using System.Text.Json;
using System.Text.Json.Serialization;
using Microsoft.EntityFrameworkCore;
using SVSim.Database;
using SVSim.Database.Repositories.Card;
using SVSim.Database.Repositories.Collectibles;
using SVSim.Database.Repositories.Deck;
using SVSim.Database.Repositories.Globals;
using SVSim.Database.Repositories.Viewer;
using SVSim.EmulatedEntrypoint.Middlewares;
using SVSim.EmulatedEntrypoint.Security.SteamSessionAuthentication;
using SVSim.EmulatedEntrypoint.Services;

namespace SVSim.EmulatedEntrypoint;

public class Program
{
    public static void Main(string[] args)
    {
        var builder = WebApplication.CreateBuilder(args);

        // Add services to the container.

        builder.Services.AddControllers().AddJsonOptions(opt =>
        {
            // Wire-format congruence: the encrypted msgpack path uses snake_case [Key("...")]
            // names; the plain-JSON path runs through System.Text.Json. Match them by using
            // SnakeCaseLower naming policy here so both paths emit identical key names — and
            // so the translation middleware can hand JSON keys straight through to msgpack
            // without per-property name remapping.
            opt.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower;
            // Production omits null/optional fields entirely; the client uses
            // `Keys.Contains(name)` as a presence check and calls `.ToInt()` (etc.) on the
            // value without a null guard. Emitting `"key":null` makes Contains return true and
            // crashes the client. Drop nulls during serialization so missing == absent.
            opt.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
        });
        // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
        builder.Services.AddEndpointsApiExplorer();
        builder.Services.AddSwaggerGen();
        builder.Services.AddHttpLogging(opt =>
        {

        });

        #region Database Services

        builder.Services.AddDbContext<SVSimDbContext>(opt =>
        {
            opt.UseNpgsql(builder.Configuration.GetConnectionString("ApplicationDb"));
        });
        builder.Services.AddTransient<IViewerRepository, ViewerRepository>();
        builder.Services.AddTransient<ICardRepository, CardRepository>();
        builder.Services.AddTransient<ICollectionRepository, CollectionRepository>();
        builder.Services.AddTransient<IGlobalsRepository, GlobalsRepository>();
        builder.Services.AddTransient<IDeckRepository, DeckRepository>();

        #endregion

        builder.Services.AddTransient<ShadowverseTranslationMiddleware>();
        builder.Services.AddTransient<SessionidMappingMiddleware>();
        builder.Services.AddSingleton<ShadowverseSessionService>();
        builder.Services.AddSingleton<SteamSessionService>();
        builder.Services.AddAuthentication()
            .AddScheme<SteamAuthenticationHandlerOptions, SteamSessionAuthenticationHandler>(
                SteamAuthenticationConstants.SchemeName,
                opt =>
                {
                    
                });

        var app = builder.Build();
        
        // Update database (skipped for non-relational providers, e.g. InMemory in tests, and
        // skipped under the "Testing" environment where the test fixture has already called
        // EnsureCreated against a SQLite in-memory DB — the Postgres migrations would fail there).
        using (var scope = app.Services.CreateScope())
        {
            var dbContext = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
            if (dbContext.Database.IsRelational() && !app.Environment.IsEnvironment("Testing"))
            {
                dbContext.UpdateDatabase();
            }
        }

        app.UseHttpLogging();

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

        //app.UseHttpsRedirection();

        app.UseMiddleware<SessionidMappingMiddleware>();
        
        app.UseMiddleware<ShadowverseTranslationMiddleware>();

        app.UseAuthentication();

        app.UseAuthorization();


        app.MapControllers();

        app.Run();
    }
}