using System.Text;
using line_gestao_api.Data;
using line_gestao_api.Models;
using line_gestao_api.Services;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllers();

builder.Services.Configure<FormOptions>(o =>
{
    o.MultipartBodyLengthLimit = 50_000_000;
});

var corsOrigins = builder.Configuration
    .GetSection("Cors:AllowedOrigins")
    .Get<string[]>()?
    .Where(o => !string.IsNullOrWhiteSpace(o))
    .Select(o => o.Trim())
    .Distinct(StringComparer.OrdinalIgnoreCase)
    .ToArray()
    ?? [];

if (corsOrigins.Length == 0)
{
    corsOrigins = ["http://localhost:4200"];
}

builder.Services.AddCors(options =>
{
    options.AddPolicy("Front", p =>
        p.WithOrigins(corsOrigins)
         .AllowAnyHeader()
         .AllowAnyMethod()
    );
});

builder.Services.AddDbContext<AppDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("Default"))
);

builder.Services.AddHttpContextAccessor();
builder.Services.AddScoped<ITenantProvider, TenantProvider>();
builder.Services.AddScoped<IAuditLogBuilder, AuditLogBuilder>();
builder.Services.AddScoped<IVigenciaNotificationSyncService, VigenciaNotificationSyncService>();
builder.Services.AddScoped<ParcelamentosImportService>();
builder.Services.AddScoped<GeralDashboardInsightsService>();
builder.Services.AddScoped<SpreadsheetImportAuditService>();

builder.Services.AddIdentityCore<ApplicationUser>(options =>
{
    options.Password.RequiredLength = 6;
    options.User.RequireUniqueEmail = false;
})
    .AddRoles<IdentityRole<Guid>>()
    .AddEntityFrameworkStores<AppDbContext>()
    .AddDefaultTokenProviders();

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

var jwtKey = builder.Configuration["Jwt:Key"];
if (string.IsNullOrWhiteSpace(jwtKey))
{
    throw new InvalidOperationException("Configuration 'Jwt:Key' is required.");
}

var issuer = builder.Configuration["Jwt:Issuer"];
var audience = builder.Configuration["Jwt:Audience"];

builder.Services
    .AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,
            ValidIssuer = issuer,
            ValidAudience = audience,
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtKey))
        };
    });

builder.Services.AddAuthorization();

builder.Services.Configure<NotificationOptions>(builder.Configuration.GetSection("Notifications"));
builder.Services.AddHostedService<VigenciaNotificationBackgroundService>();

builder.Services.Configure<SeedOptions>(builder.Configuration.GetSection("Seed"));

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

var useHttpsRedirection = builder.Configuration.GetValue("App:UseHttpsRedirection", !app.Environment.IsDevelopment());
if (useHttpsRedirection)
{
    app.UseHttpsRedirection();
}

app.UseCors("Front");

app.UseAuthentication();
app.UseMiddleware<TenantMiddleware>();
app.UseAuthorization();

await SeedData.EnsureSeedDataAsync(app.Services);

app.MapControllers();
app.MapGet("/health", () => Results.Ok(new { status = "ok" }));

app.Run();