<?php
function mailq($_action, $_data = null) {
  if ($_SESSION['mailcow_cc_role'] != "admin") {
    $_SESSION['return'][] = array(
      'type' => 'danger',
      'log' => array(__FUNCTION__, $_action, $_data),
      'msg' => 'access_denied'
    );
    return false;
  }
  function process_mailq_output($returned_output, $_action, $_data) {
    if ($returned_output !== NULL) {
      if (isset($returned_output['type']) && $returned_output['type'] == 'danger') {
        $_SESSION['return'][] = array(
          'type' => 'danger',
          'log' => array('mailq', $_action, $_data),
          'msg' => 'Error: ' . $returned_output['msg']
        );
      }
      if (isset($returned_output['type']) && $returned_output['type'] == 'success') {
        $_SESSION['return'][] = array(
          'type' => 'success',
          'log' => array('mailq', $_action, $_data),
          'msg' => 'queue_command_success'
        );
      }
    }
    else {
      $_SESSION['return'][] = array(
        'type' => 'danger',
        'log' => array('mailq', $_action, $_data),
        'msg' => 'unknown'
      );
    }
  }
	global $lang;
  switch ($_action) {
    case 'get':
      $mailq_lines = docker('post', 'postfix-mailcow', 'exec', array('cmd' => 'mailq', 'task' => 'list'));
      $mailq_lines .= '{"queue_name":"hold","queue_id":"6004D1021DE","arrival_time":1540195064,"message_size":269,"sender":"watchdog@invalid","recipients":[{"address":"test@example.com","delay_reason":"connect to 123.0.0.1[123.0.0.1]:25: Connection refused"},{"address":"test@example.com","delay_reason":"connect to 123.0.0.1[123.0.0.1]:25: Connection refused"}]}';
      $lines = 0;
      // Hard limit to 10000 items
      foreach (preg_split("/((\r?\n)|(\r\n?))/", $mailq_lines) as $mailq_item) if ($lines++ < 10000) {
        if (empty($mailq_item) || $mailq_item == '1') {
          continue;
        }
        $mq_line = json_decode($mailq_item, true);
        $rcpts = array();
        foreach ($mq_line['recipients'] as $rcpt) {
          if (isset($rcpt['delay_reason'])) {
            $rcpts[] = $rcpt['address'] . ' (' . $rcpt['delay_reason'] . ')';
          }
          else {
            $rcpts[] = $rcpt['address'];
          }
        }
        $mq_line['recipients'] = $rcpts;
        $line[] = $mq_line;
      }
      if (!isset($line) || empty($line)) {
        return '{}';
      }
      else {
        return json_encode($line);
      }
    break;
    case 'delete':
      if (!is_array($_data['qid'])) {
        $qids = array();
        $qids[] = $_data['qid'];
      }
      else {
        $qids = $_data['qid'];
      }
      $docker_return = docker('post', 'postfix-mailcow', 'exec', array('cmd' => 'mailq', 'task' => 'delete', 'items' => $qids));
      process_mailq_output(json_decode($docker_return, true), $_action, $_data);
    break;
    case 'edit':
      if (in_array($_data['action'], array('hold', 'unhold', 'deliver'))) {
        if (!is_array($_data['qid'])) {
          $qids = array();
          $qids[] = $_data['qid'];
        }
        else {
          $qids = $_data['qid'];
        }
        if (!empty($qids)) {
          $docker_return = docker('post', 'postfix-mailcow', 'exec', array('cmd' => 'mailq', 'task' => $_data['action'], 'items' => $qids));
          process_mailq_output(json_decode($docker_return, true), $_action, $_data);
        }
      }
      if (in_array($_data['action'], array('flush', 'super_delete'))) {
        $docker_return = docker('post', 'postfix-mailcow', 'exec', array('cmd' => 'mailq', 'task' => $_data['action']));
        process_mailq_output(json_decode($docker_return, true), $_action, $_data);
      }
    break;
    case 'get':
      // todo: move get from json_api here
    break;
  }
}