Program.cs

using dotnetapp.Data;
using dotnetapp.Models;
using dotnetapp.Services;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Identity;
using System.Text.Encodings.Web;
using System.Text.Json;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;
using System.Text;
using System.Text.Json.Serialization;
using Microsoft.OpenApi.Models;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseSqlServer(builder.Configuration.GetConnectionString("AzureSQL")));
builder.Services.AddIdentity<ApplicationUser, IdentityRole>().AddEntityFrameworkStores<ApplicationDbContext>();



builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(c =>
{
    // c.SwaggerDoc("v1", new OpenApiInfo
    // {
    //     Title = "JWTToken_Auth_API",
    //     Version = "v1"
    // });
    //For Jwt Token
    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme()
    {
        Name = "Authorization",
        Type = SecuritySchemeType.ApiKey,
        Scheme = "Bearer",
        BearerFormat = "JWT",
        In = ParameterLocation.Header,
        Description = "JWT Authorization header using the Bearer scheme. \r\n\r\n Enter 'Bearer' [space] and then your token in the text input below.\r\n\r\nExample: \"Bearer 1safsfsdfdfd\"",
    });
    c.AddSecurityRequirement(new OpenApiSecurityRequirement {
        {
            new OpenApiSecurityScheme {
                Reference = new OpenApiReference {
                    Type = ReferenceType.SecurityScheme,
                        Id = "Bearer"
                }
            },
            new string[] {}
        }
    });
});
builder.Services.AddScoped<FeedbackService>();
builder.Services.AddScoped<LivestockService>();
builder.Services.AddScoped<MedicineService>();
builder.Services.AddScoped<FeedService>();
builder.Services.AddScoped<RequestService>();

//Authentication
builder.Services.AddScoped<IAuthService, AuthService>();

builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateIssuerSigningKey = true,
            ValidIssuer = builder.Configuration["Jwt:Issuer"],
            ValidAudience = builder.Configuration["Jwt:Issuer"],
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(builder.Configuration["Jwt:Key"]))
        };
    });

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
});

builder.Services.AddControllersWithViews().AddJsonOptions(options =>
{
    options.JsonSerializerOptions.PropertyNamingPolicy = null;
    options.JsonSerializerOptions.ReferenceHandler = ReferenceHandler.IgnoreCycles;
});

builder.Services.AddCors(options =>
{
    options.AddDefaultPolicy(
        builder =>
        {
            builder.AllowAnyOrigin()
                   .AllowAnyMethod()
                   .AllowAnyHeader();
        });
});


var app = builder.Build();

using (var scope = app.Services.CreateScope())
{
    var dbContext = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
    var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();

    if (await dbContext.Database.CanConnectAsync())
    {
        logger.LogInformation("✅ Successfully connected to Database.");
    }
    else
    {
        logger.LogError("❌ Failed to connect to Database.");
    }
}


// Configure the HTTP request pipeline.
// if (app.Environment.IsDevelopment())
// {
//     app.UseSwagger();
//     app.UseSwaggerUI();
// }
app.UseSwagger();
app.UseSwaggerUI(c =>
{
    c.SwaggerEndpoint("/swagger/v1/swagger.json", "FarmConnect API v1");
    c.RoutePrefix = "swagger"; // Optional: keeps the URL clean at /swagger
});
app.UseCors();
app.UseHttpsRedirection();

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

app.MapControllers();

app.Run();