<?php

if( ! class_exists('acf_field_google_map') ) :

class acf_field_google_map extends acf_field {
	
	
	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type	function
	*  @date	5/03/2014
	*  @since	5.0.0
	*
	*  @param	n/a
	*  @return	n/a
	*/
	
	function initialize() {
		
		// vars
		$this->name = 'google_map';
		$this->label = __("Google Map",'acf');
		$this->category = 'jquery';
		$this->defaults = array(
			'height'		=> '',
			'center_lat'	=> '',
			'center_lng'	=> '',
			'zoom'			=> ''
		);
		$this->default_values = array(
			'height'		=> '400',
			'center_lat'	=> '-37.81411',
			'center_lng'	=> '144.96328',
			'zoom'			=> '14'
		);
	}
	
	
	 /*
	*  input_admin_enqueue_scripts
	*
	*  description
	*
	*  @type	function
	*  @date	16/12/2015
	*  @since	5.3.2
	*
	*  @param	$post_id (int)
	*  @return	$post_id (int)
	*/
	
	function input_admin_enqueue_scripts() {
		
		// localize
		acf_localize_text(array(
			'Sorry, this browser does not support geolocation'	=> __('Sorry, this browser does not support geolocation', 'acf'),
	   	));
	   	
	   	
		// bail ealry if no enqueue
	   	if( !acf_get_setting('enqueue_google_maps') ) {
		   	return;
	   	}
	   	
	   	
	   	// vars
	   	$api = array(
			'key'		=> acf_get_setting('google_api_key'),
			'client'	=> acf_get_setting('google_api_client'),
			'libraries'	=> 'places',
			'ver'		=> 3,
			'callback'	=> '',
			'language'	=> acf_get_locale()
	   	);
	   	
	   	
	   	// filter
	   	$api = apply_filters('acf/fields/google_map/api', $api);
	   	
	   	
	   	// remove empty
	   	if( empty($api['key']) ) unset($api['key']);
	   	if( empty($api['client']) ) unset($api['client']);
	   	
	   	
	   	// construct url
	   	$url = add_query_arg($api, 'https://maps.googleapis.com/maps/api/js');
	   	
	   	
	   	// localize
	   	acf_localize_data(array(
		   	'google_map_api'	=> $url
	   	));
	}
	
	
	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field - an array holding all the field's data
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/
	
	function render_field( $field ) {
		
		// Apply defaults.
		foreach( $this->default_values as $k => $v ) {
			if( !$field[ $k ] ) {
				$field[ $k ] = $v;
			}	
		}
		
		// Attrs.
		$attrs = array(
			'id'			=> $field['id'],
			'class'			=> "acf-google-map {$field['class']}",
			'data-lat'		=> $field['center_lat'],
			'data-lng'		=> $field['center_lng'],
			'data-zoom'		=> $field['zoom'],
		);
		
		$search = '';
		if( $field['value'] ) {
			$attrs['class'] .= ' -value';
			$search = $field['value']['address'];
		} else {
			$field['value'] = '';
		}
		
?>
<div <?php acf_esc_attr_e($attrs); ?>>
	
	<?php acf_hidden_input( array('name' => $field['name'], 'value' => $field['value']) ); ?>
	
	<div class="title">
		
		<div class="acf-actions -hover">
			<a href="#" data-name="search" class="acf-icon -search grey" title="<?php _e("Search", 'acf'); ?>"></a>
			<a href="#" data-name="clear" class="acf-icon -cancel grey" title="<?php _e("Clear location", 'acf'); ?>"></a>
			<a href="#" data-name="locate" class="acf-icon -location grey" title="<?php _e("Find current location", 'acf'); ?>"></a>
		</div>
		
		<input class="search" type="text" placeholder="<?php _e("Search for address...",'acf'); ?>" value="<?php echo esc_attr( $search ); ?>" />
		<i class="acf-loading"></i>
				
	</div>
	
	<div class="canvas" style="<?php echo esc_attr('height: '.$field['height'].'px'); ?>"></div>
	
</div>
<?php
		
	}
	
		
	/*
	*  render_field_settings()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field	- an array holding all the field's data
	*/
	
	function render_field_settings( $field ) {
		
		// center_lat
		acf_render_field_setting( $field, array(
			'label'			=> __('Center','acf'),
			'instructions'	=> __('Center the initial map','acf'),
			'type'			=> 'text',
			'name'			=> 'center_lat',
			'prepend'		=> 'lat',
			'placeholder'	=> $this->default_values['center_lat']
		));
		
		
		// center_lng
		acf_render_field_setting( $field, array(
			'label'			=> __('Center','acf'),
			'instructions'	=> __('Center the initial map','acf'),
			'type'			=> 'text',
			'name'			=> 'center_lng',
			'prepend'		=> 'lng',
			'placeholder'	=> $this->default_values['center_lng'],
			'_append' 		=> 'center_lat'
		));
		
		
		// zoom
		acf_render_field_setting( $field, array(
			'label'			=> __('Zoom','acf'),
			'instructions'	=> __('Set the initial zoom level','acf'),
			'type'			=> 'text',
			'name'			=> 'zoom',
			'placeholder'	=> $this->default_values['zoom']
		));
		
		
		// allow_null
		acf_render_field_setting( $field, array(
			'label'			=> __('Height','acf'),
			'instructions'	=> __('Customize the map height','acf'),
			'type'			=> 'text',
			'name'			=> 'height',
			'append'		=> 'px',
			'placeholder'	=> $this->default_values['height']
		));
		
	}
	
	/**
	 * load_value
	 *
	 * Filters the value loaded from the database.
	 *
	 * @date	16/10/19
	 * @since	5.8.1
	 *
	 * @param	mixed $value The value loaded from the database.
	 * @param	mixed $post_id The post ID where the value is saved.
	 * @param	array $field The field settings array.
	 * @return	(array|false)
	 */
	 function load_value( $value, $post_id, $field ) {
		
		// Ensure value is an array.
		if( $value ) {
			return wp_parse_args($value, array(
				'address'	=> '',
				'lat'		=> 0,
				'lng'		=> 0
			));
		}
		
		// Return default.
		return false;
	}
	
	
	/*
	*  update_value()
	*
	*  This filter is appied to the $value before it is updated in the db
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value - the value which will be saved in the database
	*  @param	$post_id - the $post_id of which the value will be saved
	*  @param	$field - the field array holding all the field options
	*
	*  @return	$value - the modified value
	*/
	function update_value( $value, $post_id, $field ) {
		
		// decode JSON string.
		if( is_string($value) ) {
			$value = json_decode( wp_unslash($value), true );
		}
		
		// Ensure value is an array.
		if( $value ) {
			return (array) $value;
		}
		
		// Return default.
		return false;
	}
}


// initialize
acf_register_field_type( 'acf_field_google_map' );

endif; // class_exists check

?>