I've decided to buy a laptop that costs around 1000-1200 usd, in the end I came up with two choices that is, the predator helios 300, with i7-7700HQ, 256gb ssd gtx 1060 6gb and 16gb ram.(price: $1049)
The other is asus rog strix Scar with i7-8750H, 16gb ram, 128gb ssd, 1050ti and 1tb hdd...