<?php
//Class definition: Post Functions
class alagu_post_functions {

	public $element_position = array();

	function __construct() {

		$elp = alagu_get_option( 'blog-elements-position' );
		foreach( $elp as $ep ) {
			$this->element_position[$ep] = $ep;
		}

		add_filter( 'post_class', array( $this, 'alagu_add_remove_post_class' ), 10, 1 );

		add_action( 'wp_ajax_alagu_ajax_load_more_post', array( $this, 'alagu_ajax_load_more_post' ) );
		add_action( 'wp_ajax_nopriv_alagu_ajax_load_more_post', array( $this, 'alagu_ajax_load_more_post' ) );
	}

	function alagu_post_meta_fields( $ajax = false, $page_ID = 0 ) {

		$meta_values = array();
		$enable_excerpt = '';

		if( $page_ID > 0 ) :

			// Getting values from page meta...
			$tpl_default_settings = get_post_meta($page_ID, '_tpl_default_settings', TRUE);
			$tpl_default_settings = is_array( $tpl_default_settings ) ? $tpl_default_settings  : array();

			$allow_read_more = !empty( $tpl_default_settings['enable-blog-readmore'] ) ? $tpl_default_settings['enable-blog-readmore'] : NULL;
			$read_more = !empty( $tpl_default_settings['blog-readmore'] ) ? $tpl_default_settings['blog-readmore'] : NULL;

			$allow_excerpt = !empty( $tpl_default_settings['blog-post-excerpt'] ) ? $tpl_default_settings['blog-post-excerpt'] : NULL;
			$excerpt = !empty( $tpl_default_settings['blog-post-excerpt-length'] ) ? $tpl_default_settings['blog-post-excerpt-length'] : NULL;
			
			$show_post_format = !empty( $tpl_default_settings['show-postformat-info'] ) ? $tpl_default_settings['show-postformat-info'] : NULL;
			$show_author_meta = !empty( $tpl_default_settings['show-author-info'] ) ? $tpl_default_settings['show-author-info'] : NULL;
			
			$show_date_meta = !empty( $tpl_default_settings['show-date-info'] ) ? $tpl_default_settings['show-date-info'] : NULL;
			$show_comment_meta = !empty( $tpl_default_settings['show-comment-info'] ) ? $tpl_default_settings['show-comment-info'] : NULL;

			$show_category_meta = !empty( $tpl_default_settings['show-category-info'] ) ? $tpl_default_settings['show-category-info'] : NULL;
			$show_tag_meta = !empty( $tpl_default_settings['show-tag-info'] ) ? $tpl_default_settings['show-tag-info'] : NULL;

		elseif( is_home() || is_search() || is_archive() || $ajax ) :

			// Getting values from theme options...
			$element_position = alagu_get_option( 'blog-elements-position' );
			$ele_pos = $meta_ele_pos = array();
			foreach( $element_position as $ep ) {
				$ele_pos[$ep] = $ep;
			}

			$meta_group_position = alagu_get_option( 'blog-meta-position' );
			foreach( $meta_group_position as $mp ) {
				$meta_ele_pos[$mp] = $mp;
			}

			$enable_excerpt = alagu_get_option( 'enable-excerpt-text' );
			$excerpt_length = alagu_get_option( 'blog-excerpt-length' );

			$read_more = alagu_get_option( 'blog-readmore-text' );

			$enable_slider = alagu_get_option( 'enable-gallery-slider' );

			$enable_video_audio = alagu_get_option( 'enable-video-audio' );

			$enable_post_format = alagu_get_option( 'enable-post-format' );

		endif;

		$excerpt_length = !empty( $excerpt_length ) ? $excerpt_length : 25;
		$read_more = !empty( $read_more ) ? $read_more : '';

		array_push( $meta_values, $ele_pos, $meta_ele_pos, $enable_excerpt, $excerpt_length, $read_more, $enable_slider, $enable_video_audio, $enable_post_format );

		return $meta_values;
	}

	function alagu_add_remove_post_class( $classes ) {

		if( !array_key_exists( 'feature_image', $this->element_position ) && ( is_archive() || is_home() ) ) {
			if( ( $key = array_search( 'has-post-thumbnail', $classes ) ) !== false ) {
				unset( $classes[$key] );
			}
		}

		global $post;
		if ( is_sticky( $post->ID ) ) {
			$classes[] = 'sticky';
		}

		return $classes;
	}

	function alagu_ajax_load_more_post() {

		$combine_class = array();

		$count = ( isset($_REQUEST['count']) ) ? $_REQUEST['count'] : get_option( 'posts_per_page' );
		$p = ( isset($_REQUEST['pos']) ) ? $_REQUEST['pos'] : 1;
		$meta = ( isset($_REQUEST['meta']) ) ? $_REQUEST['meta'] : '';

