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


using Newtonsoft.Json;


using ServerCore;
using ServerBase;
using MetaAssets;


using USER_GUID = System.String;


namespace ServerCommon;

public class UgqQuestInfo
{
    [JsonProperty()]
    public UInt32 QuestRevision { get; set; } = 0;

    [JsonProperty()]
    public Int32 QuestCost { get; set; } = 0;

    [JsonProperty()]
    public UgqStateType UqgState { get; set; } = UgqStateType.None;
}

public class QuestAttribute : EntityAttributeBase, ICopyEntityAttributeFromDoc, IMergeWithEntityAttribute
{
    [JsonProperty()]
    public UInt32 QuestId { get; set; } = 0;

    [JsonProperty()]
    public EQuestType QuestType { get; set; } = EQuestType.NONE;

    [JsonProperty()]
    public UgqQuestInfo UgqInfo { get; set; } = new();

    [JsonProperty()]
    public DateTime QuestAssignTime { get; set; } = DateTimeHelper.Current;

    [JsonProperty()]
    public Int32 CurrentTaskNum { get; set; } = 0;

    [JsonProperty()]
    public DateTime TaskStartTime { get; set; } = DateTimeHelper.Current;

    [JsonProperty()]
    public DateTime QuestCompleteTime { get; set; } = DateTimeHelper.Current;


    public List<string> ActiveEvents { get; set; } = new();

    public Int32 HasCounter { get; set; } = 0;


    public Int32 MinCounter { get; set; } = 0;

    public Int32 MaxCounter { get; set; } = 0;


    public Int32 CurrentCounter { get; set; } = 0;

    public Int32 IsComplete { get; set; } = 0;


    public Int32 ReplacedRewardGroupId { get; set; } = 0;


    public Int32 HasTimer { get; set; } = 0;


    public DateTime TimerCompleteTime { get; set; } = DateTimeHelper.Current;

    [JsonProperty()]
    public Int32 CurrentTaskComplete { get; set; } = 0;

    [JsonProperty()]
    public List<string> CompletedIdxStrings { get; set; } = new();

    public QuestDoc? m_quest_doc_nullable { get; set; } = null;

    public QuestAttribute(EntityBase owner, EntityBase entityOfOwnerEntityType)
        : base(owner, entityOfOwnerEntityType)
    {
    }


    public override void onClear()
    {
        QuestId = 0;
        QuestType = EQuestType.NONE;
        UgqInfo = new();
        QuestAssignTime = new();
        CurrentTaskNum = 0;
        TaskStartTime = new();
        QuestCompleteTime = new();
        ActiveEvents.Clear();
        HasCounter = 0;
        MinCounter = 0;
        MaxCounter = 0;
        CurrentCounter = 0;
        IsComplete = 0;
        ReplacedRewardGroupId = 0;
        HasTimer = 0;
        TimerCompleteTime = new();
        CurrentTaskComplete = 0;
        CompletedIdxStrings.Clear();

        m_quest_doc_nullable = null;

        getAttributeState().reset();
    }


    public override async Task<(Result, DynamoDbDocBase?)> toDocBase(bool isForQuery = true)
    {
        var owner = getOwner();
        NullReferenceCheckHelper.throwIfNull(owner, () => $"player is null !!!");

        var result = new Result();

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

        var acoount_attribute = owner.getRootParent().getEntityAttribute<AccountAttribute>();
        NullReferenceCheckHelper.throwIfNull(acoount_attribute, () => $"acoount_attribute is null !!! - {owner.toBasicString()}");

        USER_GUID user_guid = acoount_attribute.UserGuid;

        //=====================================================================================
        // Attribute => try pending Doc
        //=====================================================================================
        var try_pending_doc = getTryPendingDocBase() as QuestDoc;
        if (null == try_pending_doc)
        {
            var to_copy_doc = new QuestDoc(user_guid, QuestId, UgqInfo.QuestRevision);

            var origin_doc = getOriginDocBase<QuestAttribute>();
            if (null != origin_doc)
            {
                to_copy_doc.copyTimestampsFromOriginDocBase(origin_doc);
            }

            try_pending_doc = to_copy_doc;

            setTryPendingDocBase(try_pending_doc);
        }

        var to_copy_quest_attrib = try_pending_doc.getAttrib<QuestAttrib>();
        NullReferenceCheckHelper.throwIfNull(to_copy_quest_attrib, () => $"to_copy_quest_attrib is null !!!");

