Bookshelf/Old/bd-bookshelfhelper/inc/class-admin.php

<?php
/**
 * Admin Class
 */

if (!defined('ABSPATH')) {
    exit;
}

class BD_BookShelfHelper_Admin {
    private static $instance = null;

    public static function instance() {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    private function __construct() {
        add_action('admin_menu', array($this, 'add_menu_pages'));
        add_action('admin_enqueue_scripts', array($this, 'enqueue_assets'));
        add_action('add_meta_boxes', array($this, 'add_meta_boxes'));
        add_action('save_post', array($this, 'save_meta_boxes'));
        add_action('wp_ajax_bdm_update_links', array($this, 'ajax_update_links'));
    }

    public function add_menu_pages() {
        add_menu_page(
            __('BD BookHelper', 'bd-bookshelfhelper'),
            __('BD BookHelper', 'bd-bookshelfhelper'),
            'manage_options',
            'bd-bookshelf',
            '',
            'dashicons-book',
            30
        );

        add_submenu_page(
            'bd-bookshelf',
            __('Books', 'bd-bookshelfhelper'),
            __('All Books', 'bd-bookshelfhelper'),
            'manage_options',
            'edit.php?post_type=book'
        );

        add_submenu_page(
            'bd-bookshelf',
            __('Add Book', 'bd-bookshelfhelper'),
            __('Add Book', 'bd-bookshelfhelper'),
            'manage_options',
            'post-new.php?post_type=book'
        );

        add_submenu_page(
            'bd-bookshelf',
            __('Series', 'bd-bookshelfhelper'),
            __('Series', 'bd-bookshelfhelper'),
            'manage_options',
            'edit-tags.php?taxonomy=series&post_type=book'
        );

        add_submenu_page(
            'bd-bookshelf',
            __('Pen Names', 'bd-bookshelfhelper'),
            __('Pen Names', 'bd-bookshelfhelper'),
            'manage_options',
            'bd-bookshelf-pen-names',
            array($this, 'pen_names_page')
        );

        add_submenu_page(
            'bd-bookshelf',
            __('Settings', 'bd-bookshelfhelper'),
            __('Settings', 'bd-bookshelfhelper'),
            'manage_options',
            'bd-bookshelf-settings',
            array($this, 'settings_page')
        );
    }

    public function enqueue_assets($hook) {
        $screen = get_current_screen();
        
        if ($screen->post_type === 'book' || $screen->taxonomy === 'series') {
            wp_enqueue_media();
        }
    }

    public function add_meta_boxes() {
        add_meta_box('bd_book_details', __('Book Details', array($this, 'book_details_meta_box'), 'book', 'normal', 'high');
        add_meta_box('bd_book_seo', __('SEO Settings', array($this, 'book_seo_meta_box'), 'book', 'side', 'low');
    }

    public function book_details_meta_box($post) {
        $languages = BD_BookShelfHelper::get_supported_languages();
        
        wp_nonce_field('bd_book_meta', 'bd_book_nonce');
        
        echo '<div class="bd-book-meta-box">';
        
        echo '<h3>' . esc_html__('Core Fields', 'bd-bookshelfhelper') . '</h3>';
        
        echo '<p><label>' . esc_html__('Pen Name', 'bd-bookshelfhelper') . '</label>';
        echo '<select name="pen_name_id">';
        echo '<option value="">' . esc_html__('B.D. Murphy', 'bd-bookshelfhelper') . '</option>';
        
        global $wpdb;
        $table_name = $wpdb->prefix . 'bd_pen_names';
        $pen_names = $wpdb->get_results("SELECT id, pen_name FROM {$table_name} WHERE active = 1 ORDER BY pen_name");
        
        $pen_name_id = get_post_meta($post->ID, 'pen_name_id', true);
        
        if ($pen_names) {
            foreach ($pen_names as $pn) {
                echo '<option value="' . esc_attr($pn->id) . '"' . selected($pen_name_id, $pn->id, false) . '>' . esc_html($pn->pen_name) . '</option>';
            }
        }
        echo '</select></p>';
        
        echo '<p><label>' . esc_html__('ASIN (Amazon)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="asin" value="' . esc_attr(get_post_meta($post->ID, 'asin', true)) . '" class="regular-text"></p>';
        
        echo '<p><label>' . esc_html__('ISBN-13 (Print)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="isbn" value="' . esc_attr(get_post_meta($post->ID, 'isbn', true)) . '" class="regular-text"></p>';
        
        echo '<p><label>' . esc_html__('Short Link Slug', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="short_link_slug" value="' . esc_attr(get_post_meta($post->ID, 'short_link_slug', true)) . '" class="regular-text">';
        echo '<p class="description">' . esc_html__('Auto-generated if empty', 'bd-bookshelfhelper') . '</p></p>';
        
