using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using DG.Tweening;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using Sirenix.OdinInspector;
using UniRx;
using UnityEngine;

namespace Ichni
{
    public class ProjectLoader
    {
        public float fakeLoadPercent;
        public float realLoadPercent;
        public float displayLoadPercent => Mathf.Min(realLoadPercent, fakeLoadPercent);
        
        public static readonly ES3Settings SaveSettings = new ES3Settings
        {
            compressionType = ES3.CompressionType.None,
            encryptionType = ES3.EncryptionType.None,
            format = ES3.Format.JSON,
            location = ES3.Location.Resources
        };
        
        private static readonly ES3Settings LoadSettings = new ES3Settings
        {
            compressionType = ES3.CompressionType.Gzip,
            encryptionType = ES3.EncryptionType.AES,
            encryptionPassword = "Soullies515",
            format = ES3.Format.JSON,
            location = ES3.Location.Resources
        };
        
        public void TestLoad()
        {
            string beatMapFolderPath = "Beatmaps/" + InformationTransistor.instance.chapter.chapterIndex + 
                                       "/" +  InformationTransistor.instance.song.songName + 
                                       "/" + InformationTransistor.instance.difficulty.difficultyName;
            
            LoadProjectInfo(beatMapFolderPath);
            LoadSongInfo(beatMapFolderPath);
            LoadCommandScripts(beatMapFolderPath);

            GameManager.Instance.gameLoadingCanvas.MoveParts();
            
            ThemeBundleManager.instance.LoadThemeBundles(GameManager.Instance.projectInformation.selectedThemeBundleList);
            realLoadPercent = 0f;
            fakeLoadPercent = 0f;

            Observable.EveryUpdate()
                .Where(_ => ThemeBundleManager.instance.waitingBundleAmount.Value == 0 &&
                            GameManager.Instance.gameLoadingCanvas.allPartsSet)
                .First()
                .Subscribe(_ =>
                {
                    LoadBeatMap(beatMapFolderPath);
                    
                    IDisposable fakeLoadObserver = Observable.EveryUpdate().Subscribe(_ =>
                    {
                        fakeLoadPercent += Time.deltaTime * 0.2f;
                        GameManager.Instance.gameLoadingCanvas.SetProgress(displayLoadPercent * 100f);
                    });
                    
                    Observable.EveryUpdate()
                        .Where(_ => ((BeatmapContainer_BM)GameManager.Instance.beatmapContainer.matchedBM).remainingElementAmount.Value == 0 &&
                                    fakeLoadPercent >= 1f)
                        .First()
                        .Subscribe(_ =>
                        {
                            fakeLoadObserver.Dispose();

                            Observable.Timer(TimeSpan.FromSeconds(1f)).First().Subscribe(_ =>
                            {
                                GameManager.Instance.gameLoadingCanvas.FadeOut();
                                GameManager.Instance.songPlayer.isLoading = false;
                                GameManager.Instance.songPlayer.isStarting = true;

                                GameManager.Instance.beatmapContainer.gameElementList.ForEach(element => element.BeforeStart());

                                GameManager.Instance.gameUICanvas.readyText.DOFade(1, 0.5f)
                                    .SetLoops(4, LoopType.Yoyo).SetEase(Ease.InOutFlash).Play();

                                Observable.Timer(TimeSpan.FromSeconds(2)).First().Subscribe(_ =>
                                {
                                    GameManager.Instance.songPlayer.isDelaying = true;
                                    GameManager.Instance.songPlayer.isStarting = false;
                                    Observable.NextFrame().Subscribe(_ =>
                                    {
                                        GameManager.Instance.timeDurations = GameManager.Instance.beatmapContainer.gameElementList
                                            .Select(x=> (x as IHaveTimeDurationSubmodule)?.timeDurationSubmodule)
                                            .Where(x => x != null && x.startTime > 0 && x.endTime < GameManager.Instance.songInformation.songLength).ToList();
                                        GameManager.Instance.beatmapContainer.gameElementList.ForEach(element => element.WhenStart());
                                    });
                                });
                            });
                        });
                });
            
            /*Observable.EveryUpdate()
                .Where(_ => !GameManager.Instance.audioManager.isStarting)
                .First()
                .Subscribe(_ =>
                {
                    
                });*/
        }
        
        public void Load(string chapterName, string musicName, string difficultyName)
        {
            string beatMapFolderPath = "Beatmaps/" + chapterName + "/" + musicName + "/" + difficultyName;
            
            LoadProjectInfo(beatMapFolderPath);
            LoadSongInfo(beatMapFolderPath);
            LoadCommandScripts(beatMapFolderPath);
            LoadBeatMap(beatMapFolderPath);
        }

        private void LoadProjectInfo(string beatMapFolderPath)
        {
            string projectInfoPath = beatMapFolderPath + "/ProjectInfo.bytes";
            ES3.Load<ProjectInformation_BM>("ProjectInformation", projectInfoPath, LoadSettings).ExecuteBM();
        }

        private void LoadSongInfo(string beatMapFolderPath)
        {
            string songInfoPath = beatMapFolderPath + "/SongInfo.bytes";
            ES3.Load<SongInformation_BM>("SongInformation",songInfoPath, LoadSettings).ExecuteBM();
        }

        private void LoadBeatMap(string beatMapFolderPath)
        {
            string beatmapPath = beatMapFolderPath + "/Beatmap.bytes";
            ES3.Load<BeatmapContainer_BM>("Beatmap", beatmapPath, LoadSettings).ExecuteBM();
        }

        private void LoadCommandScripts(string beatMapFolderPath)
        {
            string commandScriptsPath = beatMapFolderPath + "/CommandScripts.bytes";
            ES3.Load<CommandScripts_BM>("CommandScripts", commandScriptsPath, LoadSettings).ExecuteBM();
        }
        
    }
}