#include <cjson/cJSON.h>
#include <sys/stat.h>
#include <stdio.h>
#include <sqlite3.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>

typedef struct{
	cJSON * id_uint;
	cJSON * name_ch;
	cJSON * mode_int;
	cJSON * var_type_int;
	cJSON * coef_int;
	cJSON * len_int;
	cJSON * val_ch;
	cJSON * min_int;
	cJSON * max_int;
	cJSON * pro_int;
}sql_json_t;

sql_json_t sql[1024];
int cnt;
void parse_json(void)
{
	cJSON *root,*config,*tmp;
	int i,config_size = 0;
	struct stat file_size;
	stat("sys_cfg.json",&file_size);
	printf("file size : %ld\n",file_size.st_size);
	char *buffer = (char *)calloc(file_size.st_size,sizeof(char));
	FILE * fp = fopen("sys_cfg.json","r"); 
	fread(buffer,file_size.st_size,1,fp);
	root = cJSON_Parse(buffer);
	config = cJSON_GetObjectItem(root,"config");	
	if (config != NULL){
		config_size = cJSON_GetArraySize(config);

		cnt = config_size;
		for( i = 0 ; i < config_size ; i++){
			 tmp = cJSON_GetArrayItem(config,i);
			 sql[i].coef_int = cJSON_GetObjectItem(tmp,"coefficient");
			 sql[i].id_uint = cJSON_GetObjectItem(tmp,"ID");
			 sql[i].len_int = cJSON_GetObjectItem(tmp,"len");
			 sql[i].max_int = cJSON_GetObjectItem(tmp,"max");
			 sql[i].min_int = cJSON_GetObjectItem(tmp,"min");
			 sql[i].mode_int = cJSON_GetObjectItem(tmp,"mode");
			 sql[i].name_ch = cJSON_GetObjectItem(tmp,"name");
			 sql[i].pro_int = cJSON_GetObjectItem(tmp,"pro");
			 sql[i].val_ch = cJSON_GetObjectItem(tmp,"V0");
			 sql[i].var_type_int = cJSON_GetObjectItem(tmp,"var_type");
			 //printf("ID: %#lx\n",strtol(sql[i].id_uint->valuestring,NULL,16));
		}
	}

	free(buffer);
	buffer = NULL;
	//cJSON_Delete(root);
}

int main(void)
{	
	parse_json();

	int i;
	for( i = 0 ; i < cnt ; i++){
		printf("ID: %#lx\n",strtol(sql[i].id_uint->valuestring,NULL,16));
	}
	return 0;
}