using System;
using System.IO;
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 RenameFileService : FileActionService, IFileActionService, IActionService<RenameFileRequest>
{
	public RenameFileService(ServicesFactoryConfiguration servicesFactoryConfiguration)
        : base(servicesFactoryConfiguration)
	{
	}

	public RequestResponse ExecuteAction(QueueRequest queueRequest)
    {
        var requestResponse = new RequestResponse();
        try
        {
            var fileRequest = JsonConvert.DeserializeObject<RenameFileRequest>(queueRequest.Request);
            requestResponse = PerformRequest(fileRequest);
            if (!requestResponse.IsSuccessful)
            {
                requestResponse.IsSuccessful = fileRequest.SucceedOnError;
                if (fileRequest.SucceedOnError)
                {
                    requestResponse.MessageStack.Add("Succeed On Error is set.");
                }
            }

            requestResponse.ReturnResponse = fileRequest;
            return requestResponse;
        }
        catch (Exception exception)
        {
            return RequestResponseHelper.ExceptionUpdateRequestResponse(requestResponse,
                                                                   queueRequest.FileOperationType,
                                                                   exception.Message);
        }
    }

    public RequestResponse PerformRequest(RenameFileRequest request)
    {
        return OperationService.PerformOperation(request, IsRequestValid, RenameFile);
    }

    private void RenameFile(RenameFileRequest request)
    {
        try
        {
            File.Move(request.Source, request.NewFilenamePath);
        }
        catch (Exception exception)
        {
            throw new Exception($"Exception thrown while trying to ExecuteRequestAction. " +
                                $"Request: {JsonConvert.SerializeObject(request)}" +
                                $"ExceptionMessage: {exception.Message}");
        }
    }

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

    public RequestResponse IsRequestValid(RenameFileRequest fileRequest, RequestResponse requestResponse)
    {
        if (fileRequest.SucceedOnError)
        {
            return requestResponse;
        }

        requestResponse = FileValidation.ValidateSourceNotEmpty(fileRequest.Source, requestResponse);
        requestResponse = FileValidation.ValidateFileExists(fileRequest.Source, requestResponse);

        requestResponse = FileValidation.ValidateFilenameNotEmpty(fileRequest.FinalNewFileName, requestResponse);
        requestResponse = FileValidation.ValidateFilename(fileRequest.FinalNewFileName, requestResponse);
        requestResponse = FileValidation.ValidateFileNotExists(fileRequest.NewFilenamePath, requestResponse);

        return requestResponse;
    }
}