How did Sri Lanka's economic crisis get this bad?

Sri Lanka's economic crisis seems to be going from bad to worse. The government has now restricted the sale of fuel days after the Prime Minister said the economy had completely collapsed.
So what's caused the crisis? And what are the consequences?

Join host Hashem Ahelbarra 

Guests:

Jehan Perera, Executive Director of the National Peace Council of Sri Lanka.

Thamil Ananthavinayagan, Lecturer in International Human Rights Law at University of Nottingham.

Chayu Damsinghe, Economist at Frontier Research.