Program.cs

using AutoMapper;
using dotenv.net;
using InvestSense_API;
using InvestSense_API.Data;
using InvestSense_API.Models;
using InvestSense_API.Repository;
using InvestSense_API.Services;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;


DotEnv.Load();
var builder = WebApplication.CreateBuilder(args);


builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var dbConnectionString = Environment.GetEnvironmentVariable("DEFAULT_CONNECTION");

builder.Services.AddDbContext<ApplicationDbContext>(options =>
{
    options.UseMySql(dbConnectionString, ServerVersion.AutoDetect(dbConnectionString));
});

IMapper Mapper = MappingConfig.RegisterMaps().CreateMapper();
builder.Services.AddSingleton(Mapper);
builder.Services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());

builder.Services.AddScoped<IStockRepository, StockRepository>();
builder.Services.AddScoped<IPortfolioRepository, PortfolioRepository>();
builder.Services.AddScoped<ICommentRepository, CommentRepository>();
builder.Services.AddScoped<IFMP, FMP>();
builder.Services.AddScoped<IAuthentication, Authentication>();
builder.Services.AddScoped<ITokenService, TokenService>();
builder.Services.AddHttpClient<IFMP, FMP>();

builder.Services.AddControllers().AddNewtonsoftJson(options =>
{
    options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
});

builder.Services.AddIdentity<AppUser, IdentityRole>(options =>
{
    options.Password.RequireDigit = true;
    options.Password.RequireLowercase = true;
    options.Password.RequireNonAlphanumeric = true;
    options.Password.RequiredLength = 8;
})
.AddEntityFrameworkStores<ApplicationDbContext>();

// Load JWT values from env
var jwtIssuer = Environment.GetEnvironmentVariable("JWT_ISSUER");
var jwtAudience = Environment.GetEnvironmentVariable("JWT_AUDIENCE");
var jwtSigningKey = Environment.GetEnvironmentVariable("JWT_SIGNING_KEY");

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme =
    options.DefaultChallengeScheme =
    options.DefaultForbidScheme =
    options.DefaultScheme =
    options.DefaultSignInScheme =
    options.DefaultSignOutScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuer = true,
        ValidIssuer = jwtIssuer,
        ValidateAudience = true,
        ValidAudience = jwtAudience,
        IssuerSigningKey = new SymmetricSecurityKey(
            System.Text.Encoding.UTF8.GetBytes(jwtSigningKey))
    };
});

var app = builder.Build();

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

string frontendurl = Environment.GetEnvironmentVariable("FRONTEND_URL") ?? "http://localhost:3000";

app.UseCors(options => options
 .WithOrigins(frontendurl)
    .AllowAnyHeader()
    .AllowAnyMethod()
    .AllowCredentials());

app.UseAuthentication();
app.UseAuthorization();

app.MapControllers();
app.MapGet("/",()=> "running");
app.Run();