<style>
#alias_table .actions > * { padding-right: 3px; }
#alias_table .alias-required .remove { display: none }
</style>

<h2>Aliases</h2>

<h3>Add a mail alias</h3>

<p>Aliases are email forwarders. An alias can forward email to a <a href="javascript:show_panel('users')">mail user</a> or to any email address.</p>

<form class="form-horizontal" role="form" onsubmit="do_add_alias(); return false;">
  <div class="form-group">
    <label for="addaliasEmail" class="col-sm-2 control-label">Email Address</label>
    <div class="col-sm-10">
      <input type="email" class="form-control" id="addaliasEmail" placeholder="Incoming Email Address">
    </div>
  </div>
  <div class="form-group">
    <label for="addaliasTargets" class="col-sm-2 control-label">Forward To</label>
    <div class="col-sm-10">
      <textarea class="form-control" rows="3" id="addaliasTargets" placeholder="Forward to these email addresses (one per line or separated by commas)"></textarea>
    </div>
  </div>
  <div class="form-group">
    <div class="col-sm-offset-2 col-sm-10">
      <button id="add-alias-button" type="submit" class="btn btn-primary">Add</button>
      <button id="alias-cancel" class="btn btn-default hidden" onclick="aliases_reset_form(); return false;">Cancel</button>
    </div>
  </div>
</form>

<h3>Existing mail aliases</h3>
<table id="alias_table" class="table" style="width: auto">
  <thead>
    <tr>
      <th></th>
      <th>Email Address<br></th>
      <th>Forwards To</th>
    </tr>
  </thead>
  <tbody>
  </tbody>
</table>

<p style="margin-top: 1.5em"><small>Hostmaster@, postmaster@, and admin@ email addresses are required on some domains.</small></p>

<div style="display: none">
  <table>
  <tr id="alias-template">
    <td class='actions'>
        <a href="#" onclick="aliases_edit(this); return false;" class='edit' title="Edit Alias">
          <span class="glyphicon glyphicon-pencil"></span>
        </a>
        <a href="#" onclick="aliases_remove(this); return false;" class='remove' title="Remove Alias">
          <span class="glyphicon glyphicon-trash"></span>
        </a>
    </td>
    <td class='email'> </td>
    <td class='target'> </td>
  </tr>
  </table>
</div>


<script>
function show_aliases() {
  $('#alias_table tbody').html("<tr><td colspan='2' class='text-muted'>Loading...</td></tr>")
  api(
    "/mail/aliases",
    "GET",
    { format: 'json' },
    function(r) {
      $('#alias_table tbody').html("");
      for (var i = 0; i < r.length; i++) {
        var n = $("#alias-template").clone();
        n.attr('id', '');

        if (r[i].required) n.addClass('alias-required');
        n.attr('data-email', r[i].source);
        n.find('td.email').text(r[i].source)
        for (var j = 0; j < r[i].destination.length; j++)
          n.find('td.target').append($("<div></div>").text(r[i].destination[j]))
        $('#alias_table tbody').append(n);
      }
    })
}

var is_alias_add_update = false;
function do_add_alias() {
  var title = (!is_alias_add_update) ? "Add Alias" : "Update Alias";
  var email = $("#addaliasEmail").val();
  var targets = $("#addaliasTargets").val();
  api(
    "/mail/aliases/add",
    "POST",
    {
      update_if_exists: is_alias_add_update ? '1' : '0',
      source: email,
      destination: targets
    },
    function(r) {
      // Responses are multiple lines of pre-formatted text.
      show_modal_error(title, $("<pre/>").text(r));
      show_aliases()
      aliases_reset_form();
    },
    function(r) {
      show_modal_error(title, r);
    });
  return false;
}

function aliases_reset_form() {
  $("#addaliasEmail").prop('disabled', false);
  $("#addaliasEmail").val('')
  $("#addaliasTargets").val('')
  $('#alias-cancel').addClass('hidden');
  $('#add-alias-button').text('Add');
  is_alias_add_update = false;
}

function aliases_edit(elem) {
  var email = $(elem).parents('tr').attr('data-email');
  var targetdivs = $(elem).parents('tr').find('.target div');
  var targets = "";
  for (var i = 0; i < targetdivs.length; i++)
    targets += $(targetdivs[i]).text() + "\n";

  is_alias_add_update = true;
  $('#alias-cancel').removeClass('hidden');
  $("#addaliasEmail").prop('disabled', true);
  $("#addaliasEmail").val(email);
  $("#addaliasTargets").val(targets);
  $('#add-alias-button').text('Update');
  $('body').animate({ scrollTop: 0 })
}

function aliases_remove(elem) {
  var email = $(elem).parents('tr').attr('data-email');
  show_modal_confirm(
    "Remove Alias",
    "Remove " + email + "?",
    "Remove",
    function() {
      api(
        "/mail/aliases/remove",
        "POST",
        {
          source: email
        },
        function(r) {
          // Responses are multiple lines of pre-formatted text.
          show_modal_error("Remove User", $("<pre/>").text(r));
          show_aliases();
        });
    });
}
</script>