<?php

use wpai_acf_add_on\ACFService;

/**
 *
 * @author Maksym Tsypliakov <maksym.tsypliakov@gmail.com>
 */

class PMAI_Admin_Import extends PMAI_Controller_Admin {

    /**
     * @param string $post_type
     * @param $post
     */
    public function index( $post_type, $post ) {
        $this->data['post_type'] = $post_type;
        $this->data['post'] =& $post;
        $this->data['groups'] = array();
        $savedGroups = array();

        if (ACFService::isACFNewerThan('5.0.0')) {
            $savedGroups = get_posts(array(
                'posts_per_page' => -1,
                'post_type' => 'acf-field-group',
                'order' => 'ASC',
                'orderby' => 'title'
            ));
            $this->data['groups'] = [];
            if (function_exists('acf_local')) {
                $this->data['groups'] = acf_local()->groups;
            }
            if (empty($this->data['groups']) && function_exists('acf_get_local_field_groups')) {
                $this->data['groups'] = acf_get_local_field_groups();
            }
        } else {
            $this->data['groups'] = apply_filters('acf/get_field_groups', array());
        }

        if (!empty($savedGroups)) {
            foreach ($savedGroups as $key => $group) {
                if (ACFService::isACFNewerThan('5.0.0')) {
                    $groupData = acf_get_field_group($group);
                    // Prepare validation rules.
                    if (!empty($groupData['location'])) {
                        foreach ($groupData['location'] as $i => $locations) {
                            foreach ($locations as $j => $location) {
                                if ($location['param'] !== 'post_type') {
                                    unset($groupData['location'][$i][$j]);
                                }
                            }
                        }
                    }
                    // Only render visible field groups.
                    if (in_array($post_type, array('taxonomies', 'import_users')) || acf_get_field_group_visibility($groupData, array('post_type' => $post_type)) || empty($groupData['location'][0])) {
                        $this->addGroup($group);
                    }
                } else {
                    $this->addGroup($group);
                }
            }
        }

        if (!empty($this->data['groups'])) {
            foreach ($this->data['groups'] as $key => $group) {
                if (empty($this->data['groups'][$key]['ID']) && !empty($this->data['groups'][$key]['id'])) {
                    $this->data['groups'][$key]['ID'] = $this->data['groups'][$key]['id'];
                } elseif (empty($this->data['groups'][$key]['ID']) && !empty($this->data['groups'][$key]['key'])) {
                    $this->data['groups'][$key]['ID'] = $this->data['groups'][$key]['key'];
                }
            }
        }
        PMXI_Plugin::$session->set('acf_groups', $this->data['groups']);
        PMXI_Plugin::$session->save_data();
        $this->render();
	}

    /**
     * @param $group
     */
    private function addGroup($group) {
        if (!isset($this->data['groups'][$group->post_name])) {
            $this->data['groups'][] = array(
                'ID' => $group->ID,
                'title' => $group->post_title,
                'slug' => $group->post_excerpt
            );
        } else {
            $this->data['groups'][$group->post_name]['ID'] = $group->ID;
        }
    }
}