<?php

/**
 * File: /model/e2pdf-template.php
 *
 * @package  E2Pdf
 * @license  GPLv3
 * @link     https://e2pdf.com
 */
if (!defined('ABSPATH')) {
    die('Access denied.');
}

class Model_E2pdf_Template extends Model_E2pdf_Model {

    private $template = [];
    private $extension;
    private $table;

    public function __construct() {
        global $wpdb;
        parent::__construct();
        $this->table = $wpdb->prefix . 'e2pdf_templates';
    }

    // load
    public function load($template_id, $full = true, $revision_id = 0) {
        global $wpdb;

        $template = false;
        if ($this->helper->get('cache') && !$revision_id) {
            $template = wp_cache_get($template_id, 'e2pdf_templates');
        }

        if ($template === false) {
            $this->helper->load('cache')->pre_objects_cache();
            // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
            $template = $wpdb->get_row($wpdb->prepare('SELECT * FROM `' . $this->get_table() . '` WHERE ID = %d', $template_id), ARRAY_A);
            if ($this->helper->get('cache') && !$revision_id) {
                wp_cache_set($template_id, $template, 'e2pdf_templates');
            }
        }

        if ($revision_id) {
            $revision = new Model_E2pdf_Revision();
            if ($revision->load($template_id, false, $revision_id)) {
                $template = array_replace($template, $revision->template());
            } else {
                $template = [];
            }
        }

        if ($template) {
            $template = apply_filters('e2pdf_load_template', $template, $this);
            $this->template = $template;
            $extension = new Model_E2pdf_Extension();
            if ($this->get('extension')) {
                $extension->load($this->get('extension'));
            }
            if ($this->get('item')) {
                $extension->set('item', $this->get('item'));
                if ($this->get('item') == '-2') {
                    $extension->set('item1', $this->get('item1'));
                    $extension->set('item2', $this->get('item2'));
                }
            }
            if ($this->get('ID')) {
                $extension->set('template_id', $this->get('ID'));
            }
            $extension = apply_filters('e2pdf_load_template_extension', $extension, $this);
            $this->extension = $extension;
            if ($full) {
                $this->set('fonts', $this->helper->load('convert')->unserialize($template['fonts']));
                $this->set('permissions', $this->helper->load('convert')->unserialize($template['permissions']));
                $this->set('properties', $this->helper->load('convert')->unserialize($template['properties']));
                $this->set('actions', $this->helper->load('convert')->unserialize($template['actions']));

                $pages = false;
                if ($this->helper->get('cache') && !$revision_id) {
                    $pages = wp_cache_get($this->get('ID'), 'e2pdf_pages');
                }
                if ($pages === false) {
                    $this->helper->load('cache')->pre_objects_cache();
                    $model_e2pdf_page = new Model_E2pdf_Page();
                    $pages = $model_e2pdf_page->get_pages($this->get('ID'), $revision_id);
                    if ($this->helper->get('cache') && !$revision_id) {
                        wp_cache_set($this->get('ID'), $pages, 'e2pdf_pages');
                    }
                }
                $this->set('pages', $pages);

                $revisions = false;
                if ($this->helper->get('cache')) {
                    $revisions = wp_cache_get($this->get('ID'), 'e2pdf_revisions');
                }

                if ($revisions === false) {
                    $this->helper->load('cache')->pre_objects_cache();
                    $model_e2pdf_revision = new Model_E2pdf_Revision();
                    $revisions = $model_e2pdf_revision->revisions($this->get('ID'));
                    if ($this->helper->get('cache')) {
                        wp_cache_set($this->get('ID'), $revisions, 'e2pdf_revisions');
                    }
                }
                $this->set('revisions', $revisions);
            }
            return true;
        }
        return false;
    }

    // template
    public function template() {
        return $this->template;
    }

    // extension
    public function extension() {
        return $this->extension;
    }

    // set
    public function set($key, $value) {
        switch ($key) {
            case 'format':
                if (in_array($value, ['pdf', 'jpg'], true)) {
                    $this->template[$key] = $value;
                    return true;
                } else {
                    return false;
                }
                break;
            case 'permissions':
                if (!is_array($value)) {
                    $this->template[$key] = ['printing'];
                } else {
                    $this->template[$key] = $value;
                }
                break;
            case 'fonts':
            case 'properties':
            case 'actions':
                if (!is_array($value)) {
                    $this->template[$key] = [];
                } else {
                    $this->template[$key] = $value;
                }
                break;
            default:
                $this->template[$key] = $value;
                break;
        }
        return true;
    }

