Program.cs

using Microsoft.Extensions.Options;
using MongoDB.Driver;
using pharmacyManagement.Database;
using pharmacyManagement.Services;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.Configure<DatabaseSettings>(
    builder.Configuration.GetSection("PharmacyDatabase"));

builder.Services.AddSingleton<IMongoClient>(sp =>
{
    var settings = sp.GetRequiredService<IOptions<DatabaseSettings>>().Value;
    return new MongoClient(settings.ConnectionString);
});

builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddSingleton<IdGeneratorService>();
builder.Services.AddSingleton<UserService>();
builder.Services.AddSingleton<DoctorService>();
builder.Services.AddSingleton<PatientService>();
builder.Services.AddSingleton<MedicineService>();
builder.Services.AddSingleton<ManagementServices>();
builder.Services.AddSingleton<CategoryService>();
builder.Services.AddSingleton<InventoryServices>();
builder.Services.AddSingleton<SupplierService>();  
builder.Services.AddSingleton<AutoHistoryLogger>();
builder.Services.AddSingleton<HistoryServices>(); 
builder.Services.AddSingleton<IMongoSetupService, MongoSetupService>();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();


var app = builder.Build();
var scope = app.Services.CreateScope();
var services = scope.ServiceProvider;

var mongoSetupService = services.GetRequiredService<IMongoSetupService>();
var mongoClient = services.GetRequiredService<IMongoClient>();

var options = services.GetRequiredService<IOptions<DatabaseSettings>>();

var databaseName = options.Value.DatabaseName;
var database = mongoClient.GetDatabase(databaseName);
await mongoSetupService.EnablePreImagesAsync(database,options.Value.DoctorCollection);
await mongoSetupService.EnablePreImagesAsync(database,options.Value.PatientCollection);
await mongoSetupService.EnablePreImagesAsync(database, options.Value.DrugCollection);
await mongoSetupService.EnablePreImagesAsync(database, options.Value.UserCollection);
await mongoSetupService.EnablePreImagesAsync(database,options.Value.InventoryHistoryCollection);    
await mongoSetupService.EnablePreImagesAsync(database, options.Value.InventoryCollection);
await mongoSetupService.EnablePreImagesAsync(database, options.Value.SalesCollection);
//await mongoSetupService.EnablePreImagesAsync(database, options.Value.SalesDetailsCollection);
//await mongoSetupService.EnablePreImagesAsync(database, options.Value.PurchaseCollection);
//await mongoSetupService.EnablePreImagesAsync(database, options.Value.PurchaseDetailsCollection);*/

var historyLogger = app.Services.GetRequiredService<AutoHistoryLogger>();
//historyLogger.StartListening();


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

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.Run();