PRODUCT_ID "zzS53oqy5l"
#define DEVICE_ID "ESP_67EAF3"
#define SIGNATURE "version=2018-10-31&res=products%2FzzS53oqy5l%2Fdevices%2FESP_67EAF3&et=1766658508&method=md5&sign=r2rPhQdTZ3vpkxJTbgN5NQ%3D%3D"


extern unsigned char esp8266_buf[128];


//==========================================================
//	函数名称：	OneNet_DevLink
//
//	函数功能：	与onenet创建连接
//
//	入口参数：	无
//
//	返回参数：	1-成功	0-失败
//
//	说明：		与onenet平台建立连接
//==========================================================
_Bool OneNet_DevLink(void)
{
    MQTT_PACKET_STRUCTURE mqttPacket = {NULL, 0, 0, 0}; //协议包

    unsigned char* dataPtr;

    _Bool status = 1;

    // printf("OneNet_DevLink\r\nPROID: %s\tAUIF: %s\tDEVID:%s\r\n", PRODUCT_ID, SIGNATURE, DEVICE_ID);

    if (MQTT_PacketConnect(PRODUCT_ID, SIGNATURE, DEVICE_ID, 256, 1, MQTT_QOS_LEVEL0, NULL, NULL, 0, &mqttPacket) == 0)
    {
        ESP8266_SendData(mqttPacket._data, mqttPacket._len); //上传平台

        dataPtr = ESP8266_GetIPD(250); //等待平台响应
        if (dataPtr != NULL)
        {
            if (MQTT_UnPacketRecv(dataPtr) == MQTT_PKT_CONNACK)
            {
                switch (MQTT_UnPacketConnectAck(dataPtr))
                {
                case 0:
                    status = 0;
                    break;

                // case 1: printf("WARN:	连接失败：协议错误\r\n");
                //     break;
                // case 2: printf("WARN:	连接失败：非法的clientid\r\n");
                //     break;
                // case 3: printf("WARN:	连接失败：服务器失败\r\n");
                //     break;
                // case 4: printf("WARN:	连接失败：用户名或密码错误\r\n");
                //     break;
                // case 5: printf("WARN:	连接失败：非法链接(比如token非法)\r\n");
                //     break;
                default:
                    break;
                }
            }
        }

        MQTT_DeleteBuffer(&mqttPacket); //删包
    }
    // else
    //     printf("WARN:	MQTT_PacketConnect Failed\r\n");

    return status;
}


unsigned char OneNet_FillBuf(char* buf)
{
    char text[48];

	strcpy(buf, "{\"id\":\"1743082944\",\"params\":{");

	memset(text, 0, sizeof(text));
	sprintf(text, "\"volt\":{\"value\":%.2f},", IM_Volt * 0.0001);
	strcat(buf, text);

	memset(text, 0, sizeof(text));
	sprintf(text, "\"current\":{\"value\":%.2f},", IM_Curr * 0.0001);
	strcat(buf, text);

	memset(text, 0, sizeof(text));
	sprintf(text, "\"watt_P\":{\"value\":%.2f},", IM_Power * 0.0001);
	strcat(buf, text);

	memset(text, 0, sizeof(text));
	sprintf(text, "\"energy\":{\"value\":%.3f},", IM_Energy * 0.0001);
	strcat(buf, text);

	memset(text, 0, sizeof(text));
	sprintf(text, "\"output\":{\"value\":%s}", HAL_GPIO_ReadPin(RELAY1_GPIO_Port, RELAY1_Pin) == GPIO_PIN_RESET ? "true" : "false");
	strcat(buf, text);

    strcat(buf, "}}");
    return strlen(buf);
}

//==========================================================
//	函数名称：	OneNet_SendData
//
//	函数功能：	上传数据到平台
//
//	入口参数：	type：发送数据的格式
//
//	返回参数：	无
//
//	说明：
//==========================================================

