using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using BansheeGz.BGDatabase;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.ResourceManagement.ResourceLocations;
using UnityEditor;
using System.Data;

public class BGDataBaseManager : MonoBehaviour
{
    private BGRepo BGDataBase = null;
    public BGRepo DataBase
    {
        get
        {
            if (BGDataBase != null)
            {
                return BGDataBase;
            }
            else
            {
                StartCoroutine(LoadDataBase());
                return BGDataBase;
            }
        }
    }

    public UnityAction<bool> OnCompleteLoadHuntingImage;

    private float loadPercent;
    public float LoadPercent
    {
        get { return loadPercent; }
    }

    private Dictionary<string, AsyncOperationHandle<Sprite>> loadUnlockHuntingImageHandle;
    public Dictionary<string, AsyncOperationHandle<Sprite>> LoadUnlockHuntingImageHandle
    {
        get
        {
            return loadUnlockHuntingImageHandle;
        }
    }

    void Awake()
    {
        //InitDataBase();
        //StartCoroutine(LoadDataBase());
    }

    private void OnDestroy()
    {
        ReleaseHuntingUnlockImage();
    }

    public Coroutine InitDataBase()
    {
        return StartCoroutine(LoadDataBase());
    }

    IEnumerator LoadDataBase()
    {
        if (BGDataBase != null)
        {
            yield break;
        }

        yield return new WaitForSecondsRealtime(1.5f);

        BGRepo.SetDefaultRepoContent(NeedAsset.Instance.BGDataBaseText.bytes);
        BGRepo.Load();

        BGDataBase = BGRepo.I;
    }

    private void OnDatabaseLoaded(AsyncOperationHandle<TextAsset> handle)
    {
        if (handle.Status == AsyncOperationStatus.Succeeded)
        {
            BGRepo.SetDefaultRepoContent(handle.Result.bytes);
            BGRepo.Load();

            BGDataBase = BGRepo.I;
        }
    }

    public void LoadHuntingUnlockImage()
    {
        int count = 0;
        int EndCount = DB_HuntingData.CountEntities;
        float onePercent = 1.0f / DB_HuntingData.CountEntities;

        loadUnlockHuntingImageHandle = new Dictionary<string, AsyncOperationHandle<Sprite>>(EndCount);
        DB_HuntingData.ForEachEntity(delegate (DB_HuntingData entity)
        {
            if (entity != null)
            {
                string address = entity.GetDBF_UnlockImageAddressablesAddress();
                AsyncOperationHandle<Sprite> spriteHandle = Addressables.LoadAssetAsync<Sprite>(address);
                loadUnlockHuntingImageHandle.Add(address, spriteHandle);

                spriteHandle.Completed += handle =>
                {
                    if (handle.Status == AsyncOperationStatus.Succeeded)
                    {
                        loadPercent += onePercent;
                        count++;

                        if (EndCount <= count)
                        {
                            OnCompleteLoadHuntingImage?.Invoke(true);
                        }
                    }
                    else
                    {
                        Debug.Log("BGDataBaseManager: " + handle.OperationException.Message);
                    }
                };
            }
        });

    }

    public void ReleaseHuntingUnlockImage()
    {
        if (loadUnlockHuntingImageHandle != null)
        {
            foreach (KeyValuePair<string, AsyncOperationHandle<Sprite>> handle in loadUnlockHuntingImageHandle)
            {
                if (handle.Value.IsValid())
                {
                    Addressables.Release(handle.Value);
                }
            }
            loadUnlockHuntingImageHandle.Clear();
        }
    }

    public bool IsFirstHuntingData(BGId huntingListID, BGId huntingDataID)
    {
        DB_HuntingListData listData = DB_HuntingListData.GetEntity(huntingListID);
        if (listData != null && listData.DBF_FirstHuntingDataID == huntingDataID)
        {
            return true;
        }

        return false;
    }

    public BGId GetLastUnolockHuntingDataID()
    {
        float lastCount = GameManager.DB.GetUnlockHuntingCount();
        int huntingListIndex = Mathf.FloorToInt((lastCount * 0.5f) - 0.5f);

