#!/usr/bin/env bash 

set -eu


VDN_PATH=$(readlink -f $(dirname $0)/..);

synopsis() {
    cat << EOF
Usage : $(basename $0) [-h] 
EOF
}

help() {
    cat << EOF

`basename $0` extrait la documentation à partir de l'aide des commandes.

`synopsis`

-h      : affiche cette aide

EOF
}

usage() {
    synopsis
    exit 1
}

args() {
    local opt
    while getopts "h" opt; do
        case $opt in
            h) help; exit 0;;
            ?) usage;;
        esac
    done
	shift $(($OPTIND - 1))
    [ $# -ne 0 ] && usage || :
	
}


scan() {
	cd $VDN_PATH/bin
	for i in *; do

		[[ $i =~ .rb$ ]] && continue
		[[ $i =~ .sh$ ]] && continue

		[ ! -f $i ] && continue

		[ ! -x $i ] && continue

		echo "=== $i ==="
		$i -h
		echo

	done
}


args $@

#scan

doc() {
	echo "=== $1 ==="
	echo -n "<code>"
	$1 -h
	echo "</code>"
	echo
}

cat << EOF > /tmp/doc.txt

===== Liste des commandes VDN ====

==== Pour l'administrateur ====

$(doc vdn-prepare)

==== Pour l'utilisateur ====

$(doc vdn-clean)
$(doc vdn-download-disks)
$(doc vdn-halt)
$(doc vdn-infos)
$(doc vdn-kill)
$(doc vdn-list)
$(doc vdn-start)

==== Pour le développeur (de disques et de réseaux) ====

$(doc vdn-build-network)
$(doc vdn-clean-network)
$(doc vdn-delete-disks)
$(doc vdn-delete)
$(doc vdn-scp)
$(doc vdn-ssh)
$(doc vdn-ssh-copy-id)
$(doc vdn-ssh-loop)


==== Non classées ====

$(doc vdn-alive)
$(doc vdn-alives)
$(doc vdn-build)
$(doc vdn-config)
$(doc vdn-create-slash)
$(doc vdn-diff)
$(doc vdn-doc)
$(doc vdn-graph)
$(doc vdn-kvm)
$(doc vdn-mount-chroot)
$(doc vdn-open-network)
$(doc vdn-push)
$(doc vdn-restart)
$(doc vdn-save)
$(doc vdn-scripts)
$(doc vdn-set-network-dir)
$(doc vdn-set-var)
$(doc vdn-shell)
$(doc vdn-show)
$(doc vdn-ssh-loop)
$(doc vdn-start-wrapper)
$(doc vdn-terminal)
$(doc vdn-test)
$(doc vdn-test-kvm)
$(doc vdn-upload-disks)
$(doc vdn-vnc-viewer)

EOF

cat /tmp/doc.txt