using CalendarReminder.Api.Data;
using CalendarReminder.Api.Services;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;
using System.Text;

var builder = WebApplication.CreateBuilder(args);

// Controllers + OpenAPI
builder.Services.AddControllers();
builder.Services.AddOpenApi();

// MariaDB / EF Core
var connStr = builder.Configuration.GetConnectionString("Default");
builder.Services.AddDbContext<AppDbContext>(options =>
    options.UseMySql(connStr, ServerVersion.AutoDetect(connStr)));

// JWT autentifikácia
var jwtSecret = builder.Configuration["Jwt:Secret"]!;
builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuerSigningKey = true,
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSecret)),
            ValidateIssuer = true,
            ValidIssuer = builder.Configuration["Jwt:Issuer"],
            ValidateAudience = true,
            ValidAudience = builder.Configuration["Jwt:Audience"],
            ValidateLifetime = true
        };
    });
builder.Services.AddAuthorization();

// Services
builder.Services.AddScoped<TokenService>();
builder.Services.AddScoped<EmailService>();
builder.Services.AddHostedService<ReminderNotificationService>();

var app = builder.Build();

// Auto-migrate + seed admin
using (var scope = app.Services.CreateScope())
{
    var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
    db.Database.Migrate();

    if (!db.Users.Any())
    {
        db.Users.Add(new CalendarReminder.Domain.Entities.User
        {
            Username = "admin",
            Email    = "admin@local",
            PasswordHash = BCrypt.Net.BCrypt.HashPassword("admin")
        });
        db.SaveChanges();
    }
}

if (app.Environment.IsDevelopment())
    app.MapOpenApi();

app.UseDefaultFiles();       // servuje index.html z wwwroot
app.UseStaticFiles();        // frontend súbory

app.UseAuthentication();
app.UseAuthorization();
app.MapControllers();
app.Run();