<?php

/**
 * Available T-Shirt sizes
 */
$tshirt_sizes = [
    '' => _("Please select..."),
    'S' => "S",
    'M' => "M",
    'L' => "L",
    'XL' => "XL",
    '2XL' => "2XL",
    '3XL' => "3XL",
    '4XL' => "4XL",
    '5XL' => "5XL",
    'S-G' => "S Girl",
    'M-G' => "M Girl",
    'L-G' => "L Girl",
    'XL-G' => "XL Girl" 
];

/**
 * Renders user settings page
 *
 * @param User $user_source
 *          The user
 * @param array<String> $locales
 *          Available languages
 * @param array<String> $themes
 *          Available themes
 */
function User_settings_view($user_source, $locales, $themes, $buildup_start_date, $teardown_end_date, $enable_tshirt_size, $tshirt_sizes) {
  return page_with_title(settings_title(), [
      msg(),
      div('row', [
          div('col-md-6', [
              form([
                  form_info('', _("Here you can change your user details.")),
                  form_info(entry_required() . ' = ' . _("Entry required!")),
                  form_text('nick', _("Nick"), $user_source['Nick'], true),
                  form_text('lastname', _("Last name"), $user_source['Name']),
                  form_text('prename', _("First name"), $user_source['Vorname']),
                  form_date('planned_arrival_date', _("Planned date of arrival") . ' ' . entry_required(), $user_source['planned_arrival_date'], $buildup_start_date, $teardown_end_date),
                  form_date('planned_departure_date', _("Planned date of departure"), $user_source['planned_departure_date'], $buildup_start_date, $teardown_end_date),
                  form_text('age', _("Age"), $user_source['Alter']),
                  form_text('tel', _("Phone"), $user_source['Telefon']),
                  form_text('dect', _("DECT"), $user_source['DECT']),
                  form_text('mobile', _("Mobile"), $user_source['Handy']),
                  form_text('mail', _("E-Mail") . ' ' . entry_required(), $user_source['email']),
                  form_checkbox('email_shiftinfo', _("The engelsystem is allowed to send me an email (e.g. when my shifts change)"), $user_source['email_shiftinfo']),
                  form_checkbox('email_by_human_allowed', _("Humans are allowed to send me an email (e.g. for ticket vouchers)"), $user_source['email_by_human_allowed']),
                  form_text('jabber', _("Jabber"), $user_source['jabber']),
                  form_text('hometown', _("Hometown"), $user_source['Hometown']),
                  $enable_tshirt_size ? form_select('tshirt_size', _("Shirt size"), $tshirt_sizes, $user_source['Size']) : '',
                  form_info('', _('Please visit the angeltypes page to manage your angeltypes.')),
                  form_submit('submit', _("Save")) 
              ]) 
          ]),
          div('col-md-6', [
              form([
                  form_info(_("Here you can change your password.")),
                  form_password('password', _("Old password:")),
                  form_password('new_password', _("New password:")),
                  form_password('new_password2', _("Password confirmation:")),
                  form_submit('submit_password', _("Save")) 
              ]),
              form([
                  form_info(_("Here you can choose your color settings:")),
                  form_select('theme', _("Color settings:"), $themes, $user_source['color']),
                  form_submit('submit_theme', _("Save")) 
              ]),
              form([
                  form_info(_("Here you can choose your language:")),
                  form_select('language', _("Language:"), $locales, $user_source['Sprache']),
                  form_submit('submit_language', _("Save")) 
              ]) 
          ]) 
      ]) 
  ]);
}

/**
 * Displays the welcome message to the user and shows a login form.
 */
function User_registration_success_view($event_welcome_message) {
  $parsedown = new Parsedown();
  $event_welcome_message = $parsedown->text($event_welcome_message);
  return page_with_title(_("Registration successful"), [
      msg(),
      div('row', [
          div('col-md-4', [
              $event_welcome_message 
          ]),
          div('col-md-4', [
              '<h2>' . _("Login") . '</h2>',
              form([
                  form_text('nick', _("Nick"), ""),
                  form_password('password', _("Password")),
                  form_submit('submit', _("Login")),
                  buttons([
                      button(page_link_to('user_password_recovery'), _("I forgot my password")) 
                  ]),
                  info(_("Please note: You have to activate cookies!"), true) 
              ], page_link_to('login')) 
          ]),
          div('col-md-4', [
              '<h2>' . _("What can I do?") . '</h2>',
              '<p>' . _("Please read about the jobs you can do to help us.") . '</p>',
              buttons([
                  button(page_link_to('angeltypes') . '&action=about', _("Teams/Job description") . ' &raquo;') 
              ]) 
          ]) 
      ]) 
  ]);
}

