#!/bin/bash

# Copyright (c) 2013 Duncan Eastoe <duncaneastoe@gmail.com>

# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

## Display usage information ##
function usage {
	cat <<-END
		revive - Restore tasks from done.txt
			
		Usage:
		    revive
		        List available todos to revive (ie. done.txt)
				
		    revive ITEM#
		        Revive specified todo
		END
	
	exit 0
}

## Lists completed todos in done.txt ##
function listAvailableTodos {
	$TODO_FULL_SH listfile "$TODO_DIR/done.txt"
	
	exit 0
}

## Copies todo from done.txt back to todo.txt ##
function reviveTodo {
	getTodo "$1" "$TODO_DIR/done.txt"
	cleanTodo=$(echo "$todo" | sed -E 's/x [0-9]{4}-[0-9]{2}-[0-9]{2} //')
	$TODO_FULL_SH add "$cleanTodo"
	
	exit 0
}

if [ "$1" == "usage" ]; then
	usage
fi

shift

if [ -z "$1" ]; then
	listAvailableTodos
elif [[ "$1" =~ [0-9]+ ]]; then
	reviveTodo "$1"
else
	usage
fi