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


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


namespace GameServer;

public class GlobalPartyDetailInstanceAction : EntityActionBase
{
    private readonly PartyInstanceCacheRequest m_party_instance_cache_request;

    public GlobalPartyDetailInstanceAction(GlobalPartyDetail owner) : base(owner)
    {
        m_party_instance_cache_request =
            new PartyInstanceCacheRequest(owner.PartyGuid, GameServerApp.getServerLogic().getRedisConnector());
    }
    
    public override async Task<Result> onInit()
    {
        await Task.CompletedTask;

        var result = new Result();

        return result;
    }

    public override void onClear()
    {
        return;
    }

    public async Task<Result> keep()
    {
        return await m_party_instance_cache_request.keepPartyInstanceCache();
    }

    public async Task<Result> loadPartyInstance()
    {
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        var result = await m_party_instance_cache_request.fetchPartyInstanceCache();
        if (result.isFail()) return result;

        result = await ServerBase.DataCopyHelper.copyEntityAttributeFromCaches(attribute,
            new List<CacheBase> { m_party_instance_cache_request.getPartyInstanceCache()! });
        if (result.isFail())
        {
            Log.getLogger().error(result.toBasicString());
        }
        
        return result;
    }

    public async Task<Result> registerPartyInstance(int instanceId, string roomId, Timestamp startTime, Timestamp endTime, int joinCount, bool isNotify)
    {
        var result = new Result();

        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "global party detail is null !!!");
        
        var party_instance_attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_instance_attribute, () => $"PartyInstanceAttribute is null !! - {party.toBasicString()}");
        
        // 1. cache 생성
        result = await m_party_instance_cache_request.createPartyInstanceCache(instanceId, roomId, startTime, endTime, joinCount);
        if (result.isFail()) return result;   
        
        // 2. attribute 복사
        result = await ServerBase.DataCopyHelper.copyEntityAttributeFromCaches(party_instance_attribute,
            new List<CacheBase> { m_party_instance_cache_request.getPartyInstanceCache()! });
        if (result.isFail())
        {
            Log.getLogger().error(result.toBasicString());
        }

        if (false == isNotify) return result;
        
        // 8. instance 정보 알림 ( to Servers )
        var server_message = new ServerMessage();
        server_message.PartyInstanceInfoNoti = new();
        server_message.PartyInstanceInfoNoti.PartyGuid = party.PartyGuid;

        PartyHelper.BroadcastToServers(party, server_message, true);
        
        // 9. instance 정보 알림 ( to Clients )
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyInstanceInfoNoti = new();
        client_message.Message.PartyInstanceInfoNoti.InstanceId = instanceId;
        client_message.Message.PartyInstanceInfoNoti.StartTime = startTime;
        client_message.Message.PartyInstanceInfoNoti.EndTime = endTime;
        client_message.Message.PartyInstanceInfoNoti.JoinMemberCount = joinCount;
        client_message.Message.PartyInstanceInfoNoti.IsEnd = BoolType.False;

        PartyHelper.BroadcastToClients(party, client_message, new List<string>());

        return result;
    }

    public async Task<Result> deletePartyInstance()
    {
        // 1. cache 제거
        var result = await m_party_instance_cache_request.deletePartyInstanceCache();
        if (result.isFail())
        {
            Log.getLogger().error(result.toBasicString());
        }
        
        // 2. attribute 제거
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        attribute.onClear();

        return result;
    }

    public bool isExist()
    {
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        return attribute.InstanceId > 0;
    }

    public Timestamp getStartTime()
    {
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        return attribute.StartTime;
    }

    public async Task<Result> finishPartyInstance(int joinCount = 0)
    {
        return await changePartyInstance(DateTimeHelper.MinTime.ToTimestamp(), DateTimeHelper.MinTime.ToTimestamp(), joinCount, true, true);
    }
    
    public async Task<Result> changePartyInstance(Timestamp startTime, Timestamp endTime, int joinCount, bool isFinish, bool notifyStartInstance)
    {
        var result = new Result();
        
        // 1. cache 수정
        var cache = m_party_instance_cache_request.getPartyInstanceCache();
        NullReferenceCheckHelper.throwIfNull(cache, () => $"Party Instance Cache is null !!! - {getOwner().toBasicString()}");

        cache.JoinMemberCount = joinCount;
        cache.StartTime = startTime;
        cache.EndTime = endTime;

        if (isFinish)
        {
            cache.InstanceId = 0;
            cache.RoomId = string.Empty;
        }
        
        result = await m_party_instance_cache_request.upsertPartyInstanceCache();
        if (result.isFail()) return result;
        
        // 2. attribute 수정
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        attribute.JoinMemberCount = cache.JoinMemberCount;
        attribute.StartTime = startTime;
        attribute.EndTime = endTime;

        if (isFinish)
        {
            attribute.InstanceId = 0;
            attribute.RoomId = string.Empty;
        }
        
        if (notifyStartInstance)
        {
            sendPartyInstanceInfoToMembers();
        }

        return result;
    }
    
    public async Task changeJoinMemberCount(int joinCount, bool notify)
    {
        // 1. cache 수정
        var cache = m_party_instance_cache_request.getPartyInstanceCache();
        NullReferenceCheckHelper.throwIfNull(cache, () => $"Party Instance Cache is null !!! - {getOwner().toBasicString()}");

        cache.JoinMemberCount = joinCount;
        
        await m_party_instance_cache_request.upsertPartyInstanceCache();
        
        // 2. attribute 수정
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        attribute.JoinMemberCount = cache.JoinMemberCount;

        if (notify)
        {
            sendPartyInstanceInfoToMembers();
        }
    }

    private void sendPartyInstanceInfoToMembers()

    {
        // 1. server message
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "Party Detail is null");
        
        var attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(attribute, () => $"PartyInstanceAttribute is null !! - {party.toBasicString()}");

        var server_message = new ServerMessage();
        server_message.PartyInstanceInfoNoti = new();
        server_message.PartyInstanceInfoNoti.PartyGuid = party.PartyGuid;
            
        PartyHelper.BroadcastToServers(party, server_message, true);
            
        // 2. client message
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyInstanceInfoNoti = new();
        client_message.Message.PartyInstanceInfoNoti.InstanceId = attribute.InstanceId;
        client_message.Message.PartyInstanceInfoNoti.JoinMemberCount = attribute.JoinMemberCount;
        client_message.Message.PartyInstanceInfoNoti.StartTime = attribute.StartTime;
        client_message.Message.PartyInstanceInfoNoti.EndTime = attribute.EndTime;
        client_message.Message.PartyInstanceInfoNoti.IsEnd = attribute.InstanceId == 0 ? BoolType.True : BoolType.False;

        PartyHelper.BroadcastToClients(party, client_message, new List<string>());
    }
}