/**
 * Gui for deleting user with password field.
 */
function User_delete_view($user) {
  return page_with_title(sprintf(_("Delete %s"), User_Nick_render($user)), [
      msg(),
      buttons([
          button(user_edit_link($user), glyph('chevron-left') . _("back")) 
      ]),
      error(_("Do you really want to delete the user including all his shifts and every other piece of his data?"), true),
      form([
          form_password('password', _("Your password")),
          form_submit('submit', _("Delete")) 
      ]) 
  ]);
}

/**
 * View for editing the number of given vouchers
 */
function User_edit_vouchers_view($user) {
  return page_with_title(sprintf(_("%s's vouchers"), User_Nick_render($user)), [
      msg(),
      buttons([
          button(user_link($user), glyph('chevron-left') . _("back")) 
      ]),
      info(sprintf(_("Angel should receive at least  %d vouchers."), User_get_eligable_voucher_count($user)), true),
      form([
          form_spinner('vouchers', _("Number of vouchers given out"), $user['got_voucher']),
          form_submit('submit', _("Save")) 
      ], page_link_to('users') . '&action=edit_vouchers&user_id=' . $user['UID']) 
  ]);
}

function Users_view($users, $order_by, $arrived_count, $active_count, $force_active_count, $freeloads_count, $tshirts_count, $voucher_count) {
  foreach ($users as &$user) {
    $user['Nick'] = User_Nick_render($user);
    $user['Gekommen'] = glyph_bool($user['Gekommen']);
    $user['got_voucher'] = $user['got_voucher'];
    $user['Aktiv'] = glyph_bool($user['Aktiv']);
    $user['force_active'] = glyph_bool($user['force_active']);
    $user['Tshirt'] = glyph_bool($user['Tshirt']);
    $user['lastLogIn'] = date(_('m/d/Y h:i a'), $user['lastLogIn']);
    $user['actions'] = table_buttons([
        button_glyph(page_link_to('admin_user') . '&id=' . $user['UID'], 'edit', 'btn-xs') 
    ]);
  }
  $users[] = [
      'Nick' => '<strong>' . _('Sum') . '</strong>',
      'Gekommen' => $arrived_count,
      'got_voucher' => $voucher_count,
      'Aktiv' => $active_count,
      'force_active' => $force_active_count,
      'freeloads' => $freeloads_count,
      'Tshirt' => $tshirts_count,
      'actions' => '<strong>' . count($users) . '</strong>' 
  ];
  
  return page_with_title(_("All users"), [
      msg(),
      buttons([
          button(page_link_to('register'), glyph('plus') . _("New user")) 
      ]),
      table([
          'Nick' => Users_table_header_link('Nick', _("Nick"), $order_by),
          'Vorname' => Users_table_header_link('Vorname', _("Prename"), $order_by),
          'Name' => Users_table_header_link('Name', _("Name"), $order_by),
          'DECT' => Users_table_header_link('DECT', _("DECT"), $order_by),
          'Gekommen' => Users_table_header_link('Gekommen', _("Arrived"), $order_by),
          'got_voucher' => Users_table_header_link('got_voucher', _("Voucher"), $order_by),
          'freeloads' => _('Freeloads'),
          'Aktiv' => Users_table_header_link('Aktiv', _("Active"), $order_by),
          'force_active' => Users_table_header_link('force_active', _("Forced"), $order_by),
          'Tshirt' => Users_table_header_link('Tshirt', _("T-Shirt"), $order_by),
          'Size' => Users_table_header_link('Size', _("Size"), $order_by),
          'lastLogIn' => Users_table_header_link('lastLogIn', _("Last login"), $order_by),
          'actions' => '' 
      ], $users) 
  ]);
}

function Users_table_header_link($column, $label, $order_by) {
  return '<a href="' . page_link_to('users') . '&OrderBy=' . $column . '">' . $label . ($order_by == $column ? ' <span class="caret"></span>' : '') . '</a>';
}

