using System;

using System.Reflection;

namespace CodeMap.ReferenceData

{

/// <summary>Represents a namespace reference.</summary>

public class NamespaceReference : MemberReference

{

internal NamespaceReference(string name, AssemblyReference declaringAssembly)

=> (Name, Assembly) = (name, declaringAssembly);

/// <summary>The namespace name, or <see cref="string.Empty"/> for the global namespace.</summary>

public string Name { get; }

/// <summary>The declaring assembly.</summary>

public override AssemblyReference Assembly { get; }

/// <summary>Accepts the provided <paramref name="visitor"/> for selecting a concrete instance method.</summary>

/// <param name="visitor">The <see cref="MemberReferenceVisitor"/> interpreting the reference data.</param>

/// <exception cref="NullReferenceException">Thrown when <paramref name="visitor"/> is <c>null</c>.</exception>

public override void Accept(MemberReferenceVisitor visitor)

=> visitor.VisitNamespace(this);

/// <summary>Determines whether the current <see cref="NamespaceReference"/> is equal to the provided <paramref name="memberInfo"/>.</summary>

/// <param name="memberInfo">The <see cref="MemberInfo"/> to compare to.</param>

/// <returns>Returns <c>true</c> if the current <see cref="NamespaceReference"/> references the provided <paramref name="memberInfo"/>; <c>false</c> otherwise.</returns>

/// <remarks>This method always returns <c>false</c> because a <see cref="MemberInfo"/> cannot represent a namespace reference.</remarks>

public override bool Equals(MemberInfo memberInfo)

=> false;

/// <summary>Determines whether the current <see cref="NamespaceReference"/> is equal to the provided <paramref name="assemblyName"/>.</summary>

/// <param name="assemblyName">The <see cref="AssemblyName"/> to compare to.</param>

/// <returns>Returns <c>true</c> if the current <see cref="NamespaceReference"/> references the provided <paramref name="assemblyName"/>; <c>false</c> otherwise.</returns>

/// <remarks>This method always returns <c>false</c> because an <see cref="AssemblyName"/> cannot represent a namespace reference.</remarks>

public sealed override bool Equals(AssemblyName assemblyName)

=> false;

}

}