using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using JD.Serialization;
using TeaBox.Macros;

namespace JDSongConverter.Tasks
{
    public partial class  Jd2016ToJd5Downgrader
    {   
        internal class ConvertFilesForJd5 : Task
        {
            private readonly XmlSerializer _xmlSerializer = new XmlSerializer();
            private readonly LuaSerializer _luaSerializer = new LuaSerializer();

            public Path AudioSceneFilePath { get; set; }
            public Path TimelineSceneFilePath { get; set; }
            public Path CinematicTplFilePath { get; set; }
            public Path SequenceTapeFilePath { get; set; }

            private enum ActorPosition
            {
                DTape = 0,
                KTape = 1
            }

            public override string Name
            {
                get { return "Convert Scene and TPL files"; }
                set { }
            }

            public override string ProgressText
            {
                get { return "Converting Scene and TPL files"; }
            }

            public override TaskResult Process(IExecutionContext executionContext)
            {
                ConvertAudioSceneFile(AudioSceneFilePath.getAbsolute());
                ConvertTmlSceneFile(TimelineSceneFilePath.getAbsolute());
                ConvertCinematicsTplFile(CinematicTplFilePath.getAbsolute());
                ConvertCinematicSequenceTapeFile(SequenceTapeFilePath.getAbsolute());
                return TaskResult.Ok;
            }

            public void ConvertAudioSceneFile(string audioSceneFilePath)
            {
                Scene audioScene = _xmlSerializer.LoadObjectFromFile(audioSceneFilePath) as Scene;

                List<Actor> actorsToRemove = new List<Actor>();
                foreach (var actor in audioScene.ACTORS)
                {
                    var actorComponents = actor.COMPONENTS;
                    if (actorComponents.Any(x => x.GetType().Name == "TapeCase_Component"))
                    {
                        actorsToRemove.Add(actor);
                    }
                }
                foreach (var actor in actorsToRemove)
                {
                    audioScene.ACTORS.Remove(actor);
                }
                _xmlSerializer.SaveObjectToFile(audioScene, audioSceneFilePath);
            }

            public void ConvertTmlSceneFile(string timelineFilePath)
            {
                Scene timelineScene = _xmlSerializer.LoadObjectFromFile(timelineFilePath) as Scene;
                timelineScene.ACTORS.RemoveAt((int) ActorPosition.KTape);
                Actor actorTomodify = timelineScene.ACTORS[(int) ActorPosition.DTape];
                timelineScene.ACTORS.RemoveAt((int) ActorPosition.DTape);

                actorTomodify.INSTANCEDATAFILE = Path.Empty;
                //var tapeComponent = actorTomodify.COMPONENTS.Where(x => x.GetType().Name == "TapeCase_Component") as ActorComponent;
                //actorTomodify.COMPONENTS.Remove(tapeComponent);
                //actorTomodify.COMPONENTS.Add(new JD_Timeline_Component());
                ChangeLuaFilePath(actorTomodify);

                ChangeUserFriendlyName(actorTomodify);

                timelineScene.ACTORS.Add(actorTomodify);

                _xmlSerializer.SaveObjectToFile(timelineScene, timelineFilePath);
            }

            private static void ChangeUserFriendlyName(Actor actorTomodify)
            {
                var userFirendlyName = actorTomodify.USERFRIENDLY;
                const string patternUserFriendlyName = "_tml_dance";
                const string replacementName = "";
                actorTomodify.USERFRIENDLY = Regex.Replace(userFirendlyName, patternUserFriendlyName, replacementName, RegexOptions.IgnoreCase);
            }

            private static void ChangeLuaFilePath(Actor actorTomodify)
            {
                var luaFilePath = actorTomodify.LUA.ToString();

                const string patternPath = @"Timeline.*";
                const string replacementPath = @"Timeline/timeline.tpl";
                actorTomodify.LUA =
                    new Path(Regex.Replace(luaFilePath, patternPath, replacementPath, RegexOptions.IgnoreCase));
            }

            public void ConvertCinematicsTplFile(string actorTemplateFilePath)
            {
                Regex path = new Regex(@"Path = ""(\w+|\/|\.)+""");
                Regex removeTapeTrack = new Regex(@"TapesRack(.*\s*){18}");
                string fileData = System.IO.File.ReadAllText(actorTemplateFilePath);

                if (path.IsMatch(fileData) && removeTapeTrack.IsMatch(fileData))
                {
                    string tapePath = path.Match(fileData).ToString();
                    fileData = removeTapeTrack.Replace(fileData, "TapePath");

                    fileData = Regex.Replace(fileData, "TapePath", "Tape" + tapePath, RegexOptions.IgnoreCase);
                }

                System.IO.File.WriteAllText(actorTemplateFilePath, fileData);
            }

            public void ConvertCinematicSequenceTapeFile(string tapeFilePath)
            {
                Tape sequenceTape = _luaSerializer.LoadObjectFromFile(tapeFilePath) as Tape;
                var clipsToRemove = sequenceTape.Clips.OfType<HideUserInterfaceClip>().ToList();
                if (clipsToRemove.Any())
                {
                    foreach (var clip in clipsToRemove)
                    {
                        sequenceTape.Clips.Remove(clip);
                    }
                }
                _luaSerializer.SaveObjectToFile(sequenceTape, tapeFilePath);
            }
        }
    }
}