package chapter_seven;


public class Pet
{
    private String name;
    private int age; //in years
    private double weight; //in pounds

    public String toString()
    {
        return ("Name: " + name + " Age: " + age + " years"
                + "\nWeight: " + weight + " pounds");
    }



    public Pet(String initialName,int initialAge,
               double initialWeight)
    {
        name = initialName;
        if ((initialAge < 0) || (initialWeight < 0))
        {
            System.out.println("Error: Wrong age or weight.");
            System.exit(0);
        }
        else
        {
            age = initialAge;
            weight = initialWeight;
        }
    }


    public void set(String newName, int newAge, double newWeight)
    {
        name = newName;
        if ((newAge < 0) || (newWeight < 0))
        {
            System.out.println("Error: Wrong age or weight.");
            System.exit(0);
        }
        else
        {
            age = newAge;
            weight = newWeight;
        }
    }


    public Pet(String initialName)
    {
        name = initialName;
        age = 0;
        weight = 0;
    }

    public void setName(String newName)
    {
        name = newName;
    }

    public Pet(int initialAge)
    {
        name = "No name yet.";
        weight = 0;
        if (initialAge < 0)
        {
            System.out.println("Error: Negative age.");
            System.exit(0);
        }
        else
            age = initialAge;
    }

    public void setAge(int newAge)
    {
        if (newAge < 0)
        {
            System.out.println("Error: Negative age.");
            System.exit(0);
        }
        else
            age = newAge;
    }



    public Pet(double initialWeight)
    {
        name = "No name yet";
        age = 0;
        if (initialWeight < 0)
        {
            System.out.println("Error: Negative weight.");
            System.exit(0);
        }
        else
            weight = initialWeight;
    }

    public void setWeight(double newWeight)
    {
        if (newWeight < 0)
        {
            System.out.println("Error: Negative weight.");
            System.exit(0);
        }
        else
            weight = newWeight;
    }

    public Pet()
    {
        name = "No name yet.";
        age = 0;
        weight = 0;
    }


    public String getName()
    {
        return name;
    }

    public int getAge()
    {
        return age;
    }

    public double getWeight()
    {
        return weight;
    }


    public double acepromazine()
    {
        return 0;
    }

    public double carprofen()
    {
        return 0;
    }


    public boolean equals(Pet pet)
    {
        return getAge() == pet.getAge()
                && getName().equals(pet.getName())
                && getWeight() == pet.getWeight();
    }
}
