using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newsbot.Collector.Api.Domain.Consts;
using Newsbot.Collector.Domain.Requests;
using Newsbot.Collector.Domain.Response;
using Newsbot.Collector.Domain.Results;
using Newsbot.Collector.Services;

namespace Newsbot.Collector.Api.Controllers.v1;

[ApiController]
[Route("/api/v1/account")]
public class IdentityController : ControllerBase
{
    private readonly ILogger<IdentityController> _logger;
    private readonly IIdentityService _identityService;

    public IdentityController(IIdentityService identityService, ILogger<IdentityController> logger)
    {
        _identityService = identityService;
        _logger = logger;
    }

    [HttpPost("register")]
    public IActionResult Register([FromBody] RegisterUserRequest user)
    {
        if (!ModelState.IsValid)
        {
            return new BadRequestObjectResult(new AuthFailedResponse
            {
                Errors = ModelState.Values
                    .Select(x => x.Errors
                        .Select(y => y.ErrorMessage).FirstOrDefault())
            });
        }
        
        if (user.Email is null)
        {
            return new BadRequestResult();
        }

        if (user.Password is null)
        {
            return new BadRequestResult();
        }

        var response = _identityService.Register(user.Email, user.Password);
        return CheckIfSuccessful(response);
    }

    [HttpPost("login")]
    public IActionResult Login([FromBody] UserLoginRequest request)
    {
        if (request.Email is null)
        {
            return new BadRequestResult();
        }

        if (request.Password is null)
        {
            return new BadRequestResult();
        }

        var response = _identityService.Login(request.Email, request.Password);
        return CheckIfSuccessful(response);
    }

    [HttpPost("refresh")]
    public ActionResult RefreshToken([FromBody] UserRefreshTokenRequest request)
    {
        var response = _identityService.RefreshToken(request.Token ?? "", request.RefreshToken ?? "");
        return CheckIfSuccessful(response);
    }

    [HttpPost("addRole")]
    [Authorize(Roles = Authorization.AdministratorsRole)]
    public ActionResult AddRole([FromBody] AddRoleRequest request)
    {
        try
        {
            _identityService.AddRole(request.RoleName ?? "", request.UserId ?? "");
            return new OkResult();
        }
        catch (Exception ex)
        {
            _logger.LogWarning(ex, "Failed to add role to user");
            return new BadRequestResult();
        }
    }

    private ActionResult CheckIfSuccessful(AuthenticationResult result)
    {
        if (!result.IsSuccessful)
        {
            return new BadRequestObjectResult( new AuthFailedResponse
            {
                Errors = result.ErrorMessage
            });
        }

        return new OkObjectResult(new AuthSuccessfulResponse
        {
            Token = result.Token,
            RefreshToken = result.RefreshToken
        });
    }
}