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

namespace ET
{
    [FriendClass(typeof (ResourcePoint))]
    public static class ResourcePointSystem
    {
        public static void FromMessage(this ResourcePoint self, ResourceProto resourceProto)
        {
            self.Id = resourceProto.Id;
            self.ConfigId = resourceProto.ConfigId;
            self.Position = new Vector2(resourceProto.X, resourceProto.Y);
            self.MatureState = resourceProto.MatureState;
            self.MonsterGroupId = resourceProto.MonsterGroupId;
            self.ResAttriDic = new Dictionary<int, ResourceAttri>();
            foreach (var attri in resourceProto.resAttriList)
            {
                var resAttri = new ResourceAttri { ConfigId = attri.ConfigId, GatherAmount = attri.CurrAmount, MaxAmount = attri.MaxAmount };
                self.ResAttriDic[resAttri.ConfigId] = resAttri;
            }
        }

        public static ResourceProto ToMessage(this ResourcePoint self)
        {
            var proto = new ResourceProto();
            proto.Id = self.Id;
            proto.ConfigId = self.ConfigId;
            proto.X = self.Position.x;
            proto.Y = self.Position.y;
            proto.MatureState = self.MatureState;
            proto.MonsterGroupId = self.MonsterGroupId;
            foreach (var attri in self.ResAttriDic.Values)
            {
                var attriProto = new ResAttriProto { ConfigId = attri.ConfigId, CurrAmount = attri.GatherAmount, MaxAmount = attri.MaxAmount };
                proto.resAttriList.Add(attriProto);
            }

            return proto;
        }

        public static (bool, int) Product(this ResourcePoint self, int resConfigId, int amount)
        {
            var resAttri = self.ResAttriDic[resConfigId];
            resAttri.GatherAmount += amount;
            var result = false;
            if (resAttri.GatherAmount >= resAttri.MaxAmount)
            {
                amount -= resAttri.GatherAmount - resAttri.MaxAmount;
                resAttri.GatherAmount = resAttri.MaxAmount;
                result = true;
            }

            self.ResAttriDic[resConfigId] = resAttri;
            return (result, amount);
        }

        public static bool HaveResource(this ResourcePoint self, int resConfigId)
        {
            if (self.ResAttriDic.Keys.Contains(resConfigId))
            {
                return self.ResAttriDic[resConfigId].MaxAmount > self.ResAttriDic[resConfigId].GatherAmount;
            }

            return false;
        }

        public static void UpdateResAttri(this ResourcePoint self,int configId, int amount)
        {
            if (self.ResAttriDic.Keys.Contains(configId))
            {
                var resAttri = self.ResAttriDic[configId];
                resAttri.GatherAmount = amount;
                self.ResAttriDic[configId] = resAttri;

            }
        }
    }
}