/*Example code using Htu21d */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
//additional libraries:
#include <fcntl.h>

#include "HTU21D_H.h"
#include "BH1750_H.h"
#include <errno.h>

#define I2C_PATH "/dev/i2c-%d"
#define I2C_PORT_2 2
#define I2C_PORT_1 1

#define HTU21D_json_path "/home/debian/CODIGOS/8-react-ui-sensors/ui/HTU21D.json"
#define BH1750_json_path "/home/debian/CODIGOS/8-react-ui-sensors/ui/BH1750.json"
int sensor;

int main() {
	//printf("Select wich sensor would you like to get data: 1 -> HTU21D 2 -> BH1750 \n");
	//scanf("%d", &sensor);
	//sensor = 2;
	while (1) {
		//if (sensor == 1){
		char filePath[99];
		snprintf(filePath, sizeof(filePath), I2C_PATH, I2C_PORT_2);
    	   	int fd = open(filePath, O_RDWR);
		//to do.... complete the structure for the cases when we cant open the file
		if(fd < 0){
			fprintf(stderr, "Error: Unable to access HTU21D sensor: %s \n ", strerror(errno));
			exit(-1);
		}

		double Temperature = 10;
		double Humidity    =  0;
		if((get_temp(fd, &Temperature)<0) || (get_hum(fd, &Humidity)<0)){
				fprintf(stderr, "Error -404: Cant do the messaurment \n ");
				exit(-1);
		}
    	    //printf("Temperature : %5.2f  �C\n", Temperature);
		//printf("Humidity    : %5.2f  % \n", Humidity);
		FILE *archivo = fopen(HTU21D_json_path, "w");
		if (archivo == NULL){
			perror("The file can not open ");
			return -1;
		} else{
			fprintf(archivo, "{\"Temperature\" : %5.2f , \"Humidity\" : %5.2f}", Temperature, Humidity);
		}
		fclose(archivo);
		printf ("{\"Temperature\" : %5.2f , \"Humidity\" : %5.2f}", Temperature, Humidity);

		//} else if (sensor == 2){
		//char filePath[99];
		//snprintf(filePath, sizeof(filePath), I2C_PATH, I2C_PORT_1);
    	//int 
			fd = open(filePath, O_RDWR);
		//to do.... complete the structure for the cases when we cant open the file
		if(fd < 0){
			fprintf(stderr, "Error: Unable to access HTU21D sensor: %s \n ", strerror(errno));
			exit(-1);
		}

		double Bright = 0;
		if((get_lux(fd, &Bright) < 0)){
				fprintf(stderr, "Error -404: Cant do the messaurment \n ");
				exit(-1);
		}
    	    //printf("Temperature : %5.2f  �C\n", Temperature);
		//printf("Humidity    : %5.2f  % \n", Humidity);
		FILE *archivo_1 = fopen(BH1750_json_path, "w");
		if (archivo_1 == NULL){
			perror("The file can not open ");
			return -1;
		} else{
			fprintf(archivo_1, "{\"Brightness\" : %5.2f }", Bright);
		}
		fclose(archivo_1);
		printf ("{\"Brightness\" : %5.2f }\n", Bright);
		//}
		usleep(2000000);
	}	
	return 0;	
}