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<?php

namespace WPGMZA;



require_once(plugin_dir_path(__DIR__) . 'lib/codecabin/class.settings.php');

class GlobalSettings extends \codecabin\Settings
{
    const TABLE_NAME = 'wpgmza_global_settings';
    const LEGACY_TABLE_NAME = 'WPGMZA_OTHER_SETTINGS';
    
    private $updatingLegacySettings = false;
    
    public function __construct()
    {
        $self = $this;
        
        $legacy_settings_exist = (get_option(GlobalSettings::LEGACY_TABLE_NAME) ? true : false);
        $settings_exist = (get_option(GlobalSettings::TABLE_NAME) ? true : false);
        
        if($legacy_settings_exist && !$settings_exist)
            $this->migrate();
        
        \codecabin\Settings::__construct(GlobalSettings::TABLE_NAME);
        
        $this->wpgmza_google_maps_api_key = get_option('wpgmza_google_maps_api_key');
        
        if(!$legacy_settings_exist && !$settings_exist)
            $this->install();
        
        // Legacy Pro support. Users with older Pro will lose settings 
        add_filter('pre_update_option_WPGMZA_OTHER_SETTINGS', array($this, 'onPreUpdateLegacySettings'), 10, 2);
    }
    
    public function __get($name)
    {
        if($name == 'useLegacyHTML')
            return true;
        
        return \codecabin\Settings::__get($name);
    }
    
    // TODO: This should inherit from Factory when traits are available
    public static function createInstance()
    {
        $class = get_called_class();
        $args = func_get_args();
        $count = count($args);
        $filter = "wpgmza_create_$class";
        
        if(empty($args))
            $filter_args = array($filter, null);
        else
            $filter_args = array_merge(array($filter), $args);
        
        $override = call_user_func_array('apply_filters', $filter_args);
        
        if($override)
            return $override;
        
        $reflect = new \ReflectionClass($class);
        $instance = $reflect->newInstanceArgs($args);
        
        return $instance;
    }
    
    public function getDefaults()
    {
        $settings = apply_filters('wpgmza_plugin_get_default_settings', array(
            'engine'                => 'google-maps',
            'google_maps_api_key'   => get_option('wpgmza_google_maps_api_key'),
            'default_marker_icon'   => Marker::DEFAULT_ICON,
            'developer_mode'        => false
        ));
        
        return $settings;
    }
    
    public function onPreUpdateLegacySettings($new_value, $old_value)
    {
        // Merge legacy settings into this settings
        if(!$this->updatingLegacySettings)
            $this->set($new_value);
        
        return $new_value;
    }
    
    protected function update()
    {
        /*echo "<pre>";
        debug_print_backtrace();
        echo "</pre>";*/
        
        \codecabin\Settings::update();
        
        // Legacy Pro support
        $this->updatingLegacySettings = true;
        
        //var_dump($this->wpgmza_settings_map_full_screen_control);
        
        //if(empty($this->wpgmza_settings_map_full_screen_control))
            //throw new \Exception('why');
        
        $legacy = $this->toArray();
        
        //var_dump($legacy['wpgmza_settings_map_full_screen_control']);
        
        //var_dump("Updating " . GlobalSettings::LEGACY_TABLE_NAME, $legacy);
        
        //if(empty($legacy['wpgmza_settings_map_full_screen_control']))
            //throw new \Exception('Can you not');
        
        update_option(GlobalSettings::LEGACY_TABLE_NAME, $legacy);
        
        //var_dump("Read back ", get_option(GlobalSettings::LEGACY_TABLE_NAME));
        
        $this->updatingLegacySettings = false;
    }
    
    protected function install()
    {
        $this->set( $this->getDefaults() );
    }
    
    protected function migrate()
    {
        $legacy = get_option(GlobalSettings::LEGACY_TABLE_NAME);
        
        $json = json_encode($legacy);
        
        update_option(GlobalSettings::TABLE_NAME, $json);
    }
    
    public function jsonSerialize()
    {
        $src = \codecabin\Settings::jsonSerialize();
        $data = clone $src;
        
        if(isset($data->wpgmza_settings_ugm_email_address))
            unset($data->wpgmza_settings_ugm_email_address);
        
        return $data;
    }
    
    public function toArray()
    {
        $src = \codecabin\Settings::toArray();
        $data = (array)$src;
        
        if(isset($data['wpgmza_settings_ugm_email_address']))
            unset($data['wpgmza_settings_ugm_email_address']);
        
        return $data;
    }
}