<?php

use BrizyPlaceholders\ContentPlaceholder;
use \BrizyPlaceholders\Registry;


class BrizyPro_Content_Providers_Wp extends Brizy_Content_Providers_AbstractProvider
{
    public function __construct()
    {
        $this->getTextPlaceholders();
        $this->getMediaPlaceholders();
        $this->getLinkPlaceholders();

        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_PostLoop('Post Loop', 'brizy_dc_post_loop') );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_PostLoopPagination() );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_PostLoopTags() );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_PostTags() );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_Breadcrumbs('Breadcrumbs', 'editor_breadcrumbs') );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_Comments('Comments', 'editor_comments') );
        $this->registerPlaceholder( $this->postNavigation(0) );
        $this->registerPlaceholder( new Brizy_Content_Placeholders_Simple('', 'editor_is_user_logged_in', function () { return is_user_logged_in() ? 'true' : 'false'; }) );
        $this->registerPlaceholder( new BrizyPro_Content_Placeholders_MenuItemActive('', 'editor_menu_active_item') );
    }

    /**
     *
     * @return array
     */
    private function getTextPlaceholders()
    {
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Post Title', 'brizy_dc_post_title', function ($context) {
            return apply_filters('the_title', $context->getWpPost()->post_title, $context->getWpPost()->ID);
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_PostContent('Post Content', 'brizy_dc_post_content', self::CONFIG_KEY_TEXT,Brizy_Content_Placeholders_Abstract::DISPLAY_BLOCK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Excerpt('Post Excerpt', 'brizy_dc_post_excerpt', self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Post Date', 'brizy_dc_post_date', function ($context) {
            return get_the_date('', $context->getWpPost());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Post Time', 'brizy_dc_post_time', function ($context) {
            return get_the_time('', $context->getWpPost());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Post ID', 'brizy_dc_post_id', function ($context) {
            return $context->getWpPost()->ID;
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Post Comments Count', 'brizy_dc_comments_count', function ($context) {
            return get_comments_number($context->getWpPost());
        },self::CONFIG_KEY_TEXT));

        $this->getTextPlaceholderTerms(self::CONFIG_KEY_TEXT);

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Author Name', 'brizy_dc_post_author_name', function ($context) {

            if (get_the_author_meta('user_firstname', $context->getAuthor()) || get_the_author_meta('user_lastname', $context->getAuthor())) {
                return trim(get_the_author_meta('user_firstname', $context->getAuthor()) . ' ' . get_the_author_meta('user_lastname', $context->getAuthor()));
            } else {
                return trim(get_the_author_meta('display_name', $context->getAuthor()));
            }
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Author Bio', 'brizy_dc_post_author_description', function ($context) {
            return get_the_author_meta('description', $context->getAuthor());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Author Email', 'brizy_dc_post_author_email', function ($context) {
            return get_the_author_meta('email', $context->getAuthor());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Author Website', 'brizy_dc_post_author_url', function ($context) {
            return get_the_author_meta('url', $context->getAuthor());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Site Title', 'brizy_dc_site_title', function () {
            return get_bloginfo();
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Site Tagline', 'brizy_dc_site_tagline', function () {
            return get_bloginfo('description');
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Archive Title', 'brizy_dc_archive_title', function () {

            if (is_category()) {
                $title = single_cat_title('', false);
            } elseif (is_tag()) {
                $title = single_tag_title('', false);
            } elseif (is_author()) {
                $title = get_the_author();
            } elseif (is_year()) {
                $title = get_the_date(_x('Y', 'yearly archives date format'));
            } elseif (is_month()) {
                $title = get_the_date(_x('F Y', 'monthly archives date format'));
            } elseif (is_day()) {
                $title = get_the_date(_x('F j, Y', 'daily archives date format'));
            } elseif (is_post_type_archive()) {
                $title = post_type_archive_title('', false);
            } elseif (is_tax()) {
                $tax = get_taxonomy(get_queried_object()->taxonomy);
                $title = sprintf('%1$s: %2$s', $tax->labels->singular_name, single_term_title('', false));
            } else {
                $title = ''; // __( 'Archives' )
            }

            return apply_filters('get_the_archive_title', $title);
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Archive Description', 'brizy_dc_archive_description', function () {
            return wp_kses_post(get_the_archive_description());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Username', 'editor_user_username', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            $user = wp_get_current_user();

            return $user->data->user_login;
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Role', 'editor_user_role', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            $user = wp_get_current_user();
            $roles = (array)$user->roles;

            return implode(',', $roles);
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User First Name', 'editor_user_first_name', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            return get_the_author_meta('user_firstname', get_current_user_id());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Last Name', 'editor_user_last_name', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            return get_the_author_meta('user_lastname', get_current_user_id());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Nickname', 'editor_user_nickname', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            return get_the_author_meta('nickname', get_current_user_id());
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Display Name', 'editor_user_display_name', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            $user = wp_get_current_user();

            return $user->data->display_name;
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Email', 'editor_user_email', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            $user = wp_get_current_user();

            return $user->data->user_email;
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Website', 'editor_user_website', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            $user = wp_get_current_user();

            return $user->data->user_url;
        },self::CONFIG_KEY_TEXT));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('User Description', 'editor_user_description', function () {

            if (!is_user_logged_in()) {
                return '';
            }

            return get_the_author_meta('description', get_current_user_id());
        },self::CONFIG_KEY_TEXT));

