using Abp.Json;
using AutoMapper;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
using System;
using System.IdentityModel.Tokens.Jwt;
using System.Net;
using System.Security.Claims;
using System.Text;
using UnivateProperties_API.Containers.Users;
using UnivateProperties_API.Containers.Users.Simple;
using UnivateProperties_API.Helpers;
using UnivateProperties_API.Model.Users;
using UnivateProperties_API.Repository.Users;

namespace UnivateProperties_API.Controllers.Users
{
    [Route("api/[controller]")]
    [ApiController]
    public class RegisterController : ControllerBase
    {
        private readonly IRegisterRepository _Repo;
        private readonly IMapper _mapper;
        private readonly AppSettings _appSettings;

        public RegisterController(IRegisterRepository repo, IMapper mapper, IOptions<AppSettings> appSettings)
        {
            _Repo = repo;
            _mapper = mapper;
            _appSettings = appSettings.Value;
        }

        //Works
        [AllowAnonymous]
        [HttpPost("authenticate")]
        public IActionResult Authenticate([FromBody]UserDto userDto)
        {
            try
            {
                var user = _Repo.Authenticate(userDto.Username, userDto.Password);


                if (user == null)
                    return BadRequest(new { message = "Username or password is incorrect" }); 

                var tokenHandler = new JwtSecurityTokenHandler();
                var key = Encoding.ASCII.GetBytes(_appSettings.Secret);
                var tokenDescriptor = new SecurityTokenDescriptor
                {
                    Subject = new ClaimsIdentity(new Claim[]
                    {
                    new Claim(ClaimTypes.Name, user.Id.ToString()),
                    new Claim(ClaimTypes.Role, user.Role)
                    }),
                    Expires = DateTime.UtcNow.AddMinutes(15),
                    SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
                };
                var token = tokenHandler.CreateToken(tokenDescriptor);
                SimpleItem item = new SimpleItem()
                {
                    User = new SimpleUserDto()
                    {
                        Id = user.Id,
                        Role = user.Role,
                        Username = user.Username,
                        LoginPasswordChange = user.LoginPasswordChange
                    },
                    Person = _Repo.UserDetails(user.Id),
                    Token = new SimpleTokenDto()
                    {
                        Token = tokenHandler.WriteToken(token),
                        Expires = tokenDescriptor.Expires.Value
                    }
                };
                // return basic user info (without password) and token to store client side
                return Ok(item);
            }
            catch(Exception ex)
            {
                return StatusCode(401, ex);
            }
            
        }

        //Writes to DB
        [AllowAnonymous]
        [HttpPost("register")]
        public IActionResult Register([FromBody]UserDto individual)
        {
            _mapper.Map<Individual>(individual);

            try
            {
                _Repo.CreatePerson(individual, PersonType.Individual, true, null);
                return Ok();
            }
            catch (AppException ex)
            {
                return BadRequest(new { message = ex.Message });
                //return StatusCode(409, ex);
            }
        }

        //Writes to DB
        [AllowAnonymous]
        [HttpPost("forgotPassword/{mail}")]
        public IActionResult ForgotPassword(string mail)
        {
            try
            {
                _Repo.ForgotPasswordMailCheck(mail);
                return Ok();
            }
            catch(Exception ex)
            {
                return BadRequest(new { message = ex.Message });
            }
        }

        //Writes to DB
        [AllowAnonymous]
        [HttpPost("registeragency")]
        public IActionResult RegisterAgency([FromBody]AgencyDto agency)
        {
            // map dto to entity
            _mapper.Map<Agency>(agency);

            try
            {
                // save 
                _Repo.CreateAgency(agency);
                return Ok();
            }
            catch (Exception ex)
            {
                // return error message if there was an exception
                return BadRequest(new { message = ex.Message });
            }
        }

        public class FPTOKEN
        {
            public string token { get; set; }
        }

        [AllowAnonymous]
        [HttpPost("fptoken")]
        public IActionResult GetIndiv([FromBody] FPTOKEN fpToken)
        {
            try
            {
                var indiv = _Repo.GetIndividualByFPToken(fpToken.token);
                return new OkObjectResult(indiv);
            }
            catch (Exception ex)
            {
                return new NoContentResult();
            }
        }

        [AllowAnonymous]
        [HttpPut("passwordUpdate")]
        public IActionResult UpdateUserPassword([FromBody]UserDto userParam)
        {
            if (userParam != null)
            {
                _Repo.UpdatePassword(userParam);
                return Ok();
            }
            else
            {
                return new NoContentResult();
            }
            
            
        }
    }
}