using APIFicheros.DTOs;
using bdAsegasa;
using bdAsegasa.db;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.IdentityModel.Tokens;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;
using tsUtilidades;
namespace APIFicheros
{
  
    
    public class Utilidades
    {
        public static string AuthenticateUser(DatosAuth loginDto, IConfiguration _configuration)
        {
            try
            {

                // Generar token JWT
                var jwtSettings = _configuration.GetSection("Jwt");
                var keyBytes = Encoding.UTF8.GetBytes(jwtSettings["Key"]);
                var key = new SymmetricSecurityKey(keyBytes);
                var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);


                var claims = new List<Claim>
       {
           new Claim("usu", "1"),
           new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString())
       };


                var expiration = DateTime.UtcNow.AddMinutes(int.Parse(jwtSettings["ExpireMinutes"]));

                var token = new JwtSecurityToken(
           issuer: jwtSettings["Issuer"],
           audience: jwtSettings["Audience"],
           claims: claims,
           expires: expiration,
           signingCredentials: creds
       );

                var tokenString = new JwtSecurityTokenHandler().WriteToken(token);

                return tokenString;
            }
            catch (Exception ex)
            {
                throw new Exception($"Error en la autenticación: {ex.Message}");
            }
        }


        public static int guardarFichero(bdAsegasa.tscgestionasegasa bd, byte[] fichero,string nombreFichero ,string descripcion)
        {
            int idFichero = 0;

            try
            {

                ficheros nuevoFichero = new ficheros();


                nuevoFichero.Fichero = fichero;
                nuevoFichero.NombreFichero = nombreFichero;
                nuevoFichero.Descripcion = descripcion;



                bd.ficheros.Add(nuevoFichero);

                bd.SaveChanges();


                idFichero = nuevoFichero.idFichero;
                return idFichero;

            }
            catch (Exception ex) {

                throw new Exception("Excepción: " + ex.Message);
            }

        }
    }
}