#!/bin/bash

error()
{
	echo "Error: $*"
	exit 1
}

if [ -z "$1" ]; then
	echo "$0 <Filename / id from metadata to remove>"
	exit
fi

metadataurl=$1

if [ -s "${metadataurl}" ]; then
	entityidfn=$(basename $metadataurl)
else
	case $metadataurl in
		[0-9][0-9]*)
			url="https://metadata.swamid.se/?rawXML=${metadataurl}"
			;;
		https://metadata.swamid.se/?showEntity=*)
			url=$(echo "$metadataurl" | sed 's;showEntity;rawXML;')
			;;
	esac
	metadata=`curl -L -m 5 -s -k -f "${url}"`

	[ -n "$metadata" ] || error "Failed to fetch metadata from $metadataurl"

	entityid=`echo "$metadata" | sed -n 's/.*entityID=['\''"]\([^"]*\)['\''"].*/\1/p'`
	[ -n "$entityid" ] || error "Failed to find entityID in metadata"
	[ `echo "$entityid" | wc -l` = 1 ] || error "Multiple entityid:s found: `echo $entityid`"

	entityidfn=`echo "$entityid" | sed 's;.*://;;' | sed 's/[^a-zwA-ZW0-9_.-]/-/g' | sed 's/$/.xml/'`
	[ -n "$entityidfn" ] || error "Failed to generate filename from entityid $entityid"
fi
file="swamid-2.0/$entityidfn"

if [ -r "$file" ]; then
	echo "---------------------"
	grep "/$entityidfn" *.mxml sp-with-simplesign
	echo "---------------------"
	echo -n "OK to remove ? [Y/n]"
	read x
	case $x in
		"Y"|"y"|"") ;;
	 	*) exit 1 ;;
	esac

	echo
	if (grep -q $entityidfn sp-with-simplesign); then
	    sed -i.bak "/\/$entityidfn/d" sp-with-simplesign
	    if [ -f sp-with-simplesign.bak ]; then
		rm sp-with-simplesign.bak
	    fi

	fi
	git rm $file

	grep $file *.mxml | sed 's/\(.*\.mxml\):  <xi:include href=".*"\/>/\1/' | while read mxmlfile ; do
	    sed -i.bak "/\/$entityidfn/d" $mxmlfile
	    if [ -f $mxmlfile.bak ]; then
		rm $mxmlfile.bak
	    fi
	done
	git diff
	git status
else
	error "File not found: $file"
fi