AddonToolDraft.cs

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using System.Text.Json;

namespace Lilith.Core.Addons;

internal sealed record AddonToolDraft(string Description,JsonElement Parameters,string Body)
{
    internal static JsonElement Schema=>JsonSerializer.SerializeToElement(new{type="object",additionalProperties=false,required=new[]{"description","parameters","body"},properties=new{description=new{type="string"},parameters=new{type="object"},body=new{type="string"}}});
    internal static string Render(string json,string name)
    {
        var p=JsonSerializer.Deserialize<AddonToolDraft>(json,new JsonSerializerOptions{PropertyNameCaseInsensitive=true})??throw new InvalidDataException("Missing C# tool draft.");
        if(p.Body.Length is <10 or >60000||p.Description.Length>1000||p.Parameters.ValueKind!=JsonValueKind.Object||!p.Parameters.TryGetProperty("type",out var type)||type.GetString()!="object")throw new InvalidDataException("Invalid tool body or parameter schema.");
        return "using System;\nusing System.IO;\nusing System.Text.Json;\nusing System.Threading;\nusing System.Threading.Tasks;\nusing Lilith.Core.Tools;\nusing Lilith.Core.Addons;\n"+
            "public sealed class CraftedTool : ILilithTool, IAddonContextAware {\nprivate AddonContext? _context;\npublic void Configure(AddonContext context) { _context=context; }\n"+
            "public string Name => "+JsonSerializer.Serialize(name)+";\npublic string Description => "+JsonSerializer.Serialize(p.Description)+";\npublic JsonElement Parameters => JsonDocument.Parse("+JsonSerializer.Serialize(p.Parameters.GetRawText())+").RootElement.Clone();\n"+
            "public async Task<string> ExecuteAsync(JsonElement arguments, CancellationToken cancellationToken=default) {\nvar context=_context??throw new InvalidOperationException(\"Addon context unavailable.\");\ncancellationToken.ThrowIfCancellationRequested();\n"+p.Body+"\n}\n}\n";
    }
}