// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System.Text.Json;
using System.Text.Json.Serialization;
namespace AzureMcp.CloudArchitect.Options;
/// <summary>
/// AOT-safe JSON converter for RequirementImportance enum that handles case-insensitive deserialization.
/// </summary>
public sealed class RequirementImportanceConverter : JsonConverter<RequirementImportance>
{
public override RequirementImportance Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
if (reader.TokenType != JsonTokenType.String)
{
throw new JsonException($"Expected string token, got {reader.TokenType}");
}
var value = reader.GetString();
if (string.IsNullOrEmpty(value))
{
throw new JsonException("Null or empty string is not a valid RequirementImportance value");
}
return value.ToLowerInvariant() switch
{
"high" => RequirementImportance.High,
"critical" => RequirementImportance.High, // Treat "critical" as "high" importance
"medium" => RequirementImportance.Medium,
"low" => RequirementImportance.Low,
_ => throw new JsonException($"'{value}' is not a valid RequirementImportance value")
};
}
public override void Write(Utf8JsonWriter writer, RequirementImportance value, JsonSerializerOptions options)
{
writer.WriteStringValue(value.ToString());
}
}
