using Core.Thalos.Application.UseCases.Users.Input;
using Core.Thalos.Application.UseCases.Users.Ports;
using Core.Thalos.BuildingBlocks;
using Core.Thalos.External.Clients;
using Core.Thalos.External.Clients.Requests;
using FluentValidation;
using Lib.Architecture.BuildingBlocks;
using Lib.Architecture.BuildingBlocks.Helpers;
namespace Core.Thalos.Application.UseCases.Users
{
    public class UserHandler :
        IComponentHandler<ChangeUserStatusRequest>,
        IComponentHandler<GetAllUsersRequest>,
        IComponentHandler<UpdateUserRequest>,
        IComponentHandler<DeleteUserRequest>,
        IComponentHandler<GetUserRequest>,
        IComponentHandler<GetUserByEmailRequest>,
        IComponentHandler<CreateUserRequest>,
        IComponentHandler<LoginUserRequest>,
        IComponentHandler<LogoutUserRequest>,
        IComponentHandler<ValidateUserExistenceRequest>,
        IComponentHandler<GetTokenAdapterRequest>
    {
        private readonly IUserPort _port;
        private readonly IValidator<ChangeUserStatusRequest> _changeUserStatusValidator;
        private readonly IValidator<CreateUserRequest> _registerUserValidator;
        private readonly IValidator<UpdateUserRequest> _updateUserValidator;
        private readonly IThalosServiceClient _thalosDALService;

        public UserHandler(
            IUserPort port,
            IValidator<ChangeUserStatusRequest> changeUserStatusValidator,
            IValidator<CreateUserRequest> registerUserValidator,
            IValidator<UpdateUserRequest> updateUserValidator,
            IThalosServiceClient thalosDALService)
        {
            _port = port ?? throw new ArgumentNullException(nameof(port));
            _changeUserStatusValidator = changeUserStatusValidator ?? throw new ArgumentNullException(nameof(changeUserStatusValidator));
            _registerUserValidator = registerUserValidator ?? throw new ArgumentNullException(nameof(registerUserValidator));
            _updateUserValidator = updateUserValidator ?? throw new ArgumentNullException(nameof(updateUserValidator));
            _thalosDALService = thalosDALService ?? throw new ArgumentNullException(nameof(thalosDALService));
        }

        public async ValueTask ExecuteAsync(GetUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.GetUserByIdAsync(command._Id, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(DeleteUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.DeleteUserAsync(command._Id, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(GetUserByEmailRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.GetUserByEmailAsync(command.Email, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(ValidateUserExistenceRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.ValidateUserExistence(command.Email, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(GetAllUsersRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var _result = await _thalosDALService.GetAllUsersAsync().ConfigureAwait(false);
                if (!_result.Any())
                {
                    _port.NoContentSuccess();
                    return;
                }
                _port.Success(_result.ToList());
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(ChangeUserStatusRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                if (!command.IsValid(_changeUserStatusValidator))
                {
                    _port.ValidationErrors(command.Notifications);
                    return;
                }

                var result = await _thalosDALService.ChangeUserStatusAsync(command._Id, command.Status, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(CreateUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                if (!command.IsValid(_registerUserValidator))
                {
                    _port.ValidationErrors(command.Notifications);
                    return;
                }

                var request = new UserRequest
                {
                    Email = command.Email,
                    Name = command.Name,
                    MiddleName = command.MiddleName,
                    LastName = command.LastName,
                    RoleId = command.RoleId,
                    TenantId = command.TenantId,
                };

                var result = await _thalosDALService.CreateUserAsync(request, command.SendInvitation, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(UpdateUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                if (!command.IsValid(_updateUserValidator))
                {
                    _port.ValidationErrors(command.Notifications);
                    return;
                }

                var request = new UserAdapter
                {
                    _Id = command._Id,
                    Email = command.Email,
                    Name = command.Name,
                    MiddleName = command.MiddleName,
                    LastName = command.LastName,
                    RoleId = command.RoleId,
                    TenantId = command.TenantId
                };

                var result = await _thalosDALService.UpdateUserAsync(request, request._Id, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(LoginUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.LoginUserAsync(command.Email, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(LogoutUserRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.LogoutUserAsync(command.Email, cancellationToken).ConfigureAwait(false);

                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }

        public async ValueTask ExecuteAsync(GetTokenAdapterRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

                var result = await _thalosDALService.GetTokenAdapter(command.Email, cancellationToken).ConfigureAwait(false);


                if (result == null)
                {
                    _port.NoContentSuccess();
                    return;
                }

                _port.Success(result);
            }
            catch (Exception ex)
            {
                ApiResponseHelper.EvaluatePort(ex, _port);
            }
        }
    }
}