bin: add pomodoro script

bin/pomodoro

@@ -0,0 +1,74 @@
+#!/usr/bin/bash
+# credits: https://github.com/gpanders/dotfiles/blob/master/.local/bin/pomodoro
+
+usage() {
+  echo "Usage: $(basename "$0") [focus time] [short break] [long break]"
+}
+
+if [ "$1" = "-h" ]; then
+  usage
+  exit 0
+fi
+
+focus_time=${1:-25}
+short_break=${2:-5}
+long_break=${3:-15}
+
+# Ensure all arguments are numbers
+case $focus_time$short_break$long_break in
+  *[!0-9]*)
+    echo "Arguments must be positive integer numbers" >&2
+    usage >&2
+    exit 1
+    ;;
+esac
+
+notify() {
+  echo "$1"
+  if command -v terminal-notifier >/dev/null 2>&1; then
+    terminal-notifier -title 'Pomodoro' -message "$1"
+  elif command -v notify-send >/dev/null 2>&1; then
+    notify-send "$1"
+  fi
+}
+
+countdown() {
+  timer=$(($1 * 60))
+  while true; do
+    minutes=$((timer / 60))
+    seconds=$((timer - 60*minutes))
+    printf '\e[0K\r'  # Clear current line
+    printf 'Remaining: %02d:%02d' "$minutes" "$seconds"
+
+    [ $timer -eq 0 ] && break
+    timer=$((timer - 1))
+    sleep 1
+  done
+  printf '\n'
+}
+
+while true; do
+  notify "Focus for $focus_time minutes"
+  countdown "$focus_time"
+
+  notify "Take a short break for $short_break minutes (1/4)"
+  countdown "$short_break"
+
+  notify "Focus for $focus_time minutes"
+  countdown "$focus_time"
+
+  notify "Take a short break for $short_break minutes (2/4)"
+  countdown "$short_break"
+
+  notify "Focus for $focus_time minutes"
+  countdown "$focus_time"
+
+  notify "Take a short break for $short_break minutes (3/4)"
+  countdown "$short_break"
+
+  notify "Focus for $focus_time minutes"
+  countdown "$focus_time"
+
+  notify "Take a long break for $long_break minutes (4/4)"
+  countdown "$long_break"
+done