using Core.Blueprint.Application.UsesCases.Mongo.Input;
using Core.Blueprint.Application.UsesCases.Mongo.Ports;
using Core.Blueprint.Service.External.Clients;
using Core.Blueprint.Service.External.Clients.Adapters;
using Core.Blueprint.Service.External.Clients.Requests;
using FluentValidation;
using Lib.Architecture.BuildingBlocks;
using Lib.Architecture.BuildingBlocks.Helpers;

namespace Core.Cerberos.Application.UseCases.Blueprints
{
    public class MongoHandler :
        IComponentHandler<CreateBlueprintRequest>,
        IComponentHandler<GetBlueprintRequest>,
        IComponentHandler<GetAllBlueprintsRequest>,
        IComponentHandler<UpdateBlueprintRequest>,
        IComponentHandler<DeleteBlueprintRequest>
    {
        private readonly IMongoPort _port;
        private readonly IValidator<CreateBlueprintRequest> _createBlueprintValidator;
        private readonly IValidator<GetBlueprintRequest> _getBlueprintValidator;
        private readonly IValidator<UpdateBlueprintRequest> _updateBlueprintValidator;
        private readonly IValidator<DeleteBlueprintRequest> _deleteBlueprintValidator;
        private readonly IBlueprintServiceClient _mongoDALService;

        public MongoHandler(
            IMongoPort port,
            IValidator<CreateBlueprintRequest> createBlueprintValidator,
            IValidator<GetBlueprintRequest> getBlueprintValidator,
            IValidator<UpdateBlueprintRequest> updateBlueprintValidator,
            IValidator<DeleteBlueprintRequest> deleteBlueprintValidator,
            IBlueprintServiceClient mongoDALService)
        {
            _port = port ?? throw new ArgumentNullException(nameof(port));
            _createBlueprintValidator = createBlueprintValidator ?? throw new ArgumentNullException(nameof(createBlueprintValidator));
            _getBlueprintValidator = getBlueprintValidator ?? throw new ArgumentNullException(nameof(getBlueprintValidator));
            _updateBlueprintValidator = updateBlueprintValidator ?? throw new ArgumentNullException(nameof(updateBlueprintValidator));
            _deleteBlueprintValidator = deleteBlueprintValidator ?? throw new ArgumentNullException(nameof(deleteBlueprintValidator));
            _mongoDALService = mongoDALService ?? throw new ArgumentNullException(nameof(mongoDALService));
        }

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

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

                var request = new BlueprintRequest
                {
                    Name = command.Name,
                    Description = command.Description,
                };

                var result = await _mongoDALService.CreateBlueprintAsync(request, cancellationToken).ConfigureAwait(false);

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

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

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

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

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

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

                var result = await _mongoDALService.GetBlueprintByIdAsync(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(UpdateBlueprintRequest command, CancellationToken cancellationToken = default)
        {
            try
            {
                ArgumentNullException.ThrowIfNull(command);

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

                var request = new BlueprintAdapter
                {
                    Id = command.Id,
                    _Id = command._Id,
                    Name = command.Name,
                    Description = command.Description,
                    CreatedAt = command.CreatedAt,
                    CreatedBy = command.CreatedBy,
                    UpdatedAt = command.UpdatedAt,
                    UpdatedBy = command.UpdatedBy,
                    Status = command.Status
                };

                string _id = command._Id;

                var result = await _mongoDALService.UpdateBlueprintAsync(_id, request, cancellationToken).ConfigureAwait(false);

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

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


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

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

                var result = await _mongoDALService.DeleteBlueprintAsync(command._Id, cancellationToken).ConfigureAwait(false);

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

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