        $series_terms = get_terms(array('taxonomy' => 'series', 'hide_empty' => false));
        
        if ($series_terms) {
            echo '<p><label>' . esc_html__('Series', 'bd-bookshelfhelper') . '</label>';
            echo '<select name="series_id">';
            echo '<option value="">' . esc_html__('None / Standalone', 'bd-bookshelfhelper') . '</option>';
            
            $current_series = get_the_terms($post->ID, 'series');
            $current_series_id = $current_series && !is_wp_error($current_series) ? $current_series[0]->term_id : 0;
            
            foreach ($series_terms as $term) {
                echo '<option value="' . esc_attr($term->term_id) . '"' . selected($current_series_id, $term->term_id, false) . '>' . esc_html($term->name) . '</option>';
            }
            echo '</select></p>';
            
            if ($current_series_id) {
                echo '<p><label>' . esc_html__('Volume Number', 'bd-bookshelfhelper') . '</label>';
                echo '<input type="number" name="volume_number" value="' . esc_attr(get_post_meta($post->ID, 'volume_number', true)) . '" min="1"></p>';
            }
        }
        
        echo '<h3>' . esc_html__('Language Content', 'bd-bookshelfhelper') . '</h3>';
        
        foreach ($languages as $code => $name) {
            echo '<fieldset class="bd-lang-fieldset">';
            echo '<legend>' . esc_html($name) . ' (' . strtoupper($code) . ')</legend>';
            
            echo '<p><label>' . esc_html__('Title', 'bd-bookshelfhelper') . '</label>';
            echo '<input type="text" name="title_' . esc_attr($code) . '" value="' . esc_attr(get_post_meta($post->ID, 'title_' . $code, true)) . '" class="large-text"></p>';
            
            echo '<p><label>' . esc_html__('Back Cover Blurb', 'bd-bookshelfhelper') . '</label>';
            echo '<textarea name="blurb_' . esc_attr($code) . '" rows="4" class="large-text">' . esc_textarea(get_post_meta($post->ID, 'blurb_' . $code, true)) . '</textarea></p>';
            
            echo '<p><label>' . esc_html__('Preview Excerpt', 'bd-bookshelfhelper') . '</label>';
            echo '<textarea name="preview_excerpt_' . esc_attr($code) . '" rows="3" class="large-text">' . esc_textarea(get_post_meta($post->ID, 'preview_excerpt_' . $code, true)) . '</textarea></p>';
            
            echo '<p><label>' . esc_html__('Pull Quotes', 'bd-bookshelfhelper') . ' (1-5)</label>';
            for ($i = 1; $i <= 5; $i++) {
                echo '<input type="text" name="pull_quote_' . esc_attr($code) . '_' . $i . '" value="' . esc_attr(get_post_meta($post->ID, 'pull_quote_' . $code . '_' . $i, true)) . '" class="large-text" placeholder="' . esc_attr__('Quote ' . $i, 'bd-bookshelfhelper') . '">';
            }
            echo '</p>';
            
            echo '<p><label>' . esc_html__('Cover Image', 'bd-bookshelfhelper') . '</label>';
            $cover_id = get_post_meta($post->ID, 'cover_' . $code, true);
            echo '<input type="hidden" name="cover_' . esc_attr($code) . '" value="' . esc_attr($cover_id) . '">';
            echo '<button class="button bd-cover-upload" data-target="cover_' . esc_attr($code) . '">' . esc_html__('Upload Cover', 'bd-bookshelfhelper') . '</button>';
            if ($cover_id) {
                echo wp_get_attachment_image($cover_id, 'thumbnail');
            }
            echo '</p>';
            
            echo '</fieldset>';
        }
        
        echo '<h3>' . esc_html__('Retailer Links', 'bd-bookshelfhelper') . '</h3>';
        
