<?php
    /*
    Plugin Name: ACF-VC Integrator
    Plugin URI: http://www.dejliglama.dk/
    Description: ACF VC Integrator plugin is the easiest way to output your Advanced Custom Posttype fields in a Visual Composer Grid.
    Author: DejligLama.dk
    Version: 1.1
    Author URI: http://www.dejliglama.dk/
    */
?>
<?php
	function acf_vc_integrator_check_for_dependancy() {
		function acf_vc_integrator_showMessage($message, $msgn = 'success', $isDismissible = false)
		{
			if ($msgn == "error") {
				echo '<div class="notice notice-error '.$isDismissible.'">';
			} elseif ($msgn == "info") {
				echo '<div class="notice notice-info '.$isDismissible.'">';
			}	else {
				echo '<div class="notice notice-success '.$isDismissible.'">';
			}
			echo "<p><strong>$message</strong></p></div>";
		}

		function acf_vc_integrator_showAdminMessages()
		{
			if ( !is_plugin_active( 'js_composer/js_composer.php' ) and  !is_plugin_active( 'advanced-custom-fields/acf.php' ) AND !is_plugin_active( 'advanced-custom-fields-pro/acf.php' )) {
				acf_vc_integrator_showMessage("ACF-VC Integrator require both WP Bakery Visual Composer and Advanced Custom Fields plugins installed and activated.", "error");
			} elseif ( !is_plugin_active( 'js_composer/js_composer.php' ) ) {
				acf_vc_integrator_showMessage("ACF-VC Integrator require WP Bakery Visual Composer plugin installed and activated.", "error");
			} elseif ( !is_plugin_active( 'advanced-custom-fields/acf.php' ) AND !is_plugin_active( 'advanced-custom-fields-pro/acf.php' ) ) {
				acf_vc_integrator_showMessage("ACF-VC Integrator require Advanced Custom Fields or Advanced Custom Fields Pro plugin installed and activated.", "error");
			}
      if(is_plugin_active( 'advanced-custom-fields-pro/acf.php' )) {
        $screen = get_current_screen();
        if( $screen->parent_base === "acf-vc-integrator" ) {
          acf_vc_integrator_showMessage("ACF-VC Integrator version 1.1 supports the Repeater field in ACF-Pro, as well as fields also found in ACF.", "info");
        } elseif($screen->parent_base === "plugins") {
          acf_vc_integrator_showMessage("ACF-VC Integrator version 1.1 supports the Repeater field in ACF-Pro, as well as fields also found in ACF.", "info", "is-dismissible");
        }
      }
		}
		add_action('admin_notices', 'acf_vc_integrator_showAdminMessages');
	}

	//Check for ACF and VC plugins
	add_action('admin_init', 'acf_vc_integrator_check_for_dependancy');

  //Get acf OR acf pro version number
  function get_acf_version_number() {
  	if ( ! function_exists( 'get_plugins' ) )
  		require_once( ABSPATH . 'wp-admin/includes/plugin.php' );

    if ( !is_plugin_active( 'advanced-custom-fields-pro/acf.php' ) ) {
    	$plugin_folder = get_plugins( '/' . 'advanced-custom-fields' );
    } else {
      $plugin_folder = get_plugins( '/' . 'advanced-custom-fields-pro' );
    }
    $plugin_file = 'acf.php';

  	if ( isset( $plugin_folder[$plugin_file]['Version'] ) ) {
  		return $plugin_folder[$plugin_file]['Version'];
  	} else {
  		return NULL;
  	}
  }

  function is_acf_repeater_active() {
    if( is_plugin_active( 'acf-repeater/acf-repeater.php' ) AND !is_plugin_active( 'advanced-custom-fields-pro/acf.php' ) ) {
      return true;
    } else {
      return false;
    }
  }

	//Adding dashboard page.
	function acf_vc_integrator_admin() {
		include('acf_vc_integrator_admin.php');
	}
	function acf_vc_integrator_admin_actions() {
		/* add_options_page("ACF-VC Integrator", "ACF-VC Integrator", 1, "acf-vc-integrator", "acf_vc_integrator_admin"); */
		add_menu_page("ACF-VC Integrator", "ACF-VC Integrator", 1, "acf-vc-integrator", "acf_vc_integrator_admin", plugin_dir_url( __FILE__ )."images/acf_icon.png");
	}
	add_action('admin_menu', 'acf_vc_integrator_admin_actions');

	add_action( 'vc_before_init', 'acf_vc_integrator_elem' );
	function acf_vc_integrator_elem() {

