using HrynCo.NotificationService.DAL.EF;
using HrynCo.NotificationService.Migrator;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Serilog;

Log.Logger = new LoggerConfiguration()
    .WriteTo.Console()
    .CreateBootstrapLogger();

try
{
    Log.Information("🚀 Notification Service Migrator starting...");

    var host = Host.CreateDefaultBuilder(args)
        .UseSerilog((ctx, cfg) => cfg
            .ReadFrom.Configuration(ctx.Configuration)
            .WriteTo.Console())
        .ConfigureServices((ctx, services) =>
        {
            var connectionString = ctx.Configuration["App:ConnectionString"]
                ?? throw new InvalidOperationException("App:ConnectionString is not configured.");

            services.AddNotificationDataAccess(connectionString);
            services.AddScoped<DevelopmentDataSeeder>();
        })
        .Build();

    using var scope = host.Services.CreateScope();
    var db = scope.ServiceProvider.GetRequiredService<NotificationDbContext>();

    Log.Information("Applying migrations...");
    await db.Database.MigrateAsync();
    Log.Information("Migrations applied successfully.");

    var environment = scope.ServiceProvider.GetRequiredService<IHostEnvironment>();
    if (environment.IsDevelopment())
    {
        string serviceName = host.Services.GetRequiredService<IConfiguration>()["DevelopmentSeed:ServiceName"]
                             ?? DevelopmentDataSeeder.DefaultServiceName;

        Log.Information("Seeding development email configuration...");
        var seeder = scope.ServiceProvider.GetRequiredService<DevelopmentDataSeeder>();
        await seeder.SeedAsync(serviceName);
        Log.Information("Development email configuration is ready.");
    }
}
catch (Exception ex)
{
    Log.Fatal(ex, "Migration failed.");
    return 1;
}
finally
{
    await Log.CloseAndFlushAsync();
}

return 0;