#!/bin/sh
id_cmd=${0%yatt-tag}"yatt-id -m"

usage () {
  echo "\
Tags yatt's selected task.
By default, 'fzf' is used, but you can change it by setting \
YATT_FZF environment variable value.

USAGE:
	$0 [TAGS]

ARGUMENTS:
	TAGS          Comma separated tags list (will be prompted if omitted)

FLAGS:
	-h, --help    Show this message
"
	exit 0
}

[ "$1" == "--help" ] && usage
[ "$1" == "-h" ] && usage

tags=$1
[ "$tags" != "--help" ] || usage
[ "$tags" != "-h" ] || usage

id=$($id_cmd task)
[ -z "$tags" ] && read -p "tags: " tags
[ -z "$tags" ] && echo "no tags provided" && exit 1

[ -z "$id" ] && exit 0

yatt tag $id $tags