    // get
    public function get($key, $force = false) {
        if ($force && $this->get('ID')) {
            global $wpdb;
            if ($key == 'activated') {
                // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
                $value = $wpdb->get_var($wpdb->prepare('SELECT `activated` FROM `' . $this->get_table() . '` WHERE ID = %d', $this->get('ID')));
            } elseif ($key == 'uid') {
                // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
                $value = $wpdb->get_var($wpdb->prepare('SELECT `uid` FROM `' . $this->get_table() . '` WHERE ID = %d', $this->get('ID')));
            }
            return $value;
        } elseif (isset($this->template[$key])) {
            if ($key == 'revisions') {
                $value = [
                    '0' => __('Latest', 'e2pdf'),
                ];
                if (is_array($this->template[$key])) {
                    foreach ($this->template[$key] as $revision) {
                        // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
                        $value[$revision['revision_id']] = date('d M Y H:i:s', strtotime($revision['updated_at']));
                    }
                }
            } else {
                $value = $this->template[$key];
            }
            return $value;
        } else {
            switch ($key) {
                case 'title':
                    $value = __('(no title)', 'e2pdf');
                    break;
                case 'width':
                case 'height':
                case 'inline':
                case 'auto':
                case 'trash':
                case 'locked':
                case 'activated':
                case 'revision_id':
                case 'rtl':
                case 'tab_order':
                    $value = '0';
                    break;
                case 'flatten':
                case 'appearance':
                    $value = '1';
                    break;
                case 'compression':
                    $value = '-1';
                    break;
                case 'optimization':
                    $value = '-1';
                    break;
                case 'format':
                    $value = 'pdf';
                    break;
                case 'resample':
                    $value = '100';
                    break;
                case 'text_align':
                    $value = 'left';
                    break;
                case 'permissions':
                    $value = [
                        'printing',
                    ];
                    break;
                case 'fonts':
                case 'properties':
                case 'actions':
                case 'pages':
                case 'revisions':
                    $value = [];
                    break;
                case 'name':
                case 'savename':
                    $value = '[e2pdf-dataset]';
                    break;
                case 'lang_code':
                    $value = 'en-US';
                    break;
                case 'font_processor':
                    $value = get_option('e2pdf_font_processor', '0');
                    break;
                default:
                    $value = '';
                    break;
            }
            return $value;
        }
    }

    // get table
    public function get_table() {
        return $this->table;
    }

    // delete
    public function delete() {
        global $wpdb;
        if ($this->get('ID')) {

            $revision = new Model_E2pdf_Revision();
            foreach ($this->get('revisions') as $revision_id => $revision_name) {
                if ($revision_id != '0') {
                    $revision->load($this->get('ID'), true, $revision_id);
                    $revision->delete();
                }
            }

            if ($this->get('pdf')) {
                $pdf_dir = $this->helper->get('pdf_dir') . $this->get('pdf') . '/';
                $this->helper->delete_dir($pdf_dir);
            }

            $tpl_dir = $this->helper->get('tpl_dir') . $this->get('ID') . '/';
            $this->helper->delete_dir($tpl_dir);

            $where = [
                'ID' => $this->get('ID'),
            ];
            $wpdb->delete($this->get_table(), $where);

            foreach ($this->get('pages') as $page) {
                $model_e2pdf_page = new Model_E2pdf_Page();
                $model_e2pdf_page->load($page['page_id'], $page['template_id']);
                $model_e2pdf_page->delete();
            }

            if ($this->helper->get('cache')) {
                wp_cache_delete($this->get('ID'), 'e2pdf_templates');
                wp_cache_delete($this->get('ID'), 'e2pdf_pages');
                wp_cache_delete($this->get('ID'), 'e2pdf_revisions');
            }

            $translator = $this->helper->load('translator');
            if ($translator) {
                $translator->flush($this->get('ID'));
            }
        }
    }

    // update
    public function update($keys = []) {
        global $wpdb;
        if ($this->get('ID') && !empty($keys)) {
            $show_errors = false;
            if ($wpdb->show_errors) {
                $wpdb->show_errors(false);
                $show_errors = true;
            }
            foreach ($keys as $key) {
                $template[$key] = $this->get($key);
            }
            $where = [
                'ID' => $this->get('ID'),
            ];
            $success = $wpdb->update($this->get_table(), $template, $where);
            if ($success === false) {
                $this->helper->load('db')->db_init($wpdb->prefix);
                $wpdb->update($this->get_table(), $template, $where);
            }
            if ($this->helper->get('cache')) {
                wp_cache_delete($this->get('ID'), 'e2pdf_templates');
            }
            if ($show_errors) {
                $wpdb->show_errors();
            }
        }
    }