    }

    /**
     * @return array
     */
    private function getMediaPlaceholders()
    {
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_FeaturedImg('Featured Image', 'brizy_dc_img_featured_image', self::CONFIG_KEY_IMAGE));
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Logo('Site logo', 'brizy_dc_img_site_logo', self::CONFIG_KEY_IMAGE));
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('Author Profile Picture', 'brizy_dc_img_avatar_url', function ($context) {
            return esc_url(get_avatar_url($context->getAuthor()));
        }, self::CONFIG_KEY_IMAGE));
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware('User Avatar', 'editor_user_avatar', function () {
            return esc_url(get_avatar_url(get_current_user_id()));
        }, self::CONFIG_KEY_IMAGE));
    }

    /**
     * @return array
     */
    private function getLinkPlaceholders()
    {
        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('Post URL', 'brizy_dc_url_post', function ($context) {
            if ($context->getWpPost()) {
                return get_permalink($context->getWpPost());
            }

            return '';
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('Author URL', 'brizy_dc_url_author', function ($context) {
            if ($context->getWpPost()) {
                return get_author_posts_url($context->getAuthor());
            }

            return '';
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('Comments URL', 'brizy_dc_url_comments', function ($context) {
            if ($context->getWpPost()) {
                return get_comments_link($context->getWpPost()->ID);
            }

            return '';
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('Site URL', 'brizy_dc_url_site', function () {
            return esc_url(home_url('/'));
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Login Url', 'editor_login_url', function () {
            return esc_url(site_url('wp-login.php', 'login_post'));
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Logout Url', 'editor_logout_url', function () {
            return wp_logout_url();
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new Brizy_Content_Placeholders_Simple('Lost Password Url', 'editor_lostpassword_url', function () {
            return wp_lostpassword_url();
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('User Profile', 'editor_user_profile_url', function () {
            return get_author_posts_url(get_current_user_id());
        }, self::CONFIG_KEY_LINK));

        $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_Link('Archive URL', 'brizy_dc_url_archive', function () {

            if (is_category() || is_tag() || is_tax()) {
                $url = get_term_link(get_queried_object());
            } elseif (is_author()) {
                $url = get_author_posts_url(get_queried_object_id());
            } elseif (is_year()) {
                $url = get_year_link(get_query_var('year'));
            } elseif (is_month()) {
                $url = get_month_link(get_query_var('year'), get_query_var('monthnum'));
            } elseif (is_day()) {
                $url = get_day_link(get_query_var('year'), get_query_var('monthnum'), get_query_var('day'));
            } elseif (is_post_type_archive()) {
                $url = get_post_type_archive_link(get_post_type());
            } else {
                $url = get_post_type_archive_link('post');
            }

            return $url;
        }, self::CONFIG_KEY_LINK));
    }

    /**
     * @return array
     */
    private function getTextPlaceholderTerms($group)
    {
        $terms = get_taxonomies(array('public' => true, 'show_ui' => true), 'objects');
        $out = array();

        foreach ($terms as $tax) {

            $this->registerPlaceholder($p = new BrizyPro_Content_Placeholders_SimplePostAware($tax->label, "brizy_dc_post_tax_{$tax->name}", function ($context) use ($tax) {

                $terms = get_terms(array(
                        'object_ids' => $context->getWpPost()->ID,
                        'taxonomy' => $tax->name
                    )
                );

                if (!$terms || is_wp_error($terms)) {
                    return '';
                }

                $links = array();

                foreach ($terms as $term) {

                    if (!($url = get_term_link($term)) || is_wp_error($url)) {
                        continue;
                    }

                    $links[] = '<a href="' . esc_url($url) . '">' . $term->name . '</a>';
                }

                return implode(', ', $links);
            }, $group));
        }

        return $out;
    }

    /**
     * @return Brizy_Content_Placeholders_Simple
     */
    private function postNavigation()
    {
        return new Brizy_Content_Placeholders_Simple('Post Navigation', 'editor_post_navigation', function (Brizy_Content_Context $context, ContentPlaceholder $contentPlaceholder) {

            /*
             * Use array_change_key_case to keep backward compatibility.