        echo '<p><label>' . esc_html__('Amazon (Ebook)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="ebook_url_amazon" value="' . esc_attr(get_post_meta($post->ID, 'ebook_url_amazon', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Apple Books', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="ebook_url_apple" value="' . esc_attr(get_post_meta($post->ID, 'ebook_url_apple', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Google Play', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="ebook_url_google" value="' . esc_attr(get_post_meta($post->ID, 'ebook_url_google', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Barnes & Noble (Ebook)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="ebook_url_barnes" value="' . esc_attr(get_post_meta($post->ID, 'ebook_url_barnes', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Kobo', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="ebook_url_kobo" value="' . esc_attr(get_post_meta($post->ID, 'ebook_url_kobo', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Barnes & Noble (Paperback)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="paperback_url_barnes" value="' . esc_attr(get_post_meta($post->ID, 'paperback_url_barnes', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('Barnes & Noble (Hardback)', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="url" name="hardback_url_barnes" value="' . esc_attr(get_post_meta($post->ID, 'hardback_url_barnes', true)) . '" class="large-text"></p>';
        
        echo '<h3>' . esc_html__('Ratings', 'bd-bookshelfhelper') . '</h3>';
        
        echo '<p><label>' . esc_html__('Amazon Rating', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="amazon_rating" value="' . esc_attr(get_post_meta($post->ID, 'amazon_rating', true)) . '" placeholder="4.5"></p>';
        
        echo '<p><label>' . esc_html__('Goodreads Rating', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="goodreads_rating" value="' . esc_attr(get_post_meta($post->ID, 'goodreads_rating', true)) . '" placeholder="4.2"></p>';
        
        echo '</div>';
    }

    public function book_seo_meta_box($post) {
        echo '<p><label>' . esc_html__('SEO Title', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="seo_title" value="' . esc_attr(get_post_meta($post->ID, 'seo_title', true)) . '" class="large-text"></p>';
        
        echo '<p><label>' . esc_html__('SEO Description', 'bd-bookshelfhelper') . '</label>';
        echo '<textarea name="seo_description" rows="4" class="large-text">' . esc_textarea(get_post_meta($post->ID, 'seo_description', true)) . '</textarea></p>';
    }

    public function save_meta_boxes($post_id) {
        if (!isset($_POST['bd_book_nonce']) || !wp_verify_nonce($_POST['bd_book_nonce'], 'bd_book_meta')) {
            return $post_id;
        }
        
        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
            return $post_id;
        }
        
        if (!current_user_can('edit_post', $post_id)) {
            return $post_id;
        }
        
        $fields = array(
            'pen_name_id', 'asin', 'isbn', 'short_link_slug', 'volume_number',
            'amazon_rating', 'goodreads_rating', 'seo_title', 'seo_description'
        );
        
        foreach ($fields as $field) {
            if (isset($_POST[$field])) {
                update_post_meta($post_id, $field, sanitize_text_field($_POST[$field]));
            }
        }
        
        $languages = BD_BookShelfHelper::get_supported_languages();
        
        foreach ($languages as $code => $name) {
            $title_key = 'title_' . $code;
            $blurb_key = 'blurb_' . $code;
            $preview_key = 'preview_excerpt_' . $code;
            $cover_key = 'cover_' . $code;
            
            if (isset($_POST[$title_key])) {
                update_post_meta($post_id, $title_key, sanitize_text_field($_POST[$title_key]));
            }
            if (isset($_POST[$blurb_key])) {
                update_post_meta($post_id, $blurb_key, sanitize_textarea_field($_POST[$blurb_key]));
            }
            if (isset($_POST[$preview_key])) {
                update_post_meta($post_id, $preview_key, sanitize_textarea_field($_POST[$preview_key]));
            }
            if (isset($_POST[$cover_key])) {
                update_post_meta($post_id, $cover_key, absint($_POST[$cover_key]));
            }
            
            for ($i = 1; $i <= 5; $i++) {
                $quote_key = 'pull_quote_' . $code . '_' . $i;
                if (isset($_POST[$quote_key])) {
                    update_post_meta($post_id, $quote_key, sanitize_text_field($_POST[$quote_key]));
                }
            }
        }
        
        $retailer_fields = array(
            'ebook_url_amazon', 'ebook_url_apple', 'ebook_url_google',
            'ebook_url_barnes', 'ebook_url_kobo',
            'paperback_url_barnes', 'hardback_url_barnes'
        );
        
        foreach ($retailer_fields as $field) {
            if (isset($_POST[$field])) {
                update_post_meta($post_id, $field, esc_url_raw($_POST[$field]));
            }
        }
        
        if (isset($_POST['series_id'])) {
            $series_id = absint($_POST['series_id']);
            if ($series_id > 0) {
                wp_set_post_terms($post_id, array($series_id), 'series');
            } else {
                wp_set_post_terms($post_id, array(), 'series');
            }
        }
        
        if (empty($_POST['short_link_slug'])) {
            $title = get_the_title($post_id);
            $slug = $this->generate_short_slug($title);
            update_post_meta($post_id, 'short_link_slug', $slug);
        }
    }

    public function generate_short_slug($title) {
        $title = preg_replace('/[^a-zA-Z0-9\s]/', '', $title);
        $words = explode(' ', $title);
        $stop_words = array('the', 'a', 'an', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for');
        
