import java.util.ArrayList;

public class CredentialRepository implements CredentialRepositoryInterface{

    private int idCounter = 0;
    private ArrayList<Credential> credentials;

    public CredentialRepository()
    {
        this.credentials = new ArrayList<Credential>();
    }

    public int createNewCredential(String name, String password)
    {
        try {
            this.credentials.add(new Credential(name, password, this.idCounter++));
        }
        catch(Exception fail)
        {
            System.err.println(fail.getMessage());
        }

        return this.getListSize();
    }

    @Override
    public void edit() {

    }

    @Override
    public void delete() {

    }

    @Override
    public Credential getCredentialsViaName(String needle) {

        for(int c = 0; c < this.getListSize(); c++)
        {
            Credential credential = this.credentials.get(c);

            if(credential.getName().equals(needle))
                return credential;
        }

        return null;
    }


    @Override
    public Credential getCredentialsViaId(int id) {

        try{
            return this.credentials.get(id);
        }
        catch (IndexOutOfBoundsException outOfBoundsException)
        {
           return null;
        }


    }

    @Override
    public void setCredentials() {

    }

    @Override
    public void getAsJSON() {

    }

    @Override
    public void loadCredentialsFromJSON() {

    }

    private int getListSize()
    {
        return this.credentials.size();
    }

}