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-- 作者： 杨全福
-- 日期： 2021-03-05
-- 文件： NpcTalkSystem.lua
-- 模块： NpcTalkSystem
-- 描述： NPC对话系统
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local L_DefaultClipName = "idle"

local NpcTalkSystem = {
   --当前任务对话ID (默认对话 _talkId = -1)
   TalkId = -1,
   --对话NPC 
   ModelId = -1,
   PreModelId = -1,
   --是否可提交任务
   CanSubmit = false,
   --是否可以接取任务
   CanAccess = false,
   Npc = nil,
   NpcCfgID = 0,
   Task = nil,
   ClipName = "",
   NextClipName = "",
   --当前播放动状态
   CurPlayState = NpcTalkAnimPlayState.Default,
}

--是否还有后续对话
function NpcTalkSystem:IsEnd()
    if self.TalkId == -1 then
        return true
    end
    return GameCenter.LuaTaskManager:IsEndDialogue(self.TalkId)
end

--打开NPC对话
function NpcTalkSystem:OpenNpcTalk(npc, taskID, isTaskOpenUI, openUIParam)
    if taskID == nil then
        taskID = 0
    end
    if isTaskOpenUI == nil then
        isTaskOpenUI = false
    end
    if npc == nil then
        return
    end
    local _npcCfgId = npc.PropMoudle.CfgID
    local _npcCfg = DataConfig.DataNpc[_npcCfgId]
    if _npcCfg == nil then
        return
    end
    self.Npc = npc
    self.NpcCfgID = _npcCfgId
    self.ClipName = L_DefaultClipName
    self.NextClipName = L_DefaultClipName
    self.ModelId = -1
    if isTaskOpenUI then
        if _npcCfg.BindFunctionID > 0 then
            --检查引导
            if not GameCenter.GuideSystem:Check(GuideTriggerType.ChickOpenUITask, taskID) then
                --当前NPC如果绑定了功能,打开一个功能
                if openUIParam ~= nil then
                    GameCenter.MainFunctionSystem:DoFunctionCallBack(_npcCfg.BindFunctionID, openUIParam)
                else
                    GameCenter.MainFunctionSystem:DoFunctionCallBack(_npcCfg.BindFunctionID, _npcCfg.BindFunctionParams)
                end
            end
        end
    else
        if _npcCfg.IsReqNPC == 1 then
            GameCenter.Netword.Send("MSG_Npc.ReqClickNpc", {id = npc.ID})
            return
        end
        local _talkText = nil
        self.TalkId = -1
        self.CanSubmit = false
        self.CanAccess = false
        GameCenter.LuaTaskManager.CurSelectTaskID = taskID
        self.Task = GameCenter.LuaTaskManager:GetNpcTask(_npcCfgId)
        if self.Task == nil then
            if _npcCfg.BindFunctionID > 0 then
                --当前NPC如果绑定了功能,打开一个功能
                GameCenter.MainFunctionSystem:DoFunctionCallBack(_npcCfg.BindFunctionID, _npcCfg.BindFunctionParams)
            elseif _npcCfg.FuncType > 0 then
                --如果NPC的功能类型大于0,则打开一个窗体
                GameCenter.PushFixEvent(UIEventDefine.UINpcFunctionForm_OPEN, _npcCfgId)
            else
                --任务没有被接取（或者没有达成接取任务的目标）默认对话
                local _lp = GameCenter.GameSceneSystem:GetLocalPlayer()
                if _lp ~= nil then
                    local _occ = _lp.IntOcc
                    if _occ == _npcCfg.Professional then
                        _talkText = _npcCfg.ProfessionalDialog
                    else
                        _talkText = _npcCfg.Dialog
                    end
                end
                self.ModelId = _npcCfgId
                GameCenter.PushFixEvent(UIEventDefine.UINpcTalkForm_OPEN, _talkText)
            end
        else
            --拥有任务
            GameCenter.LuaTaskManager.CurSelectTaskID = self.Task.Data.Id
            --Talk = _talk, TalkId = _talkId, ModelId = _modelId
            local _talkData = GameCenter.LuaTaskManager:GetTaskTalk(self.Task, self.TalkId, self.ModelId)
            if _talkData ~= nil then
                _talkText = _talkData.Talk
                self.TalkId = _talkData.TalkId
                self.ModelId = _talkData.ModelId
            end
            local _talkCfg = DataConfig.DataTaskTalk[self.TalkId]
            if _talkCfg ~= nil then
                if _talkCfg.ShowName == 1 then
                    local _lp = GameCenter.GameSceneSystem:GetLocalPlayer()
                    if _lp ~= nil then
                        _talkText = UIUtils.CSFormat(_talkText, _lp.Name)
                    end
                end
            end
            if self.Task.Data.IsAccess then
                self.CanSubmit = GameCenter.LuaTaskManager:CanSubmitTaskEx(self.Task)
            else
                self.CanAccess = true
            end
            if _talkCfg ~= nil then
                GameCenter.PushFixEvent(UIEventDefine.UINpcTalkForm_OPEN, _talkText)
                self.ClipName = _talkCfg.Animation
            end
            self.NextClipName = self.ClipName
        end
    end

    --NPC转向
    local _lp = GameCenter.GameSceneSystem:GetLocalPlayer()
    if _lp ~= nil then
        npc:LookAtPosition(_lp.Position2d)
    end
end

--设置下一条对话
function NpcTalkSystem:GetNextTalk()
    self.ClipName = self.NextClipName
    local _cfg = DataConfig.DataTaskTalk[self.TalkId]
    if _cfg ~= nil then
        if _cfg.Nextid ~= 0 then
            self.TalkId = _cfg.Nextid
            _cfg = DataConfig.DataTaskTalk[self.TalkId]
            if _cfg ~= nil then
                local _talkText = _cfg.Content
                self.PreModelId = self.ModelId
                self.ModelId = _cfg.Model
                if _cfg.ShowName == 1 then
                    local _lp = GameCenter.GameSceneSystem:GetLocalPlayer()
                    if _lp ~= nil then
                        _talkText = UIUtils.CSFormat(_talkText, _lp.Name)
                    end
                end
                self.NextClipName = _cfg.Animation
                return _talkText
            end
        end
    end
    return nil
end

function NpcTalkSystem:GetCurSpeechName()
    local _ret = ""
    local _cfg = DataConfig.DataTaskTalk[self.TalkId]
    if _cfg ~= nil then
        return _cfg.Speech
    end
    return _ret
end

function NpcTalkSystem:Reset()
    self.ModelId = -1
end

--切换播放状态
function NpcTalkSystem:ChangePlayState(state)
    self.CurPlayState = state
end

--是否可以强制播放下一动作片段
function NpcTalkSystem:IsCanPlayNextAnim()
    if self.ClipName ~= L_DefaultClipName then
        return false
    else
        return true
    end
end

--是否播放默认动作片段
function NpcTalkSystem:IsPlayDefaultAnim()
    return self.NextClipName == L_DefaultClipName
end

return NpcTalkSystem