function User_shift_state_render($user) {
  $upcoming_shifts = ShiftEntries_upcoming_for_user($user);
  if ($upcoming_shifts === false) {
    return false;
  }
  
  if (count($upcoming_shifts) == 0) {
    return '<span class="text-success">' . _("Free") . '</span>';
  }
  
  if ($upcoming_shifts[0]['start'] > time()) {
    if ($upcoming_shifts[0]['start'] - time() > 3600) {
      return '<span class="text-success moment-countdown" data-timestamp="' . $upcoming_shifts[0]['start'] . '">' . _("Next shift %c") . '</span>';
    }
    return '<span class="text-warning moment-countdown" data-timestamp="' . $upcoming_shifts[0]['start'] . '">' . _("Next shift %c") . '</span>';
  }
  $halfway = ($upcoming_shifts[0]['start'] + $upcoming_shifts[0]['end']) / 2;
  
  if (time() < $halfway) {
    return '<span class="text-danger moment-countdown" data-timestamp="' . $upcoming_shifts[0]['start'] . '">' . _("Shift starts %c") . '</span>';
  }
  return '<span class="text-danger moment-countdown" data-timestamp="' . $upcoming_shifts[0]['end'] . '">' . _("Shift ends %c") . '</span>';
}

function User_view_shiftentries($needed_angel_type) {
  $shift_info = '<br><b>' . $needed_angel_type['name'] . ':</b> ';
  
  $shift_entries = [];
  foreach ($needed_angel_type['users'] as $user_shift) {
    $member = User_Nick_render($user_shift);
    if ($user_shift['freeloaded']) {
      $member = '<strike>' . $member . '</strike>';
    }
    
    $shift_entries[] = $member;
  }
  $shift_info .= join(", ", $shift_entries);
  
  return $shift_info;
}

/**
 * Helper that renders a shift line for user view
 */
function User_view_myshift($shift, $user_source, $its_me) {
  global $LETZTES_AUSTRAGEN, $privileges;
  
  $shift_info = '<a href="' . shift_link($shift) . '">' . $shift['name'] . '</a>';
  if ($shift['title']) {
    $shift_info .= '<br /><a href="' . shift_link($shift) . '">' . $shift['title'] . '</a>';
  }
  foreach ($shift['needed_angeltypes'] as $needed_angel_type) {
    $shift_info .= User_view_shiftentries($needed_angel_type);
  }
  
  $myshift = [
      'date' => date("Y-m-d", $shift['start']),
      'time' => date("H:i", $shift['start']) . ' - ' . date("H:i", $shift['end']),
      'room' => $shift['Name'],
      'shift_info' => $shift_info,
      'comment' => $shift['Comment'] 
  ];
  
  if ($shift['freeloaded']) {
    if (in_array("user_shifts_admin", $privileges)) {
      $myshift['comment'] .= '<br /><p class="error">' . _("Freeloaded") . ': ' . $shift['freeload_comment'] . '</p>';
    } else {
      $myshift['comment'] .= '<br /><p class="error">' . _("Freeloaded") . '</p>';
    }
  }
  
  $myshift['actions'] = [
      button(shift_link($shift), glyph('eye-open') . _('view'), 'btn-xs') 
  ];
  if ($its_me || in_array('user_shifts_admin', $privileges)) {
    $myshift['actions'][] = button(page_link_to('user_myshifts') . '&edit=' . $shift['id'] . '&id=' . $user_source['UID'], glyph('edit') . _('edit'), 'btn-xs');
  }
  if (($shift['start'] > time() + $LETZTES_AUSTRAGEN * 3600) || in_array('user_shifts_admin', $privileges)) {
    $myshift['actions'][] = button(page_link_to('user_myshifts') . ((! $its_me) ? '&id=' . $user_source['UID'] : '') . '&cancel=' . $shift['id'], glyph('trash') . _('sign off'), 'btn-xs');
  }
  $myshift['actions'] = table_buttons($myshift['actions']);
  
  return $myshift;
}

/**
 * Helper that prepares the shift table for user view
 */
function User_view_myshifts($shifts, $user_source, $its_me) {
  $myshifts_table = [];
  $timesum = 0;
  foreach ($shifts as $shift) {
    $myshifts_table[] = User_view_myshift($shift, $user_source, $its_me);
    
    if ($shift['freeloaded']) {
      $timesum += (- 2 * ($shift['end'] - $shift['start']));
    } else {
      $timesum += ($shift['end'] - $shift['start']);
    }
  }
  
  if (count($myshifts_table) > 0) {
    $myshifts_table[] = [
        'date' => '<b>' . _("Sum:") . '</b>',
        'time' => "<b>" . round($timesum / 3600, 1) . " h</b>",
        'room' => "",
        'shift_info' => "",
        'comment' => "",
        'actions' => "" 
    ];
  }
  return $myshifts_table;
}

