#! /bin/sh
#
#  Mon May 10 10:39:28 2006
#  Copyright  2006  Pierre
#  pierre-at-coldev-dot-org
# 
#  Heavily based on Gina Trapani's work
#  http://www.ginatrapani.org/
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
 
if [ ! -d ~/ptdl ]; then
	mkdir ~/ptdl
fi

if [ ! -f ~/ptdl/todo.txt ]; then
	touch ~/ptdl/todo.txt
fi

if [ ! -f ~/ptdl/done.txt ]; then
	touch ~/ptdl/done.txt
fi
if [ "$#" -eq 0 ]; then
	cat -n ~/ptdl/todo.txt | sort -k2,5
else

	if [ "$1" = "l" ]; then
		if [ "$#" -ne 2 ]; then
			# insufficient number of params
			echo "Usage: $0 $1 FILTER"
			exit 1
		fi
		cat -n ~/ptdl/todo.txt | grep "$2" | sort -k2,5
	fi

	if [ "$1" = "a" ]; then
		if [ "$#" -lt 4 ]; then
			# insufficient number of params
			echo "Usage: $0 $1 C:category T:task L:location [L:other locations]"
			exit 1
		fi
		echo "$*" | cut -d ' ' -f 2- >> ~/ptdl/todo.txt
		echo "Task '$3' added to the list !"
	fi

	if [ "$1" = "p" ]; then
		if [ "$#" -ne 3 ]; then
			# insufficient number of params
			echo "Usage: $0 $1 linenumber priority"
			exit 1
		fi
		sed $2"s/^/($3) /" ~/ptdl/todo.txt  > /dev/null 2>&1
		if [ "$?" -eq 0  ]; then
			# it's all good, continue
			sed $2"s/^/($3) /" ~/ptdl/todo.txt > ~/ptdl/todo.tmp
			mv ~/ptdl/todo.tmp ~/ptdl/todo.txt
			echo "Marked $2 as priority $3 !"
		else
			echo "usage: $0 $1 linenumber priority"
			exit 1
		fi

	fi

	if [ "$1" = "d" ]; then
		if [ "$#" -ne 2 ]; then
			# insufficient number of params
			echo "Usage: $0 $1 linenumber"
			exit 1
		fi
		sed $2's/^/x /' ~/ptdl/todo.txt > ~/ptdl/todo.tmp
		mv ~/ptdl/todo.tmp ~/ptdl/todo.txt
		echo "Marked $2 as done !"
	fi

	if [ "$1" = "A" ]; then
		grep ^x ~/ptdl/todo.txt >> ~/ptdl/done.txt
		sed -e '/^x/d' ~/ptdl/todo.txt > ~/ptdl/todowithoutdone.tmp
		mv ~/ptdl/todowithoutdone.tmp ~/ptdl/todo.txt
		echo "Moved all done tasks to done.txt !"
	fi

	if [ "$1" = "r" ]; then
		"$0" A
		echo $(date +%Y-%m-%d) >> ~/ptdl/report.tmp
		echo ' ' >> ~/ptdl/report.tmp
		wc -l ~/ptdl/todo.txt >> ~/ptdl/report.tmp
		echo ' ' >> ~/ptdl/report.tmp
		wc -l ~/ptdl/done.txt >> ~/ptdl/report.tmp


		tr -d '\r\n' < ~/ptdl/report.tmp >> ~/ptdl/report.txt
		echo '' >> ~/ptdl/report.txt
		rm ~/ptdl/report.tmp

		cat ~/ptdl/report.txt
	fi

	if [ "$1" = "help" ]; then
		echo "Usage $0 [MODE] [PARAMS]"
		echo "Modes can be :"
		echo "l: filter tasks list"
		echo "a: add a new task"
		echo "A: archive done tasks"
		echo "d: mark a task as done"
		echo "p: change a task's priority"
		echo "r: archive and display a report"
	fi

fi