shutdown-job.sh

#!/bin/sh

echo "Local time zone is:" $(date +"%Z")
echo "Checking if in dead zone. Current time:" $(date +"%H:%M:%S")

echo "Checking if computer is asleep - if so, do nothing"
# sleep_wake_events=$(pmset -g log | grep -e " Sleep  " -e " Wake  ")
# Example output:       
# 2024-04-29 13:03:49 -0700 Sleep                 Entering Sleep state due to 'Clamshell Sleep' ...
# 2024-04-29 13:05:06 -0700 Wake                  Wake from Deep Idle [CDNVA] : due to SMC.     ...

# Show arguments to this script
echo "Arguments to this script:" $@

# Get current script's directory - first argument is the script's path
script_dir=$1
sleep_check_script="$script_dir/sleep-check/sleep-check-macos-universal"

# Evaluate the sleep check script, which is in the same directory as this script
asleep_or_awake=$($sleep_check_script)
echo "Asleep or awake:" $asleep_or_awake

if [[ $asleep_or_awake == "Asleep" ]]; then
    echo "Computer is asleep. Human is being good. Not attempting to shut down."
    exit 0
fi

#
# ----------- MODIFY IF NEEDED ------------
#
# Define dead zone start and end

dead_zone_start_hour=0
dead_zone_start_minute=0
dead_zone_end_hour=6
dead_zone_end_minute=0

# ------------------------------------------

# Calculate dead zone start and end in minutes from midnight
dead_zone_start_minutes=$((dead_zone_start_hour * 60 + dead_zone_start_minute))
dead_zone_end_minutes=$((dead_zone_end_hour * 60 + dead_zone_end_minute))

# Get current hour and minute, and calculate total minutes from midnight
current_hour=$(date +"%H")
current_minute=$(date +"%M")
current_minutes=$((current_hour * 60 + current_minute))

echo "Current hour:" $current_hour
echo "Current minute:" $current_minute
echo "Total minutes from midnight:" $current_minutes

# Warning message 2.5 hours before the dead zone, suggest to start winding down
warning_two_half_hours_before=$((dead_zone_start_minutes - 150))
# If the warning time is negative, it means it is the day before the dead zone
warning_two_half_hours_before=$(( warning_two_half_hours_before < 0 ? 24 * 60 + warning_two_half_hours_before : warning_two_half_hours_before ))
if [[ $current_minutes == $warning_two_half_hours_before ]]; then
    echo "2.5 hours before dead zone"
    say "Warning: The dead zone starts in 2.5 hours. Start winding down your work. Good time to start watching a movie or reading a book."
fi

# Warning message 1 hour before the dead zone
warning_one_hour_before=$((dead_zone_start_minutes - 60))
# If the warning time is negative, it means it is the day before the dead zone
warning_one_hour_before=$(( warning_one_hour_before < 0 ? 24 * 60 + warning_one_hour_before : warning_one_hour_before ))
if [[ $current_minutes == $warning_one_hour_before ]]; then
    echo "1 hour before dead zone"
    say "Warning: The dead zone starts in one hour. Prepare to finish up any pending tasks."
fi

# Warning message 10 minutes before the dead zone suggesting to wrap it up for real now
warning_ten_minutes_before=$((dead_zone_start_minutes - 10))
# If the warning time is negative, it means it is the day before the dead zone
warning_ten_minutes_before=$(( warning_ten_minutes_before < 0 ? 24 * 60 + warning_ten_minutes_before : warning_ten_minutes_before ))
if [[ $current_minutes == $warning_ten_minutes_before ]]; then
    echo "10 minutes before dead zone"
    say "Warning: The dead zone starts in 10 minutes. Wrap up your work now!"
fi

# Check if in dead zone
if [ $current_minutes -ge $dead_zone_start_minutes ] \
    && [ $current_minutes -lt $dead_zone_end_minutes ]; \
then
    say "Hey, its me from both yesterday and tomrorow - GO TO SLEEP! Sleeping now ..."
    sleep 10 # Give 10 seconds to save work

    #
    # ----------- MODIFY IF NEEDED ------------
    #
    # DEFAULT: Put computer to sleep
    #
    # To shut down instead, comment out the line below and uncomment the line after
    #
    osascript -e 'tell application "System Events" to sleep'
    # osascript -e 'tell application "System Events" to shut down'

    # ------------------------------------------
fi