using System.Collections.Generic;
using System.Linq;

namespace ET
{
    public partial class SkillUpConfigCategory
    {
        public Dictionary<int, Dictionary<int, int[]>> AllUnlockedSkillsOfLevel = new Dictionary<int, Dictionary<int, int[]>>();

        private int[] CheckToGetUnLockSkillList(int[] levelUnlockParameter)
        {
            if (levelUnlockParameter.Length == 1 && levelUnlockParameter[0] == 0)
            {
                return null;
            }

            return levelUnlockParameter;
        }
        
        public override void AfterEndInit()
        {
            foreach (var skillUpConfig in this.GetAll())
            {
                List<int[]> unLockSkillList = new List<int[]>();
                unLockSkillList.Add(skillUpConfig.Value.Level1UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level2UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level3UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level4UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level5UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level6UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level7UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level8UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level9UnlockParameter);
                unLockSkillList.Add(skillUpConfig.Value.Level10UnlockParameter);
               
                Dictionary<int, int[]> unlockSkillDict = new Dictionary<int, int[]>();
                for (int i = 0; i < 10; i++)
                {
                    var list = CheckToGetUnLockSkillList(unLockSkillList[i]);
                    int[] preList = null;

                    if (unlockSkillDict.ContainsKey(i))
                    {
                        preList = unlockSkillDict[i];
                    }

                    int[] merge; 
                    if (list != null)
                    {
                        if (preList != null)
                        {
                            merge = new int [list.Length + preList.Length];
                            preList.CopyTo(merge, 0);
                            list.CopyTo(merge, preList.Length);
                        }
                        else
                        {
                            merge = new int[list.Length];
                            list.CopyTo(merge, 0);
                        }
                        unlockSkillDict.Add(i + 1, merge);
                    }
                    else
                    {
                        if (preList != null)
                        {
                            merge = new int[preList.Length];
                            preList.CopyTo(merge, 0);
                            unlockSkillDict.Add(i + 1, merge);
                        }
                    }
                }
                
                AllUnlockedSkillsOfLevel.Add(skillUpConfig.Key, unlockSkillDict);
            }
        }

        /// <summary>
        /// 获得技能在某个解锁等级下解锁的所有子技能
        /// </summary>
        /// <param name="skillId">技能解锁的Id</param>
        /// <param name="level">解锁等级（从1级开始）</param>
        /// <returns></returns>
        public int[] GetUnLockedSkillsOfLevel(int skillId, int level)
        {
            if (!this.AllUnlockedSkillsOfLevel.ContainsKey(skillId))
            {
                return null;
            }

            var dict = this.AllUnlockedSkillsOfLevel[skillId];

            if (!dict.ContainsKey(level))
            {
                return null;
            }

            return dict[level];
        }
    }
}