#!/bin/zsh

list_comments() {
  base="$1"
  
  for each in $(ls -r Wiki/${base}.comment.<0000000001-9999999999>_<000-999>); do
    author=$(grep -m1 '^author=' "$each" |cut -d= -f2-)
    echo "<div class='comment'><h1>$author wrote:</h1><div class='wikitext'>"
    tail -n+2 $each |_wiki
    echo '</div></div>'
  done
}

add_comment(){
  info="$1"

  cat <<WikiEND
      <a id='comment_button' class='function' href='#'
         onclick='javascript:show_screen("comment");hide_screen("comment_button");'>Comment / Ask</a>
      <div id="comment" style="display: none;">
        <form action="./?action=wikimeta&i=$info" method="post" accept-charset="UTF-8">
          <b>Comment:</b><br>
          <textarea name="comm" rows="6" style="width:99%;"></textarea><br>
          <input type="submit" value="Submit">
          <a class="function" href="#" onclick="javascript:hide_screen('comment');show_screen('comment_button');">Cancel</a>
        </form>
      </div>
WikiEND
}

cat <<WikiEND
    <div id="LEFT">
      <form method="GET" action="./" accept-charset="utf-8">
	<input type="hidden" name="p" value="Wiki">
	<input type="text" name="s" placeholder="Search"><br>
	<input type="submit" value="Search Wiki">
      </form>
      <hr>

      <b>Revisions:</b>
      $(rno=1; for each in Wiki/$info.<0000000000-9999999999>; do
  	revi=$(cut -d. -f2 <<<"$each")
  	echo "<a class='rev' href='?p=Wiki&amp;i=$info&amp;r=$revi'>$rno</a>"
  	rno=$(($rno+1))
        done) <a class='rev' href='?p=Wiki&amp;i=$info'>Latest</a><br>
      <hr>
      $($LOGIN && if [ -z "$lock" ]; then
          [ -z "$rev" ] && echo "<a class='function' href='./?action=lock&amp;p=Wiki&amp;e=$info'>edit this page</a>"
	  [ -n "$rev" ] && echo "Click <a class='function' href='./?action=lock&amp;p=Wiki&amp;e=${info}&amp;r=${rev:s/.//}'>edit</a> to derive a new page revision from this one."
        else
  	  echo "<b>This page is currently being edited by $lock</b><a class='function' href='./?action=lock&amp;p=Wiki&amp;e=$info'>edit anyway</a>"
        fi
        $LOGIN && echo '<hr>')
      <h1>Table of Content</h1>
      <div class="toc">
        $(cat Wiki/"${info}${rev}" |while read line; do
  	if (egrep -q '^ *###' <<<"$line"); then
  	  echo "<a class='i2' href='#$(sed 's,^ *### *,,;' <<<"$line")'>$(sed 's,^ *###,,' <<<"$line")</a><br>"
  	elif (egrep -q '^ *##' <<<"$line"); then
  	  echo "<a class='i1' href='#$(sed 's,^ *## *,,;' <<<"$line")'>$(sed 's,^ *##,,' <<<"$line")</a><br>"
  	elif (egrep -q '^ *#' <<<"$line"); then
  	  echo "<a class='i0' href='#$(sed 's,^ *# *,,;' <<<"$line")'>$(sed 's,^ *#,,' <<<"$line")</a><br>"
          fi
        done)
      </div>
      <hr>
    </div>
    <div id="MAIN">
      <div class="wiki"><div class="wikitext">
        <h1 class="wikihead">$title</h1>
        $(_wiki Wiki/"${info}${rev}")
      </div></div>
    </div>

    <div id="RIGHT">
      $($LOGIN && add_comment $info)
      $(list_comments $info)
    </div>
WikiEND