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

namespace GameServer
{
    internal class OwnedLandAgentAction : EntityActionBase
    {
        ConcurrentDictionary<int, OwnedLand> m_owned_lands = new();

        public OwnedLandAgentAction(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_lands.Clear();
        }

        public bool tryGetOwnedLand(int landMetaId, [MaybeNullWhen(false)] out OwnedLand ownedLand)
        {
            return m_owned_lands.TryGetValue(landMetaId, out ownedLand);
        }        
        
        public List<OwnedLand> getOwnedLands()
        {
            return m_owned_lands.Values.ToList();
        }

        public List<int> getOwnedLandMetaIds()
        {
            var land_meta_ids = new List<int>();

            foreach (var owned_land in  m_owned_lands.Values)
            {
                var land_meta_id = owned_land.getLandMetaId();

                land_meta_ids.Add(land_meta_id);
            }

            return land_meta_ids;
        }

        public bool isOwnedLand(int landMetaId)
        {
            return m_owned_lands.ContainsKey(landMetaId);
        }

        public void addOwnedLand(int landMetaId, OwnedLand ownedLand)
        {
            m_owned_lands[landMetaId] = ownedLand;
        }

        public void removeOwnedLand(int landMetaId)
        {
            m_owned_lands.TryRemove(landMetaId, out _);
        }

        public async Task<Result> tryAddOwnedLandFromDoc(OwnedLandDoc ownedLandDoc)
        {
            var result = new Result();
            var err_msg = string.Empty;

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

            var owned_land = new OwnedLand(player);
            await owned_land.onInit();

            var owned_land_attribute = owned_land.getEntityAttribute<OwnedLandAttribute>();
            ArgumentNullException.ThrowIfNull(owned_land_attribute);

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

                return result;
            }

            if (!m_owned_lands.TryAdd((int)owned_land_attribute.LandMetaId, owned_land))
            {
                err_msg = $"Failed to TryAdd() !!! : {owned_land_attribute.toBasicString()} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.OwnedLandDocLoadDuplicatedOwnedLand, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            return result;
        }
    }
}