1 files changed, 122 insertions, 0 deletions
diff --git a/.scripts/pomo b/.scripts/pomo
new file mode 100755
index 0000000..b10b49b
--- /dev/null
+++ b/.scripts/pomo
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+### Send desktop notifications
+## Params: header {String} - Notification highlighted text
+## Params: body {String} - Notification complementary text
+## Returns: {Void}
+function notify() {
+  header=$1
+  body=$2
+  notify-send -u critical -t 0 -a pomo "${header:?}" "${body:?}"
+}
+
+### Show a countdown timer and a message and updates without
+### cleaning the whole screen
+## Params: seconds {Number} - Countdown time in seconds 
+## Params: message {String} - Timer description
+## Returns: {String} - "hh:mm:ss - $message"
+function countdown(){
+  secs=$1
+  shift
+  message=$*
+  while [ $secs -gt -1 ]
+  do
+    sleep 1 &
+    printf "\r%s - %02d:%02d:%02d" "$message" $((secs/3600)) $(((secs/60)%60)) $((secs%60))
+    secs=$(( $secs - 1 ))
+    wait
+  done
+  echo
+}
+
+### Transforms minutes into seconds
+## Params: minutes {Number} - Ammount of minutes to be transformed to seconds
+## Returns: {Number} - Seconds
+function minutes_to_seconds() {
+  minutes=$1 
+  echo $(($minutes * 60))
+}
+
+### Add minutes to current time
+## Params: minutes {Number} - Ammounts of minutes to be added
+## Returns: {Date} - Current date plus minutes
+function current_time_plus_minutes() {
+  minutes=$1
+  date -d "$minutes minutes" +'%H:%M'
+}
+
+### Display a summary of the settings defined by the user
+## Params: focus_minutes {Number} - Ammount of minutes to last a focus period
+## Params: break_minutes {Number} - Ammount of minutes to last a break period
+## Params: long_break_minutes {Number} - Ammount of minutes to last a long break period
+## Params: breaks_until_long {Number} - Ammount of breaks until a long break period starts
+## Returns: {String} - Formatted summary of the settings
+function display_summary() {
+    focus_minutes=$1
+    break_minutes=$2
+    long_break_minutes=$3
+    breaks_until_long=$4
+
+    echo "╔════════════════╦════════╗"
+    echo "║ FOCUS          ║   $(printf "%03d\n" $focus_minutes)  ║"
+    echo "║ BREAK          ║   $(printf "%03d\n" $break_minutes)  ║"
+    echo "║ LONG BREAK     ║   $(printf "%03d\n" $long_break_minutes)  ║"
+    echo "║ BREAKS TL LONG ║   $(printf "%03d\n" $breaks_until_long)  ║"
+    echo "╚════════════════╩════════╝"
+}
+
+### Display a help message
+## Returns: {String} - Formatted help message with all available settings and options
+function display_help() {
+  echo "Usage: `basename $0` [options] [focus] [break] [long_break] [breaks_until_long]"
+  echo "    options            -h: display help message"
+  echo "    focus              Minutes of focus until break      | Default = 25"
+  echo "    break              Minutes of break until focus      | Default = 5"
+  echo "    long_break         Minutes of long break until focus | Default = 15"
+  echo "    breaks_until_long  Number of breaks until long break | Default = 4"
+}
+
+### Controls the application flow, parse arguments, show the countdown and notifications
+## Params: focus_minutes {Number} - Ammount of minutes to last a focus period
+## Params: break_minutes {Number} - Ammount of minutes to last a break period
+## Params: long_break_minutes {Number} - Ammount of minutes to last a long break period
+## Params: breaks_until_long {Number} - Ammount of breaks until a long break period starts
+## Returns: {Void}
+function main() {
+    focus_minutes=${1-25} # default = 25
+    break_minutes=${2-5} # default = 5
+    long_break_minutes=${3-15} # default = 15
+    breaks_until_long=${4-4} # default = 4
+
+    focus_seconds=$(minutes_to_seconds $focus_minutes)
+    break_seconds=$(minutes_to_seconds $break_minutes)
+    long_break_seconds=$(minutes_to_seconds $long_break_minutes)
+
+
+    display_summary $focus_minutes $break_minutes $long_break_minutes $breaks_until_long
+
+
+    while true; do
+      for (( i=1; i<=$breaks_until_long; i++ )); do
+	countdown "$focus_seconds" "FOCUS TIME" 
+	notify "BREAK: $break_minutes MINUTES" "Focus time at $(current_time_plus_minutes $break_minutes)"
+
+	if [ $(($i)) -ne $breaks_until_long ]; then
+	  countdown $break_seconds "BREAK TIME"
+	  notify "FOCUS: $focus_minutes MINUTES" "Break time at $(current_time_plus_minutes $focus_minutes)"
+	else
+	  notify "LONG BREAK: $long_break_minutes MINUTES" "Focus time at $(current_time_plus_minutes $long_break_minutes)"
+	fi
+      done
+	countdown $long_break_seconds "LONG BREAK TIME"
+	notify "FOCUS: $focus_minutes MINUTES" "Break time at $(current_time_plus_minutes $focus_minutes)"
+    done
+}
+
+## Help message
+if [ "$1" == "-h" ]; then
+  display_help
+  exit 0
+fi
+
+main $1 $2 $3 $4