    // save
    public function save($rebuild = false) {
        global $wpdb;
        $template = $this->pre_save();
        $show_errors = false;
        if ($wpdb->show_errors) {
            $wpdb->show_errors(false);
            $show_errors = true;
        }

        if ($this->get('ID')) {
            if ($rebuild) {
                $revision = new Model_E2pdf_Revision();
                $revision->revision($this->get('ID'));
                if (isset($template['pdf']) && $template['pdf'] && ($template['pdf'] == $revision->get('pdf') || $this->get('revision_id'))) {
                    $pdf_name = md5(time());
                    $pdf_dir = $this->helper->get('pdf_dir') . $pdf_name . '/';
                    $pdf_images_dir = $pdf_dir . 'images/';

                    $this->helper->create_dir($pdf_dir);
                    $this->helper->create_dir($pdf_images_dir);

                    if (file_exists($this->helper->get('pdf_dir') . $template['pdf'] . '/' . $template['pdf'] . '.pdf')) {
                        $images = glob($this->helper->get('pdf_dir') . $template['pdf'] . '/images/*');
                        foreach ($images as $image) {
                            copy($image, $pdf_images_dir . pathinfo($image, PATHINFO_BASENAME));
                        }
                        copy($this->helper->get('pdf_dir') . $template['pdf'] . '/' . $template['pdf'] . '.pdf', $this->helper->get('pdf_dir') . $pdf_name . '/' . $pdf_name . '.pdf');
                        $template['pdf'] = $pdf_name;
                    }
                }
                $revision->flush();
            }
            $where = [
                'ID' => $this->get('ID'),
            ];
            $success = $wpdb->update($this->get_table(), $template, $where);
            if ($success === false) {
                $this->helper->load('db')->db_init($wpdb->prefix);
                $wpdb->update($this->get_table(), $template, $where);
            }
        } else {
            if ($this->get('TMP_ID')) {
                $template['ID'] = $this->get('TMP_ID');
            }
            $success = $wpdb->insert($this->get_table(), $template);
            if ($success === false) {
                $this->helper->load('db')->db_init($wpdb->prefix);
                $wpdb->insert($this->get_table(), $template);
            }
            $this->set('ID', $wpdb->insert_id);
        }

        if ($show_errors) {
            $wpdb->show_errors();
        }

        if ($this->get('ID') && $rebuild) {

            $translator = $this->helper->load('translator');
            if ($translator) {
                $translator->update_translation($template['title'], $this->get('ID'), 'title', 'template');
                $translator->update_translation($template['dataset_title'], $this->get('ID'), 'dataset_title', 'template');
                $translator->update_translation($template['dataset_title1'], $this->get('ID'), 'dataset_title1', 'template');
                $translator->update_translation($template['dataset_title2'], $this->get('ID'), 'dataset_title2', 'template');
                $translator->update_translation($template['button_title'], $this->get('ID'), 'button_title', 'template');
                $translator->update_translation($template['name'], $this->get('ID'), 'name', 'template');
                $translator->update_translation($template['savename'], $this->get('ID'), 'savename', 'template');
            }

            foreach ($this->get('pages') as $page_key => $page) {
                $new_page = new Model_E2pdf_Page();
                foreach ($page as $page_set_key => $page_set_value) {
                    $new_page->set($page_set_key, $page_set_value);
                }
                if (!isset($page['actions'])) {
                    $page_actions = [];
                } else {
                    $page_actions = $page['actions'];
                }
                $new_page->set('actions', $page_actions);
                $new_page->set('template_id', $this->get('ID'));
                $new_page->set('page_id', $page_key);
                $new_page->save();
                if (!empty($page['elements'])) {
                    foreach ($page['elements'] as $element_key => $element) {
                        $new_element = new Model_E2pdf_Element();
                        foreach ($element as $element_set_key => $element_set_value) {
                            $new_element->set($element_set_key, $element_set_value);
                            if ($translator) {
                                if ($element_set_key == 'value') {
                                    $translator->update_translation($element_set_value, $this->get('ID'), $element['element_id'], $element_set_key);
                                }
                            }
                        }