		$groups = function_exists( 'acf_get_field_groups' ) ? acf_get_field_groups() : apply_filters( 'acf/get_field_groups', array() );
		$groups_param_values = $fields_params = array();
		foreach ( $groups as $group ) {
			$flg = 1;

			$id = isset( $group['id'] ) ? 'id' : ( isset( $group['ID'] ) ? 'ID' : 'id' );
			$groups_param_values[ $group['title'] ] = $group[ $id ];
			$fields = function_exists( 'acf_get_fields' ) ? acf_get_fields( $group[ $id ] ) : apply_filters( 'acf/field_group/get_fields', array(), $group[ $id ] );
			$fields_param_value = array();
			foreach ( $fields as $field ) {
				$fields_param_value[ $field['label'] ] = (string) $field['key'];
			}
			$fields_params[] = array(
				'type' => 'dropdown',
				'heading' => __( 'Field name', 'js_composer' ),
				'param_name' => 'field_from_' . $group[ $id ],
				'value' => $fields_param_value,
				'save_always' => true,
				'description' => __( 'Select field from group.', 'js_composer' ),
				'dependency' => array(
					'element' => 'field_group',
					'value' => array( (string) $group[ $id ] ),
				)
			);

		}

		wp_enqueue_style( 'acf-vc-integrator-style', plugin_dir_url( __FILE__ ).'css/acf-vc-integrator-style.css');
    include_once('inc/acf_vc_helper.php');

		vc_map( array(
			'name' => __( 'ACF-VC Integrator', 'js_composer' ),
			'base' => 'acf_vc_integrator',
			'icon' => plugin_dir_url( __FILE__ )."images/acf_icon1.png",
			'category' => __( 'Content', 'js_composer' ),
			'description' => __( 'Advanced Custom Field - Visual Composer Integrator', 'js_composer' ),
			'php_class_name' => 'Acf_vc_integrator_Shortcode',
			'admin_enqueue_css' => plugin_dir_url( __FILE__ ).'css/acf-vc-integrator-style.css',
			'params' => array_merge(
				array(
					array(
						'type' => 'dropdown',
						'heading' => __( 'Field group', 'js_composer' ),
						'param_name' => 'field_group',
						'admin_label' => true,
						'value' => $groups_param_values,
						'save_always' => true,
						'description' => __( 'Select field group.', 'js_composer' ),
					),
				),
				$fields_params,
				array(
					array(
						'type' => 'checkbox',
						'heading' => __( 'Show label', 'js_composer' ),
						'param_name' => 'show_label',
						'value' => array( __( 'Yes', 'js_composer' ) => 'yes' ),
						'description' => __( 'Enter label to display before key value.', 'js_composer' ),
					),
					array(
						'type' => 'dropdown',
						'heading' => __( 'Align', 'js_composer' ),
						'param_name' => 'align',
						'value' => array(
							__( 'left', 'js_composer' ) => 'left',
							__( 'right', 'js_composer' ) => 'right',
							__( 'center', 'js_composer' ) => 'center',
							__( 'justify', 'js_composer' ) => 'justify',
						),
						'description' => __( 'Select alignment.', 'js_composer' ),
					),
					array(
						'type' => 'textfield',
						'heading' => __( 'Extra class name', 'js_composer' ),
						'param_name' => 'el_class',
						'description' => __( 'Style particular content element differently - add a class name and refer to it in custom CSS.', 'js_composer' ),
					),
					array(
						'type' => 'textfield',
						'heading' => __( 'Custom Link Text', 'js_composer' ),
						'param_name' => 'link_text',
						'description' => __( 'Applicable only for File Objects and Page Links', 'js_composer' ),
					)
				)
			),
		));
		class Acf_vc_integrator_Shortcode extends WPBakeryShortCode {
			/**
			 * @param $atts
			 * @param null $content
			 *
			 * @return mixed|void
			 */
			protected function content( $atts, $content = null ) {
				$field_key = $label = '';
				/**
				 * @var string $el_class
				 * @var string $show_label
				 * @var string $align
				 * @var string $field_group
				 */
				extract( shortcode_atts( array(
					'el_class' => '',
					'field_group' => '',
					'show_label' => '',
					'align' => '',
					'link_text' => ''
				), $atts ) );

