<?php

/**
 * Implementation of hook_requirements().
 *
 * Thanks to the geofield module for a large portion (ALL) of this code.
 *
 * FIXME - This should actually be moved to the gm3_region module, although it
 * should probably be used in this module too.
 */
function gm3_requirements($phase){
  module_load_include('module', 'gm3');
  $geophp = gm3_load_geophp();
  if($geophp){
    try{
      $geophp_version = geoPHP::version();
    }
    catch(Exception $e){
      $geophp_version = 0;
    }
    if($geophp_version >= 1.2){
      return array(
        'gm3_geophp' => array(
          'title' => t('GeoPHP Library'),
          'severity' => REQUIREMENT_OK,
          'value' => $geophp_version
        )
      );
    }elseif($geophp_version >= 0.3){
      return array(
        'gm3_geophp' => array(
          'title' => t('GeoPHP Library'),
          'severity' => REQUIREMENT_INFO,
          'value' => $geophp_version,
          'description' => t('GeoPHP library was found, but you are running an old version. The version you are running is compatible, but it is not current, possibly leading to problems.')
        )
      );
    }else{
      return array(
        'gm3_geophp' => array(
          'title' => t('GeoPHP Library'),
          'severity' => REQUIREMENT_ERROR,
          'value' => $geophp_version,
          'description' => t('GeoPHP library was found, but you are running an old version. This will lead to problems when working with GM3. Please download %link and update.', array(
            '%link' => 'https://github.com/downloads/phayes/geoPHP/geoPHP.tar.gz'
          ))
        )
      );
    }
  }else{
    return array(
      'gm3_geophp' => array(
        'title' => t('GeoPHP Library'),
        'severity' => REQUIREMENT_ERROR,
        'description' => t('GeoPHP library was not found. This will lead to problems when working with GM3. Please download from %link and install.', array(
          '%link' => 'https://github.com/downloads/phayes/geoPHP/geoPHP.tar.gz'
        ))
      )
    );
  }
}

/**
 * Clear unused settings
 */
function gm3_update_7004(){
  $gm3_settings = variable_get('gm3_default_settings', FALSE);

  $allowed_fields = array(
    'width',
    'height',
    'center',
    'zoom',
    'maxZoom',
    'minZoom'
  );

  if($gm3_settings != FALSE) {
    $new_settings = array();

    foreach($allowed_fields as $field){
      $new_settings[$field] = $gm3_settings[$field];
    }

    variable_set('gm3_default_settings', $new_settings);
  }
}