                        if ($translator) {
                            if (!empty($element['properties']['option'])) {
                                $translator->update_translation($element['properties']['option'], $this->get('ID'), $element['element_id'], 'option');
                            }
                            if (!empty($element['properties']['options'])) {
                                $translator->update_translation($element['properties']['options'], $this->get('ID'), $element['element_id'], 'options');
                            }
                            if (!empty($element['actions'])) {
                                foreach ($element['actions'] as $action_key => $action) {
                                    if ($action['action'] == 'change' && isset($action['property']) && $action['property'] == 'value' && isset($action['change'])) {
                                        $translator->update_translation($action['change'], $this->get('ID'), $element['element_id'], 'value_action_' . $action_key . '_change');
                                    }
                                }
                            }
                        }
                        $new_element->set('properties', isset($element['properties']) ? $element['properties'] : []);
                        $new_element->set('actions', isset($element['actions']) ? $element['actions'] : []);
                        $new_element->set('page_id', $new_page->get('page_id'));
                        $new_element->set('template_id', $this->get('ID'));
                        $new_element->save();
                    }
                }
            }
            if ($translator) {
                $translator->flush($this->get('ID'));
            }
        }

        if ($this->helper->get('cache') && $this->get('ID')) {
            wp_cache_delete($this->get('ID'), 'e2pdf_templates');
            wp_cache_delete($this->get('ID'), 'e2pdf_pages');
            wp_cache_delete($this->get('ID'), 'e2pdf_revisions');
        }

        return $this->get('ID');
    }

    // pre save
    public function load_fonts() {
        $fonts = [];
        $model_e2pdf_font = new Model_E2pdf_Font();
        $all_fonts = $model_e2pdf_font->get_fonts();
        $c_font = array_search($this->get('font'), $all_fonts, true);
        if ($c_font) {
            $fonts[$c_font] = $this->get('font');
        }
        foreach ($this->get('pages') as $key => $page) {
            if (!empty($page['elements'])) {
                foreach ($page['elements'] as $element_key => $element) {
                    $tmp_fonts = $model_e2pdf_font->get_element_fonts($element, $all_fonts);
                    if (!empty($tmp_fonts)) {
                        $fonts = array_merge($fonts, $tmp_fonts);
                    }
                }
            }
        }

        if (isset($this->get('properties')['css']) && $this->get('properties')['css']) {
            $tmp_fonts = $model_e2pdf_font->get_css_fonts($this->get('properties')['css'], $all_fonts);
            if (!empty($tmp_fonts)) {
                $fonts = array_merge($fonts, $tmp_fonts);
            }
        }

        $this->set('fonts', $fonts);
    }

    // pre save
    public function pre_save() {
        $this->load_fonts();
        $template = [
            'uid' => $this->get('uid'),
            'activated' => $this->get('activated'),
            'title' => $this->get('title'),
            'pdf' => $this->get('pdf'),
            'updated_at' => current_time('mysql', 1),
            'flatten' => $this->get('flatten'),
            'tab_order' => $this->get('tab_order'),
            'format' => $this->get('format'),
            'resample' => $this->get('resample'),
            'compression' => $this->get('compression'),
            'optimization' => $this->get('optimization'),
            'appearance' => $this->get('appearance'),
            'width' => $this->get('width'),
            'height' => $this->get('height'),
            'extension' => $this->get('extension'),
            'item' => $this->get('item'),
            'item1' => $this->get('item1'),
            'item2' => $this->get('item2'),
            'dataset_title' => $this->get('dataset_title'),
            'dataset_title1' => $this->get('dataset_title1'),
            'dataset_title2' => $this->get('dataset_title2'),
            'button_title' => $this->get('button_title'),
            'dpdf' => $this->get('dpdf'),
            'inline' => $this->get('inline'),
            'auto' => $this->get('auto'),
            'rtl' => $this->get('rtl'),
            'font_processor' => $this->get('font_processor'),
            'name' => $this->get('name'),
            'savename' => $this->get('savename'),
            'password' => $this->get('password'),
            'owner_password' => $this->get('owner_password'),
            'permissions' => serialize($this->get('permissions')), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
            'hooks' => $this->get('hooks'),
            'meta_title' => $this->get('meta_title'),
            'meta_subject' => $this->get('meta_subject'),
            'meta_author' => $this->get('meta_author'),
            'meta_keywords' => $this->get('meta_keywords'),
            'lang_code' => $this->get('lang_code'),
            'fonts' => serialize($this->get('fonts')), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
            'font' => $this->get('font'),
            'font_size' => $this->get('font_size'),
            'font_color' => $this->get('font_color'),
            'line_height' => $this->get('line_height'),
            'text_align' => $this->get('text_align'),
            'trash' => $this->get('trash'),
            'locked' => $this->get('locked'),
            'author' => get_current_user_id(),
            'properties' => serialize($this->get('properties')), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
            'actions' => serialize($this->get('actions')), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
            'attachments' => $this->get('attachments'),
        ];

        if (!$this->get('ID')) {
            $template['created_at'] = current_time('mysql', 1);
        }

        return $template;
    }

    // fill
    public function fill() {

        add_filter('e2pdf_pdf_fill', [$this->helper, '__return_true'], 999);
        do_action('e2pdf_model_template_fill_pre', $this, $this->extension);

