If I brought an OSHA complaint against my company and was subsequently offered a demotion which I refused, do I have a case?

Question Details:

I did call OSHA when I was suspended and then filed my case after being released on 1/25/10. I am protected under the whistleblower law and OSHA has given me an investigator for my case. I was offered 2 options, both of which were demotions. I couldn't take either option because they were demotions even though same pay. I was told by the HR employee that they would have to let me go if I didn't take either option. Also, I was denied unemployment because they stated I quit which is not true. Do I have a case? Should I consult directly with an employment attorney about this? I'm in Fort Bend County, TX. 

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