using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;


using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


namespace GameServer;

public class SocialActionLoadAction : EntityActionBase
{
    private ConcurrentDictionary<int, SocialAction> m_social_actions = new();

    public SocialActionLoadAction(EntityBase owner)
        : base(owner)
    { }


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

        var result = new Result();

        return result;
    }

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

    public bool isOwnedSocialAction(int socialActionMetaId)
    {
        return m_social_actions.ContainsKey(socialActionMetaId);
    }

    public bool tryGetSocialAction(int socialActionMetaId, [MaybeNullWhen(false)] out SocialAction socialAction)
    {
        return m_social_actions.TryGetValue(socialActionMetaId, out socialAction);
    }

    public List<SocialAction> getSocialActions()
    {
        return m_social_actions.Select(x => x.Value).ToList();
    }

    public async Task<Result> tryAddSocialActionFromDoc(SocialActionDoc socialActionDoc)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var owner = getOwner();

        var social_action = new SocialAction(owner);
        result = await social_action.onInit();
        if (result.isFail())
        {
            return result;
        }

        var found_social_action_attribute = social_action.getEntityAttribute<UserSocialActionAttribute>();
        NullReferenceCheckHelper.throwIfNull(found_social_action_attribute, () => $"found_social_action_attribute is null !!! - {owner.toBasicString()}");

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

            return result;
        }

        if (false == m_social_actions.TryAdd((int)found_social_action_attribute.SocialActionMetaId, social_action))
        {
            err_msg = $"Failed to TryAdd() !!! : {social_action.toBasicString()} : {this.getTypeName()} - {owner.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionDocLoadDuplicatedSocialAction, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

    public async Task<Result> tryAddSocialActionFromMetaId(int socialActionMetaId)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var owner = getOwner();

        if (false == MetaData.Instance._SocialActionTable.TryGetValue(socialActionMetaId, out _))
        {
            err_msg = $"Failed to TryGetValue() !!! : socialActionMetaId:{socialActionMetaId} - {owner.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionMetaDataNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        // 최대 획득 조건 추가
        var social_action_slot_max = MetaHelper.GameConfigMeta.MaxSocialActionSlot;
        if (m_social_actions.Count >= social_action_slot_max)
        {
            err_msg = $"Social Action Max count exceed !!! : {m_social_actions.Count} <= {social_action_slot_max} - socialActionMetaId:{socialActionMetaId}, {owner.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionSlotOutOfRange, err_msg);
            Log.getLogger().error(result.toBasicString());
            return result;
        }

        var social_action = new SocialAction(owner);
        await social_action.onInit();

        var social_action_attribute = social_action.getEntityAttribute<UserSocialActionAttribute>();
        NullReferenceCheckHelper.throwIfNull(social_action_attribute, () => $"social_action_attribute is null !!! - {owner.toBasicString()}");

        social_action_attribute.SocialActionMetaId = (uint)socialActionMetaId;
        social_action_attribute.newEntityAttribute();

        if (!m_social_actions.TryAdd((int)social_action_attribute.SocialActionMetaId, social_action))
        {
            err_msg = $"Failed to TryAdd() !!! : {social_action.toBasicString()} - {owner.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionAlreadyExist, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

    public bool tryGetSocialActionByEquipedPos(UInt16 equipedPos, [MaybeNullWhen(false)] out SocialAction socialAction)
    {
        socialAction = null;

        var owner = getOwner();

        foreach (var social_action in m_social_actions.Values)
        {
            var origin_social_action_attribute = social_action.getOriginEntityAttribute<UserSocialActionAttribute>();
            NullReferenceCheckHelper.throwIfNull(origin_social_action_attribute, () => $"origin_social_action_attribute is null !!! - {owner.toBasicString()}");

            if (origin_social_action_attribute.EquipedPos == equipedPos)
            {
                socialAction = social_action;
                return true;
            }
        }

        return false;
    }

    public (Result, List<ILogInvoker>?) tryExchangeSocialActionSlot(int socialActionSlot, int socialActionMetaId)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var business_logs = new List<ILogInvoker>();

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

        var user_guid = player.getUserGuid();
        var old_social_action_meta_id = 0;

        if (tryGetSocialActionByEquipedPos((UInt16)socialActionSlot, out var equipedSocialAction))
        {
            var equiped_social_action_action = equipedSocialAction.getEntityAction<SocialActionAction>();
            NullReferenceCheckHelper.throwIfNull(equiped_social_action_action, () => $"equiped_social_action_action is null !!! - {player.toBasicString()}");

            // 슬롯에서 제거
            equiped_social_action_action.unequipSocialAction();

            var equiped_social_action_attribute = equipedSocialAction.getEntityAttribute<UserSocialActionAttribute>();
            NullReferenceCheckHelper.throwIfNull(equiped_social_action_attribute, () => $"equiped_social_action_action is null !!! - {player.toBasicString()}");

            old_social_action_meta_id = (int)equiped_social_action_attribute.SocialActionMetaId;
        }

        if (socialActionMetaId == 0)
        {
            var social_action_slot_exchange_log_info = SocialActionBusinessLogHelper.toSocialActionSlotExchangeLogInfo(user_guid, socialActionSlot, old_social_action_meta_id, socialActionMetaId);
            var social_action_slot_exchange_business_log = new SocialActionSlotExchangeBusinessLog(social_action_slot_exchange_log_info);
            business_logs.Add(social_action_slot_exchange_business_log);

            return (result, business_logs);
        }

        if (!MetaData.Instance._SocialActionTable.TryGetValue(socialActionMetaId, out var social_action_meta_data))
        {
            err_msg = $"Failed to TryGetValue() !!! : socialActionMetaId:{socialActionMetaId} - {player.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionMetaDataNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null);
        }

        if (!tryGetSocialAction(socialActionMetaId, out var social_action))
        {
            err_msg = $"Failed to tryGetSocialAction() !!! : socialActionMetaId:{socialActionMetaId} - {player.toBasicString()}";
            result.setFail(ServerErrorCode.SocialActionNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null);
        }

        var social_action_action = social_action.getEntityAction<SocialActionAction>();
        NullReferenceCheckHelper.throwIfNull(social_action_action, () => $"social_action_action is null !!! - {player.toBasicString()}");

        result = social_action_action.tryEquipSocialAction((UInt16)socialActionSlot);
        if (result.isFail())
        {
            err_msg = $"Failed to tryEquipSocialAction() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);

            return (result, null);
        }

        {
            var social_action_slot_exchange_log_info = SocialActionBusinessLogHelper.toSocialActionSlotExchangeLogInfo(user_guid, socialActionSlot, old_social_action_meta_id, socialActionMetaId);
            var social_action_slot_exchange_business_log = new SocialActionSlotExchangeBusinessLog(social_action_slot_exchange_log_info);
            business_logs.Add(social_action_slot_exchange_business_log);
        }
        
        return (result, business_logs);
    }
}