Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Microsoft.EntityFrameworkCore;
using Capstone_Connect.Data;
using Microsoft.AspNetCore.Authentication;
using Capstone_Connect.Handler;
using Microsoft.AspNetCore.Authentication.OAuth;
using Capstone_Connect.Helper;

var builder = WebApplication.CreateBuilder(args);



// Add services to the container.
builder.Services.AddCors();
builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services.AddDbContext<CapstoneConnectDBContext>(options => options.UseSqlite(builder.Configuration["Capstone_ConnectConnection"]));
builder.Services.AddScoped<ICapstoneConnectRepo, DBCapstoneConnectRepo>();
builder.Services.AddAuthentication().AddScheme<AuthenticationSchemeOptions, AuthHandler>("AuthScheme", null);

builder.Services.AddAuthorization(options =>
{
    options.AddPolicy("AdminOnly", policy => policy.RequireClaim("Admin"));
    options.AddPolicy("StudentOnly", policy => policy.RequireClaim("Student"));
    options.AddPolicy("VisitorMinimum", policy => policy.RequireClaim("Visitor", "Default", "Student", "Admin"));
});

var app = builder.Build();

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

app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();

app.UseCors(builder =>
{
    builder.AllowAnyOrigin()
           .AllowAnyMethod()
           .AllowAnyHeader();
});
app.UseAuthentication();
app.UseAuthorization();
app.MapControllers();

app.Run();