#!/bin/bash

URL="https://wiki.devuan.org"

filter="
 -not -name "*~" -a \
 -not -name ".flock" -a \
 -not -name ".htaccess" -a \
 -not -name ".lastmod" -a \
 -not -name ".pageindex" -a \
"

pushd /opt/mergedWork

find /opt/pmwiki/wiki.d  ${filter} \
-name "*.*" -type f,l -printf "%P\n" | while read line
do
    base=`echo "${line}" | cut -d '.' -f 1`
    file=`echo "${line}" | cut -d '.' -f 2`
    time=`date --rfc-3339=seconds -ur /opt/pmwiki/wiki.d/${base}.${file} | cut -d '+' -f 1`
    mkdir -p PmWiki/$base
    mkdir -p combined/$base
    echo "Converting ${URL}/?n=${base}.${file}?action=print -> PmWiki/${base}/${file}.md"
    echo -e "ogWiki=PmWiki\nogURL=${URL}\nogBase=${base}\nogFile=${file}\ntimestamp=${time}\n" > PmWiki/${base}/${file}.md.md
    # Doesn't help with redownloads, coz natch a dynamic site isn't cached.  But I can at least comment out the curl command during testing to save time.
#    curl --no-progress-meter ${URL}/?n=${base}.${file}?action=markdown -o PmWiki/${base}/${file}.MD
    curl --no-progress-meter ${URL}/?n=${base}.${file}?action=print -o PmWiki/${base}/${file}.HTM
    cp PmWiki/${base}/${file}.HTM PmWiki/${base}/${file}.HTM_ORIGINAL
    csplit -ks PmWiki/${base}/${file}.HTM '%<!--PageText-->%' '/<!--HTMLFooter-->/'
    if [ -f xx00 ]; then
	rm PmWiki/${base}/${file}.HTM
	mv xx00 PmWiki/${base}/${file}.HTM
    fi
    if [ -f xx01 ]; then
	rm xx01
    fi
    sed -i -E PmWiki/${base}/${file}.HTM \
	-e "s/rel='nofollow'//g" \
	-e "s/target='_blank'//g" \
	-e "s/class='categorylink'//g" \
	-e "s/class='createlink'//g" \
	-e "s/class='createlinktext'//g" \
	-e "s/class='escaped'//g" \
	-e "s/class='diffmarkup'//g" \
	-e "s/class='selflink'//g" \
	-e "s/class='urllink'//g" \
	-e "s/class='vspace'//g" \
	-e "s/class='wikilink'//g" \
	-e "s/style='.*;'//g"

#    pandoc -f markdown -t commonmark_x --self-contained PmWiki//${base}/${file}.MD >PmWiki/${base}/${file}.md
    pandoc -f html -t commonmark_x --self-contained PmWiki//${base}/${file}.HTM >PmWiki/${base}/${file}.md
    cp PmWiki/${base}/${file}.md PmWiki/${base}/${file}.md_ORIGINAL

    # Attempt to clean things up, badly.
    sed -i -E PmWiki/${base}/${file}.md \
	-e 's/\$/\$dlr\$/g' \
	-e 's/\{#.*\}//g' \
	-e '/^:::/d' \
#	-e '/\[Site$/d' \
#	-e '/^\[\]/d' \
#	-e "s/\`<a id='trailstart'>\`\{=html\}\`<\/a>\`\{=html\}//g" \
#	-e "s/^\`<img /<img /g" \
#	-e "s/^\`\`\`\{=html\}//g" \
#	-e "s/^\`\`\`//g" \
#	-e "s/\`\{=html\}//g"

    ln -frs PmWiki/${base}/${file}.md combined/${base}/${file}.md
    ln -frs PmWiki/${base}/${file}.md.md combined/${base}/${file}.md.md
done

popd