using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


using ServerCore; using ServerBase;
using ServerCommon;


using SESSION_ID = System.Int32;
using WORLD_META_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;


namespace GameServer
{
    public class UgcNpcInventoryAction : InventoryActionBase
    {
        public UgcNpcInventoryAction(UgcNpc owner)
            : base(owner) 
        { 
        }

        public override async Task<Result> onInit()
        {
            await Task.CompletedTask;

            var ugc_npc = getOwner() as UgcNpc;
            NullReferenceCheckHelper.throwIfNull(ugc_npc, () => $"ugc_npc is null !!!");

            var result = new Result();

            result = await getBagInven().onInit();
            if (result.isFail())
            {
                return result;
            }

            getEquipInvens().TryAdd(InvenEquipType.Cloth, new ClothEquipInven(ugc_npc));
            getEquipInvens().TryAdd(InvenEquipType.Tattoo, new TattooEquipInven(ugc_npc));

            var equip_inven_initializers = new Initializers();
            foreach (var each in getEquipInvens())
            {
                equip_inven_initializers.appendInitializer(each.Value as IInitializer);
            }
            result = await equip_inven_initializers.init("UgcNpc EquipInvens");
            if (result.isFail())
            {
                return result;
            }

            return result;
        }

        public override void onClear()
        {
            var owner = getOwner();
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            // 삭제할 가방 인벤토리내의 아이템 목록을 초기화 한다.
            var bag_inven = getBagInven();
            NullReferenceCheckHelper.throwIfNull(bag_inven, () => $"bag_inven is null !!! - {owner.toBasicString()}");

            bag_inven.clearItemAll();
            // 가방 인벤토리내의 Tab별 개수 정보 초기화 한다.
            bag_inven.resetItemCountInTabs();

            // 삭제할 장착 인벤토리내의 아이템 목록을 초기화 한다.
            var to_clear_equip_invens = new List<InvenEquipType>() {
                InvenEquipType.Cloth
            ,   InvenEquipType.Tattoo
            };
            foreach (var inven_equip_type in to_clear_equip_invens)
            {
                if (true == getEquipInvens().TryGetValue(inven_equip_type, out var found_equip_inven))
                {
                    var tool_equip_inven = found_equip_inven as IWithInventoryAccessor;
                    NullReferenceCheckHelper.throwIfNull(tool_equip_inven, () => $"tool_equip_inven is null !!! - {owner.toBasicString()}");

                    tool_equip_inven.clearItemAll();
                }
            }

            // 능력치 속성 정보들도 초기화 한다.
            var ability_action = owner.getEntityAction<AbilityAction>();
            NullReferenceCheckHelper.throwIfNull(ability_action, () => $"ability_action is null !!! - {owner.toBasicString()}" );

            ability_action.clearAbility();
        }

        public override Item onAllocItem()
        {
            var ugc_npc = getOwner() as UgcNpc;
            NullReferenceCheckHelper.throwIfNull(ugc_npc, () => $"ugc_npc is null !!!");

            return new UgcNpcItem(ugc_npc);
        }

        public Dictionary<ITEM_GUID, global::Item> toItemAll4Client()
        {
            var ugc_npc = getOwner() as UgcNpc;
            NullReferenceCheckHelper.throwIfNull(ugc_npc, () => $"ugc_npc is null !!!");

            var server_logic = GameServerApp.getServerLogic();

            var inventory_rule = server_logic.findRule<InventoryRule>();
            NullReferenceCheckHelper.throwIfNull(inventory_rule, () => $"inventory_rule is null !!! - {ugc_npc.toBasicString()}");

            var bag_inven = getBagInven();
            NullReferenceCheckHelper.throwIfNull(bag_inven, () => $"bag_inven is null !!! - {ugc_npc.toBasicString()}");

            var items = new Dictionary<ITEM_GUID, global::Item>();

            var has_items = bag_inven.getHasItemBases();

            foreach (var item in has_items)
            {
                var item_ui = item.toItemData4Client();
                NullReferenceCheckHelper.throwIfNull(item_ui, () => $"item_ui is null !!! - {ugc_npc.toBasicString()}");
                var item_meta = item.getItemMeta();
                NullReferenceCheckHelper.throwIfNull(item_meta, () => $"item_meta is null !!! - {ugc_npc.toBasicString()}");

                if(false == items.TryAdd(item_ui.ItemGuid, item_ui))
                {
                    var err_msg = $"Already added Item !!! : itemGuid:{item_ui.ItemGuid}, itemMetaId:{item_meta.ItemId} - {ugc_npc.toBasicString()}";
                    Log.getLogger().error(err_msg);
                    continue;
                }
            }

            return items;
        }

        public Dictionary<Int32, global::TattooSlotInfo> toTattooAll4Client()
        {
            var ugc_npc = getOwner() as UgcNpc;
            NullReferenceCheckHelper.throwIfNull(ugc_npc, () => $"ugc_npc is null !!!");

            var item_tattoo_action = ugc_npc.getEntityAction<ItemTattooAction>();
            NullReferenceCheckHelper.throwIfNull(item_tattoo_action, () => $"item_tattoo_action is null !!! - {ugc_npc.toBasicString()}");

            var tattoo_slots = new Dictionary<Int32, global::TattooSlotInfo>();

            var inven_tattoo = getEquipInvens()[InvenEquipType.Tattoo] as TattooEquipInven;
            NullReferenceCheckHelper.throwIfNull(inven_tattoo, () => $"inven_tattoo is null !!! - {ugc_npc.toBasicString()}");

            var custom_defined_ui_action = ugc_npc.getEntityAction<CustomDefinedUiAction>();
            NullReferenceCheckHelper.throwIfNull(custom_defined_ui_action, () => $"custom_defined_ui_action is null !!! - {ugc_npc.toBasicString()}");

            var tattoo_slot_types = InvenEquipType.Tattoo.toEquipableTattooSlotTypes(ugc_npc.getEntityType());
            foreach (var tattoo_slot_type in tattoo_slot_types)
            {
                var tattoo_slot = new TattooSlotInfo();
                tattoo_slot.ItemInfo = new();
                if (false == custom_defined_ui_action.getTattooVisible(tattoo_slot_type, out var found_visible))
                {
                    found_visible = true;
                }
                tattoo_slot.IsVisible = found_visible == true ? 1 : 0;
                
                if(false == tattoo_slots.TryAdd((Int32)tattoo_slot_type, tattoo_slot))
                {
                    var err_msg = $"Already added Tattoo Item !!! : tattooSlotType:{tattoo_slot_type} - {ugc_npc.toBasicString()}";
                    Log.getLogger().error(err_msg);
                    continue;
                }

                var found_tattoo = inven_tattoo.getData().findEntityBaseInSlotType(tattoo_slot_type) as Item;
                if (null == found_tattoo)
                {
                    continue;
                }

                item_tattoo_action.fillupTattooSlotInfo(tattoo_slot_type, found_tattoo, ref tattoo_slot);
            }

            return tattoo_slots;
        }
    }
}