<?php

namespace ImageSeoWP\Services;

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

use ImageSeoWP\Helpers\SocialMedia;

class GenerateImageSocial
{
    public function __construct()
    {
        $this->clientApiService = imageseo_get_service('ClientApi');
    }

    protected function getMinutes($content)
    {
        $word = str_word_count(strip_tags($content));
        $minutes = floor($word / 200);
        if ($minutes < 1) {
            $minutes = 1;
        }

        return $minutes;
    }

    /**
     * @param object $post
     *
     * @return string
     */
    protected function getSubTitle($post)
    {
        switch ($post->post_type) {
            case 'product':
                if (!function_exists('wc_get_product')) {
                    return '';
                }

                $product = wc_get_product($post->ID);

                $subTitle = html_entity_decode(sprintf('%s%s', $product->get_price(), get_woocommerce_currency_symbol()));
                break;
            default:
                $subTitle = get_the_author_meta('display_name', $post->post_author);
                break;
        }

        return apply_filters('imageseo_get_sub_title_social_media', $subTitle, $post);
    }

    /**
     * @param object $post
     *
     * @return string
     */
    protected function getSubTitleTwo($post)
    {
        switch ($post->post_type) {
            case 'product':
                if (!function_exists('wc_get_product')) {
                    return '';
                }

                $product = wc_get_product($post->ID);

                $subTitle = $product->get_review_count();
                break;
            default:
                $subTitle = sprintf(__('%s min read', 'imageseo'), $this->getMinutes($post->post_content));
                break;
        }

        return apply_filters('imageseo_get_sub_title_two_social_media', $subTitle, $post);
    }

    protected function getVisibilityRating($post, $settings)
    {
        switch ($post->post_type) {
            case 'product':
                $visibility = $settings['visibilityRating'];
                break;
            default:
                $visibility = false;
                break;
        }

        return apply_filters('imageseo_get_visibility_rating', $visibility, $post);
    }

    protected function getAvatarUrl($post)
    {
        return apply_filters('imageseo_get_avatar_url', get_avatar_url($post->post_author));
    }

    public function prepare($postId)
    {
        $limitExcedeed = imageseo_get_service('UserInfo')->hasLimitExcedeed();
        if ($limitExcedeed) {
            return;
		}

		if(!imageseo_get_api_key()){
			return false;
		}

        $post = get_post($postId);
        if (!$post) {
            return;
        }

        $medias = [
            SocialMedia::OPEN_GRAPH['name'],
        ];
        $settings = imageseo_get_service('Option')->getOption('social_media_settings');

        $siteTitle = get_bloginfo('name');
        $subTitle = $this->getSubTitle($post);
        $subTitleTwo = $this->getSubTitleTwo($post);

        $visibilityRating = $this->getVisibilityRating($post, $settings);

        $nbGoodStars = 0;
        if ($visibilityRating && function_exists('wc_get_product')) {
            $product = wc_get_product($post->ID);
            $nbGoodStars = ceil($product->get_average_rating());
        }
        $avatarUrl = $this->getAvatarUrl($post);

        $featuredImgUrl = apply_filters('imageseo_get_post_thumbnail_social_media', get_the_post_thumbnail_url($postId, 'full'), $postId);

        if (!$featuredImgUrl) {
            $featuredImgUrl = $settings['defaultBgImg'];
        }

        $isAlreadyGenerate = get_post_meta($postId, '_imageseo_social_media_image_is_generate', true);
        $transientCurrentProcess = get_transient('_imageseo_filename_social_process');
        if (!$transientCurrentProcess) {
            $transientCurrentProcess = [];
        }

        foreach ($medias as $media) {
            $formatFilename = sanitize_title(sprintf('%s-%s-%s', $siteTitle, $post->post_name, $media));
            $filename = apply_filters('imageseo_filename_social_media_image', $formatFilename, $postId, $media);

            if ($isAlreadyGenerate) {
                $currentAttachmentId = get_post_meta($postId, sprintf('_imageseo_social_media_image_%s', $media), true);
                wp_delete_attachment($currentAttachmentId, true);
            }

            $result = $this->generate($filename, [
                'title'                            => $post->post_title,
                'subTitle'                         => $subTitle,
                'subTitleTwo'                      => $subTitleTwo,
                'layout'                           => $settings['layout'],
                'textColor'                        => str_replace('#', '', $settings['textColor']),
                'contentBackgroundColor'           => str_replace('#', '', $settings['contentBackgroundColor']),
                'starColor'                        => str_replace('#', '', $settings['starColor']),
                'visibilitySubTitle'               => $settings['visibilitySubTitle'],
                'visibilitySubTitleTwo'            => $settings['visibilitySubTitleTwo'],
                'visibilityAvatar'                 => $settings['visibilityAvatar'],
                'visibilityRating'                 => $visibilityRating,
                'layout'                           => $settings['layout'],
                'textAlignment'                    => $settings['textAlignment'],
                'logoUrl'                          => $settings['logoUrl'],
                'avatarUrl'                        => $avatarUrl,
                'bgImgUrl'                         => $featuredImgUrl,
                'nbGoodStars'                      => $nbGoodStars,
            ]);

            if (isset($result['attachment_id'])) {
                update_post_meta($postId, sprintf('_imageseo_social_media_image_%s', $media), $result['attachment_id']);

                unset($transientCurrentProcess[$postId]);
                set_transient('_imageseo_filename_social_process', $transientCurrentProcess, 20);
            }

            if (!$isAlreadyGenerate) {
                update_post_meta($postId, '_imageseo_social_media_image_is_generate', true);

                $client = imageseo_get_service('ClientApi')->getClient();
                $url = $client->getOptions()['host'] . '/v1/external/projects/credits';
                $client->getHttpClient()->request(
                    'POST',
                    $url
                );
            }
        }
    }

    /**
     * @param string $filename
     * @param array  $data
     *
     * @example [
     *      "title" => "Post title",
     *      "media" => "open-graph"
     *      "layout" => "CARD_LEFT"
     *      "bgImgUrl" => "https://example.com/image.jpg"
     *      "bgColor" => "FFFFFF"
     *      "txtColor" => "000000"
     * ]
     */
    public function generate($filename, $data)
    {
        if (empty($filename) || empty($data)) {
            return;
        }

        if (!array_key_exists('media', $data)) {
            $data['media'] = SocialMedia::OPEN_GRAPH['name'];
        }

        if (apply_filters('imageseo_generate_social_mute_report_on_upload', true)) {
            imageseo_get_action('\ImageSeoWP\Actions\Admin\MediaLibrary')->muteOnUpload();
        }

        $image = $this->clientApiService->generateSocialMediaImage($data);

        $filenameWithExtension = $filename . '.jpg';
        $result = wp_upload_bits($filenameWithExtension, null, $image);

        $attachment = [
            'post_mime_type' => 'image/jpeg',
            'post_title'     => $filename,
            'post_content'   => '',
            'post_status'    => 'inherit',
            'guid'           => $result['url'],
        ];

        $attachmentId = wp_insert_attachment($attachment, $result['file']);

        require_once ABSPATH . 'wp-admin/includes/image.php';

        $attachmentData = wp_generate_attachment_metadata($attachmentId, $result['file']);

        $now = new \DateTime('now');
        wp_update_attachment_metadata($attachmentId, array_merge($attachmentData, ['is_social' => true, 'last_updated' => $now->getTimestamp()]));

        return [
            'file_infos'    => $result,
            'attachment_id' => $attachmentId,
        ];
    }
}