Completed the assignment

PetsAndFleas.Test/CatTests.cs

@@ -2,7 +2,6 @@
 
 public sealed class CatTests
 {
-    /*
     private readonly Cat _cat = new();
     
     [Fact]
@@ -61,5 +60,4 @@ public sealed class CatTests
 
     [Fact]
     public void StringRepresentation() => new Cat().ToString().Should().Be("I'm a cat");
-    */
 }

PetsAndFleas.Test/DogTests.cs

@@ -2,7 +2,6 @@
 
 public sealed class DogTests
 {
-    /*
     private readonly Dog _dog = new(new DateTimeProvider());
     
     [Fact]
@@ -52,5 +51,4 @@ public sealed class DogTests
     
     [Fact]
     public void StringRepresentation() => _dog.ToString().Should().Be("I'm a dog");
-    */
 }

PetsAndFleas.Test/FleaTests.cs

@@ -2,7 +2,6 @@
 
 public sealed class FleaTests
 {
-    /*
     private readonly Flea _flea = new();
     
     [Fact]
@@ -118,5 +117,4 @@ public sealed class FleaTests
     }
 
     #endregion
-    */
 }

PetsAndFleas.Test/PetTests.cs

@@ -2,7 +2,6 @@
 
 public sealed class PetTests
 {
-    /* 
     [Fact]
     public void PetId()
     {
@@ -86,5 +85,4 @@ public sealed class PetTests
     }
 
     #endregion
-    */
 }

PetsAndFleas/Cat.cs

@@ -0,0 +1,57 @@
+namespace PetsAndFleas;
+
+/// <summary>
+/// Represents a cat
+/// </summary>
+public sealed class Cat : Pet
+{
+    private bool _isOnTree;
+    
+    /// <summary>
+    /// The number of trees the cat has climbed
+    /// </summary>
+    public int TreesClimbed { get; private set; }
+
+    public Cat()
+    {
+        PrintCtorInfo("cat");
+    }
+
+    /// <summary>
+    /// Tries to climb a tree
+    /// </summary>
+    /// <returns>True if climbing was successful, false if cat is already on a tree</returns>
+    public bool ClimbOnTree()
+    {
+        if (_isOnTree)
+        {
+            return false;
+        }
+
+        TreesClimbed++;
+        _isOnTree = true;
+        return true;
+    }
+
+    /// <summary>
+    /// Tries to climb a tree
+    /// </summary>
+    /// <returns>True if climbing was successful, false if cat is not on a tree</returns>
+
+    public bool ClimbDown()
+    {
+        if (!_isOnTree)
+        {
+            return false;
+        }
+
+        _isOnTree = false;
+        return true;
+    }
+
+    /// <summary>
+    /// Returns a string representation of the cat
+    /// </summary>
+    /// <returns>The string that represents the cat</returns>
+    public override string ToString() => "I'm a cat";
+}

PetsAndFleas/Dog.cs

@@ -0,0 +1,49 @@
+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";
+}

PetsAndFleas/Flea.cs

@@ -0,0 +1,44 @@
+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";
+}

PetsAndFleas/Pet.cs

@@ -0,0 +1,57 @@
+namespace PetsAndFleas;
+
+/// <summary>
+/// Abstract class for pets
+/// </summary>
+public abstract class Pet
+{
+    /// <summary>
+    /// Next available pet ID
+    /// </summary>
+    public static int NextPetId { get; private set; }
+    
+    /// <summary>
+    /// The unique pet ID
+    /// </summary>
+    public int PetId { get; }
+    
+    /// <summary>
+    /// The remaining bites for this pet
+    /// </summary>
+    public int RemainingBites { get; private set; } = 100;
+
+    /// <summary>
+    /// Initializes a new <see cref="Pet"/> class
+    /// </summary>
+    protected Pet()
+    {
+        NextPetId++;
+        PetId = NextPetId;
+    }
+
+    /// <summary>
+    /// Reduces the remaining bites for this pet
+    /// </summary>
+    /// <param name="bites">Number of bites to take</param>
+    /// <returns>The actual number of bites taken</returns>
+    public int GetBitten(int bites)
+    {
+        if (bites <= 0)
+        {
+            return 0;
+        }
+
+        int actualBites = Math.Min(bites, RemainingBites);
+        RemainingBites -= actualBites;
+        return actualBites;
+    }
+
+    /// <summary>
+    /// Prints information about the constructor
+    /// </summary>
+    /// <param name="petType">The type of pet being created</param>
+    protected static void PrintCtorInfo(string petType)
+    {
+        Console.WriteLine($"Creating a new {petType}");
+    }
+}