<?php
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

load_language('plugin.lang', typetags_PATH);

function get_color_text($color)
{
  if (strlen($color) == 7)
  {
    $rgb[] = hexdec(substr($color, 1, 2))/255;
    $rgb[] = hexdec(substr($color, 3, 2))/255;
    $rgb[] = hexdec(substr($color, 5, 2))/255;
  }
  else if (strlen($color) == 4)
  {
    $rgb[] = hexdec(substr($color, 1, 1))/15;
    $rgb[] = hexdec(substr($color, 2, 1))/15;
    $rgb[] = hexdec(substr($color, 3, 1))/15;
  }
  $l = (min($rgb) + max($rgb)) / 2;
  return $l > 0.45 ? '#000' : '#fff';
}

// +-----------------------------------------------------------------------+
// |                                edit typetags                          |
// +-----------------------------------------------------------------------+

if (isset($_POST['edittypetag']) and (empty($_POST['typetag_name']) or empty($_POST['typetag_color'])))
{
  $edited_typetag = array(
    'id' => $_POST['edited_typetag'],
    'name' => $_POST['typetag_name'],
    'color' => $_POST['typetag_color'],
  );
  $page['errors'][] = l10n('typetag_error');
}
else if (isset($_POST['edittypetag']))
{
  $typetag = mysql_escape_string($_POST['edited_typetag']);
  $typetag_name = mysql_escape_string($_POST['typetag_name']);
  $typetag_color = mysql_escape_string($_POST['typetag_color']);

  $all_typetags = pwg_query("
    SELECT 
      id, 
      name, 
      color
    FROM  `". typetags_TABLE ."`;
  ");
  
  while ($row = mysql_fetch_array($all_typetags))
  {
    $existing_names[] = $row['name'];
    if ($typetag == $row['id'])
    {
      $current_name = $row['name'];
      $current_color = $row['color'];
    }
  }

  // we must not rename typetag with an already existing name
  if ($typetag_name != $current_name AND in_array($typetag_name, $existing_names))
  {
    $edited_typetag = array(
      'id' => $typetag,
      'name' => $typetag_name,
      'color' => $typetag_color,
    );
    
    $page['errors'][] = l10n('typetag_already_exists');
  }
  else
  {
    pwg_query("
      UPDATE `". typetags_TABLE ."` SET 
        `name` = '". $typetag_name ."',
        `color` = '". $typetag_color ."'
      WHERE `id` = ". $typetag .";
    ");
    
    $page['infos'][] = l10n('typetag_saved');
  }
}

// +-----------------------------------------------------------------------+
// |                           delete typetags                             |
// +-----------------------------------------------------------------------+

if (isset($_GET['deletetypetag']))
{
  $query = "
    SELECT name
    FROM `". typetags_TABLE ."`
    WHERE id = ". $_GET['deletetypetag'] .";
  ";
  $typetag_name = array_from_query($query, 'name');
  
  if (count($typetag_name) != 0)
  {
    pwg_query("
      UPDATE `". TAGS_TABLE ."`
      SET id_typetags = NULL
      WHERE id_typetags = ". $_GET['deletetypetag'] .";
    ");

    pwg_query("
      DELETE FROM `". typetags_TABLE ."`
      WHERE id = ". $_GET['deletetypetag'] .";
    ");

    $page['infos'][] = l10n('typetag_suppr').' : '.$typetag_name[0];
  }
  else
  {
    $page['errors'][] = l10n('typetag_unknown').' : '.$_GET['deletetypetag'];
  }
}

// +-----------------------------------------------------------------------+
// |                               add a typetag                           |
// +-----------------------------------------------------------------------+

if (isset($_POST['addtypetag']) and (empty($_POST['typetag_name']) or empty($_POST['typetag_color'])))
{
  $template->assign('typetag', array(
    'NAME' => isset($_POST['typetag_name']) ? $_POST['typetag_name'] : '',
    'COLOR' => isset($_POST['typetag_color']) ? $_POST['typetag_color'] : '',
  ));
  
  $page['errors'][] = l10n('typetag_error');
}
else if (isset($_POST['addtypetag']))
{
  $typetag_name = $_POST['typetag_name'];
  $typetag_color = $_POST['typetag_color'];