        $action = new Model_E2pdf_Action();
        $action->load($this->extension);
        $pages = $this->get('pages');
        $changed_elements = [];
        foreach ($pages as $key => $value) {
            $changed_elements = array_merge($changed_elements, $action->process_page_id($value));
        }

        $changed_pages = [];
        if (!empty($changed_elements)) {
            foreach ($changed_elements as $element) {
                $changed_pages[$element['page_id']][] = $element;
            }
        }

        foreach ($pages as $page_key => $page) {
            if (isset($changed_pages[$page['page_id']])) {
                $page['elements'] = array_merge($page['elements'], $changed_pages[$page['page_id']]);
            }
            // phpcs:ignore Squiz.PHP.DisallowMultipleAssignments.Found
            $pages[$page_key] = $page = $action->process_actions($page);
            if (isset($page['hidden']) && $page['hidden']) {
                $pages[$page_key]['page_id'] = '0';
                $pages[$page_key]['elements'] = [];
            } else {
                if (!empty($page['elements'])) {
                    $pages[$page_key]['elements'] = $page['elements'];
                    foreach ($page['elements'] as $element_key => $element) {
                        if (isset($element['type'])) {
                            $rendered = isset($element['rendered']) ? $element['rendered'] : false;
                            switch ($element['type']) {
                                case 'e2pdf-checkbox':
                                case 'e2pdf-radio':
                                    if (isset($element['properties']['option'])) {
                                        $element['properties']['option'] = $this->helper->load('translator')->pre_translate($element['properties']['option'], $element['template_id'], $element['element_id'], 'option');
                                    }
                                    $pages[$page_key]['elements'][$element_key]['properties']['option'] = $this->extension()->render(
                                            isset($element['properties']['option']) ? $element['properties']['option'] : ''
                                    );
                                    if (!$rendered) {
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                                $element['value'], $element
                                        );
                                    }
                                    break;
                                case 'e2pdf-select':
                                    if (isset($element['properties']['options'])) {
                                        $element['properties']['options'] = $this->helper->load('translator')->pre_translate($element['properties']['options'], $element['template_id'], $element['element_id'], 'options');
                                    }
                                    $pages[$page_key]['elements'][$element_key]['properties']['options'] = $this->extension()->render(
                                            isset($element['properties']['options']) ? $element['properties']['options'] : ''
                                    );
                                    if (!$rendered) {
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                                $element['value'], $element
                                        );
                                    }
                                    break;
                                case 'e2pdf-html':
                                case 'e2pdf-page-number':
                                    if (!$rendered) {
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->helper->load('filter')->filter_html_tags(
                                                $this->extension()->render(
                                                        $element['value'], $element
                                                )
                                        );
                                    }
                                    break;
                                case 'e2pdf-image':
                                case 'e2pdf-signature':
                                    if (isset($element['properties']['quality']) && $element['properties']['quality']) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedIf
                                    } else {
                                        $element['properties']['quality'] = $this->get('optimization');
                                        $pages[$page_key]['elements'][$element_key]['properties']['quality'] = $this->get('optimization');
                                    }
                                    if (!$rendered) {
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                                $element['value'], $element
                                        );
                                    }
                                    if (!empty($element['properties']['link_url'])) {
                                        $pages[$page_key]['elements'][$element_key]['properties']['link_url'] = $this->extension()->render(
                                                $element['properties']['link_url']
                                        );
                                        if (!empty($pages[$page_key]['elements'][$element_key]['properties']['link_url']) && !empty($element['properties']['link_type']) && $element['properties']['link_type'] == 'attachment') {
                                            $source = $this->helper->load('attachments')->get_file(trim($pages[$page_key]['elements'][$element_key]['properties']['link_url']), $this->extension);
                                            if ($source) {
                                                $pages[$page_key]['elements'][$element_key]['attachment']['value'] = $source;
                                                $pages[$page_key]['elements'][$element_key]['attachment']['name'] = $this->helper->load('attachments')->get_attachment_name($pages[$page_key]['elements'][$element_key]['properties']['link_url'], $this->extension, $element['value']);
                                                $pages[$page_key]['elements'][$element_key]['attachment']['description'] = $this->helper->load('attachments')->get_attachment_description($pages[$page_key]['elements'][$element_key]['properties']['link_url'], $this->extension, $element['value']);
                                            }
                                        }
                                    }
                                    break;
                                case 'e2pdf-link':
                                    $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                            $element['value'], $element
                                    );
                                    $pages[$page_key]['elements'][$element_key]['properties']['link_label'] = $this->extension()->render(
                                            !empty($element['properties']['link_label']) ? $element['properties']['link_label'] : ''
                                    );
                                    if (!empty($pages[$page_key]['elements'][$element_key]['value']) && !empty($element['properties']['link_type']) && $element['properties']['link_type'] == 'attachment') {
                                        $source = $this->helper->load('attachments')->get_file(trim($pages[$page_key]['elements'][$element_key]['value']), $this->extension);
                                        if ($source) {
                                            $pages[$page_key]['elements'][$element_key]['attachment']['value'] = $source;
                                            $pages[$page_key]['elements'][$element_key]['attachment']['name'] = $this->helper->load('attachments')->get_attachment_name($pages[$page_key]['elements'][$element_key]['value'], $this->extension, $element['value']);
                                            $pages[$page_key]['elements'][$element_key]['attachment']['description'] = $this->helper->load('attachments')->get_attachment_description($pages[$page_key]['elements'][$element_key]['value'], $this->extension, $element['value']);
                                        }
                                    }
                                    break;
                                case 'e2pdf-graph':
                                    if (!$rendered) {
                                        $chart = 0 === strpos($element['value'], '[frm-graph');
                                        if ($chart) {
                                            $element['properties']['chart'] = '1';
                                            $pages[$page_key]['elements'][$element_key]['properties']['chart'] = '1';
                                        }
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                                $element['value'], $element
                                        );
                                        if ($chart) {
                                            $data = $this->helper->load('convert')->unserialize($pages[$page_key]['elements'][$element_key]['value']);
                                            $pages[$page_key]['elements'][$element_key]['value'] = is_array($data) ? json_encode($data) : '';
                                        }
                                    }
                                    break;
                                default:
                                    if (!$rendered) {
                                        $element['value'] = $this->helper->load('translator')->pre_translate($element['value'], $element['template_id'], $element['element_id'], 'value');
                                        $pages[$page_key]['elements'][$element_key]['value'] = $this->extension()->render(
                                                $element['value'], $element
                                        );
                                    }
                                    break;
                            }
                        }
                    }
                }
            }
        }
        $this->set('pages', $pages);

