#!/bin/bash

# taken from https://github.com/maxhebditch/rss-roller/
# modified by Mohit Agarwal


# Configuration
title="Unorthodox Monologues"
link="https://mohit.uk/blogs/unmono"
description="Abby's Blog"
rsslink="$link/feed.xml"
feedname="./feed.xml"
postDir="./unmono/"


echo    "./feed.sh------------------------------------------------"
echo    "       Feed builder RSS/ATOM"
echo    "       Written by Mohit Agarwal"
echo    "       INTERNAL USE ONLY"
echo    "---------------------------------------------------------"

echo ""
echo "TITLE" $title
echo "LINK " $link
echo "RSS L" $rsslink
echo "RSS F" $feedname
echo "DESCR" $description
echo "POSTD" $postDir


header () {
echo """<?xml version='1.0' encoding='UTF-8' ?>
<rss version='2.0' xmlns:atom='http://www.w3.org/2005/Atom'>
<!-- Made using rss-roller https://github.com/maxhebditch/rss-roller -->
""" > ~/feedtop
echo """
<channel>
<title>$title</title>
<link>$link</link>
<description>$description</description>
<atom:link href='$rsslink' rel='self' type='application/rss+xml' />
""" >> ~/feedtop
}

footer () {
echo """
</channel>
</rss>
""" >> ~/feedbottom
}

item () {
    echo """<item>
    <title>$fullTitle</title>
    <link>$linkadd</link>
    <guid>$guid</guid>
    <content>
    $fullText
    </content>

    <description>
    $fullText
    </description>
    </item>
    """ >> ~/feed
    echo """<item>
    <title>$fullTitle</title>
    <link>$linkadd</link>
    <guid isPermaLink='false'>$guidadd</guid>
    </item>
    """ >> ~/feed
}

combine () {
        header
        footer
        cat ~/feedtop ~/feed > ~/feedtb
        cat ~/feedtb ~/feedbottom > $feedname
        rm ~/feedtop ~/feed ~/feedtb ~/feedbottom
}



if [[ ! -f $feedname ]]; then
        touch $feedname
fi

echo ""
echo "BUILDING FEED"
#Do the bad thing
if [[ -f $feedname ]]; then
        rm $feedname
fi
touch $feedname
postArray=( $(ls -r "$postDir"/*.html | grep -v index.html) )
numPosts=$(ls -r "$postDir"/*.html | grep -v index.html | wc -l) 
echo "numPosts is $numPosts"
postNum=0
guidadd=$linkadd
for posts in "${postArray[@]}"; do
        let postNum+=1
        post=$posts
        echo "  adding post $postNum/$numPosts  : $post"
        fullTitle=$(grep -o '>.*</h1>' $post | sed 's/\(>\|<\/h1>\)//g')
        postname=${post##*/}
        linkadd="$link"/"$postname"
        fullText=$(pandoc ../${post/%html/md} -t html)
        item $post
done
combine
exit