#!/bin/sh

site="https://mesacsclub.com/kaa/Photo";
neocities="https://kaa.neocities.org/Photo";

getyear() {
	sed -e 's|-.*||'
}
getmonth() {
	sed -e 's|^[0-9][0-9][0-9][0-9]-||' -e 's|-.*||'
}
getday() {
	sed -e 's|^[0-9][0-9][0-9][0-9]-[0-9][0-9]-||' -e 's|-.*||'
}

padimg() {
	p=$1

	printf "\t\t\t<a href=\"$site/$p"
	printf "\n%s\n" "\" target=\"_blank\">"
	printf "\t\t\t\t%s%s/%s" "<img src=\"" $site $p
	printf "%s\n" "\" loading=\"lazy\">"
	printf "\t\t\t</a>\n"
	printf "\t\t\t<br>\n"
}
humonth() {
	if [ "$1" -eq 1 ]
	then
		echo "january"
	elif [ "$1" -eq 2 ]
	then
		echo "february"
	elif [ "$1" -eq 3 ]
	then
		echo "march"
	elif [ "$1" -eq 4 ]
	then
		echo "april"
	elif [ "$1" -eq 5 ]
	then
		echo "may"
	elif [ "$1" -eq 6 ]
	then
		echo "june"
	elif [ "$1" -eq 7 ]
	then
		echo "july"
	elif [ "$1" -eq 8 ]
	then
		echo "august"
	elif [ "$1" -eq 9 ]
	then
		echo "september"
	elif [ "$1" -eq 10 ]
	then
		echo "october"
	elif [ "$1" -eq 11 ]
	then
		echo "november"
	elif [ "$1" -eq 12 ]
	then
		echo "december"
	else
		echo "mystery"
	fi
}

pyear=0
pmonth=0
pday=0
poutfn=""
outfn=""
newday=0
lastfn=$(cat photo | while read -r line
do
	if [ $newday -eq 1 ]
	then
		printf "\t\t\t<h2>$pyear<br>$(humonth $pmonth) $pday</h2>" >> $outfn
		newday=0
	fi

	year=$(echo $line | getyear)
	month=$(echo $line | getmonth)
	day=$(echo $line | getday)
	
	if [ $year -ne $pyear ] || [ $month -ne $pmonth ]
	then
		nextoutfn=photographed/${year}-${month}.html
		if ! [ -z $outfn ]
		then
			printf "\t\t\t<br><a href=\"${poutfn#*/}\"><h2>later</h2></a>" >> $outfn
			printf "\t\t\t<br><a href=\"${nextoutfn#*/}\"><h2>earlier</h2></a>" >> $outfn
			cat footer/photographed.txt >> $outfn
		fi
		poutfn=$outfn
		outfn=$nextoutfn
		echo $outfn
		cat header/photographed.txt > $outfn
	fi

	if [ $pday -ne $day ]
	then
		newday=1
	fi

	padimg $line >> $outfn

	pyear=$year
	pmonth=$month
	pday=$day
done | tail -1)

printf "\t\t\t<br><a href=\"$poutfn\"><h2>later</h2></a>" >> $lastfn
cat footer/photographed.txt >> $lastfn