namespace PetsAndFleas;

/// <summary>
/// Represents a flea
/// </summary>
public sealed class Flea
{
    /// <summary>
    /// The current selected <see cref="Pet"/>
    /// </summary>
    public Pet? CurrentPet { get; private set; }
    
    /// <summary>
    /// The total bites taken
    /// </summary>
    public int TotalBites { get; private set; }

    /// <summary>
    /// Sets the current <see cref="Pet"/>
    /// </summary>
    /// <param name="pet">The pet to select</param>
    public void JumpOnPet(Pet? pet)
    {
        CurrentPet = pet;
    }

    /// <summary>
    /// Bites the current <see cref="Pet"/>
    /// </summary>
    /// <param name="bites">How many bites to take</param>
    /// <returns>The number of bites taken</returns>
    public int BitePet(int bites)
    {
        var bitesTaken = CurrentPet?.GetBitten(bites) ?? 0;
        TotalBites += bitesTaken;
        return bitesTaken;
    }

    /// <summary>
    /// Returns a string representation of the flea
    /// </summary>
    /// <returns>The string that represents the flea</returns>
    public override string ToString() => "I'm a flea";
}