-- 跑向某个entity，并与其进行index=1的交互

local Base = require("Battle/Logic/AI/Decision/Decision_Base")
local Decision_RunToAndInteract = class("Decision_RunToAndInteract", Base)
local ARRIVE_DIST_SQR = FP.newV1(1)
--[[
	初始化
--]]
function Decision_RunToAndInteract:initialize(entity)
    --类型
    self.Type = LuaConst.DecisionType.RunToAndInteract
    --瞬时
    self.IsOnce = false
end

--[[
	进入该Decision
--]]
function Decision_RunToAndInteract:DecisionIn(entity, decisionData)
    if entity.components.aiBase.runToAndInteractEntity then
        SystemManager.FindPath(entity, entity.components.aiBase.runToAndInteractEntity:GetLogicPos() , true)
    end
end

function Decision_RunToAndInteract:DecisionOut(entity, decisionData)
    entity.components.aiBase:SetRunToAndInteractEntity(nil)        --退出这个Decision时就清空DynamicPos
end

function Decision_RunToAndInteract:CanEnter(entity)
    return entity.components.aiBase.runToAndInteractEntity ~= nil
end

--[[
	能否退出
	退出条件：移动到固定目标点
--]]
function Decision_RunToAndInteract:CanExit(entity, decisionData, command)
    if entity.components.aiBase.runToAndInteractEntity == nil then
        return true
    end
    return false
end

--[[
	输出指令
--]]
function Decision_RunToAndInteract:SetCommand(entity, decisionData, command)
    local aiBaseComponent = entity.components.aiBase
    local decisionRecordDic = aiBaseComponent:GetDecisionRecordDic(decisionData)
    if self:ShouldBlockAI(decisionRecordDic) then
        return command
    end

    if self:HasPlayerInput(command)  then
        --如果有玩家输入，就直接把目标位置设为nil，这个会引发该Decision退出
        entity.components.aiBase:SetRunToAndInteractEntity(nil)
        return command
    end
    
    local runToAndInteractEntity = entity.components.aiBase.runToAndInteractEntity
    if not runToAndInteractEntity:IsValid() then
        entity.components.aiBase:SetRunToAndInteractEntity(nil)
    else
        if FP.V2.DistanceSqr(entity:GetLogicPos(), runToAndInteractEntity:GetLogicPos()) <= ARRIVE_DIST_SQR then -- 跑到了，则进行交互
            if entity.components.aiBase.CurStateType ~= LuaConst.StateType.Interact then
                command.SpecialCommand = LuaConst.SpecialCommandType.Interact
                command.MoveType = LuaConst.CmdMoveTypeBaseEnum.InteractBase + 1
            end
        else
            command = self:RunToPathPoint(entity, command, decisionData) -- 向其跑
        end
    end
    return command
end

return Decision_RunToAndInteract