using System;
using UnityEngine;

namespace ET
{
    [FriendClass(typeof(Building))]
    public static class BuildingComponentSystem
    {
        public static Building CreateBuilding(this BuildingComponent self, int ConfigId, float X, float Y, long id = 0)
        {
            Building building;
            if (id == 0)
            {
                building = self.AddChild<Building>();
            }
            else
            {
                building = self.AddChildWithId<Building>(id);
            }

            building.ConfigId = ConfigId;
            building.Position = new Vector2(X, Y);
            building.Durable = building.Config.Durable;
            return building;
        }

        public static bool CheckOutBuildingByIds(this BuildingComponent self, int[] StructureID)
        {
            bool hasBuilding = false;
            foreach (var v in self.Children)
            {
                Building building = (Building) v.Value;
                if (Array.IndexOf(StructureID, building.ConfigId) != -1 )
                {
                    hasBuilding = true;
                    break;
                }
            }

            return hasBuilding;
        }

        public static bool CheckOutBuildingBySpecialType(this BuildingComponent self, int special)
        {
            bool hasBuilding = false;
            foreach (var v in self.Children)
            {
                Building building = (Building) v.Value;
                if (special == building.Config.Special)
                {
                    hasBuilding = true;
                    break;
                }
            }

            return hasBuilding;
        }

        public static void DurableReduce(this BuildingComponent self)
        {
            foreach (var v in self.Children.Values)
            {
                ((Building)v).DurableReduce();
            }
        }

        public static int GetBuildingNum(this BuildingComponent self, int configId)
        {
            int num = 0;
            foreach (var keyValuePair in self.Children)
            {
                Building building = (Building)keyValuePair.Value;
                if (building.ConfigId == configId)
                {
                    num++;
                }
            }

            return num;
        }
    }
}