/**
 * Renders view for a single user
 */
function User_view($user_source, $admin_user_privilege, $freeloader, $user_angeltypes, $user_groups, $shifts, $its_me) {
  $user_name = htmlspecialchars($user_source['Vorname']) . " " . htmlspecialchars($user_source['Name']);
  $myshifts_table = User_view_myshifts($shifts, $user_source, $its_me);
  
  return page_with_title('<span class="icon-icon_angel"></span> ' . htmlspecialchars($user_source['Nick']) . ' <small>' . $user_name . '</small>', [
      msg(),
      div('row space-top', [
          div('col-md-12', [
              buttons([
                  $admin_user_privilege ? button(page_link_to('admin_user') . '&id=' . $user_source['UID'], glyph("edit") . _("edit")) : '',
                  $admin_user_privilege ? button(user_driver_license_edit_link($user_source), glyph("road") . _("driving license")) : '',
                  ($admin_user_privilege && ! $user_source['Gekommen']) ? button(page_link_to('admin_arrive') . '&arrived=' . $user_source['UID'], _("arrived")) : '',
                  $admin_user_privilege ? button(page_link_to('users') . '&action=edit_vouchers&user_id=' . $user_source['UID'], glyph('cutlery') . _('Edit vouchers')) : '',
                  $its_me ? button(page_link_to('user_settings'), glyph('list-alt') . _("Settings")) : '',
                  $its_me ? button(page_link_to('ical') . '&key=' . $user_source['api_key'], glyph('calendar') . _("iCal Export")) : '',
                  $its_me ? button(page_link_to('shifts_json_export') . '&key=' . $user_source['api_key'], glyph('export') . _("JSON Export")) : '',
                  $its_me ? button(page_link_to('user_myshifts') . '&reset', glyph('repeat') . _('Reset API key')) : '' 
              ]) 
          ]) 
      ]),
      div('row', [
          div('col-md-3', [
              '<h1>',
              '<span class="glyphicon glyphicon-phone"></span>',
              $user_source['DECT'],
              '</h1>' 
          ]),
          div('col-md-3', [
              '<h4>' . _("User state") . '</h4>',
              ($admin_user_privilege && $freeloader) ? '<span class="text-danger"><span class="glyphicon glyphicon-exclamation-sign"></span> ' . _("Freeloader") . '</span><br />' : '',
              $user_source['Gekommen'] ? User_shift_state_render($user_source) . '<br />' : '',
              $admin_user_privilege || $its_me ? ($user_source['Gekommen'] ? '<span class="text-success"><span class="glyphicon glyphicon-home"></span> ' . sprintf(_("Arrived at %s"), date('Y-m-d', $user_source['arrival_date'])) . '</span>' : '<span class="text-danger">' . sprintf(_("Not arrived (Planned: %s)"), date('Y-m-d', $user_source['planned_arrival_date'])) . '</span>') : ($user_source['Gekommen'] ? '<span class="text-success"><span class="glyphicon glyphicon-home"></span> ' . _("Arrived") . '</span>' : '<span class="text-danger">' . _("Not arrived") . '</span>'),
              $admin_user_privilege ? ($user_source['got_voucher'] > 0 ? '<br /><span class="text-success">' . glyph('cutlery') . sprintf(ngettext("Got %s voucher", "Got %s vouchers", $user_source['got_voucher']), $user_source['got_voucher']) . '</span><br />' : '<br /><span class="text-danger">' . _("Got no vouchers") . '</span><br />') : '',
              ($user_source['Gekommen'] && $admin_user_privilege && $user_source['Aktiv']) ? ' <span class="text-success">' . _("Active") . '</span>' : '',
              ($user_source['Gekommen'] && $admin_user_privilege && $user_source['Tshirt']) ? ' <span class="text-success">' . _("T-Shirt") . '</span>' : '' 
          ]),
          div('col-md-3', [
              '<h4>' . _("Angeltypes") . '</h4>',
              User_angeltypes_render($user_angeltypes) 
          ]),
          div('col-md-3', [
              '<h4>' . _("Rights") . '</h4>',
              User_groups_render($user_groups) 
          ]) 
      ]),
      ($its_me || $admin_user_privilege) ? '<h2>' . _("Shifts") . '</h2>' : '',
      ($its_me || $admin_user_privilege) ? table([
          'date' => _("Day"),
          'time' => _("Time"),
          'room' => _("Location"),
          'shift_info' => _("Name &amp; workmates"),
          'comment' => _("Comment"),
          'actions' => _("Action") 
      ], $myshifts_table) : '',
      $its_me ? info(glyph('info-sign') . _("Your night shifts between 2 and 8 am count twice."), true) : '',
      $its_me && count($shifts) == 0 ? error(sprintf(_("Go to the <a href=\"%s\">shifts table</a> to sign yourself up for some shifts."), page_link_to('user_shifts')), true) : '' 
  ]);
}

