using System;
using System.Collections.Generic;
using System.IO.Compression;
using Newtonsoft.Json;
using LCU.Library.Internal.FileOperationsModels.Models;
using LCU.Library.Internal.FileOperationsModels.Shared;
using LCU.Api.Internal.FileOperations.Validations;
using LCU.Library.Internal.LCUServiceFactory.Configurations;
namespace LCU.Api.Internal.FileOperations.Services.FileActionServices;

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

	public RequestResponse ExecuteAction(QueueRequest queueRequest)
    {
        var requestResponse = new RequestResponse();
        try
        {
            var zipRequest = JsonConvert.DeserializeObject<ZipDirectoryRequest>(queueRequest.Request);
            var requests = BuildDirectoryList(zipRequest);
            requestResponse = FileValidation.ValidateIfAnyRequest(requests, zipRequest.SourceDirectory, requestResponse);
            var result = requestResponse.IsSuccessful;

            foreach (var request in requests)
            {
                var temporaryRequestResponse = PerformRequest(request);
                if (!temporaryRequestResponse.IsSuccessful)
                {
                    requestResponse.IsSuccessful = temporaryRequestResponse.IsSuccessful;
                    requestResponse.MessageStack.AddRange(temporaryRequestResponse.MessageStack);
                }
            }

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

    public RequestResponse PerformRequest(ZipDirectoryRequest request)
    {
        return OperationService.PerformOperation(request, IsRequestValid, ZipDirectory);
    }

    private void ZipDirectory(ZipDirectoryRequest request)
    {
        try
        {
            ZipFile.CreateFromDirectory(request.SourceDirectory, request.ZipDestination);
        }
        catch (Exception exception)
        {
            throw new Exception($"Exception thrown while trying to ExecuteRequestAction. " +
                                $"Request: {JsonConvert.SerializeObject(request)}" +
                                $"ExceptionMessage: {exception.Message}");
        }
    }

    public RequestResponse PreQueueValidation(ZipDirectoryRequest originalRequest)
    {
        var requestResponse = new RequestResponse();
        var requestList = BuildDirectoryList(originalRequest);
        requestResponse = FileValidation.ValidateIfAnyRequest(requestList, originalRequest.FormattedSourceDirectory, requestResponse);
        foreach (var request in requestList)
        {
            requestResponse = IsRequestValid(request, requestResponse);
        }

        return requestResponse;
    }

    public List<ZipDirectoryRequest> BuildDirectoryList(ZipDirectoryRequest originalRequest)
    {
        var nameList = RegexNameHandler.BuildDirectoryList(originalRequest.SourceDirectory,
                                                            originalRequest.DynamicDirectoryName,
                                                            originalRequest.FileNameSetting);

        var requests = new List<ZipDirectoryRequest>();

        foreach (var name in nameList)
        {
            var newRequest = Clone.DeepClone(originalRequest);
            newRequest.DirectoryName = name;
            newRequest.SourceDirectory = String.IsNullOrWhiteSpace(newRequest.DirectoryName) ?
                                                originalRequest.SourceDirectory :
                                                $"{originalRequest.FormattedSourceDirectory}{newRequest.DirectoryName}";

            requests.Add(newRequest);
        }

        return requests;
    }

    public RequestResponse IsRequestValid(ZipDirectoryRequest fileRequest, RequestResponse requestResponse)
    {
        requestResponse = DirectoryValidation.ValidateDirectoryExists(fileRequest.SourceDirectory, requestResponse);
        requestResponse = DirectoryValidation.ValidateDirectoryExists(fileRequest.ZipPath, requestResponse);
        requestResponse = FileValidation.ValidateFileNotExists(fileRequest.ZipDestination, requestResponse);
        return requestResponse;
    }
}