using ServerCommon;
using System.Collections.Concurrent;
using ServerCore; using ServerBase;
using MetaAssets;
using UGQDatabase.Models;

namespace GameServer;

public class QuestTaskUpdateHandler
{
    private Player m_player;
    public UInt32 m_quest_id { get; set; } = 0;
    public UInt32 m_quest_revision { get; set; } = 0;
    public EQuestType m_quest_type { get; set; } = EQuestType.NONE;
    public QuestBaseInfo? m_quest_meta_info { get; set; } = null;
    public GameQuestDataEntity? m_game_quest_data { get; set; } = null;
    public QuestTaskGroup? m_quest_task_group { get; set; } = null;
    public ServerCommon.Quest? m_quest { get; set; } = null;
    public string m_active_event { get; set; } = string.Empty;
    public EQuestEventTargetType m_target_type { get; set; } = EQuestEventTargetType.NONE;
    public EQuestEventNameType m_name_type { get; set; } = EQuestEventNameType.NONE;

    public List<MetaAssets.Reward> m_rewards { get; set; } = new();
    public ConcurrentDictionary<int, int> m_deletable_items { get; set; } = new();


    public List<MetaAssets.Reward> m_rewarded_money { get; set; } = new();
    public List<Item> m_rewarded_items { get; set; } = new();
    public List<Item> m_deleted_items { get; set; } = new();

    public List<QuestEventFunction> m_last_check_functions { get; set; } = new();

    public bool m_need_counter_check { get; set; } = false;
    public int m_next_task_number { get; set; } = 0;

    public CommonResult m_common_result { get; set; } = new();

    public List<ILogInvoker> m_log_invokers { get; set; } = new();


    public QuestTaskUpdateHandler(Player player, UInt32 questId, UInt32 questRevision, string activeEvent)
    {
        m_player = player;
        m_quest_id = questId;
        m_quest_revision = questRevision;
        m_active_event = activeEvent;
    }

    public async Task<Result> init()
    {
        var quest_action = m_player.getEntityAction<QuestAction>();

        (var result, var quest_meta_all_base_info) = await QuestMetaManager.It.getQuestMeta(m_player, m_quest_id, m_quest_revision);
        if (result.isFail()) return result;

        m_quest_meta_info = quest_meta_all_base_info.m_quest_base_info;
        NullReferenceCheckHelper.throwIfNull(m_quest_meta_info, () => $"m_quest_meta_info is null !!!");

        var quest_type = EnumHelper.convertEnumTypeAndValueStringToEnum(m_quest_meta_info.QuestType, EQuestType.NORMAL);
        m_quest_type = quest_type;
        result = quest_action.getQuest(quest_type, m_quest_id, out var quest);
        if (result.isFail()) return result;

        m_quest = quest;

        if (m_quest_revision > 0)
        { 
            var game_quest_data = quest_meta_all_base_info.m_quest_data_entity;
            NullReferenceCheckHelper.throwIfNull(game_quest_data, () => $"game_quest_data is null !!!");
            if (game_quest_data.UgqGameQuestDataForClient.UgqStateType == UgqStateType.Standby)
            {
                result.setFail(ServerErrorCode.UgqQuestShutdowned);
                return result;
            }
            else if (game_quest_data.UgqGameQuestDataForClient.UgqStateType == UgqStateType.Shutdown || game_quest_data.Shutdown == true)
            {
                result.setFail(ServerErrorCode.UgqQuestShutdowned);
                return result;
            }
            else if (game_quest_data.UgqGameQuestDataForClient.UgqStateType == UgqStateType.RevisionChanged)
            {
                result.setFail(ServerErrorCode.UgqQuestRevisionChanged);
                return result;
            }
        }
        return result;
    }

    public async Task<Result> init(Player player, ServerCommon.Quest quest)
    {
        (var result, var quest_meta_all_base_info) = await QuestMetaManager.It.getQuestMeta(m_player, m_quest_id, m_quest_revision);
        if (result.isFail()) return result;
        //var game_quest_data = quest_meta_all_base_info.m_quest_data_entity;
        m_quest_meta_info = quest_meta_all_base_info.m_quest_base_info;
        NullReferenceCheckHelper.throwIfNull(m_quest_meta_info, () => $"m_quest_meta_info is null !!!");

        var quest_type = EnumHelper.convertEnumTypeAndValueStringToEnum(m_quest_meta_info.QuestType, EQuestType.NORMAL);
        m_quest_type = quest_type;
        m_quest = quest;
        if (result.isFail()) return result;


        if (m_quest_revision > 0)
        {
            var game_quest_data = quest_meta_all_base_info.m_quest_data_entity;
            NullReferenceCheckHelper.throwIfNull(game_quest_data, () => $"game_quest_data is null !!!");
            if (game_quest_data.UgqGameQuestDataForClient.UgqStateType == UgqStateType.Shutdown)
            {
                result.setFail(ServerErrorCode.UgqQuestShutdowned);
                send_NTF_UGQ_STATE_CHANGED(player, result, m_quest_id, m_quest_revision);
                return result;
            }
            else if (game_quest_data.UgqGameQuestDataForClient.UgqStateType == UgqStateType.RevisionChanged)
            {
                result.setFail(ServerErrorCode.UgqQuestRevisionChanged);
                send_NTF_UGQ_STATE_CHANGED(player, result, m_quest_id, m_quest_revision);
                return result;
            }
        }


        return result;
    }

    private void send_NTF_UGQ_STATE_CHANGED(Player player, Result result, UInt32 questId, UInt32 questRevision)
    {
        if (result.getErrorCode() != ServerErrorCode.UgqQuestRevisionChanged && result.getErrorCode() != ServerErrorCode.UgqQuestShutdowned) return;

        var server_logic = GameServerApp.getServerLogic();

        var ntf_packet = new ClientToGame();
        ntf_packet.Message = new();
        ntf_packet.Message.NtfUgqStateChanged = new();
        ntf_packet.Message.NtfUgqStateChanged.ComposedQuestId = QuestHelper.convertQuestIdAndRevisionToUgqQuestId(questId, questRevision);

        ntf_packet.Message.NtfUgqStateChanged.State = UgqStateType.Shutdown;
        if (result.getErrorCode() == ServerErrorCode.UgqQuestRevisionChanged)
        {
            ntf_packet.Message.NtfUgqStateChanged.State = UgqStateType.RevisionChanged;
        }

        server_logic.onSendPacket(player, ntf_packet);
    }

}