Yes, I have not only been, but also did my master's on Middle Eastern Studies with a focus on Contemporary Turkish Politics.
It is true that many women do not wear hijab, but the thoughts of people are still controlled. You literally can not criticise their president. There are thousands of people in their prisons because they criticised (not insulted) the president.
People who drink alcohol will be publicly berated and humiliated and even attacked with no legal consequences. People are killed with no legal consequences. But if you criticise their dictator, you will be put to jail. Such a country can not be regarded as secular. Only more secular compared to countries where women are not allowed to go outside alone such as Saudi Arabia, and I'm not sure if that is such a reliable benchmark for secularity.