#!/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 $entityid"
fi
file=$(find swamid-2.0 swamid-edugain -name "$entityidfn" | head -1)

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

	echo
	git rm "$file"

	git diff
	git status
else
	error "File not found: $file"
fi