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

/**
 *  Generate Thumbnail
 */
function attire_thumb($post, $size = '', $extra = array(), $echo = true)
{
    $size = $size ? $size : 'large';
    $class = esc_attr(isset($extra['class']) ? $extra['class'] : '');
    unset($extra['class']);
    if (is_array($size)) {
        $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $large_image_url = $large_image_url[0];
        $attrs = '';
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = attire_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);
            $alt = esc_attr(get_post_meta(get_post_thumbnail_id($post->ID), '_wp_attachment_image_alt', true));
            foreach ($extra as $attr => $val) {
                $attrs .= "$attr = '$val'";
            }

            $img = "<img src='" . esc_url($thumb) . "' alt='{$alt}' class='{$class}' $attrs />";
            if ($echo) {
                echo $img;

                return;
            } else {
                return $img;
            }
        }
    }
    if ($echo && has_post_thumbnail($post->ID)) {
        echo get_the_post_thumbnail($post->ID, $size, $extra);
    } elseif (!$echo && has_post_thumbnail($post->ID)) {
        return get_the_post_thumbnail($post->ID, $size, $extra);
    } elseif ($echo) {
        echo "";
    } else {
        return "";
    }
}

/**
 * @return mixed
 */
function attire_post_fet_image_url()
{
    global $post;
    $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');

    return $large_image_url[0];
}

/**
 * @usage Generates post thumbnail
 *
 * @param string $size
 * @param bool $echo
 * @param null $extra
 *
 * @return mixed|string|void
 */
function attire_post_thumb($size = '', $echo = true, $extra = null)
{
    global $post;
    $size = $size ? $size : 'thumbnail';
    $class = isset($extra['class']) ? $extra['class'] : '';
    $class .= " " . get_post_type() . "-thumbnail";
    $class = trim($class);
    $alt = $post->post_title;
    if (is_array($size)) {
        $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $large_image_url = $large_image_url[0];
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = attire_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);
            $aalt = get_post_meta(get_post_thumbnail_id($post->ID), '_wp_attachment_image_alt', true);
            $alt = $aalt ? $aalt : $alt;
            $img = "<img src='" . esc_url($thumb) . "' alt='{$alt}' class='{$class}' />";
            if ($echo) {
                echo $img;

                return;
            } else {
                return $img;
            }
        }
    }
    if ($echo && has_post_thumbnail($post->ID)) {
        echo get_the_post_thumbnail($post->ID, $size, $extra);
    } elseif (!$echo && has_post_thumbnail($post->ID)) {
        return get_the_post_thumbnail($post->ID, $size, $extra);
    } elseif ($echo) {
        echo "";
    } else {
        return "";
    }
}


/**
 * Post thumbnail url
 */
function attire_post_thumb_url($size = '', $echo = true, $extra = null)
{
    global $post;
    $size = $size ? $size : 'thumbnail';
    if (is_array($size)) {
        $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
        $large_image_url = $large_image_url[0];
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = attire_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);

            return $thumb;
        }
    }
    $large_image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'full');
    $large_image_url = $large_image_url[0];

    return esc_url($large_image_url);
}

//genrate thumbnail url
function attire_thumb_url($image, $size = '', $echo = true, $extra = null)
{
    global $post;
    $size = $size ? $size : 'thumbnail';
    if (is_array($size)) {
        $large_image_url = $image;
        if ($large_image_url != '') {
            $path = str_replace(site_url('/'), ABSPATH, $large_image_url);
            $thumb = attire_dynamic_thumb($path, $size);
            $thumb = str_replace(ABSPATH, site_url('/'), $thumb);

            return esc_url($thumb);
        }
    }

    return esc_url($image);
}

function attire_post_gallery()
{

}

//generate cutom excerpt
function attire_post_excerpt($length, $echo = true, $c = '...')
{
    global $post;
    $uexcerpt = $post->post_excerpt ? $post->post_excerpt : preg_replace("/\[([^\]]*)\]/", "", $post->post_content);
    $uexcerpt = strip_tags($uexcerpt);
    $uexcerpt = esc_html($uexcerpt);
    $excerpt = substr($uexcerpt, 0, $length);
    $eexcerpt = substr($uexcerpt, $length);
    $eexcerpt = explode(" ", $eexcerpt);
    $excerpt .= array_shift($eexcerpt);
    $excerpt = $excerpt ? $excerpt . $c : $excerpt;
    if (!$echo) {
        return $excerpt;
    }
    echo esc_attr($excerpt);
}

//generate cutom excerpt
function attire_get_excerpt($postid, $length, $echo = true, $c = '...')
{
    $post = get_post($postid);
    $uexcerpt = $post->post_excerpt ? $post->post_excerpt : preg_replace("/\[([^\]]*)\]/", "", $post->post_content);
    $uexcerpt = strip_tags($uexcerpt);
    $uexcerpt = esc_html($uexcerpt);
    $excerpt = substr($uexcerpt, 0, $length);
    $eexcerpt = substr($uexcerpt, $length);
    $eexcerpt = explode(" ", $eexcerpt);
    $excerpt .= array_shift($eexcerpt);
    $excerpt = $excerpt ? $excerpt . $c : $excerpt;
    if (!$echo) {
        return $excerpt;
    }
    echo esc_attr($excerpt);
}


function attire_dynamic_thumb($path, $size)
{

    $upload_dir = wp_upload_dir();
    $abspath = str_replace("\\", "/", ABSPATH);
    $cachedir = str_replace("\\", "/", $upload_dir['basedir'] . '/attire-thumb-cache/');

    $path = str_replace("\\", "/", $path);
    $path = str_replace(site_url('/'), $abspath, $path);

    if (!file_exists($path)) {
        return;
    }
    $name_p = explode(".", $path);
    $ext = "." . end($name_p);
    $filename = basename($path);
    $thumbpath = $cachedir . '/' . str_replace($ext, "-" . md5($path) . "-" . implode("x", $size) . $ext, $filename);
    if (file_exists($thumbpath)) {
        $thumbpath = str_replace($abspath, site_url('/'), $thumbpath);

        return $thumbpath;
    }

    if (!file_exists($cachedir)) {
        mkdir($cachedir, 0777);
    }

    $image = wp_get_image_editor($path);
    if (!is_wp_error($image)) {
        $image->resize($size[0], $size[1], true);
        $image->save($thumbpath);
    }
    $thumbpath = str_replace("\\", "/", $thumbpath);
    $thumbpath = str_replace($abspath, site_url('/'), $thumbpath);

    return $thumbpath;
}