using System.Collections.Concurrent;
using System.Text;


using Microsoft.Extensions.Primitives;



using ServerCore;
using ServerBase;



namespace ServerCommon;

/*
 * QustSript 체크후 
 * m_event_check_keys, m_function_check_keys 이 두 변수에 데이터가 남아 있으면 안된다.
 */
public class QuestMetaValidateHandler
{
    private UInt32 m_quest_id { get;  } = 0;

    private ConcurrentDictionary<string, int> m_event_checkers { get; } = new();
    private ConcurrentDictionary<string, int> m_function_checkers { get; }= new();

    public QuestMetaValidateHandler()
    {
        
    }

    public QuestMetaValidateHandler(UInt32 questId)
    {
        m_quest_id = questId;
    }


    //해당 이벤트가 체크되어야햘 항목에 있는지 확인하고 있으면 삭제 처리
    public void checkEventTarget(string eventTarget, string eventName, string eventCond1, string eventCond2, string eventCond3)
    {
        StringBuilder str_builder = new();
        if (eventTarget.Equals(EQuestEventTargetType.TASK.ToString()) && eventName.Equals(EQuestEventNameType.ACTIVED.ToString()))
        {
            str_builder.Append(eventTarget).Append(eventName).Append(eventCond1);
        }
        else if (eventTarget.Equals(EQuestEventTargetType.TRIGGER.ToString()) && eventName.Equals(EQuestEventNameType.ENTERED.ToString()))
        {
            str_builder.Append(eventTarget).Append(eventName).Append(eventCond1);
        }
        else if (eventTarget.Equals(EQuestEventTargetType.DIALOGUE.ToString()) &&
                 eventName.Equals(EQuestEventNameType.ENDED.ToString()))
        {
            str_builder.Append(eventTarget).Append(eventName).Append(eventCond1);
        }

        decreaseEventChecker(str_builder.ToString());
    }
    
    //해당 펑션이 체크되어야햘 항목에 있는지 확인하고 있으면 삭제 처리
    public void checkFuncTarget(string funcTarget, string funcName, string funcCond1, string funcCond2, string funcCond3)
    {
        StringBuilder str_builder = new();
        if (funcTarget.Equals(EQuestFunctionTargetType.TASK.ToString()) && funcName.Equals(EQuestFunctionNameType.TITLE_UPDATE.ToString()))
        {
            str_builder.Append(funcTarget).Append(funcName).Append(funcCond1);
        }
        else if (funcTarget.Equals(EQuestFunctionTargetType.TASK.ToString()) && funcName.Equals(EQuestFunctionNameType.LOCATION.ToString()))
        {
            str_builder.Append(funcTarget).Append(funcName);
        }
        else if (funcTarget.Equals(EQuestFunctionTargetType.QUEST.ToString()) && funcName.Equals(EQuestFunctionNameType.COMPLETE.ToString()))
        {
            str_builder.Append(funcTarget).Append(funcName).Append(funcCond1);
        }
        
        decreaseFuncChecker(str_builder.ToString());
    }
    
    //해당 이벤트 타겟에 대한 체크항목 생성
    //여기에 계속 추가해야한다.
    public void makeEventTargetValidator(string eventTarget, string eventName, string eventCond1, string eventCond2, string eventCond3)
    {
        if (eventTarget.Equals(EQuestEventTargetType.TASK.ToString()) && eventName.Equals(EQuestEventNameType.ACTIVED.ToString()))
        {
            _ = new QuestValidatorForTaskActived(this, eventCond1);
        }
    }
    
    //해당 펑션 타겟에 대한 체크항목 생성
    //여기에 계속 추가해야 한다. 
    public void makeFuncTargetValidator(string funcTarget, string funcName, string funcCond1, string funcCond2, string funcCond3)
    {
        if (funcTarget.Equals(EQuestEventTargetType.TRIGGER.ToString()) && funcName.Equals(EQuestFunctionNameType.SET.ToString()))
        {
            _ = new QuestValidatorForTriggerSet(this, funcCond1);
        }
        else if (funcTarget.Equals(EQuestEventTargetType.NPC.ToString()) &&
                 funcName.Equals(EQuestFunctionNameType.DIALOGUE_SET.ToString()))
        {
            _ = new QuestValidatorForNpcDialogueSet(this, funcCond2);
        }