        $significant_words = array_filter($words, function($word) use ($stop_words) {
            return !in_array(strtolower($word), $stop_words) && strlen($word) > 2;
        });
        
        $slug = '';
        foreach ($significant_words as $word) {
            $slug .= strtolower(substr($word, 0, 1));
        }
        
        if (strlen($slug) < 2) {
            $slug = substr(implode('', $significant_words), 0, 4);
        }
        
        global $wpdb;
        $original_slug = $slug;
        $counter = 0;
        
        while (true) {
            $exists = $wpdb->get_var($wpdb->prepare(
                "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = 'short_link_slug' AND meta_value = %s",
                $slug
            ));
            
            if (!$exists) {
                break;
            }
            
            $counter++;
            $slug = $original_slug . $counter;
        }
        
        return $slug;
    }

    public function pen_names_page() {
        global $wpdb;
        $table_name = $wpdb->prefix . 'bd_pen_names';
        
        if (isset($_POST['bd_add_pen_name']) && check_admin_referer('bd_add_pen_name')) {
            $pen_name = sanitize_text_field($_POST['new_pen_name']);
            $notes = sanitize_textarea_field($_POST['new_notes']);
            
            if ($pen_name) {
                $wpdb->insert($table_name, array(
                    'pen_name' => $pen_name,
                    'notes' => $notes,
                    'active' => 1,
                    'created_at' => current_time('mysql'),
                ));
                echo '<div class="updated"><p>' . esc_html__('Pen name added.', 'bd-bookshelfhelper') . '</p></div>';
            }
        }
        
        if (isset($_POST['bd_update_pen_status'])) {
            $id = absint($_POST['pen_name_id']);
            $active = isset($_POST['pen_active']) ? 1 : 0;
            
            $wpdb->update($table_name, array('active' => $active), array('id' => $id));
        }
        
        if (isset($_POST['bd_delete_pen_name'])) {
            $id = absint($_POST['pen_name_id']);
            $wpdb->delete($table_name, array('id' => $id));
        }
        
        $pen_names = $wpdb->get_results("SELECT * FROM {$table_name} ORDER BY pen_name");
        
        echo '<div class="wrap">';
        echo '<h1>' . esc_html__('Pen Names', 'bd-bookshelfhelper') . '</h1>';
        
        echo '<form method="post">';
        wp_nonce_field('bd_add_pen_name');
        echo '<table class="form-table">';
        echo '<tr><th>' . esc_html__('Add New Pen Name', 'bd-bookshelfhelper') . '</th>';
        echo '<td><input type="text" name="new_pen_name" class="regular-text" required>';
        echo '<p class="description">' . esc_html__('e.g., J.K. Murphy', 'bd-bookshelfhelper') . '</p></td></tr>';
        echo '<tr><th>' . esc_html__('Notes', 'bd-bookshelfhelper') . '</th>';
        echo '<td><textarea name="new_notes" rows="3" class="regular-text"></textarea></td></tr>';
        echo '</table>';
        submit_button(__('Add Pen Name', 'bd-bookshelfhelper'), 'primary', 'bd_add_pen_name');
        echo '</form>';
        
        echo '<h2>' . esc_html__('Existing Pen Names', 'bd-bookshelfhelper') . '</h2>';
        echo '<table class="widefat">';
        echo '<thead><tr><th>ID</th><th>Pen Name</th><th>Notes</th><th>Status</th><th>Actions</th></tr></thead>';
        echo '<tbody>';
        
