Your description does indicate that you are going through depression which affects mood, motivation, energy levels, enjoyment, concentration including anxiety, physical lethargy, sleep / appetite problems and negative thoughts like hopelessness or worthlessness.
Next Steps
Depression is quite a common condition and is treatable, usually with combination of psychological treatment and medicine if necessary. It is important to individually understand the nature of your issues in bit more detail along with the nature of depression, underlying stresses or physical health issues etc. please consult a psychiatrist for further assessment and appropriate treatment
Health Tips
Start becoming present to the issues and experiences you are going through now, in the context of depression. Don't fight with your emotions. Learn to let go and focus on keeping busy with meaningful action including relaxation, good lifestyle practices, mindfulness, regular exercise, sleep hygiene etc