        do_action('e2pdf_model_template_fill_after', $this, $this->extension);
        remove_filter('e2pdf_pdf_fill', [$this->helper, '__return_true'], 999);
    }

    // pre render
    public function pre_render() {
        $pages = $this->get('pages');
        foreach ($pages as $key => $page) {
            $page = (array) $page;
            $pages[$key] = $page;
            if (!empty($page['elements'])) {
                foreach ($page['elements'] as $element_key => $element) {
                    $element = (array) $element;
                    $pages[$key]['elements'][$element_key] = $element;
                    if ($element['type'] == 'e2pdf-qrcode' || $element['type'] == 'e2pdf-barcode' || $element['type'] == 'e2pdf-graph') {
                        $pages[$key]['elements'][$element_key]['type'] = 'e2pdf-image';
                    } elseif ($element['type'] == 'e2pdf-html') {
                        if (!empty($element['properties']['css_style'])) {
                            $pages[$key]['elements'][$element_key]['properties']['css'] = $this->helper->load('properties')->css_style(
                                    isset($element['properties']['css']) ? $element['properties']['css'] : '', $element['properties']['css_style']
                            );
                        }
                    }
                }
            }
            $this->helper->load('sort')->uasort($pages[$key]['elements'], 'sort_by_elementid');
            $this->helper->load('sort')->stable_uasort($pages[$key]['elements'], 'sort_by_zindex');
        }
        return $pages;
    }

    // render
    public function render($type = false) {

        $model_e2pdf_api = new Model_E2pdf_Api();
        $model_e2pdf_font = new Model_E2pdf_Font();

        $fonts = [];
        if (get_option('e2pdf_cache_fonts', '1') && $type != 'php') {
            $cached_fonts = get_option('e2pdf_cached_fonts', []);
            if ($this->get('fonts')) {
                $uncached_fonts = [];
                foreach ($this->get('fonts') as $key => $value) {
                    $md5 = $model_e2pdf_font->get_font($key, true);
                    if ($md5 && in_array($md5, $cached_fonts, true)) {
                        $fonts[] = [
                            'name' => $value,
                            'md5' => $md5,
                            'cache' => true,
                        ];
                    } else {
                        $uncached_fonts[] = $md5;
                        $fonts[] = [
                            'name' => $value,
                            'value' => $model_e2pdf_font->get_font($key),
                            'cache' => true,
                        ];
                    }
                }
                if (!empty($uncached_fonts)) {
                    $model_e2pdf_api->set(
                            [
                                'action' => 'cache/fonts',
                                'data' => [
                                    'fonts' => $uncached_fonts,
                                ],
                            ]
                    );
                    $request = $model_e2pdf_api->request();
                    if (isset($request['fonts']) && is_array($request['fonts'])) {
                        $cached_fonts = array_merge($cached_fonts, $request['fonts']);
                    }
                    update_option('e2pdf_cached_fonts', $cached_fonts);
                }
            }
        } else {
            if ($this->get('fonts')) {
                foreach ($this->get('fonts') as $key => $value) {
                    $fonts[] = [
                        'name' => $value,
                        'value' => $model_e2pdf_font->get_font($key),
                    ];
                }
            }
        }