        DB_HuntingListData huntingListData = DB_HuntingListData.GetEntity(huntingListIndex);

        if (huntingListData != null)
        {
            if ((lastCount * 0.5f) - 0.5f > huntingListIndex)
            {
                return huntingListData.DBF_SecondHuntingDataID;
            }
            else
            {
                return huntingListData.DBF_FirstHuntingDataID;
            }
        }

        return BGId.Empty;
    }

    public BGId GetLastUnolockHuntingListDataID()
    {
        float lastCount = GameManager.DB.GetUnlockHuntingCount();
        int huntingListIndex = Mathf.FloorToInt((lastCount * 0.5f) - 0.5f);

        DB_HuntingListData huntingListData = DB_HuntingListData.GetEntity(huntingListIndex);
        if (huntingListData != null)
        {
            return huntingListData.Id;
        }

        return BGId.Empty;
    }

    public BGId GetNextLockHuntingDataID()
    {
        float lastCount = GameManager.DB.GetUnlockHuntingCount() + 1;
        if (GameManager.DB.GetHuntingListLength() > lastCount)
        {
            lastCount = GameManager.DB.GetHuntingListLength();
        }

        int huntingListIndex = Mathf.FloorToInt((lastCount * 0.5f) - 0.5f);

        if (huntingListIndex >= DB_HuntingListData.CountEntities)
        {
            return BGId.Empty;
        }

        DB_HuntingListData huntingListData = DB_HuntingListData.GetEntity(huntingListIndex);

        if (huntingListData != null)
        {
            if ((lastCount / 2.0f) > huntingListIndex)
            {
                return huntingListData.DBF_SecondHuntingDataID;
            }
            else
            {
                return huntingListData.DBF_FirstHuntingDataID;
            }
        }

        return BGId.Empty;
    }

    public BGId GetNextLockHuntingListDataID()
    {
        float lastCount = GameManager.DB.GetUnlockHuntingCount() + 1;
        if (GameManager.DB.GetHuntingListLength() <= lastCount)
        {
            lastCount = GameManager.DB.GetHuntingListLength();
        }

        int huntingListIndex = Mathf.FloorToInt((lastCount * 0.5f) - 0.5f);

        if (huntingListIndex >= DB_HuntingListData.CountEntities)
        {
            return BGId.Empty;
        }

        DB_HuntingListData huntingListData = DB_HuntingListData.GetEntity(huntingListIndex);

        if (huntingListData != null)
        {
            return huntingListData.Id;
        }

        return BGId.Empty;
    }

    public BGId GetFirstHuntingData(BGId huntingListID)
    {
        DB_HuntingListData data = DB_HuntingListData.GetEntity(huntingListID);
        if (data != null)
        {
            return data.DBF_FirstHuntingDataID;
        }
        return BGId.Empty;
    }

    public BGId GetSecondHuntingData(BGId huntingListID)
    {
        DB_HuntingListData data = DB_HuntingListData.GetEntity(huntingListID);
        if (data != null)
        {
            return data.DBF_SecondHuntingDataID;
        }
        return BGId.Empty;
    }

    public BGId GetNextHuntingListData(BGId huntingListID)
    {
        DB_HuntingListData data = DB_HuntingListData.GetEntity(huntingListID);
        if(data.Index + 1 < DB_HuntingListData.CountEntities)
        {
            DB_HuntingListData nextData = DB_HuntingListData.GetEntity(data.Index + 1);
            return nextData.Id;
        }
        return BGId.Empty;
    }

    public int GetHuntingDataIndex(BGId huntingID)
    {
        DB_HuntingData data = DB_HuntingData.GetEntity(huntingID);
        if (data != null)
        {
            return data.Index;
        }
        return 0;
    }

    private class TextAssetDatabaseResource : BGRepoCustomLoaderModel.DatabaseResource
    {
        private readonly TextAsset asset;

        public TextAsset Asset
        {
            get { return asset; }
        }

        public TextAssetDatabaseResource(TextAsset asset)
        {
            this.asset = asset;
        }

        public override byte[] Content
        {
            get { return asset.bytes; }
        }
    }
}