using Creative.Configuration;
using Creative.Security;
using Creative.Services;

var builder = WebApplication.CreateBuilder(args);

// --------------------
// Container-friendly HTTP binding
// --------------------
var port = Environment.GetEnvironmentVariable("PORT") ?? "8080";
builder.WebHost.UseUrls($"http://0.0.0.0:{port}");

// --------------------
// Configuration
// --------------------
builder.Services.Configure<CreativeConfig>(
    builder.Configuration.GetSection(CreativeConfig.SectionName));

var creativeConfig = builder.Configuration
    .GetSection(CreativeConfig.SectionName)
    .Get<CreativeConfig>();

Console.WriteLine("===========================================");
Console.WriteLine("[Creative] Starting service...");
Console.WriteLine($"[Creative] Emulated Mode: {!(creativeConfig?.EnableRealApi ?? false)}");
Console.WriteLine($"[Creative] OpenAI Key Set: {!string.IsNullOrEmpty(creativeConfig?.OpenAiApiKey)}");
Console.WriteLine($"[Creative] Image Provider: {creativeConfig?.ImageProvider ?? "emulated"}");
Console.WriteLine($"[Creative] Unsplash Key Set: {!string.IsNullOrEmpty(creativeConfig?.UnsplashAccessKey)}");
Console.WriteLine($"[Creative] Internal Key Set: {!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("CREATIVE_INTERNAL_KEY"))}");
Console.WriteLine("===========================================");

// --------------------
// Services
// --------------------
builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new() { Title = "Creative Service", Version = "v1" });
});

// Core services
builder.Services.AddHttpClient();
builder.Services.AddSingleton<ScraperService>();
builder.Services.AddSingleton<CopyGeneratorService>();
builder.Services.AddSingleton<ImageGeneratorService>();
builder.Services.AddScoped<CreativeService>();

// Auth filter for internal calls from Gateway
builder.Services.AddScoped<InternalAuthFilter>();

// --------------------
// Build & Configure
// --------------------
var app = builder.Build();

app.UseSwagger();
app.UseSwaggerUI();

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

// Root endpoint
app.MapGet("/", () => Results.Ok(new
{
    service = "Creative",
    status = "healthy",
    timestamp = DateTimeOffset.UtcNow
}));

// Health check with config status
app.MapGet("/health", (IConfiguration config) =>
{
    var settings = config.GetSection(CreativeConfig.SectionName).Get<CreativeConfig>();

    return Results.Ok(new
    {
        service = "Creative",
        status = "healthy",
        timestamp = DateTimeOffset.UtcNow,
        config = new
        {
            realApiEnabled = settings?.EnableRealApi ?? false,
            openAiConfigured = !string.IsNullOrEmpty(settings?.OpenAiApiKey),
            model = settings?.OpenAiModel ?? "(default)",
            imageProvider = settings?.ImageProvider ?? "emulated",
            unsplashConfigured = !string.IsNullOrEmpty(settings?.UnsplashAccessKey),
            imageCount = settings?.ImageCount ?? 3
        }
    });
});

Console.WriteLine("[Creative] Pipeline configured, starting listener...");
Console.WriteLine($"[Creative] Listening on http://0.0.0.0:{port}");

app.Run();