// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using System.Diagnostics;
using System.Text.Json;
using System.Text.Json.Serialization.Metadata;

namespace Microsoft.AspNetCore.StaticWebAssets.Tasks;

[DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
public struct StaticWebAssetEndpointProperty : IComparable<StaticWebAssetEndpointProperty>, IEquatable<StaticWebAssetEndpointProperty>
{
    private static readonly JsonTypeInfo<StaticWebAssetEndpointProperty[]> _jsonTypeInfo =
        StaticWebAssetsJsonSerializerContext.Default.StaticWebAssetEndpointPropertyArray;

    public string Name { get; set; }

    public string Value { get; set; }

    internal static StaticWebAssetEndpointProperty[] FromMetadataValue(string value) => string.IsNullOrEmpty(value) ? [] : JsonSerializer.Deserialize(value, _jsonTypeInfo);

    internal static string ToMetadataValue(StaticWebAssetEndpointProperty[] responseHeaders) =>
        JsonSerializer.Serialize(
            responseHeaders ?? [],
            _jsonTypeInfo);

    public int CompareTo(StaticWebAssetEndpointProperty other) => string.CompareOrdinal(Name, other.Name) switch
    {
        0 => string.CompareOrdinal(Value, other.Value),
        int result => result
    };

    public override bool Equals(object obj) => obj is StaticWebAssetEndpointProperty endpointProperty &&
        Equals(endpointProperty);

    public bool Equals(StaticWebAssetEndpointProperty other) =>
       string.Equals(Name, other.Name, StringComparison.Ordinal) &&
       string.Equals(Value, other.Value, StringComparison.Ordinal);

    public override int GetHashCode()
    {
#if NETFRAMEWORK
        var hashCode = -244751520;
        hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Name);
        hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Value);
        return hashCode;
#else
        return HashCode.Combine(Name, Value);
#endif
    }

    private string GetDebuggerDisplay() => $"Name: {Name}, Value: {Value}";
}