#!/usr/local/plan9/bin/rc
path=(. ./bin $PLAN9/bin /bin/ /usr/bin)

uri = `{echo -n $REQUEST_URI | sed 's/\?.*//; s/[^a-zA-Z0-9_+\-\/]//g'}
ifs='/' {
	args = `{echo -n $uri}
}
cd ..


# default config
site=$SERVER_NAME
sitedir=sites/$site
headers=inc/headers.tpl
body=index
siteTitle=''
siteSubTitle=''
title=''
template=_default
sidebar=sidebar


# Title
fn gentitle {
    echo '<h1 class="headerTitle"><a href="/">' ^ $"siteTitle ^ '<span id="headerSubTitle">' ^ $"siteSubTitle ^ '</span></a></h1>'
}

dirfilter = '/\/./d; /\/_[^\/]*$/d; s,^\./,,; s,\.md$,,;'

# Sidebar 
fn menu {
    ls -F $1 | sed $dirfilter | awk -F/ '
    BEGIN { print "<ul class=\"sidebar\">" }
    END { print "</ul>" }
    /^([a-zA-Z0-9+_\-]+[\/*]?)+$/ && $NF != "index" {
        isdir = match($0, "/$")

        sub("[*/]$", "")

        bname = $0
        sub("^(.*/)?([0-9]+_)?", "", bname)
        gsub("_", " ", bname)

        if(isdir) {
            bname = bname "/"
            path = $0 "/"
        }

        if(index(ENVIRON["REQUEST_URI"], "/" path) == 1) {
            if(isdir) {
                print "<li><a href=\"/" path "\" class=\"thisPage\">&raquo;<i> " bname "</i></a>"
                system("rc -c ''menu " path "''")
            } else {
                print "<li><a href=\"/" path "\" class=\"thisPage\">&raquo;<i> " bname "</i></a>"
            }
        } else 
            print "<li><a href=\"/" path "\">&rsaquo; " bname "</a>"

        print "</li>"
    }'
}

fn gensidebar {
    @{
        cd $sitedir
        menu .
    }
}

fn sortedBlogPostList {
    # the /./ is added so we can sort -t. and order only the file name
    ls $*^'/./' | grep '[0-9]+.*\.md$'| sort -r -t. +1
}

# Body
fn genbody {
    if ( test -f $body.md )
        markdown.pl < $body.md
    if not if ( test -f $body.tpl )
        template.awk $body.tpl | rc 
    if not if(~ $body */index && ~ $#blogDirs 0) {
            echo '<h1>' `{basename `{basename -d $body}}'</h1>'
            echo '<ul>'
            ls -F `{ basename -d $body } | sed $dirfilter' s,^'$sitedir'/(.*),<li><a href="\1">\1</a></li>,'
            echo '</ul>'
    }
    if not
        template.awk inc/404.tpl | rc

    # Technically wrong. Will spit out blog entries after 404 for /blog/foo, for instance.
    if(! ~ $#blogDirs 0) {
        if ( ! ~ $blogTitle '' )
            echo '<h1>'$"blogTitle'</h1>'
        for ( f in `{ sortedBlogPostList $blogDirs } ) {
            title=`{basename $f | sed 's/^[0-9\-]*_(.*)\.md$/\1/; s/_/ /g' }
            du=`{ls -l $f}
            echo '##' $title '*('By $du(4) Last mod: $du(7 8 9) ')*'
            cat $f 
            echo 
        } | markdown.pl 
    }
}


. etc/initrc

if (! ~ $args '') {
    title=$args($#args)
    title=`{echo $title | sed 's/_/ /g' }
    body=$uri
}

fpath=$sitedir
for ( i in '' $args ) {
    fpath = $fpath/$i
    if ( test -f $fpath/_config )
        . $fpath/_config
}

template=$sitedir/$template.tpl
echo body: $body; echo body: $sitedir/$body; ls $sitedir/$body
body=$sitedir/$body
if (! ~ $#sidebar 0)
    sidebar=tpl/_inc/$sidebar.tpl
if (test -d $body)
    body=$body/index


cat $headers $template | template.awk | rc