		$post_layout = ( isset( $_REQUEST['layout'] ) ) ? $_REQUEST['layout'] : alagu_get_option( 'blog-post-layout' );
		$combine_class[] = $post_layout.'-layout';

		$combine_class[] = $post_style = ( isset($_REQUEST['style']) ) ? $_REQUEST['style'] : alagu_get_option( 'blog-post-grid-list-style' );

		$post_columns = ( isset($_REQUEST['column']) ) ? $_REQUEST['column'] : 'one-column';
		$post_columns = ( $post_layout == 'entry-list' ) ? 'one-column' : $post_columns;

		$page = ( isset($_REQUEST['pageNumber']) ) ? $_REQUEST['pageNumber'] : 2;

		$post_list_type = ( isset($_REQUEST['listtype']) ) ? $_REQUEST['listtype'] : '';
		$combine_class[] = ( $post_layout == 'entry-list' ) ? $post_list_type : '';

		$post_img_hover_style = $_REQUEST['hover'];
		$combine_class[] = ( $post_img_hover_style != '' ) ? $post_img_hover_style.'-hover' : '';

		$post_img_overlay_style = $_REQUEST['overlay'];
		$combine_class[] = ( ( $post_layout == 'entry-grid' || $post_layout == 'entry-list' ) && $post_img_overlay_style != '' ) ? $post_img_overlay_style.'-overlay' : '';

		$post_alignment = $_REQUEST['align'];
		$combine_class[] = ( ( $post_layout == 'entry-grid' || $post_layout == 'entry-cover' ) && $post_alignment != '' ) ? $post_alignment : '';

		$cats = ( isset($_REQUEST['cats']) ) ? explode( ',', $_REQUEST['cats'] ) : '';

		$args = '';

        switch( $post_columns ):

            default:
			case 'one-column':
				$post_class = "column dt-sc-one-column dt-sc-post-entry ";
                $columns = 1;
            break;

            case 'one-half-column':
				$post_class = "column dt-sc-one-half dt-sc-post-entry ";
                $columns = 2;
            break;

            case 'one-third-column':
				$post_class = "column dt-sc-one-third dt-sc-post-entry ";
                $columns = 3;
            break;

            case 'one-fourth-column':
				$post_class = "column dt-sc-one-fourth dt-sc-post-entry ";
                $columns = 4;
            break;
        endswitch;

		$post_class .= implode(' ', $combine_class);

		if ( empty( $cats ) ):
			$args = array('post_type' => 'post', 'posts_per_page' => $count, 'post_status' => 'publish', 'paged' => $page, 'ignore_sticky_posts' => true );
		else:
			$args = array('post_type' => 'post', 'posts_per_page' => $count, 'cat' => $cats, 'post_status' => 'publish', 'paged' => $page, 'ignore_sticky_posts' => true );
		endif;

		$the_query = new WP_Query($args);
		if($the_query->have_posts()):

			if( empty($meta) ) {
				$obj = new alagu_post_functions;
				$meta = $obj->alagu_post_meta_fields(true);
			}

            while( $the_query->have_posts() ):
                $the_query->the_post();

                $temp_class = "";
                $post_ID = get_the_ID();

                if($p == 1) $temp_class = $post_class.' first'; else $temp_class = $post_class;
                if($p == $columns) $p = 1; else $p = $p + 1;

                $post_meta = get_post_meta($post_ID, '_dt_post_settings', TRUE);
                $post_meta = is_array($post_meta) ? $post_meta : array();

                $format = !empty( $post_meta['post-format-type'] ) ? $post_meta['post-format-type'] : 'standard'; ?>

                <div class="<?php echo esc_attr($temp_class);?>">
                    <article id="post-<?php the_ID();?>" <?php post_class( array( 'blog-entry', 'format-'.$format ) );?>><?php

						$template = apply_filters( 'alagu_blog_archive_template', 'framework/templates/archive-blog-entry.php' );
						$template_args['ID'] = $post_ID;
						$template_args['Post_Style'] = $post_style;
						$template_args['Post_Layout'] = $post_layout;
						$template_args['Post_Column'] = $post_columns;
						$template_args['meta'] = $meta;

						alagu_get_template( $template, $template_args );

                    echo '</article>';
                echo '</div>';

            endwhile;

			echo '#####$$$$$'.$p;

        else:?>
            <h2><?php esc_html_e('Nothing Found.', 'alagu'); ?></h2>
            <p><?php esc_html_e('Apologies, but no results were found for the requested archive.', 'alagu'); ?></p><?php
        endif;

		die();
	}
}

new alagu_post_functions;