using JdeScoping.Api;
using JdeScoping.Core.Interfaces;
using JdeScoping.DataAccess.Options;
using JdeScoping.DataSync.Options;
using JdeScoping.ExcelIO.Options;
using JdeScoping.Infrastructure.Options;
using JdeScoping.Database;
using Microsoft.Extensions.Options;

var builder = WebApplication.CreateBuilder(args);

// Windows Service support (no-op on non-Windows)
builder.Host.UseWindowsService();

// Run database migrations (skip in Testing environment)
if (!builder.Environment.IsEnvironment("Testing"))
{
    var migrator = new DatabaseMigrator(builder.Configuration);
    var migrationResult = migrator.Migrate();

    if (!migrationResult.Successful)
    {
        Console.WriteLine($"Database migration failed: {migrationResult.Error?.Message}");
        return 1;
    }
}

// ASP.NET Core services
builder.Services.AddRazorPages();

// Module registration (in dependency order)
builder.Services
    .AddDataAccess(builder.Configuration)       // 1. Database access + search processing
    .AddInfrastructure(builder.Configuration)   // 2. Infrastructure (JDE/CMS/Auth)
    .AddDataSyncServices(builder.Configuration) // 3. Data sync background service
    .AddExcelIO(builder.Configuration)      // 4. Result export
    .AddWebApi(builder.Configuration);          // 5. Web API (controllers, auth, SignalR)

var app = builder.Build();

// Startup validation - verify critical services are registered
ValidateServices(app.Services);

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

app.UseStaticFiles();
app.UseBlazorFrameworkFiles();
app.UseRouting();

// Configure Web API middleware (authentication, authorization, controllers, SignalR hub)
app.UseWebApi();

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

app.Run();

return 0;

// Validates that critical services are properly registered
static void ValidateServices(IServiceProvider services)
{
    using var scope = services.CreateScope();
    var provider = scope.ServiceProvider;

    // Validate Options classes are bound
    _ = provider.GetRequiredService<IOptions<DataAccessOptions>>();
    _ = provider.GetRequiredService<IOptions<DataSyncOptions>>();
    _ = provider.GetRequiredService<IOptions<ExcelExportOptions>>();
    _ = provider.GetRequiredService<IOptions<SearchProcessingOptions>>();
    _ = provider.GetRequiredService<IOptions<DataSourceOptions>>();

    // Validate data source services
    _ = provider.GetRequiredService<IJdeDataSource>();
    _ = provider.GetRequiredService<ICmsDataSource>();

    Console.WriteLine("Service validation completed successfully.");
}