#!/bin/zsh

show_search(){
  if [ -n "$search" ]; then
    echo "<h1>Tasks search results for: $search</h1>"
    for each in $(grep -ile "$search" Tasks/<0000000000-9999999999>_<000-999>); do
      id=$(sed -r 's:^.*/::;s:.task$::' <<<$each)
      echo "<div class='search'><a href='${SCRIPTNAME}?p=Tasks&amp;i=$id'><h2>$(date -d @$(cut -d_ -f1 <<<"$id"))</h2></a>"
      grep -C1 -ie "$search" "$each" |sed "s:$search:<b>&</b>:g;s:$:<br>:g"
      echo '</div>'
    done
    echo '<hr>'
  fi
}

show_task(){
  datafile="Tasks/$info"
  metafile="Tasks/$info.meta"
  headline="$(sed -rn '/^headline=/{s:^[a-z]+=(.+)$:\1:p;q}' "$metafile")"
  taskstatus="$(sed -rn '/^status=/{s:^[a-z]+=(.+)$:\1:p;q}' "$metafile")"
  section="$(sed -rn '/^section=/{s:^[a-z]+=(.+)$:\1:p;q}' "$metafile")"
  attendant="$(sed -rn '/^attendant=/{s:^[a-z]+=(.+)$:\1:p;q}' "$metafile")"
  [ -z "$section" ] && section='(none)'
  [ -z "$attendant" ] && attendant='(none)'
  cat <<TasksEND
    <div class="Task">
      <div class="wikitext">
      <h1>$headline</h1>
      $(_wiki "$datafile")
      </div>
      <table><tr>
      <td><b>Status</b><br>
      $taskstatus</td>
      <td><b>Section</b><br>
      $section</td>
      <td><b>Attendant</b><br>
      $attendant</td>
      </tr></table>
    </div>
TasksEND
}

setup_taks(){
  cat <<TaskEnd
  <form class="Task" style="height:20em;" method="post" action="write/$($LOGIN && echo user_)taskmeta.cgi" accept-charset="UTF-8">
    <h1>$new</h1>
    <input type="hidden" name="headline" value="$new">
    <input type="hidden" name="status" value="new">
    <div style="width:60%;left:3.5em;">
      <b>Description:</b><br>
      <textarea name="description" rows="11"></textarea>
    </div><div style="width:30%;right:.5em;">
      <b>Section:</b><br>
      <select name="section" size="6" style="width:80%">
      $(for each in $(egrep -hx 'section=.+' Tasks/<0000000000-9999999999>_<000-999>.meta |sort -u); do
          echo "<option>$(sed 's:section=::' <<<"$each")</option>"
        done)
      </select><br>
      <b>other section:</b><br>
      <input type="text" name="section">
      <input type="submit" name="submit" value="Robots click here" style="display:none;">
      <input type="submit" name="submit" value="Create Task">
      <input type="submit" name="submit" value="Robots click here" style="display:none;">
    </div>
  </form>
TaskEnd
}

list_tasks(){
  stat -c '' Tasks/<0000000000-9999999999>_<000-999>.meta \
  && for each in Tasks/<0000000000-9999999999>_<000-999>.meta(.om); do
    info="$(basename "$each" |sed 's:.meta$::')"
    headline="$(sed -rn '/^headline=/{s:^[a-z]+=(.+)$:\1:p;q}' "$each")"
    taskstatus="$(sed -rn '/^status=/{s:^[a-z]+=(.+)$:\1:p;q}' "$each")"
    section="$(sed -rn '/^section=/{s:^[a-z]+=(.+)$:\1:p;q}' "$each")"
    attendant="$(sed -rn '/^attendant=/{s:^[a-z]+=(.+)$:\1:p;q}' "$each")"
    [ -z "$section" ] && section='(none)'
    [ -z "$attendant" ] && attendant='(none)'
    cat <<TasksEND
      <div class="Task">
        <a href="${SCRIPTNAME}?p=Tasks&amp;i=${info}"><b>$headline</b></a><br>
        <span><b>Status:</b> $taskstatus</span>
        <span><b>Section:</b> $section</span>
        <span><b>Attendant:</b> $attendant</span>
      </div>
TasksEND
  done
}

new_task(){
  cat <<TasksEND
      <a id='newTask_button' class='function' href='#' onclick='javascript:show_screen("newTask");hide_screen("newTask_button");'>New Task</a>
      <div id="newTask" style="display: none;">
        <form action="/${SCRIPTNAME}" method="get" accept-charset="UTF-8">
          <b>Headline:</b><br>
          <input type="hidden" name="p" value="Tasks">
          <textarea name="n" rows="2" style="width:99%;"></textarea><br>
          <input type="submit" value="Submit">
          <a class="function" href="#" onclick="javascript:hide_screen('newTask');show_screen('newTask_button');">Cancel</a>
        </form>
      </div>
TasksEND
}

cat <<TasksEND
  <div id="LEFT">
    <form method="GET" action="/${SCRIPTNAME}" accept-charset="utf-8">
      <input type="hidden" name="p" value="Tasks">
      <input type="text" name="s" placeholder="Search"><br>
      <input type="submit" value="Search Tasks">
    </form>
    <hr>
    $(show_search)
  </div><div id="MAIN">

    $([ -n "$info" -a -r "Tasks/$info" -a -r "Tasks/$info.meta" ] && show_task)
    $([ -z "$info" -a -n "$new" ] && setup_task)
    $([ -z "$info" -a -z "$new" ] && list_tasks)
 </div> <div id="RIGHT">
    $($ACL_CREATETASK && [ -z "$new" ] && new_task)
 </div>
TasksEND