using Microsoft.AspNetCore.Mvc;
using Microsoft.IdentityModel.Tokens;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Text;

namespace API.Controllers
{
    [ApiController]
    [Route("[controller]")]
    public class AuthController : ControllerBase
    {
        private readonly IConfiguration _configuration;

        public AuthController(IConfiguration configuration)
        {
            _configuration = configuration;
        }

        [HttpPost]
        [Route("token")]
        public IActionResult GetToken()
        {
            var tokenHandler = new JwtSecurityTokenHandler();
            var key = Encoding.ASCII.GetBytes(_configuration["JwtTokenSettings:SymmetricSecurityKey"]);
            var tokenDescriptor = new SecurityTokenDescriptor
            {
                Subject = new ClaimsIdentity(new Claim[]
                {
            new Claim(ClaimTypes.Name, "User1"),
                }),
                Expires = DateTime.UtcNow.AddHours(1),
                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature),
                Audience = _configuration["JwtTokenSettings:ValidAudience"],
                Issuer = _configuration["JwtTokenSettings:ValidIssuer"]
            };
            var token = tokenHandler.CreateToken(tokenDescriptor);
            var tokenString = tokenHandler.WriteToken(token);

            return Ok(new { Token = tokenString });
        }

    }
}