A 31-year-old male was brought to the emergency room by a colleague after having a seizure at work. The colleague repoed that over last 6 months the man would frequently come late to office and was given warnings for the same reason.The colleague also stated that he would often come to office after consuming alcohol, was seen with clenched fists and grinding his teeth most of the time and was once caught by boss while he was using alcohol in office. Patients mother had expired two days back, and he was in his house for last two days and had just joined the office today. What is the likely diagnosis