    }
    
    public void addEventChecker(string eventStr)
    {
        int update_cnt = 0;
        if (false == m_event_checkers.TryGetValue(eventStr, out var cnt))
        {
            update_cnt = 1;
            m_event_checkers.TryAdd(eventStr, update_cnt);
        }
        else
        {
            update_cnt = ++cnt;
            m_event_checkers.AddOrUpdate(eventStr, update_cnt, (s, i) => update_cnt);
        }
    }

    public void decreaseEventChecker(string eventStr)
    {
        if (m_event_checkers.ContainsKey(eventStr))
        {
            m_event_checkers.TryGetValue(eventStr, out var cnt);
            var update_cnt = --cnt;
                
            if (update_cnt <= 0)
            {
                m_event_checkers.TryRemove(eventStr, out _);    
            }
            else
            {
                m_event_checkers.AddOrUpdate(eventStr, update_cnt, (s, i) => update_cnt);
            }
        }
    }

    public void addFunctionChecker(string functionStr)
    {
        int update_cnt = 0;
        if (false == m_function_checkers.TryGetValue(functionStr, out var cnt))
        {
            update_cnt = 1;
            m_function_checkers.TryAdd(functionStr, update_cnt);
        }
        else
        {
            update_cnt = ++cnt;
            m_function_checkers.AddOrUpdate(functionStr, update_cnt, (s, i) => update_cnt);
        }
    }

    public void decreaseFuncChecker(string funcStr)
    {
        if (m_function_checkers.ContainsKey(funcStr))
        {
            m_function_checkers.TryGetValue(funcStr, out var cnt);
            var update_cnt = --cnt;
                
            if (update_cnt <= 0)
            {
                m_function_checkers.TryRemove(funcStr, out _);    
            }
            else
            {
                m_function_checkers.AddOrUpdate(funcStr, update_cnt, (s, i) => update_cnt);
            }
                
        }
    }

    public void remainDataCheck(ValidatorErrorCollection errors)
    {
        List<ValidattionError> error_list = new();
        if (m_event_checkers.Keys.Count > 0)
        {
            foreach (var checker in m_event_checkers)
            {
                ValidattionError validation_error = new();
                validation_error.Name = "Quest Script Event Validation Error";
                validation_error.ArrayIndex = (int)m_quest_id;
                validation_error.Message = $"quest : {m_quest_id}, {checker.Key} is not checked, cnt : {checker.Value}";
                error_list.Add(validation_error);
            }
        }

        if (m_function_checkers.Keys.Count > 0)
        {
            foreach (var checker in m_function_checkers)
            {
                ValidattionError validation_error = new();
                validation_error.Name = "Quest Script Func Validation Error";
                validation_error.ArrayIndex = (int)m_quest_id;
                validation_error.Message = $"quest : {m_quest_id}, {checker.Key} is not checked, cnt : {checker.Value}";
                error_list.Add(validation_error);
            }   
        }

        if (error_list.Count > 0)
        {
            //원래 검증 완료하면 여기에 추가를 해서 서버가 안뜨게 해야 되는게 맞는데
            //지금 엑섹을 만들었다 지우면서 발생한 쓰레기 json이 퀘스트로 등록이 되는 상황이라 이런경우 어떠허게 처리해야될지 정리후에 
            //errors 로 넘긴다
            //그 전까진 error log만 남긴다.
            //errors.Errors.TryAdd("Quest Script Error", error_list);

            foreach (var error in error_list)
            {
                Log.getLogger().warn($"[ Quest : {m_quest_id}] Script Validation Error : {error.Message}");
            }

        }

        
    }


}