        $pages = $this->pre_render();

        $settings = [
            'uid' => $this->get('uid'),
            'activated' => $this->get('activated'),
            'title' => $this->get_name(),
            'flatten' => $this->get('flatten'),
            'tab_order' => $this->get('tab_order'),
            'format' => $this->get('format'),
            'resample' => $this->get('resample'),
            'compression' => $this->get('compression'),
            'appearance' => $this->get('appearance'),
            'password' => $this->get('password'),
            'owner_password' => $this->get('owner_password'),
            'permissions' => $this->get('permissions'),
            'meta_title' => $this->get('meta_title'),
            'meta_subject' => $this->get('meta_subject'),
            'meta_author' => $this->get('meta_author'),
            'meta_keywords' => $this->get('meta_keywords'),
            'lang_code' => $this->get('lang_code'),
            'css' => isset($this->get('properties')['css']) ? $this->get('properties')['css'] : '',
            'font' => $this->get('font'),
            'font_size' => $this->get('font_size'),
            'font_color' => $this->get('font_color'),
            'line_height' => $this->get('line_height'),
            'text_align' => $this->get('text_align'),
            'rtl' => $this->get('rtl'),
            'font_processor' => apply_filters('e2pdf_font_processor', $this->get('font_processor'), $this->get('ID')),
            'created_at' => $this->get('created_at'),
            'updated_at' => $this->get('updated_at'),
        ];

        if ($this->get('dpdf')) {
            $dpdf = $this->helper->load('pdf')->get_pdf($this->get('dpdf'));
            if ($dpdf) {
                $settings['pdf'] = $dpdf;
                $settings['dpdf'] = '1';
            }
        } elseif ($this->get('pdf')) {
            $pdf = $this->helper->get('pdf_dir') . $this->get('pdf') . '/' . $this->get('pdf') . '.pdf';
            if (file_exists($pdf)) {
                // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode, WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
                $settings['pdf'] = base64_encode(file_get_contents($pdf));
            }
        }

        $data = [
            'settings' => $settings,
            'pages' => $pages,
            'fonts' => $fonts,
            'attachments' => $this->helper->load('attachments')->get_attachments($this->get('attachments'), $this->extension),
        ];

        if ($type == 'php') {
            $model_e2pdf_convert = new Model_E2pdf_Convert();
            $file = '<?php' . PHP_EOL;
            $file .= 'function e2pdf_template() {' . PHP_EOL;
            $file .= '$template = [' . PHP_EOL;
            $file .= $model_e2pdf_convert->toPHP($data);
            $file .= '];' . PHP_EOL;
            $file .= 'return $template;' . PHP_EOL;
            $file .= '}';
            if ($file) {
                $response['file'] = $file;
            } else {
                $response['error'] = __('Something went wrong!', 'e2pdf');
            }
            return $response;
        }

        // phpcs:ignore WordPress.WP.AlternativeFunctions.json_encode_json_encode
        $cached_pdf = md5(json_encode($data));
        $request = $this->helper->load('cache')->get_cached_pdf($cached_pdf);
        if (empty($request['file'])) {
            $model_e2pdf_api->set(
                    [
                        'action' => 'template/build',
                        'data' => $data,
                    ]
            );
            $request = $model_e2pdf_api->request();
        }

        if (isset($request['error']) && $request['error'] == 'cache_error') {
            update_option('e2pdf_cached_fonts', []);
            $fonts = [];
            if ($this->get('fonts')) {
                foreach ($this->get('fonts') as $key => $value) {
                    $fonts[] = [
                        'name' => $value,
                        'value' => $model_e2pdf_font->get_font($key),
                    ];
                }
            }
            $data = [
                'settings' => $settings,
                'pages' => $pages,
                'fonts' => $fonts,
            ];
            // phpcs:ignore WordPress.WP.AlternativeFunctions.json_encode_json_encode
            $cached_pdf = md5(json_encode($data));
            $request = $this->helper->load('cache')->get_cached_pdf($cached_pdf);
            if (empty($request['file'])) {
                $model_e2pdf_api->set(
                        [
                            'action' => 'template/build',
                            'data' => $data,
                        ]
                );
                $request = $model_e2pdf_api->request();
            }
        }
        $this->helper->load('cache')->cache_pdf($cached_pdf, $request);
        return $request;
    }

