#!/bin/zsh

list_search(){
  if [ -n "$search" ]; then
    echo "<h1>Wiki search results for: $search</h1>"
    for each in $(grep -ile "$search" Wiki/<0000000000-9999999999>_<000-999>); do
      echo "<div class='search'><a href='?p=Wiki&amp;i=${each:t}'><h2>$(grep '^title=' "$each.meta" |cut -d= -f2-)</h2></a>"
      grep -C1 -ie "$search" "$each" |sed "s:$search:<b>&</b>:g;s:$:<br>:g"
      echo '</div>'
    done
    echo '<hr>'
  fi
}

change_wiki(){
  info="$1"

  cat <<WikiEND
      <div id="change_$info" style="display: none;">
        <form action="/?action=wikimeta&i=$info" method="post" accept-charset="UTF-8">
	  <b>Title:</b> <input type="text" name="title" value="$title"><br>
	  <b>Description:</b><br>
	  <textarea name="desc" rows="6" style="width:100%;">$description</textarea><br>
	  <input type="submit" value="Submit">
          <a class="function" href="#" onclick="javascript:hide_screen('change_$info');show_screen('display_$info');">Cancel</a>
	</form>
      </div>
WikiEND
}

add_page() {
  cat <<WikiEND
    <a id='addp_button' class='function' href='#' onclick='javascript:show_screen("add_page");hide_screen("addp_button");'>Add a new Page</a>
    <div id="add_page" style="display: none;">
      <form action="/?action=wikimeta" method="post" accept-charset="UTF-8">
        <br><b>Title:</b><br>
	<input type="text" name="title" placeholder="Fill in a title"><br>
        <b>Description:</b><br>
        <textarea name="desc" rows="6" ></textarea><br>
        <input type="submit" value="Submit">
        <a class="function" href="#" onclick="javascript:hide_screen('add_page');show_screen('addp_button');">Cancel</a>
      </form>
    </div>
WikiEND
}

list_wikis(){
  stat -c '' Wiki/<0000000000-9999999999>_<000-999> \
  && for each in Wiki/<0000000000-9999999999>_<000-999>; do
    info=$(sed 's,Wiki/,,' <<<"$each")
    title="$(egrep -x 'title=.+' "$each.meta" |cut -d= -f2- || echo '(Untitled)')"
    description="$(egrep -x 'description=.+' "$each.meta" |cut -d= -f2-)"
    owner="$(egrep -x 'owner=.+' "$each.meta" |cut -d= -f2-)"

    cat <<WikiEND
    <div class="article">
      <div id="display_$info">
        <a name="$info" href="/?p=Wiki&amp;i=$info"><h1>$title</h1></a>
        $description<br><br>
        <a class="function" href="/?p=Wiki&amp;i=$info">View</a> 
        $($ACL_WIKIEDIT && echo "<a class='function' href='#' onclick=\"javascript:show_screen('change_$info');hide_screen('display_$info');\">Change Info</a>")
      </div>
      $($ACL_WIKIEDIT && change_wiki $info)
    </div>
WikiEND
  done
}

cat <<WikiEND
    <div id="LEFT">
      <form method="GET" action="/${SCRIPTNAME}" 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>
      $(list_search)
    </div><div id="RIGHT">
      $($LOGIN && add_page)
    </div><div id="MAIN">
      $(list_wikis)
    </div>
WikiEND