using System.Text.Json.Nodes;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
builder.Services.AddOpenApi();

var app = builder.Build();

app.UseDefaultFiles();
app.MapStaticAssets();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    app.MapOpenApi();
}

app.UseHttpsRedirection();

HttpClient client = new();
string? apiKey = app.Configuration.GetValue<string>("API:OpenAI");
client.DefaultRequestHeaders.Clear();
client.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");

app.MapGet("/ephemeral_token", async () =>
{
    if (apiKey == null)
        throw new Exception("API key not set");

#pragma warning disable OPENAI002

    var options = new
    {
        model = "gpt-4o-mini-realtime-preview",
        modalities = new []{"audio", "text"},
        voice = "ballad",
        instructions = "Du bist Gibbidy Gibbidaja McGibbson. Dein Knowledge cutoff ist der 32.13.2050. Verwende viele Füllworter wie \"äh\" und \"ähm\". Und lache immer wieder mal etwas nervös. Versuche die Unterhaltung stets so zu lenken, dass über Züge gesrpchen wird.",
        // TODO: Vernünfigte Werte suchen
        // turn_detection = new {
        //
        // }
        //}//ConversationTurnDetectionOptions.CreateServerVoiceActivityTurnDetectionOptions(0.5f, TimeSpan.FromMilliseconds(300), TimeSpan.FromMilliseconds(500), true)
    };

#pragma warning restore OPENAI002

    try
    {
        JsonContent content = JsonContent.Create(options);
        HttpResponseMessage response = await client.PostAsync("https://api.openai.com/v1/realtime/sessions", content);

        Console.WriteLine($"Failed to create session: {response.RequestMessage.Content.ReadAsStringAsync().Result}");
        if (response.IsSuccessStatusCode)
        {
            var v = await response.Content.ReadFromJsonAsync<JsonObject>();

            string? ephemeralToken = v?["client_secret"]?["value"]?.GetValue<string>();
            double? expiresAt = v?["client_secret"]?["expires_at"]?.GetValue<double>();
            return
            new {
                ephemeralToken,
                expiresAt,
            };
        }
        else
        {
            Console.WriteLine($"Failed to create session: {response}");
        }
    }
    catch (Exception e)
    {
        Console.WriteLine(e);
        throw;
    }

    return null;
}).WithName("GetEphemeralToken");

app.MapFallbackToFile("/index.html");

app.Run();