void OneNet_SendData(void)
{
    MQTT_PACKET_STRUCTURE mqttPacket = {NULL, 0, 0, 0}; //协议包

    char buf[256];

    short body_len = 0, i = 0;
    memset(buf, 0, sizeof(buf)); //清空数组内容

    body_len = OneNet_FillBuf(buf); //获取当前需要发送的数据流的总长度

    if (body_len)
    {
        if (MQTT_PacketSaveData(DEVICE_ID, body_len, NULL, 5, &mqttPacket) == 0) //封包
        {
            for (; i < body_len; i++)
            {
                mqttPacket._data[mqttPacket._len++] = buf[i];
            }
            ESP8266_SendData(mqttPacket._data, mqttPacket._len); //上传数据到平台
            MQTT_DeleteBuffer(&mqttPacket); //删包
        }
        else;
        //			printf(  "WARN:EDP_NewBuffer Failed\r\n");
    }
}

void OneNET_Subscribe(void)
{
	
	MQTT_PACKET_STRUCTURE mqtt_packet = {NULL, 0, 0, 0};						//协议包
	
	char topic_buf[56];
	const char *topic = topic_buf;
	
	snprintf(topic_buf, sizeof(topic_buf), "$sys/%s/%s/thing/property/set", PRODUCT_ID, DEVICE_ID);
	
    // printf("Subscribe Topic: %s\r\n", topic_buf);
	
	if(MQTT_PacketSubscribe(MQTT_SUBSCRIBE_ID, MQTT_QOS_LEVEL0, &topic, 1, &mqtt_packet) == 0)
	{
		ESP8266_SendData(mqtt_packet._data, mqtt_packet._len);					//向平台发送订阅请求
		
		MQTT_DeleteBuffer(&mqtt_packet);										//删包
	}

}


//==========================================================
//	函数名称：	OneNet_RevPro
//
//	函数功能：	平台返回数据检测
//
//	入口参数：	dataPtr：平台返回的数据
//
//	返回参数：	无
//
//	说明：
//==========================================================
void OneNet_RevPro(unsigned char *cmd)
{
	
	char *req_payload = NULL;
	char *cmdid_topic = NULL;
	
	unsigned short topic_len = 0;
	unsigned short req_len = 0;
	
	unsigned char qos = 0;
	static unsigned short pkt_id = 0;
	
	unsigned char type = 0;
	
	short result = 0;

	char *dataPtr = NULL;
	char numBuf[10];
	int num = 0;
	type = MQTT_UnPacketRecv(cmd);
	switch(type)
	{
		case MQTT_PKT_PUBLISH:																//接收的Publish消息
		
			result = MQTT_UnPacketPublish(cmd, &cmdid_topic, &topic_len, &req_payload, &req_len, &qos, &pkt_id);
			// if(result == 0)
			// {
			// 	printf("%s\r\n", req_payload);
			// }
		break;
			
		case MQTT_PKT_PUBACK:														//发送Publish消息，平台回复的Ack
		
			if(MQTT_UnPacketPublishAck(cmd) == 0)
//				UsartPrintf(USART_DEBUG, "Tips:	MQTT Publish Send OK\r\n");
			
		break;
		
		case MQTT_PKT_SUBACK:																//发送Subscribe消息的Ack
		
			if(MQTT_UnPacketSubscribe(cmd) == 0)
				;
//				UsartPrintf(USART_DEBUG, "Tips:	MQTT Subscribe OK\r\n");
		
		break;
		
		default:
			result = -1;
		break;
	}
	
	ESP8266_Clear();									//清空缓存
	
	if(result == -1)
		return;

	if(type == MQTT_PKT_CMD || type == MQTT_PKT_PUBLISH)
	{
		MQTT_FreeBuffer(cmdid_topic);
		MQTT_FreeBuffer(req_payload);
	}

}

uint8_t onenet_state(){
	return OneNet_DevLink();
}