#!/bin/sh

REQUEST_PATH="$(echo "$REQUEST_URI" | awk -F'?' '{ print $1 }' | ./urldecode.awk)"

handler() {
    case "$1" in
        **.md)
            bin/md2html.awk "$1"
            ;;
        **.tpl)
            eval "$(bin/template.awk "$1")"
            ;;
        **)
            cat "$1"
            ;;
    esac
}

handler_body_main() {
    if [ -d "$SITE_DIR/$REQUEST_PATH" ]; then
        handler "$SITE_DIR/$REQUEST_PATH"/index.*
    elif [ -f "$SITE_DIR/$REQUEST_PATH".* ]; then
        handler "$SITE_DIR/$REQUEST_PATH".*
    fi
}

nav_tree() {
    find "$SITE_DIR" |
        sed -E -e "$DIR_FILTER s!^$SITE_DIR!!; $DIR_CLEAN" 2>&1 |
        sort -u | awk -v req_path="$REQUEST_PATH" -F/ '
    function p(x, y, s) { for(i=0; i < x-y; i+=1) print s }
    BEGIN { lNF=2; print "<ul>" }
    {
        d = ""
        if(match($0, "/$"))
            d = "/"
        sub("/$", "") # Strip trailing / for dirs so NF is consistent

        p(NF, lNF, "<li><ul>")
        p(lNF, NF, "</ul></li>")
        lNF = NF

        bname = $NF d
        path = $0 d
        gsub(/[\-_]/, " ", bname)

        # To avoid false matches add trailing / even for plain files to act as delimiter
        pa = path
        gsub(/[^\/]$/, "&/", pa)

        if(index(req_path "/", pa) == 1)
            print "<li><a href=\"" path "\" class=\"thisPage\">&raquo;<i> " bname "</i></a></li>"
        else
            print "<li><a href=\"" path "\">&rsaquo; " bname "</a></li>"
    }
    END { p(lNF, 2, "</ul></li>"); print "</ul>" }'
}