using ServerCommon;
using ServerCore; using ServerBase;
using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;

namespace GameServer
{
    internal class OwnedBuildingAgentAction : EntityActionBase
    {
        ConcurrentDictionary<int, OwnedBuilding> m_owned_buildings = new();

        public OwnedBuildingAgentAction(Player owner)
            : base(owner)
        { }

        public override async Task<Result> onInit()
        {
            var result = new Result();
            return await Task.FromResult(result);
        }

        public override void onClear()
        {
            m_owned_buildings.Clear();
        }

        public bool tryGetOwnedBuilding(int buildingMetaId, [MaybeNullWhen(false)] out OwnedBuilding ownedBuilding)
        {
            return m_owned_buildings.TryGetValue(buildingMetaId, out ownedBuilding);
        }

        public List<OwnedBuilding> getOwnedBuildings()
        {
            return m_owned_buildings.Values.ToList();
        }

        public bool isOwnedBuilding(int buildingMetaId)
        {
            return m_owned_buildings.ContainsKey(buildingMetaId);
        }

        public void addOwnedBuilding(int buildingMetaId, OwnedBuilding ownedBuilding)
        {
            m_owned_buildings[buildingMetaId] = ownedBuilding;
        }

        public void removeOwnedBuilding(int buildingMetaId)
        {
            m_owned_buildings.TryRemove(buildingMetaId, out _);
        }

        public async Task<Result> tryAddOwnedBuildingFromDoc(OwnedBuildingDoc ownedBuildingDoc)
        {
            var result = new Result();
            var err_msg = string.Empty;

            var player = getOwner() as Player;
            ArgumentNullException.ThrowIfNull(player);

            OwnedBuilding owned_building = new(player);
            await owned_building.onInit();

            var owned_building_attribute = owned_building.getEntityAttribute<OwnedBuildingAttribute>();
            ArgumentNullException.ThrowIfNull(owned_building_attribute);

            if (!owned_building_attribute.copyEntityAttributeFromDoc(ownedBuildingDoc))
            {
                err_msg = $"Failed to copyEntityAttributeFromDoc() !!! to:{owned_building_attribute.getTypeName()}, from:{ownedBuildingDoc.getTypeName()} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.DynamoDbDocCopyToEntityAttributeFailed, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            if (!m_owned_buildings.TryAdd((int)owned_building_attribute.BuildingMetaId, owned_building))
            {
                err_msg = $"Failed to TryAdd() !!! : {owned_building_attribute.toBasicString()} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.BuildingDocLoadDuplicatedBuilding, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            return result;
        }
    }
}