local Action_SingleRespiratoryRegurgitation = {
    -- 可配置参数定义，参数将显示在Action配置面板
    -- 例：
    -- MyIntParameter = 0
    AddHealthFrequency = 5;
    ReplyPerSecond = 10.; -- 每一秒增加的血量
    WaitAddHealthTime = 3.;
}

-- 触发器激活时，将执行Action的Execute
function Action_SingleRespiratoryRegurgitation:Execute(...)
    -- 给玩家添加
    UGCEventSystem.AddListener(EventTypes.PlayerEnableRR, self.OnEnablePlayerRR, self);
    UGCEventSystem.AddListener(EventTypes.PlayerCause, self.PlayerVictim, self);
    self.Players = {};
    self.UpdateAddTime = 0.;
    
    self.bEnableActionTick = true
    return true
end

function Action_SingleRespiratoryRegurgitation:Update(DeltaSeconds)
    self.UpdateAddTime = self.UpdateAddTime + DeltaSeconds;
    if self.UpdateAddTime >= (1. / self.AddHealthFrequency) then
        self.UpdateAddTime = self.UpdateAddTime - (1. / self.AddHealthFrequency);
        self:AddPlayerHealth();
    end
end

-- 启动个人
function Action_SingleRespiratoryRegurgitation:OnEnablePlayerRR(InPlayerKey, IsAdd)
    local Time = KismetSystemLibrary.GetGameTimeInSeconds(UGCGameSystem.GameState);
    self.Players[InPlayerKey] = {
        Time = Time;
        Enable = IsAdd;
    };
end

function Action_SingleRespiratoryRegurgitation:PlayerVictim(Damage, IsKill, CauserKey, VictimKey)
    if self.Players[VictimKey] == nil then
        return;
    end
    
    local Time = KismetSystemLibrary.GetGameTimeInSeconds(UGCGameSystem.GameState);
    self.Players[VictimKey].Time = Time;
end

function Action_SingleRespiratoryRegurgitation:CheckHasPlayer(InPlayerKey)
    return self.Players[InPlayerKey] == true;
end

function Action_SingleRespiratoryRegurgitation:AddPlayerHealth()
    local NowTime = KismetSystemLibrary.GetGameTimeInSeconds(UGCGameSystem.GameState);
    for PlayerKey, Table in pairs(self.Players) do
        if Table.Enable then
            local Pawn = UGCGameSystem.GetPlayerPawnByPlayerKey(PlayerKey);
            if UE.IsValid(Pawn) and Pawn.PlayerKey ~= nil and Pawn:IsAlive() then
                if NowTime - Table.Time > self.WaitAddHealthTime then
                    UGCPawnAttrSystem.SetHealth(Pawn, Pawn:GetHealth() + self.ReplyPerSecond / self.AddHealthFrequency);
                end
            end
        end
    end
end

return Action_SingleRespiratoryRegurgitation;