// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.IO;
using Microsoft.AspNetCore.Razor;
using Microsoft.AspNetCore.Razor.Language;
using Microsoft.Extensions.Internal;
 
namespace Microsoft.CodeAnalysis.Razor.ProjectSystem;
 
internal sealed record class HostProject
{
    /// <summary>
    /// Gets the full path to the .csproj file for this project
    /// </summary>
    public string FilePath { get; }
 
    /// <summary>
    /// Gets the full path to the folder under 'obj' where the project.razor.bin file will live
    /// </summary>
    public string IntermediateOutputPath { get; }
 
    public RazorConfiguration Configuration { get; init; }
 
    public string? RootNamespace { get; init; }
 
    /// <summary>
    /// An extra user-friendly string to show in the VS navigation bar to help the user, of the form "{ProjectFileName} ({Flavor})"
    /// </summary>
    public string DisplayName { get; }
 
    public HostProject(
        string filePath,
        string intermediateOutputPath,
        RazorConfiguration configuration,
        string? rootNamespace,
        string? displayName = null)
    {
        FilePath = filePath;
        IntermediateOutputPath = intermediateOutputPath;
        Configuration = configuration;
        RootNamespace = rootNamespace;
        DisplayName = displayName ?? Path.GetFileNameWithoutExtension(filePath);
    }
 
    public bool Equals(HostProject? other)
    {
        if (ReferenceEquals(this, other))
        {
            return true;
        }
 
        return other is not null &&
               EqualityContract == other.EqualityContract &&
               PathUtilities.OSSpecificPathComparer.Equals(FilePath, other.FilePath) &&
               PathUtilities.OSSpecificPathComparer.Equals(IntermediateOutputPath, other.IntermediateOutputPath) &&
               Configuration == other.Configuration &&
               RootNamespace == other.RootNamespace &&
               DisplayName == other.DisplayName;
    }
 
    public override int GetHashCode()
    {
        var hash = HashCodeCombiner.Start();
 
        hash.Add(FilePath, PathUtilities.OSSpecificPathComparer);
        hash.Add(IntermediateOutputPath, PathUtilities.OSSpecificPathComparer);
        hash.Add(Configuration);
        hash.Add(RootNamespace);
        hash.Add(DisplayName);
 
        return hash.CombinedHash;
    }
}