bool Execute(char * command, ExecStatusType type) {
	res = PQexec(conn, command);
	if (!res || PQresultStatus(res) != type) {
		fprintf(stderr, "Error executing query: %s\n", PQresultErrorMessage(res));
		PQclear(res);
		exit(1);
	}
	return true;
}

void InitSystem() {
	/* DROPPING */
	Execute("DROP TABLE customer", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE account", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE ownsacc", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE branch", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE managesacc", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE withdrawal", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("DROP TABLE transfer", PGRES_COMMAND_OK);
	PQclear(res);
	/* INITING */
	Execute("CREATE TABLE customer (LIKE course_customer INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO customer SELECT * FROM course_customer", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE account (LIKE course_account INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO account SELECT * FROM course_account", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE ownsacc (LIKE course_ownsacc INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO ownsacc SELECT * FROM course_ownsacc", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE branch (LIKE course_branch INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO branch SELECT * FROM course_branch", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE managesacc (LIKE course_managesacc INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO managesacc SELECT * FROM course_managesacc", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE withdrawal (LIKE course_withdrawal INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO withdrawal SELECT * FROM course_withdrawal", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("CREATE TABLE transfer (LIKE course_transfer INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES)", PGRES_COMMAND_OK);
	PQclear(res);
	Execute("INSERT INTO transfer SELECT * FROM course_transfer", PGRES_COMMAND_OK);
	PQclear(res);
}

void Prepare_Aux(int x, char * name, char * address) {
	char cmd[512];
	sprintf(cmd, "INSERT INTO customer VALUES (%d, '%s', '%s')",x,name,address);
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	addAccount(x + 100, x, (x % 5) + 10);
}

void PrepareForTest1() {
	InitSystem();
	char cmd[512];
	Prepare_Aux(1, "Jon Snow", "Castle Black");
	Prepare_Aux(2, "Ned Stark", "Winterfell");
	Prepare_Aux(3, "Tyrion Lannister", "Kings Landing");
	Prepare_Aux(4, "Sansa Stark", "Winterfell");
	Prepare_Aux(5, "Arya Stark", "Winterfell");
	Prepare_Aux(6, "Theon Greyjoy", "Pike");
	Prepare_Aux(7, "Jaime Lannister", "Kings Landing");
	Prepare_Aux(8, "Cersei Lannister", "Kings Landing");
	Prepare_Aux(9, "Daenerys Targaryen_The_Unburnt_Queen_of_the_Andals_the_Rhoynar_and_of_the_First_Men_Queen_of_Meereen_Khaleesi_of_the_Great_Grass_Sea_Breaker_of_Chains_Mother_of_Dragons", "Meereen");
	Prepare_Aux(10, "Viserys Targaryen", "Heaven or Hell");
	Prepare_Aux(11, "Joffrey Baratheon", "Hell for sure");
	Prepare_Aux(12, "Robert Baratheon", "Heaven probably");
	Prepare_Aux(13, "Robb Stark", "Winterfell");
	Prepare_Aux(14, "Ramsay Bolton", "We dont know");
	Prepare_Aux(15, "Jorah Mormont", "Meereen");
	sprintf(cmd, "UPDATE account SET Balance = 100, Overdraft = -1000 WHERE anumber = 100");
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	sprintf(cmd, "UPDATE account SET Balance = 10000,Overdraft = -100000 WHERE ANumber = 102");
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	sprintf(cmd, "UPDATE account SET Balance = 21000,Overdraft = -123456 WHERE ANumber = 103");
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	sprintf(cmd, "UPDATE account SET Balance = 31000,Overdraft = -22356 WHERE ANumber = 107");
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	sprintf(cmd, "UPDATE account SET Balance = 39900,Overdraft = -22456 WHERE ANumber = 108");
	Execute(cmd, PGRES_COMMAND_OK);
	PQclear(res);
	printf("INIT DONE!\n");
}