The process of divorce depends on the strictness of the evidences and the grounds.But almost, unless it is a bilaterally arranged divorce which may conclude in one trial, the divorce proceedings last more than 4-5 months.
The grounds for divorce in Turkish law have been mentioned in another topic of this forum and ı suggest you to make a little search.
The costs are composed of the court charges and the fees for the attorney.Charges are petty but the fees of the attorney shall be fixed as to the arrangement between.

You can have your share for the joint belongings.