// Classes.cpp - understanding basics of classes and OOP in c++



#include <iostream> 
#include <string>
#include <vector>
//#include "Account.h"
using namespace std;


class Transaction
{
private:
	int amount;
	string type;

public:
	Transaction(int amt, std::string t);
	string Report();
};

class Account //Declaring the class
{
private:
	int balance;
	vector<Transaction> log; //We are not using namespace std here as the compiler is going to paste the code into the main cpp file. 
	// As a rule of thumb: do not include the namespaces into a header files
public:
	Account(); //This is a constructor
	vector<string> Report(); //Functions that is going to return a vector of strings
	bool Deposit(int amt); //Deposit function
	bool Withdraw(int amt); //Withdraw function
};

Account::Account() :balance(0) //We are using scope resolution operator :: to show to the compiler and linker that we are implementing functions for a class Account, not any other class.
{
} //We are using initialization syntax: we are giving 0 values to variable balance
//We do not need to initialize the vector of logs as it is initialized as empty one

vector<string> Account::Report()
{
	vector<string> report;
	report.push_back("Current Balance is " + to_string(balance));
	report.push_back("Transactions: ");
	for (auto t : log)
	{
		report.push_back(t.Report());
	}
	report.push_back("_______________");
	return report;
}
bool Account::Deposit(int amt)
{
	if (amt >= 0)
	{
		balance += amt;
		log.push_back(Transaction(amt, "Deposit"));
		return true;
	}
	else
	{
		return false;
	}
}

bool Account::Withdraw(int amt)
{
	if (amt >= 0)
	{
		if (balance >= amt)
		{
			balance -= amt;
			log.push_back(Transaction(amt, "Withdraw"));
			return true;
		}
		else
		{
			return false;
		}
	}
	else
	{
		return false;
	}
}

Transaction::Transaction(int amt, string t) :amount(amt), type(t)
{}

string Transaction::Report()
{
	string report;
	report = "     ";
	report += type;
	report += " ";
	report += to_string(amount);

	return report;
}

int main() {

	Account a1;
	a1.Deposit(90);
	cout << "After depositing £90" << endl;
	for (auto s : a1.Report())
	{
		cout << s << endl;
	}
	a1.Withdraw(50);
	cout << "After withdrawing £50" << endl;
	for (auto s : a1.Report())
	{
		cout << s << endl;
	}
	return 0;
}