Disgusted

This company is very unprofessional. I was told to work on a specific day and informed that all documents will be available for me to sign once I get the the place of employment. I worked the entire day no word of a contract. I then emailed SA Staffing and they then told me they will send me my contract in a day or two. The next day I was offered a full time post from another company which I decided to take because the job with SA staffing was only contact basis. I work a full 2 day shift. Once I went them my banking details I was told do I deserve to get paid. I was disgusted. How can she ask me that question. Quotes things from a contract that I did not even sign. I will never deal with these people again and I will never advise anyone to