using System.Collections.Generic;

namespace BrewMonster.Scripts.Skills
{

    public class Range
    {
        /// <summary>0=point 1=line 2=self sphere 3=target sphere 4=cone 5=self</summary>
        public char type;  // 0点 1线 2自身球 3目标球 4圆锥形 5自身

        public bool IsPoint() { return type == 0; }
        public bool IsLine() { return type == 1; }
        public bool IsSelfBall() { return type == 2; }
        public bool IsTargetBall() { return type == 3; }
        public bool IsSector() { return type == 4; }
        public bool IsSelf() { return type == 5; }
        public bool NoTarget() { return type == 2 || type == 5; }
        
    }
    
    // 占位技能类 // Placeholder Skill class
    public class Skill : ElementSkill
    {
    }
    
    public abstract class SkillStub
    {
        public const int MIN_LEVEL = 1;
        public const int MAX_LEVEL = 10;

        // Base info
        public uint id;                 // 唯一锟斤拷锟街憋拷识 // Unique identifier
        public int cls;                 // 职业 // Class/Profession
        public ushort[] name;             // 锟斤拷锟斤拷锟斤拷锟斤拷 // Skill name
        public byte[] nativename;       // 锟斤拷锟斤拷锟斤拷 // Native name
        public byte[] icon;             // 锟斤拷锟斤拷图锟斤拷 // Skill icon
        public int max_level;           // 锟斤拷锟斤拷锟斤拷蠹侗锟? // Maximum level
        public byte type;               // 锟斤拷锟斤拷锟斤拷锟? 1锟斤拷锟斤拷锟斤拷锟斤拷 2锟斤拷锟斤拷锟斤拷锟斤拷 3锟斤拷锟斤拷锟劫伙拷 4锟斤拷锟斤拷 5锟斤拷锟斤拷 // Skill type: 1-Normal 2-Special 3-Partner 4-Mount 5-Other

        // Execute condition
        public bool allow_ride;         // 锟斤拷锟斤拷锟叫? // Allow while riding
        public short attr;              // 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷, 1锟斤拷锟斤拷锟斤拷2锟斤拷3木锟斤拷4水锟斤拷5锟斤拷6锟斤拷 锟斤拷选一 默锟较ｏ拷锟斤拷锟斤拷锟斤拷 // Attribute: 1-Metal 2-Earth 3-Wood 4-Water 5-Fire 6-Special (Choose one, default none)
        public int rank;                // 锟斤拷锟芥级锟斤拷 // Rank
        public int eventflag;           // Event flag
        public byte is_senior;          // Senior flag
        public bool is_inherent;        // 锟斤拷锟斤拷锟斤拷锟杰ｏ拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷 // Inherent skill, cannot be learned
        public bool is_movingcast;      // 锟狡讹拷施锟斤拷 // Can cast while moving
        public int npcdelay;            // NPC delay
        public int showorder;           // Display order
        public byte allow_forms;        // Allowed forms
        public int apcost;              // AP cost
        public int apgain;              // AP gain
        public byte doenchant;          // Do enchant
        public byte dobless;            // Do bless
        public int arrowcost;           // Arrow cost
        public Dictionary<uint, int> pre_skills;

        // Execute condition
        public bool allow_land;          // 陆地有效 // Effective on land
        public bool allow_air;           // 空中有效 // Effective in air
        public bool allow_water;         // 水中有效 // Effective in water
        public bool notuse_in_combat;    // 战斗状态不可用 // Cannot use in combat state
        public int restrict_corpse;      // 只对尸体有效 // Only effective on corpses
        public bool restrict_change;     // 是否可以变身 // Whether can transform
        public bool restrict_attach;     // 是否可以附身 // Whether can possess
        public bool auto_attack;         // 使用后是否自动攻击 // Whether to auto attack after use
        public char time_type;           // 瞬发类型 // Instant cast type
        public char long_range;
        public char posdouble;           // 位置选择 // Position selection
        public int clslimit;             // 职业限制 // Class restriction

        public int commoncooldown;       // 公共冷却mask bit0-4 技能冷却0-4 bit5-9 物品冷却0-4 
                                        // Common cooldown mask bit0-4 skill cooldown 0-4 bit5-9 item cooldown 0-4
        public int commoncooldowntime;   // 冷却时间，单位毫秒 // Cooldown time in milliseconds

        public int itemcost;             // 释放时消耗物品 >0有效 // Item cost when casting, effective if >0