        if ($pen_names) {
            foreach ($pen_names as $pn) {
                echo '<tr>';
                echo '<td>' . esc_html($pn->id) . '</td>';
                echo '<td>' . esc_html($pn->pen_name) . '</td>';
                echo '<td>' . esc_html($pn->notes) . '</td>';
                echo '<td>' . ($pn->active ? esc_html__('Active', 'bd-bookshelfhelper') : esc_html__('Inactive', 'bd-bookshelfhelper')) . '</td>';
                echo '<td>';
                echo '<form method="post" style="display:inline;">';
                wp_nonce_field('bd_update_pen_status');
                echo '<input type="hidden" name="pen_name_id" value="' . esc_attr($pn->id) . '">';
                echo '<input type="checkbox" name="pen_active" value="1"' . checked($pn->active, 1, false) . '>';
                submit_button(__('Update', 'bd-bookshelfhelper'), 'secondary', 'bd_update_pen_status', false);
                echo '</form> ';
                echo '<form method="post" style="display:inline;">';
                wp_nonce_field('bd_delete_pen_name');
                echo '<input type="hidden" name="pen_name_id" value="' . esc_attr($pn->id) . '">';
                submit_button(__('Delete', 'bd-bookshelfhelper'), 'delete', 'bd_delete_pen_name', false, array('onclick' => 'return confirm("Delete this pen name?");'));
                echo '</form>';
                echo '</td>';
                echo '</tr>';
            }
        }
        
        echo '</tbody></table></div>';
    }

    public function settings_page() {
        if (isset($_POST['bd_save_settings'])) {
            $affiliates = array(
                'amazon' => sanitize_text_field($_POST['affiliate_amazon']),
                'apple' => sanitize_text_field($_POST['affiliate_apple']),
                'barnes' => sanitize_text_field($_POST['affiliate_barnes']),
                'kobo' => sanitize_text_field($_POST['affiliate_kobo']),
                'google' => sanitize_text_field($_POST['affiliate_google']),
            );
            update_option('bdm_affiliate_codes', $affiliates);
            
            $goodreads_id = sanitize_text_field($_POST['goodreads_author_id']);
            update_option('bdm_goodreads_author_id', $goodreads_id);
            
            echo '<div class="updated"><p>' . esc_html__('Settings saved.', 'bd-bookshelfhelper') . '</p></div>';
        }
        
        $affiliates = get_option('bdm_affiliate_codes', array());
        $goodreads_id = get_option('bdm_goodreads_author_id', '30469651');
        
        echo '<div class="wrap">';
        echo '<h1>' . esc_html__('BD BookHelper Settings', 'bd-bookshelfhelper') . '</h1>';
        
        echo '<form method="post">';
        echo '<h2>' . esc_html__('Affiliate Codes', 'bd-bookshelfhelper') . '</h2>';
        echo '<p>' . esc_html__('Enter your affiliate IDs for each retailer. Links include these IDs when available.', 'bd-bookshelfhelper') . '</p>';
        
        echo '<table class="form-table">';
        echo '<tr><th>Amazon</th><td><input type="text" name="affiliate_amazon" value="' . esc_attr(isset($affiliates['amazon']) ? $affiliates['amazon'] : '') . '" class="regular-text"></td></tr>';
        echo '<tr><th>Apple Books</th><td><input type="text" name="affiliate_apple" value="' . esc_attr(isset($affiliates['apple']) ? $affiliates['apple'] : '') . '" class="regular-text"></td></tr>';
        echo '<tr><th>Barnes & Noble</th><td><input type="text" name="affiliate_barnes" value="' . esc_attr(isset($affiliates['barnes']) ? $affiliates['barnes'] : '') . '" class="regular-text"></td></tr>';
        echo '<tr><th>Kobo</th><td><input type="text" name="affiliate_kobo" value="' . esc_attr(isset($affiliates['kobo']) ? $affiliates['kobo'] : '') . '" class="regular-text"></td></tr>';
        echo '<tr><th>Google Play</th><td><input type="text" name="affiliate_google" value="' . esc_attr(isset($affiliates['google']) ? $affiliates['google'] : '') . '" class="regular-text"></td></tr>';
        echo '</table>';
        
        echo '<h2>' . esc_html__('Goodreads Integration', 'bd-bookshelfhelper') . '</h2>';
        echo '<p><label>' . esc_html__('Goodreads Author ID', 'bd-bookshelfhelper') . '</label>';
        echo '<input type="text" name="goodreads_author_id" value="' . esc_attr($goodreads_id) . '" class="regular-text">';
        echo '<p class="description">' . esc_html__('Default: 30469651 (B_D_Murphy)', 'bd-bookshelfhelper') . '</p></p>';
        
        submit_button(__('Save Settings', 'bd-bookshelfhelper'), 'primary', 'bd_save_settings');
        echo '</form></div>';
    }

    public function ajax_update_links() {
        check_ajax_referer('bd_update_links');
        
        $book_id = absint($_POST['book_id']);
        
        echo json_encode(array('success' => true));
        
        wp_die();
    }
}