#!/bin/sh

domain=www.onemanga.com
baseurl=http://$domain/${2:-$(cat ONEMANGA)}/$1
interpagedelay=${ONEMANGADELAY:-0}

tidy2xml() { tidy -q -asxml --numeric-entities yes 2>/dev/null; }
stripattr() { sed -e "s/^.*href='\([^']*\)'.*\$/\\1/" -e "s/^.*src='\([^']*\)'.*\$/\\1/"; }
mkurl() { head -n 1 | stripattr | sed "s/^/http:\/\/$domain/"; }

n=$(($1-1))
odname=
furl=$(ftp -o - $baseurl | tidy2xml |
	xmlgrep 'a/text()~"^Begin" and @href' | mkurl)
while [ -n "$furl" ]; do
	ftp -o - "$furl" | tidy2xml >onemanga.xml
	iurl=$(xmlgrep 'img and @src~media' onemanga.xml | stripattr)
	furl=$(xmlgrep '(a/img and @class="manga-page") and @href' onemanga.xml |
		mkurl)
	if [ -n "$iurl" ]; then
		bname="${iurl##*/}"
		dname="${iurl%/*}"
		dname="${dname##*/}"
		if [ "$dname" != "$odname" ]; then
			odname="$dname"
			n=$((n+1))
		fi
		mkdir -p "$n"
		ftp -o "$n/$bname" "$iurl"
	fi
	sleep $interpagedelay
done