        // 连击相关 // Combo related
        public int combosk_preskill;     
        public int combosk_interval;
        public int combosk_nobreak;

        public byte[] effect;
        public byte[] aerial_effect;

        public Range range;
        public bool has_stateattack;

        public List<int> restrict_weapons;
        public static Dictionary<uint, SkillStub> map;
        public static Dictionary<uint, SkillStub> GetMap() => map;

        public static Dictionary<uint, List<uint>> inheritSkillMap = new();
        public static List<uint> GetInherentSkillList(uint cls)
        {
            return inheritSkillMap[cls];
        }

        public static Dictionary<uint, List<uint>> comboSkillMap;
        public static Dictionary<uint, List<uint>> GetComboSkMap() => comboSkillMap;

        public static SkillStub GetStub(uint i)
        {
            return GetMap().TryGetValue(i, out var stub) ? stub : null;
        }

        public static void InitStaticData()
        {
            var map = GetMap();
            foreach (var skill in map)
            {
                SkillStub sk = skill.Value;
                if (sk.is_inherent) GetInherentSkillList((uint)sk.cls).Add(sk.id);
                if (sk.combosk_preskill > 0) GetComboSkMap()[(uint)sk.combosk_preskill].Add(sk.id);
            }
        }

        public List<uint> GetPostComboSkill(uint id)
        {
            var m = GetComboSkMap();
            if (m.TryGetValue(id, out var list)) return list;
            return null;
        }

        // 以下为从C++转换的接口 // The following methods are converted from C++
        public uint GetId() { return id; }
        public int GetCls() { return cls; }
        public ushort[] GetName() { return name; }
        public byte[] GetIcon() { return icon; }
        public int GetMaxLevel() { return max_level; }
        public Range GetRange() { return range; }
        public int GetItemCost() { return itemcost; }
        public bool IsMovingSkill() { return is_movingcast; }
        public new byte GetType() { return type; } // 隐藏System.Object.GetType // Hide System.Object.GetType

        // 运行时相关虚函数 // Runtime-related virtual functions
        public virtual int GetCoolingtime(Skill skill) { return 0; }
        public virtual int GetRequiredSp(Skill skill) { return 0; }
        public virtual int GetRequiredLevel(Skill skill) { return 0; }
        public virtual int GetMaxAbility(Skill skill) { return 0; }
        public virtual int GetRequiredItem(Skill skill) { return 0; }
        public virtual int GetRequiredMoney(Skill skill) { return 0; }
        public virtual int GetRequiredRealmLevel(Skill skill) { return 0; }
        public virtual float GetPraydistance(Skill skill) { return 0f; }
        public virtual float GetMpcost(Skill skill) { return 0f; }
        public virtual int GetExecutetime(Skill skill) { return 1000; }
        public virtual bool CheckHpCondition(int hp, int max_hp) { return true; }
        public virtual bool CheckComboSkExtraCondition(Skill skill) { return true; }
        public virtual int GetIntroduction(Skill skill, ushort[] descBuffer, int descBufferLen, ushort[] titleBuffer) { return 0; }
        
        // 武器有效性检查 // Validate weapon restriction
        public bool ValidWeapon(int weapon)
        {
            if (restrict_weapons != null)
            {
                int i;
                for (i = 0; i < restrict_weapons.Count; i++)
                {
                    if (weapon == restrict_weapons[i])
                        return true;
                }
                if (i > 0 && i >= restrict_weapons.Count)
                    return false;
            }
            return true;
        }
    }
}