Program.cs

using Cuttlefish.Data;
using Cuttlefish.EmailService.Utility;
using Cuttlefish.Models;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.IdentityModel.Tokens;
using System.Text;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();
builder.Services.AddEndpointsApiExplorer();

string connectionString = builder.Configuration.GetConnectionString("default");
builder.Services.AddDbContext<ApplicationDbContext>(c => c.UseSqlServer(connectionString));
builder.Services.AddSwaggerGen();


builder.Services.AddCors();

builder.Services.AddScoped<IEmailService, EmailService>();

builder.Services.AddAuthentication(x =>
{
    x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;

}).AddJwtBearer(x =>
{
    x.RequireHttpsMetadata = false;
    x.SaveToken = true;
    x.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuerSigningKey = true,
        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("secretkeygoeshere")),
        ValidateAudience = false,
        ValidateIssuer = false,
        ValidateLifetime = true,
        ClockSkew = TimeSpan.Zero // used to match the time of the token

    };
});
var app = builder.Build();

app.UseCors(options => options.WithOrigins(builder.Configuration.GetValue<string>("url")).AllowAnyMethod().AllowAnyHeader());


// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    // for verifiying http requests without frontend
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.UseStaticFiles();


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

app.MapControllers();
app.MapControllerRoute(
    name: "default",
    pattern: "{controller}/{action=Index}/{id?}");

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

app.Run();