using MetaApi.Configuration;
using MetaApi.Services;

var builder = WebApplication.CreateBuilder(args);

// Port binding (same pattern as GoogleApi)
var port = Environment.GetEnvironmentVariable("PORT") ?? "5300";
builder.WebHost.UseUrls($"http://0.0.0.0:{port}");

// Configuration
builder.Services.Configure<MetaConfig>(options =>
{
    // Bind from appsettings Meta section
    builder.Configuration.GetSection("Meta").Bind(options);

    // Environment variable overrides (Azure Container Apps pattern)
    options.AppId = Environment.GetEnvironmentVariable("Meta__AppId") ?? options.AppId;
    options.AppSecret = Environment.GetEnvironmentVariable("Meta__AppSecret") ?? options.AppSecret;
    options.SystemUserToken = Environment.GetEnvironmentVariable("Meta__SystemUserToken") ?? options.SystemUserToken;
    options.BusinessManagerId = Environment.GetEnvironmentVariable("Meta__BusinessManagerId") ?? options.BusinessManagerId;
    options.ApiVersion = Environment.GetEnvironmentVariable("Meta__ApiVersion") ?? options.ApiVersion;

    var enableReal = Environment.GetEnvironmentVariable("Meta__EnableRealApi");
    if (bool.TryParse(enableReal, out var realApi))
        options.EnableRealApi = realApi;
});

// HTTP client for Graph API
builder.Services.AddHttpClient<MetaGraphClient>(client =>
{
    client.DefaultRequestHeaders.Add("Accept", "application/json");
    client.Timeout = TimeSpan.FromSeconds(30);
});

// Services
builder.Services.AddScoped<MetaMarketingService>();
builder.Services.AddScoped<MetaApi.Security.InternalAuthFilter>();

// Controllers + Swagger
builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new() { Title = "MetaApi", Version = "v1" });
});

var app = builder.Build();

// Swagger (all environments - same as GoogleApi)
app.UseSwagger();
app.UseSwaggerUI();

app.MapControllers();

app.MapGet("/", () => Results.Ok(new
{
    service = "MetaApi",
    status = "running",
    version = "1.0.0",
    timestamp = DateTimeOffset.UtcNow
}));

app.Logger.LogInformation("MetaApi starting on port {Port}", port);

app.Run();