using System;
using Newtonsoft.Json;
using LCU.Library.Internal.FileOperationsModels.Models;
using LCU.Library.Internal.LCUServiceFactory.Configurations;
using LCU.Api.Internal.FileOperations.Validations;
namespace LCU.Api.Internal.FileOperations.Services.FileActionServices;

public class DecryptFileDataService : FileActionService, IFileActionService, IActionService<DecryptFileDataRequest>
{
	public DecryptFileDataService(ServicesFactoryConfiguration servicesFactoryConfiguration)
        : base(servicesFactoryConfiguration)
	{
	}

	public RequestResponse ExecuteAction(QueueRequest queueRequest)
    {
        var requestResponse = new RequestResponse();
        try
        {
            var request = JsonConvert.DeserializeObject<DecryptFileDataRequest>(queueRequest.Request);
            requestResponse = PerformRequest(request);
            requestResponse.ReturnResponse = request;
            return requestResponse;
        }
        catch (Exception exception)
        {
            return RequestResponseHelper.ExceptionUpdateRequestResponse(requestResponse,
                                                                   queueRequest.FileOperationType,
                                                                   exception.Message);
        }
    }

    public RequestResponse PerformRequest(DecryptFileDataRequest request)
    {
        return OperationService.PerformOperation(request, IsRequestValid, ExecuteRequestAction);
    }

    private void ExecuteRequestAction(DecryptFileDataRequest request)
    {
        try
        {
            CryptoHelper.DecryptPgpFile(request.Source, request.Destination, request.KeySource, request.PassPhrase);
        }
        catch (Exception exception)
        {
            throw new Exception($"Exception thrown while trying to ExecuteRequestAction. " +
                                $"Request: {JsonConvert.SerializeObject(request)}" +
                                $"ExceptionMessage: {exception.Message}");
        }
    }

    public RequestResponse PreQueueValidation(DecryptFileDataRequest originalRequest)
    {
        var requestResponse = new RequestResponse();
        requestResponse = IsRequestValid(originalRequest, requestResponse);
        return requestResponse;
    }

    public RequestResponse IsRequestValid(DecryptFileDataRequest fileRequest, RequestResponse requestResponse)
    {
        requestResponse = FileValidation.ValidateDirectoryExists(fileRequest.SourcePath, requestResponse);
        requestResponse = FileValidation.ValidateDirectoryExists(fileRequest.DestinationPath, requestResponse);
        requestResponse = FileValidation.ValidateDirectoryExists(fileRequest.KeySourcePath, requestResponse);
        requestResponse = FileValidation.ValidateFileExists(fileRequest.Source, requestResponse);
        requestResponse = FileValidation.ValidateFileExists(fileRequest.KeySource, requestResponse);
        return requestResponse;
    }
}