namespace PetsAndFleas;

/// <summary>
/// Represents a dog
/// </summary>
public sealed class Dog : Pet
{
    private static readonly TimeSpan huntingWaitInterval = TimeSpan.FromMinutes(1);
    private readonly DateTimeProvider _dateTimeProvider;
    private DateTime? _lastHuntedTime;
    
    /// <summary>
    /// Gets the number of animals this dog has hunted
    /// </summary>
    public int HuntedAnimals { get; private set; }

    /// <summary>
    /// Initializes a new <see cref="Dog"/> class
    /// </summary>
    /// <param name="dateTimeProvider">The datetime provider for checking hunting times</param>
    public Dog(DateTimeProvider dateTimeProvider)
    {
        _dateTimeProvider = dateTimeProvider;
        PrintCtorInfo("Dog");
    }

    /// <summary>
    /// Tries to hunt an animal.
    /// Dog needs to rest 1 min after a hunt.
    /// </summary>
    /// <returns>True if hunting was successful, false if dog needs to rest.</returns>
    public bool HuntAnimal()
    {
        if (_lastHuntedTime.HasValue && _dateTimeProvider.Now - _lastHuntedTime.Value < huntingWaitInterval)
        {
            return false;
        }
        
        _lastHuntedTime = _dateTimeProvider.Now;
        HuntedAnimals++;
        return true;
    }

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