local Action_AutoHealing = {
    -- 可配置参数定义，参数将显示在Action配置面板
    -- 例：
    -- MyIntParameter = 0
    InjuryDelay = 1;
    LimitPercent = 0.8;
    HealingNum = 12.5; -- 每秒钟回血量百分比
    HealingInterval = 0.3
}

-- 触发器激活时，将执行Action的Execute
function Action_AutoHealing:Execute(...)
    if DefaultSettings.EnableHealing then
        GlobalTickTool:AddTick(self, self.CustomTick, self.HealingInterval);
        -- 绑定伤害
        UGCEventSystem.AddListener(EventTypes.PlayerInjury, self.OnPlayerTakeDamage, self)
        UGCEventSystem.AddListener(EventTypes.AddPlayer, self.OnAddPlayer, self)
    end
    return true
end

function Action_AutoHealing:OnAddPlayer(InPlayerKey, InTeamID, IsAdd)
    if self.PlayerList == nil then self.PlayerList = {}; end
    if IsAdd then self.PlayerList[InPlayerKey] = { StartTime = 0, } end
    UGCLogSystem.LogTree(string.format("[Action_AutoHealing:OnAddPlayer] self.PlayerList ="), self.PlayerList)
end

--- 每 0.3 秒检测一次
function Action_AutoHealing:CustomTick(dt, ServerTime)
    if not table.isEmpty(self.PlayerList) then
        for i, v in pairs(self.PlayerList) do
            --UGCLogSystem.Log("[Action_AutoHealing:CustomTick] 执行, ServerTime = %f, PlayerKey = %s", ServerTime, tostring(i));
            local Pawn = UGCGameSystem.GetPlayerPawnByPlayerKey(i);
            local CurrHealth = UGCPawnAttrSystem.GetHealth(Pawn);
            local MaxHealth = UGCPawnAttrSystem.GetHealthMax(Pawn);
            local TargetHealth = MaxHealth * self.LimitPercent;
            if Pawn and v.StartTime + self.InjuryDelay <= ServerTime and CurrHealth <= TargetHealth then
                local Health = math.clamp(self.HealingNum * 0.01 * self.HealingInterval * MaxHealth + CurrHealth, 0, TargetHealth)
                UGCLogSystem.Log("[BuffAction_AutoHealing:CustomTick] Health = %f", Health);
                UGCPawnAttrSystem.SetHealth(Pawn, Health);
            end
        end
    end
end

function Action_AutoHealing:OnPlayerTakeDamage(InjuryKey, CauserKey, Damage)
    UGCLogSystem.Log("[Action_AutoHealing:OnPlayerTakeDamage] Injury = %s", InjuryKey);
	self.PlayerList[InjuryKey].StartTime = UE.GetServerTime() + self.InjuryDelay;
end

--[[
-- 需要勾选Action的EnableTick，才会执行Update
-- 触发器激活后，将在每个tick执行Action的Update，直到self.bEnableActionTick为false
function Action_AutoHealing:Update(DeltaSeconds)

end
]]

return Action_AutoHealing