using UnityEngine;
using UnityEngine.UI;

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

public enum Current
{
    AD,
    Free,
    Coin,
    Cash,
    Other,
    Diamond,
}

public enum SkillType
{
    Skill,
    Pack,
    Ability,
    BigSkill,
}

public enum SkillTab
{
    Elf,
    Null,
    Store,
    Magic,
    Garden,
}

public enum SkillStatus
{
    Buy,
    Use,
    Cool,
    Lock,
    UnLock,
    Upgrade,
}

public abstract class SkillRoot
{
    #region 变量

    #region 配置

    public int ClassID;
    public string Icon;
    public string Name;
    public SkillTab Tab;

    #endregion

    public int Level;
    public Text ItemTit;
    public Text ItemLab;
    public Text ItemBtnLab;
    public Image ItemIcon;
    public Button ItemBtn;
    public SkillType SkillType;

    public abstract bool DoUse();
    public abstract void RegistValue(double elapse, List<List<SkillRoot>> ffList);
    public abstract void OnLevelChange();

    #endregion

    public static int SortByClassID(SkillRoot skillRootA, SkillRoot skillRootB)
    {
        if (skillRootA.ClassID == skillRootB.ClassID)
        {
            return 0;
        }
        else if (skillRootA.ClassID > skillRootB.ClassID)
        {
            return 1;
        }
        else if (skillRootA.ClassID < skillRootB.ClassID)
        {
            return -1;
        }
        else
        {
            throw new Exception();
        }
    }

    public static int SortByTimer(SkillRoot skillRootA, SkillRoot skillRootB)
    {
        Skill skillA = (Skill) skillRootA;
        Skill skillB = (Skill) skillRootB;

        if (skillA == null || skillB == null)
        {
            return 0;
        }

        if (Math.Abs(skillA.UsingTimer - skillB.UsingTimer) < 0.0005f)
        {
            return 0;
        }
        else if (skillA.UsingTimer > skillB.UsingTimer)
        {
            return 1;
        }
        else if (skillA.UsingTimer < skillB.UsingTimer)
        {
            return -1;
        }
        else
        {
            throw new Exception();
        }
    }


    public virtual void Annul()
    {

    }

    public virtual void ReceiveCool(float amt, bool isCurrent, bool isBuff)
    {
        
    }

    public virtual void FastForward(List<List<SkillRoot>> ffList, float time, int index)
    {
        
    }

    public virtual void RegistReference()
    {
        
    }

    #region 解读器

    private string Calculate1(string str)
    {
        int index = 0;
        int openIndex = 0;
        bool flag = false;
        bool group = false;

        for (int i = 0; i < str.Length; i++)
        {
            if (group)
            {
                if (str[i] == '+' || str[i] == '-' || str[i] == '*' || str[i] == '/')
                {
                    str = str.Replace(openIndex, i - 1, Calculate2(str[index], str.Between(openIndex, index - 1), str.Between(index + 1, i - 1)));

                    i = 0;
                    group = false;
                }
                else if (i == str.Length - 1)
                {
                    str = str.Replace(openIndex, i, Calculate2(str[index], str.Between(openIndex, index - 1), str.Between(index + 1, i)));

                    break;
                }
            }
            else
            {
                if (str[i] == '+' || str[i] == '-')
                {
                    flag = true;
                    openIndex = i + 1;
                }
                else if (str[i] == '*' || str[i] == '/')
                {
                    index = i;
                    group = true;

                    if (!flag)
                    {
                        openIndex = 0;
                    }
                }
            }
        }

        group = false;

        for (int i = 0; i < str.Length; i++)
        {
            if (group)
            {
                if (str[i] == '+' || str[i] == '-')
                {
                    str = str.Replace(0, i - 1, Calculate2(str[index], str.Between(0, index - 1), str.Between(index + 1, i - 1)));

