#!/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;')
			url=${metadataurl//showEntity/rawXML}
			;;
	esac
	metadata=$(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 | sed 's/ //g')" = "1" ] || error "Multiple entityid:s found: $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 -r 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 -r 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