Discharge after period?

This month my period was a little abnormal. I had light brown discharge nearly a week before AF was due. (Never get this)

Anyways, it led up to pink, which led to blood. So I wasn’t pregnant! My periods usually last 6-7 days. But the 4th day is when I stop bleeding, then the next few days following, is brown discharge until it completely stops. My problem here is. My period period started the 17th and ended around the 21st ish. BUT it’s been a whole week later and I’m still wearing liners/pads because of a light brownish discharge with a faint yellow tint to it. Never had discharge a whole week after. I feel like it’s never going to end! 😩 also my discharge after my period for the last week has smelled out the ordinary! Almost like a stronger ammonia type smell. And the discharge has been going on for a week now. And it won’t completely stop! Please help