/**
 * View for password recovery step 1: E-Mail
 */
function User_password_recovery_view() {
  return page_with_title(user_password_recovery_title(), [
      msg(),
      _("We will send you an e-mail with a password recovery link. Please use the email address you used for registration."),
      form([
          form_text('email', _("E-Mail"), ""),
          form_submit('submit', _("Recover")) 
      ]) 
  ]);
}

/**
 * View for password recovery step 2: New password
 */
function User_password_set_view() {
  return page_with_title(user_password_recovery_title(), [
      msg(),
      _("Please enter a new password."),
      form([
          form_password('password', _("Password")),
          form_password('password2', _("Confirm password")),
          form_submit('submit', _("Save")) 
      ]) 
  ]);
}

function User_angeltypes_render($user_angeltypes) {
  $output = [];
  foreach ($user_angeltypes as $angeltype) {
    $class = "";
    if ($angeltype['restricted'] == 1) {
      if ($angeltype['confirm_user_id'] != null) {
        $class = 'text-success';
      } else {
        $class = 'text-warning';
      }
    } else {
      $class = 'text-success';
    }
    $output[] = '<a href="' . angeltype_link($angeltype['id']) . '" class="' . $class . '">' . ($angeltype['supporter'] ? glyph('education') : '') . $angeltype['name'] . '</a>';
  }
  return join('<br />', $output);
}

function User_groups_render($user_groups) {
  $output = [];
  foreach ($user_groups as $group) {
    $output[] = substr($group['Name'], 2);
  }
  return join('<br />', $output);
}

/**
 * Render a user nickname.
 *
 * @param User $user_source          
 * @return string
 */
function User_Nick_render($user_source) {
  return '<a class="' . ($user_source['Gekommen'] ? '' : 'text-muted') . '" href="' . page_link_to('users') . '&amp;action=view&amp;user_id=' . $user_source['UID'] . '"><span class="icon-icon_angel"></span> ' . htmlspecialchars($user_source['Nick']) . '</a>';
}

function render_user_departure_date_hint() {
  global $user;
  
  if (! isset($user['planned_departure_date']) || $user['planned_departure_date'] == null) {
    return _("Please enter your planned date of departure on your settings page to give us a feeling for teardown capacities.");
  }
  
  return null;
}

function render_user_freeloader_hint() {
  global $user, $max_freeloadable_shifts;
  
  if (User_is_freeloader($user)) {
    return sprintf(_("You freeloaded at least %s shifts. Shift signup is locked. Please go to heavens desk to be unlocked again."), $max_freeloadable_shifts);
  }
  
  return null;
}

// Hinweis für Engel, die noch nicht angekommen sind
function render_user_arrived_hint() {
  global $user;
  
  if ($user['Gekommen'] == 0) {
    return _("You are not marked as arrived. Please go to heaven's desk, get your angel badge and/or tell them that you arrived already.");
  }
  
  return null;
}

function render_user_tshirt_hint() {
  global $enable_tshirt_size, $user;
  
  if ($enable_tshirt_size && $user['Size'] == "") {
    return _("You need to specify a tshirt size in your settings!");
  }
  
  return null;
}

function render_user_dect_hint() {
  global $user;
  
  if ($user['DECT'] == "") {
    return _("You need to specify a DECT phone number in your settings! If you don't have a DECT phone, just enter \"-\".");
  }
  
  return null;
}

?>