Hell dear, as you mentioned these are the symptoms of depression. In depression person have persistent low mood, anhedonia or unable to enjoy pleasurable activities, weakness or low energy level, interaction with other decreases, unable to concentrate on things, pessimistic thought about future. They have also impaired appetite and disturbed sleep. If you think that because of all these you are unable to carry daily life chores then visit a psychiatrist for management of same. Don't waste your time to wait for recovery. Best of luck.