        to_copy_quest_attrib.m_quest_id = QuestId;
        to_copy_quest_attrib.m_ugq_quest_info = new UgqQuestInfo();
        to_copy_quest_attrib.m_ugq_quest_info.QuestRevision = UgqInfo.QuestRevision;
        to_copy_quest_attrib.m_ugq_quest_info.QuestCost = UgqInfo.QuestCost;
        to_copy_quest_attrib.m_ugq_quest_info.UqgState = UgqInfo.UqgState;
        to_copy_quest_attrib.m_quest_type = QuestType;
        to_copy_quest_attrib.m_ugq_quest_info = UgqInfo;
        to_copy_quest_attrib.m_quest_assign_time = QuestAssignTime;
        to_copy_quest_attrib.m_current_task_num = CurrentTaskNum;
        to_copy_quest_attrib.m_task_start_time = TaskStartTime;
        to_copy_quest_attrib.m_quest_complete_time = QuestCompleteTime;
        to_copy_quest_attrib.m_active_events = ActiveEvents;
        to_copy_quest_attrib.m_has_counter = HasCounter;
        to_copy_quest_attrib.m_min_counter = MinCounter;
        to_copy_quest_attrib.m_max_counter = MaxCounter;
        to_copy_quest_attrib.m_current_counter = CurrentCounter;
        to_copy_quest_attrib.m_is_complete = IsComplete;
        to_copy_quest_attrib.m_replaced_reward_group_id = ReplacedRewardGroupId;
        to_copy_quest_attrib.m_has_timer = HasTimer;
        to_copy_quest_attrib.m_timer_complete_time = TimerCompleteTime;
        to_copy_quest_attrib.m_is_current_task_complete = CurrentTaskComplete;
        to_copy_quest_attrib.m_completed_idx_strings = CompletedIdxStrings;

        if (false == isForQuery)
        {
            return (result, try_pending_doc);
        }

        //=====================================================================================
        // Doc QueryType 반영
        //=====================================================================================
        (result, var to_query_doc) = await applyDoc4Query(try_pending_doc);
        if (result.isFail())
        {
            return (result, null);
        }

        return (result, to_query_doc);
    }

    public override EntityAttributeBase onCloned()
    {
        var owner_entity_type = getEntityOfOwnerEntityType();
        NullReferenceCheckHelper.throwIfNull(owner_entity_type, () => $"owner_entity_type is null !!!");

        var cloned = new QuestAttribute(getOwner(), owner_entity_type);
        cloned.deepCopyFromBase(this);

        cloned.QuestId = QuestId;
        cloned.QuestType = QuestType;
        cloned.UgqInfo = new();
        cloned.UgqInfo.QuestRevision = UgqInfo.QuestRevision;
        cloned.UgqInfo.QuestCost = UgqInfo.QuestCost;
        cloned.UgqInfo.UqgState = UgqInfo.UqgState;
        cloned.QuestAssignTime = QuestAssignTime;
        cloned.CurrentTaskNum = CurrentTaskNum;
        cloned.TaskStartTime = TaskStartTime;
        cloned.QuestCompleteTime = QuestCompleteTime;
        cloned.ActiveEvents.AddRange(ActiveEvents);
        cloned.HasCounter = HasCounter;
        cloned.MinCounter = MinCounter;
        cloned.MaxCounter = MaxCounter;
        cloned.CurrentCounter = CurrentCounter;
        cloned.IsComplete = IsComplete;
        cloned.ReplacedRewardGroupId = ReplacedRewardGroupId;
        cloned.HasTimer = HasTimer;
        cloned.TimerCompleteTime = TimerCompleteTime;
        cloned.CurrentTaskComplete = CurrentTaskComplete;
        cloned.CompletedIdxStrings.AddRange(CompletedIdxStrings);

        return cloned;
    }

    public Result onMerge(EntityAttributeBase otherEntityAttribute)
    {
        var result = new Result();
        if(getAttributeState().hasFlag(StateType.Removed))
        {
            return result;
        }

