using OpenTelemetry.Exporter;
using OpenTelemetry.Logs;
using OpenTelemetry.Metrics;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
using System.Diagnostics.Metrics;

var builder = WebApplication.CreateBuilder(args);

// ONLY FOR TESTING: Allow untrusted certificates
var handler = new HttpClientHandler
{
    ServerCertificateCustomValidationCallback = (message, cert, chain, errors) => true
};
builder.Services.AddHttpClient("OtlpClient").ConfigurePrimaryHttpMessageHandler(() => handler);

// 1. Define Resource Information
var resourceBuilder = ResourceBuilder.CreateDefault()
    .AddService("SampleApi");

// 2. Configuration Variables 
// Using the API Key from your aspire-dashboard-auth secret
var oltpApiKey = "mc3G63K2j5ZOEsi0AjMojLTXm1KEZFctzIIjSwDiTGut8qGSkPuWwxGP1RbscJUo";

// Pointing to your Traefik IngressRoute. 
// The SDK will append /v1/traces, /v1/metrics, etc., to this base URL
var oltpAddress = "https://aspire.khongisa.co.za/otlp-grpc";
//var oltpAddress = "https://aspire.khongisa.co.za/otlp-http";

builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

// 3. Configure OpenTelemetry Logging
builder.Logging.AddOpenTelemetry(logging =>
{
    logging.SetResourceBuilder(resourceBuilder);
    logging.AddOtlpExporter(opt =>
    {
        opt.Endpoint = new Uri(oltpAddress);
        opt.Protocol = OtlpExportProtocol.Grpc; // Switched to gRPC
        // Note: Headers are only needed if you re-enable ApiKey auth mode
    });
});

// 4. Configure Tracing and Metrics
builder.Services.AddOpenTelemetry()
    .WithTracing(tracing => tracing
        .SetResourceBuilder(resourceBuilder)
        .AddAspNetCoreInstrumentation()
        .AddHttpClientInstrumentation()
        .AddOtlpExporter(opt =>
        {
            opt.Endpoint = new Uri(oltpAddress);
            opt.Protocol = OtlpExportProtocol.Grpc;
        }))
    .WithMetrics(metrics => metrics
        .SetResourceBuilder(resourceBuilder)
        .AddMeter("SampleApi")
        .AddAspNetCoreInstrumentation()
        .AddRuntimeInstrumentation()
        .AddOtlpExporter(opt =>
        {
            opt.Endpoint = new Uri(oltpAddress);
            opt.Protocol = OtlpExportProtocol.Grpc;
        }));

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseRouting();
app.UseAuthorization();
app.MapControllers();

app.Run();
app.Run();