It might do better if you take off the decorative foil. Has that been on it this whole time? If so, that could certainly contribute to drainage problems.

Yes, take the foil off so that it doesn't sit in water. If the soil is constantly wet it can cause rot.

Also definitely needs better light. It won't bloom again unless it gets a rest. For this to happen, quit watering it. (Shoulda happened last fall.) The leaves will die. Then after a couple of weeks, replant it in some new damp soil and wait a bit before watering it. You should see new growth. The corm should be planted close to the surface of the pot. Set it out where it will get at least a few hours of full sun and about 1/2 day of light shade. They come from a region where there is a great amount of water part of the year and almost none the rest of the time.

I was going to remark that these die in the winter and come back in the Spring (at least here they do). My MIL has some planted in her garden that come back every year after a winter's rest.

Planto

Thank you for everyone's help.