using System.Collections.Generic;
using System.IO;
using System.Linq;
using JD.Core.ProjectManaging;
using NUnit.Framework;

using Packager.Parameters;

using PluginCommon.Bundle;
using Ubisoft.Collections;

namespace Packager.Tasks
{
    public class ExtractFilesFromBundleTask : Task
    {
        [Input("Bundle Directory", IOCardinality.Single, IOType.String)]
        public SingleReference InputdirectoryPath { get; set; }

        [Input("Path to Files containing the files to extract", IOCardinality.Multi, IOType.String)]
        public ReferenceList FileNames { get; set; }

        [Output("Output FileList", IOType.String)]
        public ReferenceList ExtractedFileList = new ReferenceList();

        private readonly List<string> _filesToExtract = new List<string>();

        public ExtractFilesFromBundleTask()
        {
            FileNames = new ReferenceList();
            InputdirectoryPath = new SingleReference();
        }

        protected override void StartInternal(BuildConfiguration profile, cookerWrapper cooker)
        {
            FileNames.ForEach(x =>
            {
                _filesToExtract.AddRange(File.ReadAllLines(x));
            });

            var bundleDirectory = new DirectoryInfo(InputdirectoryPath.Value);
            var bundleList =
                bundleDirectory.GetFiles().Where(x => x.Name.EndsWith(".ipk")).Select(x => new Bundle(x.FullName)).ToList();

            _filesToExtract.ForEach(file =>
            {
                foreach (var bundle in bundleList)
                {
                    if (IsFileInBundle(file, bundle))
                    {
                        ExtractFilesFromBundle(file, bundle);
                        break;
                    }
                }
            });
            bundleList.ForEach(x => x.Dispose());
        }

        private bool IsFileInBundle(string file, Bundle bundle)
        {
            return bundle.FileList.Contains(file);
        }

        private void ExtractFilesFromBundle(string file, Bundle bundle)
        {
            var fileHeader = bundle.GetFileHeader(file);
            var outputFile = Path.Combine(TaskOutputFolder, file);
            var fileDirectory = Path.GetDirectoryName(outputFile);

            if (!Directory.Exists(fileDirectory))
            {
                Directory.CreateDirectory(fileDirectory);
            }

            using (var fileStream = new StreamReader(bundle.OpenFile(fileHeader)))
            {
                var data = fileStream.ReadToEnd();
                File.WriteAllText(outputFile, data);
                ExtractedFileList.Add(outputFile);
            }
        }
    }

    [TestFixture]
    [Ignore("")]
    public class TestExtractFilesFromBundles
    {
        private readonly ExtractFilesFromBundleTask _extractFilesFromBundle = new ExtractFilesFromBundleTask();

        private const string FileName = "filesToExtract.txt";

        private void CreateFile(List<string> fileData)
        {
            System.IO.File.WriteAllLines(FileName, fileData);
            _extractFilesFromBundle.FileNames.Add(FileName);
        }

        private void CleanUp()
        {
            File.Delete(FileName);
        }

        [Test]
        public void TestCanExtractFilesFromBundle()
        {
            var extractFileList = new List<string>
            {
                "cache/itf_cooked/pc/enginedata/gameconfig/gc_carousel_rules.json.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/localisationtrc.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/padrumbleconfig.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/rewardlist.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/soundconfig.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/statsconfig.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/textconfig.isg.ckd",
                "cache/itf_cooked/pc/enginedata/gameconfig/zinput.isg.ckd",
                "cache/itf_cooked/pc/world/ui/objects/challenge_taunt_item/tuto/animations/fade_out.tape.ckd",
                "cache/itf_cooked/pc/world/ui/objects/dancer_profile_creation_avatar_item/animations/fade_out.tape.ckd",
                "cache/itf_cooked/pc/world/ui/objects/playlist_edition_control/common/animations/fade_out.tape.ckd"
            };
            CreateFile(extractFileList);
            _extractFilesFromBundle.InputdirectoryPath
                .Value =Path.Combine(ProjectManager.Instance.CurrentProject.DataPath ,@"output\Pc_GameBundle");

            ConfigureTask();

            _extractFilesFromBundle.StartTaskTest();
            Assert.IsTrue(_extractFilesFromBundle.ExtractedFileList.Count == 11);
            CleanUp();
        }

        private void ConfigureTask()
        {
            _extractFilesFromBundle.TaskFolder = Path.Combine(DataPath.GetAbsolutePath("output"), "temp", "Test");
            _extractFilesFromBundle.TaskOutputFolder = "Outputs";

            if (!Directory.Exists(_extractFilesFromBundle.TaskOutputFolder))
                Directory.CreateDirectory(_extractFilesFromBundle.TaskOutputFolder);
        }
    }
}