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

        var err_msg = string.Empty;

        if (null == otherEntityAttribute)
        {
            err_msg = $"Invalid Param !!!, otherEntityAttribute is null";
            result.setFail(ServerErrorCode.FunctionParamNull, err_msg);
            Log.getLogger().error(result.toBasicString());
            return result;
        }
        var other_attribute = otherEntityAttribute as QuestAttribute;
        if (null == other_attribute)
        {
            err_msg = $"Failed to cast QuestAttribute !!!, other_attribute is null";
            result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        //=====================================================================================
        // OtherAttribute => Attribute
        //=====================================================================================
        QuestId = other_attribute.QuestId;
        QuestType = other_attribute.QuestType;
        UgqInfo = new UgqQuestInfo();
        UgqInfo.QuestCost = other_attribute.UgqInfo.QuestCost;
        UgqInfo.QuestRevision = other_attribute.UgqInfo.QuestRevision;
        UgqInfo.UqgState = other_attribute.UgqInfo.UqgState;
        QuestAssignTime = other_attribute.QuestAssignTime;
        CurrentTaskNum = other_attribute.CurrentTaskNum;
        TaskStartTime = other_attribute.TaskStartTime;
        QuestCompleteTime = other_attribute.QuestCompleteTime;
        ActiveEvents = other_attribute.ActiveEvents;
        HasCounter = other_attribute.HasCounter;
        MinCounter = other_attribute.MinCounter;
        MaxCounter = other_attribute.MaxCounter;
        CurrentCounter = other_attribute.CurrentCounter;
        IsComplete = other_attribute.IsComplete;
        ReplacedRewardGroupId = other_attribute.ReplacedRewardGroupId;
        HasTimer = other_attribute.HasTimer;
        TimerCompleteTime = other_attribute.TimerCompleteTime;
        CurrentTaskComplete = other_attribute.CurrentTaskComplete;
        CompletedIdxStrings = other_attribute.CompletedIdxStrings.ToList();

        //=====================================================================================
        // Attribute Try Pending Doc => Origin Doc
        //=====================================================================================
        var try_pending_doc = other_attribute.getTryPendingDocBase() as QuestDoc;
        if (null != try_pending_doc)
        {
            other_attribute.resetTryPendingDocBase();

            syncOriginDocBaseWithNewDoc<QuestAttribute>(try_pending_doc);
        }

        var origin_doc_base = getOriginDocBase<QuestAttribute>();
        if (null == origin_doc_base)
        {
            // DB 에 저장되어 있지 않는 경우 OriginDoc은 null 이다 !!!
            return result;
        }

        var quest_attrib = origin_doc_base.getAttrib<QuestAttrib>();
        NullReferenceCheckHelper.throwIfNull(quest_attrib, () => $"quest_attrib is null !!! - {owner.toBasicString()}");

        quest_attrib.m_quest_id = QuestId;
        quest_attrib.m_quest_type = QuestType;
        quest_attrib.m_ugq_quest_info = new UgqQuestInfo();
        quest_attrib.m_ugq_quest_info.QuestCost = UgqInfo.QuestCost;
        quest_attrib.m_ugq_quest_info.QuestRevision = UgqInfo.QuestRevision;
        quest_attrib.m_ugq_quest_info.UqgState = UgqInfo.UqgState;
        quest_attrib.m_quest_assign_time = QuestAssignTime;
        quest_attrib.m_current_task_num = CurrentTaskNum;
        quest_attrib.m_task_start_time = TaskStartTime;
        quest_attrib.m_quest_complete_time = QuestCompleteTime;
        quest_attrib.m_active_events = other_attribute.ActiveEvents;
        quest_attrib.m_has_counter = HasCounter;
        quest_attrib.m_min_counter = other_attribute.MinCounter;
        quest_attrib.m_max_counter = MaxCounter;
        quest_attrib.m_current_counter = CurrentCounter;
        quest_attrib.m_is_complete = IsComplete;
        quest_attrib.m_replaced_reward_group_id = ReplacedRewardGroupId;
        quest_attrib.m_has_timer = HasTimer;
        quest_attrib.m_timer_complete_time = TimerCompleteTime;
        quest_attrib.m_is_current_task_complete = CurrentTaskComplete;
        quest_attrib.m_completed_idx_strings = CompletedIdxStrings.ToList();

        return result;
    }

    public bool copyEntityAttributeFromDoc(DynamoDbDocBase customDoc)
    {
        return true;
    }

    public override IEntityAttributeTransactor onNewEntityAttributeTransactor()
    {
        
        return new QuestsAttributeTransactor(getOwner());
    }
}


public class QuestsAttributeTransactor : EntityAttributeTransactorBase<QuestAttribute>
{
    public QuestsAttributeTransactor(EntityBase owner)
        : base(owner)
    {
    }

    public bool copyEntityAttributeTransactorBaseFromEntityAttribute(EntityAttributeBase? entityAttributeBase)
    {
        //아직 미사용
        Log.getLogger().info("copyEntityDbTransactBaseFromEntityAttribute call");

        return true;
    }
}