        $acf_version = get_acf_version_number();

        if ( 0 === strlen( $field_group ) ) {
					$groups = function_exists( 'acf_get_field_groups' ) ? acf_get_field_groups() : apply_filters( 'acf/get_field_groups', array() );
					if ( is_array( $groups ) && isset( $groups[0] ) ) {
						$key = isset( $groups[0]['id'] ) ? 'id' : ( isset( $groups[0]['ID'] ) ? 'ID' : 'id' );
						$field_group = $groups[0][ $key ];
					}
				}
				if ( ! empty( $field_group ) ) {
					$field_key = ! empty( $atts[ 'field_from_' . $field_group ] ) ? $atts[ 'field_from_' . $field_group ] : 'field_from_group_' . $field_group;
				}

				$custom_field = get_field_object($field_key);
				$css_class = 'vc_sw-acf' . ( strlen( $el_class ) ? ' ' . $el_class : '' ) . ( strlen( $align ) ? ' vc_sw-align-' . $align : '' ) . ( strlen( $field_key ) ? ' ' . $field_key : '' );
				$link_text = ( strlen( $link_text ) ? $link_text : 'Link' );
        $acf_vc_helper = new acf_vc_helper();
				if('image' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->image($custom_field, $acf_version);
				} elseif('file' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->file($custom_field, $acf_version, $link_text);
				} elseif('checkbox' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->checkbox($custom_field, $acf_version);
				} elseif('user' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->user($custom_field, $acf_version);
				} elseif('page_link' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->page_link($custom_field, $acf_version, $link_text);
				} elseif('google_map' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->google_map($custom_field, $acf_version);
				} elseif('color_picker' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->color_picker($custom_field, $acf_version);
				} elseif('true_false' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->true_false($custom_field, $acf_version);
				} elseif('taxonomy' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->taxonomy($custom_field, $acf_version);
				} elseif('post_object' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->post_object($custom_field, $acf_version);
				} elseif('relationship' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->relationship($custom_field, $acf_version);
				} elseif('url' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->url($custom_field, $acf_version);
  			} elseif('select' === $custom_field["type"]) {
          $ret_val = $acf_vc_helper->select($custom_field, $acf_version);
  			} elseif('repeater' === $custom_field["type"]) {

          $acf_vc_pro_helper = new acf_vc_pro_helper();
          $fieldNamesKeys = $custom_field['value'][0];
          $fieldNames = array_keys($fieldNamesKeys);
          $is_acf_repeater_active = is_acf_repeater_active();

          $ret_val .= '<table>';
          while ( has_sub_field($custom_field['name']) ) {
            $ret_val .= '<tr>';
            foreach ($fieldNames as $key => $value) {
            $subSeild = get_sub_field_object($value);
              if( $is_acf_repeater_active === true ) {
                $subSeildValue = get_sub_field($value);
                $subSeild["value"] = $subSeildValue;
              }
              $ret_val .= $acf_vc_pro_helper->repeater($subSeild, $acf_version, $link_text);
            }
            $ret_val .= '</tr>';
          }
          $ret_val .= '</table>';
        }

				if($ret_val == "data-mismatch") {
					// set the mismatch error message here.
					$ret_val = 'Data mismatch error. Custom field value doesn\'t match the field type. Please set the field value again.';
				}
				if ( 'yes' === $show_label) {
					if(!isset($ret_val)) {
						$ret_val = '<span class="sw-acf-field-label label-'.$field_key.'">'.$custom_field["label"].':</span> '.$custom_field["value"];
					} else {
						$ret_val = '<span class="sw-acf-field-label label-'.$field_key.'">'.$custom_field["label"].':</span> '.$ret_val;
					}
				} else {
					if(!isset($ret_val)) $ret_val = $custom_field["value"];
				}

				return '<div id="' . $field_key . '" class="' . esc_attr( $css_class ) . '">'.$ret_val. '</div>';
				/*return '<< Working on retrieving the data from ACF. >>';*/

			}
		}


	}
?>