Shocking Online Servoce

Bought 10 items online for instore pickup exceeding R500.00. Received a SMS to pickup. Went to store picked up box and some "little voice" told me to open box before leaving only to find and 1 item was in the box. When queried was told that I MUST phone the product manufacturer and query where my missing 9 items where. When I refused as my order was placed with Clicks and not the manufacturer was told not their problem! I then asked for a refund and was told they could not- yet the delivery note stated if I was unhappy with my purchase I could get a refund at any Clicks store. Shocking Customer Service and if I had not opened box before leaving would have been out of pocket for over R400 as the delivery slip quoted only 1 item and not 10 as per the original order which I had proof of!!