#!/bin/bash
#
# Author: Cody Sork
# License: GPL
# Version: 1.1.0
# Description: Clock in or out of a task in hamster time tracker
# Requirements: hamster-time-tracker

TODO_FILE="/path/to/todo.txt"
TODO_SH="/path/to/todo.sh"

#=========================================================

action=$1
shift

function usage {
  echo "    clock cur"
  echo "      Show the current running clock."
  echo ""
  echo "    clock in ITEM#"
  echo "      Start a clock for ITEM, beginning now. This clock entry is"
  echo "      written to your GNOME hamster database."
  echo ""
  echo "    clock out"
  echo "      End the current running clock"
  echo ""
  echo "    clock report"
  echo "      Show all clock totals for today."
  exit
}

[ "$action" = "usage" ] && usage

# make sure we have an item number
SECONDARY_CMD=$1
ITEM=$2

LINE=$(sed "$ITEM!d" "$TODO_FILE")
LINE_NUM=$(grep -nr "$TASK" $TODO_FILE | head -n 1 | awk "{print $2;}")
TASK=$(echo $LINE | sed "s/([A-Z]) //g" | sed "s/[\@\+].*$//")

# Make sure task exists
if [[ $TASK == "" ]]; then
    echo "Task number $ITEM does not exist."

# Show current running clock
elif [[ "$SECONDARY_CMD" == "cur" ]]; then
    hamster current

elif [[ $SECONDARY_CMD == "in" ]]; then

    if ! [[ "$ITEM" =~ ^[0-9]+$ ]]; then
        echo "Error! Usage:"
        usage
        exit
    fi
    
    PROJECT=$(echo $LINE | cut -d '+' -f2 | sed "s/@.*$//g")
    echo "Clocking in $TASK..."
    hamster add "$TASK@$PROJECT -0"

elif [[ "$SECONDARY_CMD" == "out" ]]; then
      
    # Make sure the proper task number is passed to this script,
    # or none at all.
    if [[ $ITEM == "" ]] || [[ $ITEM == $LINE_NUM ]]; then
        TASK=$(hamster current | sed "s/[0-9:-]//g" | sed "s/  //g" | 
          sed "s/@.*$//g")
        echo "Clocking out $TASK..."
        hamster stop

    # Check to see if no clock is running
    elif [[ $(hamster current) == "No activity" ]]; then
        echo -e "No running clock."
    elif ! [[ "$ITEM" == "$LINE_NUM" ]]; then
        echo -e "No running clock for $TASK\b!"

    else 
        echo "Error! Usage:"
        usage
    fi

elif [[ "$SECONDARY_CMD" == "report" ]]; then
    hamster list

else
    usage
fi