using System.Collections;
using System.Collections.Generic;
using GCGame.Table;
using UnityEngine;

// 注：保持这个类型作为数据接口，实际表现在WorldUiRoot中处理
public class DamageBoardManager : MonoBehaviour
{
    public static DamageBoardManager damageBoardManager;

    private readonly Dictionary<string, UIImgFont> _imgFonts = new Dictionary<string, UIImgFont>();
    private readonly List<MyTuple<int, int>> _maxNumberList = new List<MyTuple<int, int>>();
    private readonly Dictionary<int, string> _typeToFont = new Dictionary<int, string>();
    private readonly Dictionary<int, int> m_TypeShowIndex = new Dictionary<int, int>();

    private bool _init;

    private void Awake()
    {
        damageBoardManager = this;
    }

    public static void PreloadDamageBoard()
    {
        if (damageBoardManager != null)
            damageBoardManager.PreloadDamageBoardIns();
    }

    public UIImgFont GetImgFont(int type)
    {
        UIImgFont result = null;
        string fontName;
        if (_typeToFont.TryGetValue(type, out fontName))
            _imgFonts.TryGetValue(fontName, out result);
        return result;
    }

    public void AddFont(string assetName, Object resObj, Hashtable table)
    {
        var newObj = resObj as GameObject;
        if (newObj != null)
        {
            var font = newObj.GetComponent<UIImgFont>();
            if (font != null)
                _imgFonts[assetName] = font;
        }
    }

    private void LoadFont()
    {
        if (!_init)
        {
            _init = true;
            var fontList = new HashSet<string>();
            foreach (var damageTab in TableManager.GetDamageBoardType().Values)
            {
                var fontName = damageTab.FontName;
                if (fontName.Length > 2)
                {
                    _typeToFont.Add(damageTab.GetId(), fontName);
                    fontList.Add(fontName);
                }
            }

            foreach (var fontName in fontList)
                LoadAssetBundle.Instance.LoadGameObject(LoadAssetBundle.BUNDLE_PATH_Other,
                    fontName, AddFont, null, true);
        }
    }

    //预加载一些伤害板
    public void PreloadDamageBoardIns()
    {
        LoadFont();
    }

    public string GetTypeShowIndex(int nType, Tab_DamageBoardType tabDamageBoardType)
    {
        var motionName = string.Empty;
        if (tabDamageBoardType != null)
        {
            int typeIndex;
            var motionCount = tabDamageBoardType.getMotionNameCount();
            if (!m_TypeShowIndex.TryGetValue(nType, out typeIndex))
                typeIndex = 0;
            // 维持原来的自修复逻辑 - typeIndex获取动画失败就自动试图拿下一个类型的动画
            for (var i = 0; i < motionCount; i++)
            {
                var motionIndex = i + typeIndex;
                if (motionIndex > motionCount - 1)
                    motionIndex -= motionCount;
                motionName = tabDamageBoardType.GetMotionNamebyIndex(motionIndex);
                if (!string.IsNullOrEmpty(motionName))
                {
                    typeIndex = motionIndex;
                    break;
                }
            }

            m_TypeShowIndex[nType] = typeIndex + 1;
        }

        return motionName;
    }

    /// <summary>
    ///     获得DamageBoard的表格数据，仅在所有检查成功才会返回
    /// </summary>
    public Tab_DamageBoardType TryAddDamageBoard(int nType)
    {
        if (damageBoardManager == null)
        {
            return null;
        }

        Tab_DamageBoardType damageBoardList;
        Tab_DamageBoardType result;
        var dictionary = TableManager.GetDamageBoardType();
        result = dictionary.TryGetValue(nType, out damageBoardList) ? damageBoardList : dictionary[0];
        var record = _maxNumberList.Find(a => a.first == nType);
        if (record == null)
        {
            record = new MyTuple<int, int>(nType, 0);
            _maxNumberList.Add(record);
        }

        if (record.second >= result.MaxNum)
            result = null;
        else
            record.second++;
        return result;
    }

    /// <summary>
    ///     移除伤害面板最大数目
    /// </summary>
    public void RemoveDamageBoard(int nType)
    {
        var record = _maxNumberList.Find(a => a.first == nType);
        if (record != null)
            record.second = Mathf.Max(0, record.second - 1);
    }

    /// <summary>
    ///     清除全部面板数量统计的记录
    /// </summary>
    public void ClearNumber()
    {
        for (var i = 0; i < _maxNumberList.Count; i++)
            _maxNumberList[i].second = 0;
    }
}