This article from The Daily Star of Lebanon does a relatively comprehensive job of showing how this unfortunate process has come about. It is interesting to see how a well-meaning effort to avoid the fragmented governments with which Israel and Italy suffer has unintentionally put Turkey on a slippery slope to one-party rule.
Turkey will fit into its Middle Eastern neighborhood better as a one-party state. It isn't a region known for multi-party electoral politics as we understand the concept.