  // does the tag already exists?
  $query = "
    SELECT id
    FROM `". typetags_TABLE ."`
    WHERE name = '". $typetag_name ."';
  ";
  $existing_tags = array_from_query($query, 'id');

  if (count($existing_tags) == 0)
  {
    pwg_query("
      INSERT INTO `". typetags_TABLE ."`(
        `name`,
        `color`
      )
      VALUES(
        '". $typetag_name ."',
        '". $typetag_color ."'
      );
    ");

    $page['infos'][] = l10n('typetag_saved');
  }
  else
  {
    $template->assign('typetag', array(
      'NAME' => $typetag_name,
      'COLOR' => $typetag_color,
    ));
    
    $page['errors'][] = l10n('typetag_already_exists');
  }
}

// +-----------------------------------------------------------------------+
// |                           Associate Tag to Typetage                   |
// +-----------------------------------------------------------------------+

if (isset($_POST['delete_all_assoc'])) 
{
  pwg_query("UPDATE `". TAGS_TABLE ."` SET id_typetags = NULL;");
  $page['infos'][] = l10n('All associations have been removed');

} 
else if (isset($_POST['associations'])) 
{
    // beautify the parameters array
    $string = preg_replace('#[;]$#', '', $_POST['associations']);
    $associations = array();
    $a = explode(';', $string);
    
    foreach ($a as $s) 
    {
       $v = explode(':', $s);
       $associations[ltrim($v[0],'t-')] = ltrim($v[1],'tt-');
    }

    // save associations
    foreach ($associations AS $tag => $typetag) 
    {
      pwg_query("
        UPDATE `". TAGS_TABLE ."`
        SET id_typetags = ". $typetag ."
        WHERE id = ". $tag .";
      ");
    }
    
    $page['infos'][] = l10n('typetags_associated');
}


// +-----------------------------------------------------------------------+
// |                             template init                             |
// +-----------------------------------------------------------------------+

$template->set_filenames(array('plugin_admin_content' => dirname(__FILE__) . '/admin/typetags_admin.tpl'));

// Récupère tous les tags
$all_tags = pwg_query("
  SELECT 
    t.id as tagid,
    t.name as tagname, 
    tt.id as typetagid,
    tt.name as typetagname
  FROM `". TAGS_TABLE ."` as t 
  LEFT JOIN `". typetags_TABLE ."` as tt
  ON  t.id_typetags = tt.id
  ORDER BY t.name ASC;
");

while ($row = pwg_db_fetch_assoc($all_tags)) {
  if ($row['typetagname'] == null) $row['typetagid'] = 'NULL';
  $template->append('typetags_association', $row);
}

// Récupère tous les typetags
$all_typetags = pwg_query("SELECT * FROM `". typetags_TABLE ."` ORDER BY `name`;");

while ($row = mysql_fetch_assoc($all_typetags))
{
  $row['color_text'] = get_color_text($row['color']);
  $row['u_edit'] = typetags_ADMIN . '&edittypetag=' . $row['id'];
  $row['u_delete'] = typetags_ADMIN . '&deletetypetag=' . $row['id'];
  
  $template->append('typetags_selection', $row);
}

// formualire d'édition
if (isset($_GET['edittypetag'])) {
  $edited_typetag['id'] = $_GET['edittypetag'];
}

if (isset($edited_typetag['id']))
{
  $template->assign('edited_typetag', $edited_typetag['id']);

  $tag = pwg_query("
    SELECT 
      id,
      name,
      color
    FROM `". typetags_TABLE ."`
    WHERE id = ".$edited_typetag['id'].";
  ");
  $row = pwg_db_fetch_assoc($tag);

  $template->assign('typetag', array(
    'ID' => $row['id'],
    'OLD_NAME' => $row['name'],
    'OLD_COLOR' => $row['color'],
    'COLOR_TEXT' => get_color_text($row['color']),
    'NAME' => isset($edited_typetag['name']) ? $edited_typetag['name'] : $row['name'],
    'COLOR'=> isset($edited_typetag['color']) ? $edited_typetag['color'] : $row['color'],
  ));
}

// +-----------------------------------------------------------------------+
// |                           sending html code                           |
// +-----------------------------------------------------------------------+

$template->assign('typetags_ADMIN', typetags_ADMIN);
$template->assign_var_from_handle('ADMIN_CONTENT', 'plugin_admin_content');

?>