using Google.Protobuf.WellKnownTypes;
using ServerCommon;
using ServerCore; using ServerBase;

using BEACON_GUID = System.String;
using USER_GUID = System.String;

namespace GameServer
{
    public class BeaconShopItem : Item
    {
        public BeaconShopItem(UgcNpc owner)
            : base(owner)
        {
        }

        public override async Task<Result> onInit()
        {
            var direct_parent = getDirectParent();
            NullReferenceCheckHelper.throwIfNull(direct_parent, () => $"direct_parent is null !!!");
            addEntityAttribute(new BeaconShopItemAttribute(this, direct_parent));
            return await base.onInit();
        }

        public override string toBasicString()
        {
            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
        }

        public override string toSummaryString()
        {
            return $"{this.getTypeName()} - {getRootParent().toBasicString()}";
        }

        public static async Task<(Result, BeaconShopItem?)> createBeaconShopFromDoc(UgcNpc owner, BeaconShopItemDoc doc)
        {
            var beacon_shop_item = new BeaconShopItem(owner);
            var result = await beacon_shop_item.onInit();
            if (result.isFail())
            {
                return (result, null);
            }

            var err_msg = string.Empty;

            var beacon_shop_attribute = beacon_shop_item.getEntityAttribute<BeaconShopItemAttribute>();
            if (beacon_shop_attribute == null)
            {
                err_msg = $"Failed to get beacon shop attribute : {nameof(BeaconShopItemAttribute)}";
                result.setFail(ServerErrorCode.EntityAttributeIsNull, err_msg);
                Log.getLogger().error(err_msg);
                return (result, null);
            }

            if (beacon_shop_attribute.copyEntityAttributeFromDoc(doc) == false)
            {
                err_msg = $"Failed to copyEntityAttributeFromDoc !!! : doc_type {doc.GetType()} - {beacon_shop_item.getRootParent().toBasicString()}";
                result.setFail(ServerErrorCode.DynamoDbDocCopyToEntityAttributeFailed, err_msg);
                Log.getLogger().error(err_msg);
                return (result, null);
            }

            return (result, beacon_shop_item);
        }

        public static async Task<(Result, BeaconShopItem?)> createBeaconShop(UgcNpc owner, USER_GUID user_guid, BEACON_GUID beacon_guid, DateTime selling_finish_time, double price_for_unit, ushort amount, ItemAttributeBase deleted_item_attribute)
        {
            var err_msg = string.Empty;

            var beacon_shop_item = new BeaconShopItem(owner);
            var result = await beacon_shop_item.onInit();
            if (result.isFail())
            {
                err_msg = $"Failed to create onInit!!";
                Log.getLogger().error(err_msg);
                return (result, null);
            }

            var beacon_shop_attribute = beacon_shop_item.getEntityAttribute<BeaconShopItemAttribute>();
            if (beacon_shop_attribute == null)
            {
                err_msg = $"Failed to get beacon shop attribute : {nameof(BeaconShopItemAttribute)}";
                result.setFail(ServerErrorCode.EntityAttributeIsNull, err_msg);
                Log.getLogger().error(err_msg);
                return (result, null);
            }

            beacon_shop_attribute.UserGuid = user_guid;
            beacon_shop_attribute.BeaconGuid = beacon_guid;
            beacon_shop_attribute.SellingFinishTime = selling_finish_time;
            beacon_shop_attribute.PriceForUnit = price_for_unit;
            beacon_shop_attribute.IsActiveSelling = true;

            beacon_shop_attribute.ItemMetaId = deleted_item_attribute.ItemMetaId;
            beacon_shop_attribute.ItemStackCount = amount;
            beacon_shop_attribute.Level = deleted_item_attribute.Level;
            beacon_shop_attribute.Attributes = deleted_item_attribute.Attributes.Select(x => x).ToList();
            beacon_shop_attribute.EquipedInvenType = deleted_item_attribute.EquipedInvenType;
            beacon_shop_attribute.EquipedPos = deleted_item_attribute.EquipedPos;

            beacon_shop_attribute.newEntityAttribute();

            return (result, beacon_shop_item);
        }

        public override MetaAssets.ItemMetaData? getItemMeta()
        {
            var parent = getRootParent();
            NullReferenceCheckHelper.throwIfNull(parent, () => $"parent is null !!!");

            var beacon_shop_item_attribute = getEntityAttribute<BeaconShopItemAttribute>();
            NullReferenceCheckHelper.throwIfNull(beacon_shop_item_attribute, () => $"beacon_shop_item_attribute is null !!! - {parent.toBasicString()}");

            if (!MetaData.Instance._ItemTable.TryGetValue((int)beacon_shop_item_attribute.ItemMetaId, out var found_item_meta_data))
            {
                var err_msg = $"Not found meta of Item !!! : itemMetaId:{beacon_shop_item_attribute.ItemMetaId} - {parent.toBasicString()}";
                Log.getLogger().error(err_msg);
                return null;
            }

            return found_item_meta_data;
        }

        public BeaconShopInfo toBeaconShopData4Client()
        {
            var beacon_shop_4_client = new BeaconShopInfo();

            var beacon_shop_attribute = getEntityAttribute<BeaconShopItemAttribute>();
            NullReferenceCheckHelper.throwIfNull(beacon_shop_attribute, () => $"beacon_shop_attribute is null !!!");

            beacon_shop_4_client.BeaconGuid = beacon_shop_attribute.BeaconGuid;
            beacon_shop_4_client.ItemGuid = beacon_shop_attribute.ItemGuid;
            beacon_shop_4_client.ItemMetaid = (int)beacon_shop_attribute.ItemMetaId;
            beacon_shop_4_client.SellingFinishTime = Timestamp.FromDateTime(beacon_shop_attribute.SellingFinishTime);
            beacon_shop_4_client.PriceForUnit = beacon_shop_attribute.PriceForUnit;
            beacon_shop_4_client.IsActiveSelling = beacon_shop_attribute.IsActiveSelling == true ? BoolType.True : BoolType.False;
            beacon_shop_4_client.Amount = beacon_shop_attribute.ItemStackCount;

            return beacon_shop_4_client;
        }
    }
}