#include <iostream>
#include <vector>
#include "DBEngine.h"

using namespace std;

//still in progress
int main() {
	DBEngine engine;
	Attribute att1("Breakfast", "VARCHAR(20)", true);
	Attribute att2("Lunch", "VARCHAR(20)", false);
	Attribute att3("Dinner", "VARCHAR(20)", false);
	
	att1.addCell("Pancakes");
	att1.addCell("Waffles");
	att1.addCell("Biscuits");
	att2.addCell("Turkey Sandwich");
	att2.addCell("Caesar Salad");
	att2.addCell("Pizza");
	att3.addCell("Steak");
	att3.addCell("Shrimp");
	att3.addCell("Ribs");
	
	vector<Attribute> v;
	v.push_back(att1);
	v.push_back(att2);
	v.push_back(att3);
	
	Relation r("Food", v);
	
	vector<string> tuple;
	tuple.push_back("Omelette");
	tuple.push_back("Fried Rice");
	tuple.push_back("Grouper");
	
	r.insertTuple(tuple);
	r.display();
	
	vector<string> o;
	vector<string> n;
	
	o.push_back("Breakfast");
	o.push_back("Lunch");
	o.push_back("Dinner");
	
	n.push_back("Tsafkaerb");
	n.push_back("Hcnul");
	n.push_back("Rennid");
	
	//Projection test
	vector<string> projectTest;
	projectTest.push_back("Breakfast");
	projectTest.push_back("Dinner");
	
	cout << "\n***Initiated Projection***\n" << endl;
	
	Relation sub_r = engine.projection(projectTest, r);
	sub_r.display();
	
	//engine.rename(r, o, n);
}