Baggage damaged and bad attitude

Recently flying from Florida to San Francisco via Denver, my bag was damaged really badly, handles torn all the war through exposing the inside of the bag as if the bag was swung but its handle (handle clips were parted) As I was boarding the flight I saw the way they were throwing peoples luggage on to the belt at the gate check in. When I arrived in San Francisco my bag came out damaged to the point that I dont want to use it in case it comes apart on my next flight. I called the number I was given at the baggage terminal and half way through every sentence the lady who was assisting me would interrupt me and accuse me of yelling at her which was not true. She was very rude and kept trying to blame me for things relating to the bag. They offered to replace the bag but with a bag that was different brand, (My bag was bought for 200 Euro) and they said the would not give me a bag that was worth that much, only that it would be the same size and had the same amount of wheels on it. comparing my bag to be the same as any other bag. She was extremely patronizing and kept taking other phone calls half way through anytime I was talking. I will never use United again because of how this lady treated me.