// Filename	: CECSkillConvert.cs
// Creator	: zhangyitian
// Date		: 2014/07/09
// Converted to C# from EC_SkillConvert.cpp

using CSNetwork.GPDataType;
using System.Collections.Generic;

namespace BrewMonster.Scripts.Skills
{
    // 神魔转换查询表 // God-Evil skill conversion table
    public class CECSkillConvert
    {
        private static CECSkillConvert instance;
        private Dictionary<int, int> m_convertTable;
        private bool m_bInitialized;

        private CECSkillConvert()
        {
            m_convertTable = new Dictionary<int, int>();
            m_bInitialized = false;
        }

        // 单例 // Singleton
        public static CECSkillConvert Instance
        {
            get
            {
                if (instance == null)
                {
                    instance = new CECSkillConvert();
                }
                return instance;
            }
        }

        private void Initialize()
        {
            var pDB = ElementDataManProvider.GetElementDataMan();

            var dt = DATA_TYPE.DT_GOD_EVIL_CONVERT_CONFIG;
            var map = pDB.GetAllDataTypeWithType(ID_SPACE.ID_SPACE_CONFIG, dt);
            if (map == null)
            {
                BMLogger.LogError("CECSkillConvert Initialize failed: no data found for DT_GOD_EVIL_CONVERT_CONFIG");
                return;
            }

            foreach (var obj in map)
            {
                GOD_EVIL_CONVERT_CONFIG config = (GOD_EVIL_CONVERT_CONFIG)obj;
                if (config.skill_map != null)
                {
                    for (int i = 0; i + 1 < map.Length; i += 2)
                    {
                        if (config.skill_map[i] != 0 &&
                            config.skill_map[i+128] != 0)
                        {
                            m_convertTable[config.skill_map[i]] = config.skill_map[i + 128];
                            m_convertTable[config.skill_map[i+128]] = config.skill_map[i];
                        }
                    }
                }
            }

            m_bInitialized = true;
        }

        // 获得转换后的技能，返回0表示没有转换的技能 // Get the converted skill, return 0 if no conversion exists
        public int GetConvertSkill(int skillID)
        {
            if (!m_bInitialized)
            {
                Initialize();
            }

            if (m_convertTable.TryGetValue(skillID, out int convertedSkillID))
            {
                return convertedSkillID;
            }

            return 0;
        }
    }
}