using System;

namespace ET
{
    public class MonsterGroupAwakeSystem: AwakeSystem<MonsterGroup,int>
    {
        public override void Awake(MonsterGroup self,int configId)
        {
            self.ConfigId = configId;
        }

      
    } 
    
    [FriendClass(typeof(MonsterGroup))]
    [FriendClass(typeof(Fighter))]
    public static class MonsterGroupSystem
    {
        public static void FromMessage(this MonsterGroup self, MonsterGroupProto proto)
        {
            self.Id = proto.Id;
            self.ConfigId = proto.ConfigId;
            self.Seed = proto.Seed;
            self.X = proto.X;
            self.Y = proto.Y;
            self.ResId = proto.ResId;
        }

        public static MonsterGroupProto ToMessage(this MonsterGroup self)
        {
            var proto = new MonsterGroupProto();
            proto.Id = self.Id;
            proto.ConfigId = self.ConfigId;
            proto.Seed = self.Seed;
            proto.X = self.X;
            proto.Y = self.Y;
            proto.ResId = self.ResId;
            return proto;
        }

        public static (int,int)MonsterDrop(this MonsterGroup self, Fighter fighter)
        {
            int seed = self.Seed % ((int) Math.Pow(10, fighter.Pos + 1));
            seed = seed / (int) Math.Pow(10, fighter.Pos);
            
            var dropConfig = DropGroupConfigCategory.Instance.Get(fighter.MonsterConfig.DropGroup);
            int index = 0;
            ValleyRandom rand = new ValleyRandom();
            rand.SetSeed(self.Seed-seed*1234);
            if (dropConfig.ItemId.Length > 1)
            {
                index = RandomHelper.RandomByWeight(dropConfig.Weight);
            }

            //掉落数量
            int dropAmount = RandomHelper.RandomNumber(dropConfig.DropAmount[index * 2], dropConfig.DropAmount[index * 2 + 1]);
            return (dropConfig.ItemId[index], dropAmount);
        }
        
    }
}