    public function get_name() {
        $name = __('(no title)', 'e2pdf');
        if ($this->get('name')) {
            $name = $this->get('name');
        } elseif ($this->get('title')) {
            $name = $this->get('title');
        }
        return $name;
    }

    public function flush() {
        if ($this->get('ID')) {
            $model_e2pdf_page = new Model_E2pdf_Page();
            $pages = $model_e2pdf_page->get_pages($this->get('ID'));
            foreach ($pages as $page) {
                $new_page = new Model_E2pdf_Page();
                $new_page->load($page['page_id'], $page['template_id']);
                $new_page->delete();
            }
        }
    }

    public function activate() {
        if ($this->get('ID')) {
            if ($this->get('activated', true)) {
                $request = [
                    'template_id' => $this->get('ID'),
                    'template_uid' => $this->get('uid'),
                ];
            } else {
                $model_e2pdf_api = new Model_E2pdf_Api();
                $model_e2pdf_api->set(
                        [
                            'action' => 'template/activate',
                            'data' => [
                                'template_id' => $this->get('ID'),
                                'template_uid' => $this->get('uid'),
                                'template_title' => $this->get('title'),
                                'template_extension' => $this->get('extension'),
                            ],
                        ]
                );
                $request = $model_e2pdf_api->request();
                if (!isset($request['error'])) {
                    $this->set('activated', '1');
                    $this->set('uid', $request['template_uid']);
                    $this->update(['activated', 'uid']);
                } else {
                    $this->set('activated', '0');
                    $this->update(['activated']);
                }
                if ($this->helper->get('cache')) {
                    wp_cache_delete($this->get('ID'), 'e2pdf_templates');
                }
            }
        } else {
            $request = [
                'error' => __('Something went wrong!', 'e2pdf'),
            ];
        }
        return $request;
    }

    public function deactivate() {
        if ($this->get('ID')) {
            if (!$this->get('activated', true)) {
                $request = [
                    'success' => __('Template Deactivated', 'e2pdf'),
                ];
            } else {
                $model_e2pdf_api = new Model_E2pdf_Api();
                $model_e2pdf_api->set(
                        [
                            'action' => 'template/deactivate',
                            'data' => [
                                'template_id' => $this->get('ID'),
                                'template_uid' => $this->get('uid'),
                            ],
                        ]
                );
                $request = $model_e2pdf_api->request();
                if (!isset($request['error'])) {
                    $this->set('activated', '0');
                    $this->update(['activated']);
                }
                if ($this->helper->get('cache')) {
                    wp_cache_delete($this->get('ID'), 'e2pdf_templates');
                }
            }
        } else {
            $request = [
                'error' => __('Something went wrong!', 'e2pdf'),
            ];
        }
        return $request;
    }

    public function patch($key, $value = false, $entry = null, $filter = false) {
        if ($value !== false) {
            $this->set($key, $filter ? $this->extension()->convert_shortcodes($value, true) : $this->extension()->render($value));
            if ($entry) {
                $entry->set_data($key, $this->get($key));
            }
        } else {
            switch ($key) {
                case 'meta_title':
                case 'meta_subject':
                case 'meta_author':
                case 'meta_keywords':
                    $value = $this->extension()->render(
                            $this->helper->load('translator')->pre_translate(
                                    $this->get($key), $this->get('ID'), $key, 'template'
                            )
                    );
                    $this->set($key, $value);
                    break;
                case 'name':
                    if ($this->get('name')) {
                        $value = $this->extension()->render(
                                $this->helper->load('translator')->pre_translate(
                                        $this->get('name'), $this->get('ID'), 'name', 'template'
                                )
                        );
                    }
                    if (!trim($value) && $this->get('title')) {
                        $value = $this->extension()->render(
                                $this->helper->load('translator')->pre_translate(
                                        $this->get('title'), $this->get('ID'), 'title', 'template'
                                )
                        );
                    }
                    if (!trim($value)) {
                        $value = __('(no title)', 'e2pdf');
                    }
                    $this->set($key, $value);
                    break;
                case 'savename':
                    if ($this->get('savename')) {
                        $value = $this->extension()->render(
                                $this->helper->load('translator')->pre_translate(
                                        $this->get('savename'), $this->get('ID'), 'savename', 'template'
                                )
                        );
                    }
                    if (!trim($value)) {
                        $value = $this->get('name');
                    }
                    $this->set($key, $value);
                    break;
                default:
                    $this->set($key, $this->extension()->render($this->get($key)));
                    break;
            }
        }
    }
}