using System;

using System.Collections.Generic;

using ArchUnitNET.Domain;

namespace ArchUnitNET.Fluent

{

public class BasicObjectProvider<T> : IObjectProvider<T>

where T : ICanBeAnalyzed

{

private readonly Func<Architecture, IEnumerable<T>> _objects;

public BasicObjectProvider(Func<Architecture, IEnumerable<T>> objects, string description)

{

_objects = objects;

Description = description;

}

public string Description { get; }

public IEnumerable<T> GetObjects(Architecture architecture)

{

return architecture.GetOrCreateObjects(this, _objects);

}

public string FormatDescription(

string emptyDescription,

string singleDescription,

string multipleDescription

)

{

return $"{multipleDescription} {Description}";

}

public override string ToString()

{

return Description;

}

private bool Equals(BasicObjectProvider<T> other)

{

return string.Equals(Description, other.Description);

}

public override bool Equals(object obj)

{

if (ReferenceEquals(null, obj))

{

return false;

}

if (ReferenceEquals(this, obj))

{

return true;

}

return obj.GetType() == GetType() && Equals((BasicObjectProvider<T>)obj);

}

public override int GetHashCode()

{

return Description != null ? Description.GetHashCode() : 0;

}

}

}