local Base = require("Battle/Logic/AI/Decision/Decision_Base")
local Decision_ChangeFollowTarget = class("Decision_ChangeFollowTarget", Base)

--[[
	初始化
--]]
function Decision_ChangeFollowTarget:initialize(entity)
    --类型
    self.Type = LuaConst.DecisionType.ChangeFollowTarget

    --瞬时
    self.IsOnce = true

    self.searchParamDic = {} -- key ：decisionID  ，val: searchParam  类似对象池
end

--[[
    输出指令
--]]
function Decision_ChangeFollowTarget:SetCommand(entity, decisionData, command)
    command.DecisionID = decisionData.ID
    return command
end

--[[
    执行
--]]
function Decision_ChangeFollowTarget:Handle(entity, decisionData, stateType, animName)
    local disSqr = nil
    local conditionStr = nil
    local splits = string.split(decisionData.StringParam1,"|")
    for i,split in ipairs(splits) do
        if split == "WarnRange" then
            disSqr = entity.components.base.CurCharacterData.WarnRange
        else
            if not string.isNilOrEmpty(split) then
                conditionStr = split
            end
        end
    end

    if not disSqr then
        disSqr = FP.newV1(decisionData.IntParam1)
    end

    if conditionStr then
        local searchParam = self.searchParamDic[decisionData.ID]
        if searchParam == nil then
            local sortType = decisionData.IntParam3
            if decisionData.IntParam3 == 4 then
                sortType = LuaConst.ETargetSortType.RANDOM
            elseif decisionData.IntParam3 == 5 then
                sortType = LuaConst.ETargetSortType.DIST_NEAR
                logging.error(LTAG.ERROR, "[策划] ：AI的查询设置目标，目前未实现找npc ，AI-id = ", decisionData.ID)
            end
            searchParam =
            {
                campType = decisionData.IntParam2,
                conditionStr = conditionStr,
                regionParams = {
                    shapeType = LuaConst.ERegionShapeType.CIRCLE,
                    shapeNumParams = {FP.Math.Sqrt(disSqr)},
                },
                sortParams = {sortType = sortType},
                monsterTypes = {decisionData.IntParam4},
            }
            self.searchParamDic[decisionData.ID] = searchParam
        end
        local target = TargetManager.GetTarget(entity, searchParam)
        SystemManager.SetFollowTarget(entity, target)
    else
        SystemManager.OnSearchFollowTarget(entity, decisionData.IntParam2, disSqr, decisionData.IntParam3, decisionData.IntParam4)
    end
    
    return LuaConst.StateType.None,nil
end

return Decision_ChangeFollowTarget