#!/bin/sh

if [ "$PATH_INFO" = "" ]
then
    printf "20 text/gemini\r\n"
    wget -q -O - https://gccsatx.com/hymns/ | grep -o 'https://gccsatx.com/hymns/[^/"#]\+/' |cut -d/ -f5 | sed 's@^@=>gcc.sh/@g'
    exit 0
fi

hasmp3=$(echo "$QUERY_STRING"|grep 'mp3')
if [ ! "$hasmp3" = "" ]; then
	mp3=$(wget -q -O - https://gccsatx.com/hymns$PATH_INFO/ | grep \.mp3 | sed 's/ /\n/g' | grep \.mp3 | grep href | cut -d'"' -f2)
	if test "$mp3"; then
		if test "$(echo "$mp3" | wc -l)" -gt 1; then
			printf "20 text/gemini\r\n"
			echo "$mp3" | sed 's/^/=> /g'
			exit 0
		fi
		printf "30 %s\r\n" "$mp3"
		exit 0
	fi
	printf "51 no mp3\r\n"
	exit 0
fi

printf "20 text/gemini\r\n"
printf "=>/cgi-bin/gcc.sh$PATH_INFO?.mp3 Listen to this!\n"

if test -e "gcc.cache$PATH_INFO"; then
	cat "gcc.cache$PATH_INFO"
	exit 0
fi

wget -q -O - https://gccsatx.com/hymns$PATH_INFO/ \
| grep -o '\(<strong>\|<p>\|\)[^<>]*\(</strong>\|</p>\|<br />\)' \
| sed 's@<br />@@g'| sed 's@^<strong>@\n## @g' | sed 's@</strong>@@g' | sed 's@</p>@@g' | sed 's@<p>@@g' \
| sed 's@	<title>@#@g' | sed 's@ | Hymn Lyrics and Piano Music</title>@@g'\
| grep -v '<' \
| grep -v '!important' | grep -v '}\|{\|wp-smiley' \
| sed 's/&#8216;/‘/g' |sed 's/&#8217;/’/g' | sed 's/&#8221;/”/g' | sed 's/&#8220;/“/g'\
| grep -v 'this website' \
| sed -r '/^\s*$/d' | tee "gcc.cache$PATH_INFO"
exit 0