                    i = -1;
                    group = false;
                }
                else if (i == str.Length - 1)
                {
                    return Calculate2(str[index], str.Between(0, index - 1), str.Between(index + 1, i));
                }
            }
            else
            {
                if (str[i] == '+' || str[i] == '-')
                {
                    index = i;
                    group = true;
                }
            }
        }

        return str;
    }

    private string Calculate2(char operatorR, string str1, string str2)
    {
        double var1 = double.Parse(str1);
        double var2 = double.Parse(str2);

        if (operatorR == '+')
        {
            return (var1 + var2).ToString();
        }
        else if (operatorR == '-')
        {
            return (var1 - var2).ToString();
        }
        else if (operatorR == '*')
        {
            return (var1 * var2).ToString();
        }
        else if (operatorR == '/')
        {
            return (var1 / var2).ToString();
        }
        else
        {
            throw new Exception(operatorR.ToString());
        }
    }


    protected int IntParse(string str)
    {
        if (string.IsNullOrEmpty(str))
        {
            return 0;
        }
        else
        {
            return int.Parse(str);
        }
    }

    protected float FloatParse(string str)
    {
        if (string.IsNullOrEmpty(str))
        {
            return 0;
        }
        else
        {
            return float.Parse(str);
        }
    }

    protected double FmlParse(string str, params double[] vars)
    {
        for (int i = 0; i < vars.Length; i++)
        {
            str = str.Replace(((char) (97 + i)).ToString(), vars[i].ToString());
        }

        int openIndex = 0;

        for (int i = 0; i < str.Length; i++)
        {
            if (str[i] == '(')
            {
                openIndex = i;
            }
            else if (str[i] == ')')
            {
                str = str.Replace(openIndex, i, Calculate1(str.Between(openIndex + 1, i - 1)));

                i = -1;
            }
        }

        return double.Parse(Calculate1(str));
    }


    protected bool BoolParse(string str)
    {
        if (string.IsNullOrEmpty(str))
        {
            return false;
        }
        else
        {
            return Convert.ToBoolean(int.Parse(str));
        }
    }

    protected Current CurrentParse(string str)
    {
        if (string.IsNullOrEmpty(str))
        {
            return Current.Free;
        }
        else
        {
            int number = int.Parse(str);

            if (number == 1)
            {
                return Current.Coin;
            }
            else if (number == 2)
            {
                return Current.Diamond;
            }
            else if (number == 3)
            {
                return Current.Cash;
            }
            else if (number == 4)
            {
                return Current.Other;
            }
            else if (number == 5)
            {
                return Current.AD;
            }
            else
            {
                throw new Exception(number.ToString());
            }
        }
    }

    protected SkillTab SkillClassParse(string str)
    {
        if (string.IsNullOrEmpty(str))
        {
            return SkillTab.Null;
        }
        else
        {
            int number = int.Parse(str);

            if (number == 1)
            {
                return SkillTab.Garden;
            }
            else if (number == 2)
            {
                return SkillTab.Elf;
            }
            else if (number == 3)
            {
                return SkillTab.Magic;
            }
            else if (number == 4)
            {
                return SkillTab.Store;
            }
            else
            {
                throw new Exception();
            }
        }
    }


    protected void UpgradeUnit(ref float target, string fml)
    {
        if (fml.Contains("*"))
        {
            target *= float.Parse(fml.Split('*')[1]);
        }
        else if (fml.Contains("/"))
        {
            target /= float.Parse(fml.Split('/')[1]);
        }
    } //进行单位换算

    protected void UpgradeValue(ref float target, string fml, int offet)
    {
        if (string.IsNullOrEmpty(fml))
        {

        }
        else if (fml.Contains("%"))
        {
            target += (float.Parse(fml.Replace("%", ""))/100)*offet;
        }
        else
        {

        }
    }


    protected void ValueBuffParse(out float value, out float buff, string str)
    {
        if (str.Contains("%")) //比例加成
        {
            float step = float.Parse(str.Replace("%", "")) / 100;

            buff = step;
            value = 0;
        }
        else //数值加成
        {
            buff = 0;
            value = FloatParse(str);
        }
    }

    #endregion
}