using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


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


using SESSION_ID = System.Int32;
using WORLD_META_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;


namespace GameServer
{
    public class TestCharacterCreator : EntityCreatorBase
    {
        private ServerCommon.BusinessLogDomain.CharacterCreateLogInfo m_character_create_log = new();
        private ServerCommon.BusinessLogDomain.CharacterLogInfo m_character_log = new();

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

        public override async Task<Result> onPrepareCreate()
        {
            var result = new Result();
            var err_msg = string.Empty;

            var owner = getOwner();

            var user_create_or_load_action = owner.getEntityAction<UserCreateOrLoadAction>();
            NullReferenceCheckHelper.throwIfNull(user_create_or_load_action, () => $"user_create_or_load_action is null !!! - {owner.toBasicString()}");
            var user_attribute = getOwner().getEntityAttribute<UserAttribute>();
            NullReferenceCheckHelper.throwIfNull(user_attribute, () => $"user_attribute is null !!! - {owner.toBasicString()}");

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

            var character_attribute = character.getEntityAttribute<CharacterAttribute>();
            NullReferenceCheckHelper.throwIfNull(character_attribute, () => $"character_attribute is null !!!- {owner.toBasicString()}");

            var to_add_write_docs = new List<DynamoDbDocBase>();

            // 1. CharacterBaseDoc 정보를 구성 한다.
            (result, CharacterBaseDoc? new_character_base_doc) = await MetaHelper.fillupCharacterBaseDocByTestUserCreateData(user_attribute, character_attribute);
            if (result.isFail())
            {
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(new_character_base_doc, () => $"new_character_base_doc is null !!! - {owner.toBasicString()}");

            to_add_write_docs.Add(new_character_base_doc);

            foreach (var to_write_doc in to_add_write_docs)
            {
                result = addWriteDocBase(to_write_doc);
                if (result.isFail())
                {
                    return result;
                }
            }

            user_create_or_load_action.setReservedCharacterForCreation(character);

            // 2. UserBaseDoc 정보를 갱신 한다. SelectedCharacterGuid 설정 !!!
            user_attribute.SelectedCharacterGuid = character_attribute.CharacterGuid;
            user_attribute.modifiedEntityAttribute();

            var user_base_doc = user_attribute.onCreateDocBase() as UserBaseDoc;
            NullReferenceCheckHelper.throwIfNull(user_base_doc, () => $"user_base_doc is null !!! - {owner.toBasicString()}");

            result = await user_attribute.fillupDoc4QueryWithAttribute(user_base_doc);
            if (result.isFail())
            {
                return result;
            }

            result = addWriteDocBase(user_base_doc);
            if (result.isFail())
            {
                return result;
            }

            (result, TestUserCreateMetaData? found_test_user_create_data) = await MetaHelper.getTestUserCreateDataByAccountId(user_attribute.AccountId);
            if (result.isFail())
            {
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(found_test_user_create_data, () => $"found_test_user_create_data is null !!! - {owner.toBasicString()}");

            setCompetedPrepareCreate(true);

            // CharacterCreate 로그 설정
            m_character_create_log.CharacterGuid = character_attribute.CharacterGuid;
            m_character_create_log.CharacterPK = new_character_base_doc.getPK();
            m_character_create_log.CharacterSK = new_character_base_doc.getSK();
            m_character_create_log.CharacterCreateMetaType = found_test_user_create_data.getTypeName();
            m_character_create_log.CharacterCreateMetaId = (META_ID)found_test_user_create_data.MetaId;

            // 3. 유저 닉네임이 생성된 경우는 즉시 캐릭터 정보를 생성 한다.
            if (user_create_or_load_action.isCreatedUserNickname())
            {
                await onTriggerEffect();
            }

            Log.getLogger().info($"Step Prepare Create Test Character Success : onPrepareCreate() - {owner.toBasicString()}");

            return result;
        }

        public override async Task<Result> onTriggerEffect()
        {
            var owner = getOwner();

            var user_create_or_load_action = owner.getEntityAction<UserCreateOrLoadAction>();
            NullReferenceCheckHelper.throwIfNull(user_create_or_load_action, () => $"user_create_or_load_action is null !!! - {owner.toBasicString()}");

            var server_logic = GameServerApp.getServerLogic();

            var result = new Result();
            var err_msg = string.Empty;

            if (false == isCompletedPrepareCreate())
            {
                err_msg = $"Not completed isCompletedPrepareCreate() !!! - {toBasicString()}, {owner.toBasicString()}";
                result.setFail(ServerErrorCode.TestCharacterPrepareCreateNotCompleted , err_msg);

                return result;
            }

            if (true == isCompleted())
            {
                err_msg = $"Test Character completed creation !!! - {toBasicString()}, {getOwner().toBasicString()}";
                Log.getLogger().info(err_msg);

                return result;
            }

            var batch = new QueryBatchEx<QueryRunnerWithDocument>( owner, LogActionType.CharacterCreate
                                                                 , server_logic.getDynamoDbClient()
                                                                 , true );
            {
                batch.addQuery(new DBQEntityWrite( getToWriteDocBases() ));
                batch.addQuery(new QueryFinal(), tryUpdateTestCharacterCreate);
            }

            return await QueryHelper.sendQueryAndBusinessLog(batch);
        }

        public async Task<QueryBatchBase.QueryResultType> tryUpdateTestCharacterCreate(QueryExecutorBase contextBase)
        {
            await Task.CompletedTask;

            var owner = getOwner();

            setCompleted();

            var user_create_or_load_action = owner.getEntityAction<UserCreateOrLoadAction>();
            NullReferenceCheckHelper.throwIfNull(user_create_or_load_action, () => $"user_create_or_load_action is null !!! - {owner.toBasicString()}");
            var reserved_create_character = user_create_or_load_action.getReservedCharacterForCreation();
            NullReferenceCheckHelper.throwIfNull(reserved_create_character, () => $"reserved_create_character is null !!! - {owner.toBasicString()}");

            var query_batch = contextBase.getQueryBatch();
            NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!! - {owner.toBasicString()}");
            var log_action = query_batch.getLogAction();
            NullReferenceCheckHelper.throwIfNull(log_action, () => $"log_action is null !!! - {owner.toBasicString()}");

            var character_attribute = reserved_create_character.getEntityAttribute<CharacterAttribute>();
            NullReferenceCheckHelper.throwIfNull(character_attribute, () => $"character_attribute is null !!! - {owner.toBasicString()}");

            (var result, var character_log_info) = await character_attribute.toCharacterLogInfo();
            if(result.isFail())
            {
                var err_msg = $"Failed to toCharacterLogInfo() !!! : {result.toBasicString()} - {toBasicString()}, {owner.toBasicString()}";
                Log.getLogger().error(err_msg);
            }
            else
            {
                NullReferenceCheckHelper.throwIfNull(character_log_info, () => $"character_log_info is null !!! - {owner.toBasicString()}");

                m_character_log.setInfo(character_log_info);

                // 비즈니스 로그 추가
                query_batch.appendBusinessLog(new CharacterCreateBusinessLog(log_action, DateTimeHelper.Current, m_character_create_log));
                query_batch.appendBusinessLog(new CharacterBusinessLog(log_action, m_character_log));
            }

            return QueryBatchBase.QueryResultType.Success;
        }
    }
}