Program.cs

using AnimalesPerdidos.Data;
using AnimalesPerdidos.Model.Entities;
using AnimalesPerdidos.Services.Implementations;
using AnimalesPerdidos.Services.Interfaces;
using AnimalesPerdidos.Utils;
using Azure.Storage.Blobs;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using System.Text;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

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 = "Tu API", Version = "v1" });

    // Definir el esquema de seguridad para JWT Bearer
    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
    {
        Name = "Authorization",
        Type = SecuritySchemeType.ApiKey,
        Scheme = "Bearer",
        BearerFormat = "JWT",
        In = ParameterLocation.Header,
        Description = "Ingrese 'Bearer' seguido de un espacio y el token JWT.\nEjemplo: \"Bearer abc123def456\""
    });

    // Requerir el esquema Bearer para todas las operaciones
    c.AddSecurityRequirement(new OpenApiSecurityRequirement
    {
        {
            new OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type = ReferenceType.SecurityScheme,
                    Id = "Bearer"
                }
            },
            Array.Empty<string>()
        }
    });
});
builder.Services.AddDbContext<ApplicationDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddCors(options =>
{
    options.AddPolicy("AllowFrontend",
        policy =>
        {
            policy.WithOrigins("http://localhost:3000") // tu frontend
                  .AllowAnyHeader()
                  .AllowAnyMethod()
                  .AllowCredentials();
        });
});

builder.Services.AddIdentity<ApplicationUser, IdentityRole<Guid>>(options =>
{
    options.Password.RequiredLength = 6;
    options.Password.RequireNonAlphanumeric = false;
    options.Password.RequireUppercase = false;
})
.AddEntityFrameworkStores<ApplicationDbContext>()
.AddDefaultTokenProviders();

builder.Services.AddSingleton(x =>
    new BlobServiceClient(builder.Configuration.GetConnectionString("AzureBlobStorage")));


var jwtSection = builder.Configuration.GetSection("JwtSettings");
var key = jwtSection.GetValue<string>("SecretKey");

if (string.IsNullOrEmpty(key))
{
    throw new InvalidOperationException("JWT Key is missing in configuration.");
}

builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuer = true,
        ValidateAudience = true,
        ValidateLifetime = true,
        ValidateIssuerSigningKey = true,
        ValidIssuer = jwtSection["Issuer"],
        ValidAudience = jwtSection["Audience"],
        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key))
    };
});

builder.Services.AddHttpContextAccessor();
builder.Services.AddHttpClient();



builder.Services.AddScoped<IAuthService, AuthService>();
builder.Services.AddScoped<IPublicacionService, PublicacionService>();
builder.Services.AddScoped<IImageStorage, AzureBlobImageStorage>();
builder.Services.AddScoped<ISpamGuard, RecaptchaSpamGuardService>();



var app = builder.Build();

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

app.UseCors("AllowFrontend");

app.UseHttpsRedirection();

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

app.MapControllers();

app.Run();