using Beconnect.PaymentService.Data;
using Beconnect.PaymentService.Services;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Http.Resilience;
using Serilog;
using StackExchange.Redis;

Log.Logger = new LoggerConfiguration()
    .WriteTo.Console()
    .WriteTo.File("logs/payment-.log", rollingInterval: RollingInterval.Day, retainedFileCountLimit: 14)
    .CreateLogger();

try
{
    Log.Information("[Payment Service] Starting up");

    var builder = WebApplication.CreateBuilder(args);
    builder.Host.UseSerilog();

    var cfg = builder.Configuration;

    // ─── EF Core → MySQL (ProxySQL) ───────────────────────────────────────────
    var connStr =
        cfg.GetConnectionString("Default") ??
        $"Server={cfg["DB_HOST"] ?? "mysql"};Port={cfg["DB_PORT"] ?? "3306"};" +
        $"Database={cfg["DB_DATABASE"] ?? "beconnect"};" +
        $"User={cfg["DB_USERNAME"] ?? "beconnect"};" +
        $"Password={cfg["DB_PASSWORD"] ?? "beconnect_secret"};";

    builder.Services.AddDbContext<PaymentDbContext>(opt =>
        opt.UseMySql(connStr, ServerVersion.AutoDetect(connStr))
    );

    // ─── Redis ────────────────────────────────────────────────────────────────
    builder.Services.AddSingleton<IConnectionMultiplexer>(_ =>
        ConnectionMultiplexer.Connect($"{cfg["REDIS_HOST"] ?? "redis"}:{cfg["REDIS_PORT"] ?? "6379"}"));

    // ─── HTTP Clients com resilience nativo do .NET 8 ─────────────────────────
    builder.Services.AddHttpClient("StockService", c =>
    {
        c.BaseAddress = new Uri(cfg["STOCK_SERVICE_URL"] ?? "http://stock-service:8081");
        c.Timeout     = TimeSpan.FromSeconds(10);
        c.DefaultRequestHeaders.Add("X-Internal-Key", cfg["INTERNAL_API_KEY"] ?? "beconnect_internal");
    }).AddStandardResilienceHandler(options =>
    {
        options.Retry.MaxRetryAttempts = 3;
        options.Retry.Delay            = TimeSpan.FromSeconds(2);
    });

    builder.Services.AddHttpClient("LaravelApp", c =>
    {
        c.BaseAddress = new Uri(cfg["LARAVEL_APP_URL"] ?? "http://nginx:80");
        c.Timeout     = TimeSpan.FromSeconds(15);
        c.DefaultRequestHeaders.Add("X-Internal-Key", cfg["INTERNAL_API_KEY"] ?? "beconnect_internal");
    }).AddStandardResilienceHandler(options =>
    {
        options.Retry.MaxRetryAttempts = 3;
        options.Retry.Delay            = TimeSpan.FromSeconds(2);
    });

    builder.Services.AddHttpClient<EMolaService>(c =>
    {
        c.BaseAddress = new Uri(cfg["EMola:ApiUrl"] ?? "https://api.emola.co.mz");
        c.Timeout     = TimeSpan.FromSeconds(30);
        if (!string.IsNullOrEmpty(cfg["EMola:ApiKey"]))
            c.DefaultRequestHeaders.Add("Authorization", $"Bearer {cfg["EMola:ApiKey"]}");
    }).AddStandardResilienceHandler();

    builder.Services.AddScoped<CheckoutService>();
    builder.Services.AddControllers();
    builder.Services.AddEndpointsApiExplorer();

    var app = builder.Build();

    // Migração automática
    using (var scope = app.Services.CreateScope())
    {
        var db = scope.ServiceProvider.GetRequiredService<PaymentDbContext>();
        await db.Database.MigrateAsync();
    }

    app.UseRouting();
    app.MapControllers();
    app.MapGet("/health", () => Results.Ok(new { status = "ok", service = "payment-service" }));

    await app.RunAsync();
}
catch (Exception ex)
{
    Log.Fatal(ex, "[Payment Service] Startup failed");
}
finally
{
    await Log.CloseAndFlushAsync();
}