//3.9 main file
#include <iostream>
#include "account.h";
using namespace std;

int main()
{
    Account test1("Jones", 400);
    cout << "Current balance is.... " << test1.getBalance() << endl;
    cout << test1.withdraw(500) << endl;
    cout << test1.getBalance();
    return 0;
}

//3.9 account.h file
#include <string>
#include <iostream>

class Account {
public:
    Account(std::string accountName, int initialBalance)
        : name{accountName} {

        if (initialBalance > 0) {
            balance = initialBalance;
    }
    }
    void deposit(int depositAmount) {
    if (depositAmount > 0) {
        balance = balance + depositAmount;
    }
    }

    int getBalance() const {
    return balance;
    }

    void setName(std::string accountName) {
    name = accountName;
    }

    std::string getName() const {
    return name;
    }

    std::string withdraw(int withdrawAmount) {
    if (withdrawAmount > balance) {
        return("You do not have enough money in your account to do that.");
    }
    else {
        balance = balance - withdrawAmount;
        return("Money withdrawn succesfully.");
    }
    }

private:
    std::string name;
    int balance{0};
};

//3.10 main file
#include <iostream>
#include "invoice.h";
using namespace std;

void test();

int main()
{
    test();
    return 0;
}

void test() {
    Invoice test1("1234","ChainsawOil",2,4);
    cout << "description: " << test1.getDescript() << " Part num: " << test1.getPartNum() << " Price: " << test1.getPrice() << " Quanitity: " << test1.getQuantity() << endl;
    test1.setDescript("Chain");
    test1.setPartNum("4321");
    test1.setPrice(3);
    test1.setQuantity(8);
    cout << "description: " << test1.getDescript() << " Part num: " << test1.getPartNum() << " Price: " << test1.getPrice() << " Quanitity: " << test1.getQuantity() << endl;
    cout << "Total invoice amount: $" << test1.getInvoiceAmount() << endl;
    test1.setPrice(-3);
    test1.setQuantity(-8);
    cout << "description: " << test1.getDescript() << " Part num: " << test1.getPartNum() << " Price: " << test1.getPrice() << " Quanitity: " << test1.getQuantity() << endl;
}

//3.10 header file
#include <string>
#include <iostream>

class Invoice {

 public:
     Invoice(std::string initNum, std::string initDescript, int initPrice, int initQuantity)
     : partNum{initNum}, partDescription{initDescript}  {
         if ( initPrice < 0) {
            partPrice = 0;
         }

         else {
            partPrice = initPrice;
         }

         if ( initQuantity < 0) {
            partQuantity = 0;
         }
         else {
            partQuantity = initQuantity;
         }

}

    std::string getPartNum() const {
        return(partNum);
    }

    void setPartNum(std::string newPartNum) {
        partNum = newPartNum;
    }

    std::string getDescript() const {
        return(partDescription);
    }

    void setDescript(std::string newDescript) {
        partDescription = newDescript;
    }

    int getPrice() const  {
        return(partPrice);
    }

    void setPrice(int newPrice) {
            if ( newPrice < 0) {
        partPrice = 0;
        }
                 else {
            partPrice = newPrice;
         }
    }

    int getQuantity() const {
        return(partQuantity);
    }

    void setQuantity(int newQuantity) {
        if ( newQuantity < 0) {
            partQuantity = 0;
         }
         else {
            partQuantity = newQuantity;
         }
    }

    int getInvoiceAmount() {
    return (partPrice * partQuantity);
    }

 private:
    std::string partNum;
    std::string partDescription;
    int partPrice;
    int partQuantity;
};

//3.12 main
#include <iostream>
#include "date.h"
using namespace std;

void test();

int main()
{
    test();
    return 0;
}

void test() {
    Date test2(11,24,1991);
    test2.displayDate();
    test2.setDay(22);
    test2.setMonth(22);
    test2.setYear(2002);
    test2.displayDate();
}

//3.12 header
#include <iostream>
#include <string>

class Date {
    public:
        Date (int initMonth, int initDay, int initYear)
        : month{initMonth}, day{initDay}, year{initYear} {}

        int getMonth() {
            return month;
        }

        int getDay() {
            return day;
        }

        int getYear() {
            return year;
        }

        void setMonth(int newMonth) {
            if ( newMonth > 12 || newMonth < 1) {
                month = 1;
            }
            else {
                month = newMonth;
            }
        }

        void setDay(int newDay) {
            day = newDay;
        }

        void setYear(int newYear) {
            year = newYear;
        }

        void displayDate() {
            std::cout << month << "/" << day << "/" << year << std::endl;
        }

    private:
        int month;
        int day;
        int year;
};