#include <my_config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <query_classifier.h>
#include <buffer.h>
#include <mysql.h>

static char* server_options[] = {
	"MariaDB Corporation MaxScale",
	"--datadir=./",
	"--language=./",
	"--skip-innodb",
	"--default-storage-engine=myisam",
	NULL
};

const int num_elements = (sizeof(server_options) / sizeof(char *)) - 1;

static char* server_groups[] = {
	"embedded",
	"server",
	"server",
	NULL
};

int main(int argc, char** argv)
{

	unsigned int psize;
	GWBUF* qbuff;
	char *tok;
	char readbuff[4092];
	FILE* infile;
	FILE* outfile;
	
	if(argc != 3){
		printf("Usage: canonizer <input file> <output file>\n");
		return 1;
	} 

	if(mysql_library_init(num_elements, server_options, server_groups)){
		printf("Embedded server init failed.\n");
		return 1;
	}
	
	infile = fopen(argv[1],"rb");
	outfile = fopen(argv[2],"wb");
	
	if(infile == NULL || outfile == NULL){
		printf("Opening files failed.\n");
		return 1;
	}

	while(!feof(infile))
		{
			fgets(readbuff,4092,infile);
			psize = strlen(readbuff);
			if(psize < 4092){
				qbuff = gwbuf_alloc(psize + 7);
				*(qbuff->sbuf->data + 0) = (unsigned char)psize;
				*(qbuff->sbuf->data + 1) = (unsigned char)(psize>>8);
				*(qbuff->sbuf->data + 2) = (unsigned char)(psize>>16);
				*(qbuff->sbuf->data + 4) = 0x03;
				memcpy(qbuff->start + 5,readbuff,psize + 1);
				parse_query(qbuff);
				tok = skygw_get_canonical(qbuff);
				fprintf(outfile,"%s\n",tok);
				free(tok);
				gwbuf_free(qbuff);
			}			
		}
	fclose(infile);
	fclose(outfile);
	mysql_library_end();
	
	return 0;
}