local base = require("Battle/Logic/AI/Decision/Decision_Base")
local Decision_Wander = class("Decision_Wander", base)
local LuaConst=LuaConst
local FP=FP

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

    --瞬时
    self.IsOnce = false
end

--[[
    进入该Decision
--]]
function Decision_Wander:DecisionIn(entity, decisionData)
    entity.components.anim.NeedChangeWanderDir = true
end

--[[
    能否退出
    完成条件：时间到
--]]
function Decision_Wander:CanExit(entity, decisionData, command)
    local passFrame = LogicUpdateManager._clientHandleFrame - entity.components.aiBase.CurDecisionStartFrame
    local passTime = passFrame * LuaConst.TimeSpanMs
    if decisionData.IntParam2 >= 0 then
        return passTime > decisionData.IntParam2 * 1000
    else
        --新增机制，如果是负数，就认为是毫秒（为了拓展精度，又不希望影响原来的数据）
        return passTime > -decisionData.IntParam2
    end
end

--[[
    输出指令
--]]
function Decision_Wander:SetCommand(entity, decisionData, command)
    command.DecisionID = decisionData.ID
    
    local target = entity.components.target.Target
    if target then
        command.RotateDir:Reset(target.components.move.LogicPos):Sub(entity.components.move.LogicPos)
    end

    entity.components.anim:SetCurAnimStartDir() -- 需要试试更新动作朝向
    
    return command
end


function Decision_Wander:Handle(entity, decisionData, stateType, animName)
    local comp_Anim = entity.components.anim
    --if comp_Anim.IsCurAnimOver then
        if decisionData.IntParam1 == 1 then
            animName = "walk_front_loop"
        elseif decisionData.IntParam1 == 2 then
            animName = "walk_back_loop"
        elseif decisionData.IntParam1 == 3 then
            local random = LogicRandom.GetRangeValue(entity, 0, 100 ,1022)
            animName = FP.Greater(random,50) and "walk_left_loop" or "walk_right_loop"
        end
    --end

    local comp_AIBase = entity.components.aiBase
    if comp_AIBase.CurStateType == LuaConst.StateType.Wander and not comp_Anim.IsCurAnimOver then
        return LuaConst.StateType.None, nil
    else
        return LuaConst.StateType.Wander, animName
    end

end

return Decision_Wander