<?php
if ( ! defined( 'ABSPATH' ) ) exit;

class WMW_Shortcodes {

    public function register() {
        add_shortcode( 'wmw_wiki',       array( $this, 'wiki_index' ) );
        add_shortcode( 'wmw_article',    array( $this, 'single_article' ) );
        add_shortcode( 'wmw_search',     array( $this, 'search_box' ) );
        add_shortcode( 'wmw_wiki_list',  array( $this, 'wiki_list' ) );
        add_shortcode( 'wmw_breadcrumb', array( $this, 'breadcrumb' ) );
    }

    /**
     * [wmw_wiki id="1"] or [wmw_wiki slug="my-plugin"]
     */
    public function wiki_index( $atts ) {
        $atts = shortcode_atts( array(
            'id'     => 0,
            'slug'   => '',
            'layout' => 'grid', // grid | list
        ), $atts, 'wmw_wiki' );

        $wiki = null;
        if ( $atts['id'] ) {
            $wiki = get_post( absint( $atts['id'] ) );
        } elseif ( $atts['slug'] ) {
            $wiki = get_page_by_path( $atts['slug'], OBJECT, 'wmw_wiki' );
        }

        if ( ! $wiki || $wiki->post_type !== 'wmw_wiki' ) return '';

        ob_start();
        WMW_Frontend::render_wiki_index( $wiki, $atts['layout'] );
        return ob_get_clean();
    }

    /**
     * [wmw_article id="5"]
     */
    public function single_article( $atts ) {
        $atts = shortcode_atts( array( 'id' => 0 ), $atts, 'wmw_article' );
        $article = get_post( absint( $atts['id'] ) );
        if ( ! $article || $article->post_type !== 'wmw_article' ) return '';

        ob_start();
        WMW_Frontend::render_article( $article );
        return ob_get_clean();
    }

    /**
     * [wmw_search wiki_id="1" placeholder="Suche..."]
     */
    public function search_box( $atts ) {
        $atts = shortcode_atts( array(
            'wiki_id'     => 0,
            'placeholder' => 'Wiki durchsuchen…',
        ), $atts, 'wmw_search' );

        ob_start();
        WMW_Frontend::render_search_box( absint( $atts['wiki_id'] ), $atts['placeholder'] );
        return ob_get_clean();
    }

    /**
     * [wmw_wiki_list columns="3"]
     */
    public function wiki_list( $atts ) {
        $atts = shortcode_atts( array( 'columns' => 3 ), $atts, 'wmw_wiki_list' );
        $wikis = wmw_get_wikis();
        if ( empty( $wikis ) ) return '';

        ob_start();
        WMW_Frontend::render_wiki_list( $wikis, absint( $atts['columns'] ) );
        return ob_get_clean();
    }

    /**
     * [wmw_breadcrumb]
     */
    public function breadcrumb( $atts ) {
        global $post;
        if ( ! $post ) return '';
        ob_start();
        WMW_Frontend::render_breadcrumb( $post );
        return ob_get_clean();
    }
}