<?php

namespace ImageSeoWP\Services;

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

use ImageSeoWP\Helpers\AttachmentMeta;

class ReportImage
{
    public function __construct()
    {
        $this->clientService = imageseo_get_service('ClientApi');
        $this->optionService = imageseo_get_service('Option');
    }

    /**
     * @param int $attachmentId
     *
     * @return bool
     */
    public function haveAlreadyReportByAttachmentId($attachmentId)
    {
        return $this->getReportByAttachmentId($attachmentId) ? true : false;
    }

    /**
     * @param int $attachmentId
     *
     * @return array
     */
    public function getReportByAttachmentId($attachmentId)
    {
        return get_post_meta($attachmentId, AttachmentMeta::REPORT, true);
    }

    /**
     * @param int   $attachmentId
     * @param array $query
     *
     * @return array
     */
    public function generateReportByAttachmentIdForNextGen($attachmentId, $query = [], $language = null)
    {
        $storage = \C_Gallery_Storage::get_instance();

        $filePath = $storage->get_image_abspath($attachmentId);
        $metadata = getimagesize($filePath);
        $language = null === $language ? $this->optionService->getOption('default_language_ia') : $language;

        if (!isset($metadata['mime']) || false === strpos($metadata['mime'], 'image')) {
            return;
        }

        $reportImages = $this->clientService->getClient()->getResource('ImageReports', $query);

        if (file_exists($filePath)) {
            try {
                $result = $reportImages->generateReportFromFile([
                    'lang'     => $language,
                    'filePath' => $filePath,
                    'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata[0] : '',
                    'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata[1] : '',
                ], $query);
            } catch (\Exception $e) {
                $result = $reportImages->generateReportFromUrl([
                    'lang'     => $language,
                    'src'      => $storage->get_image_url($attachmentId),
                    'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata[0] : '',
                    'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata[1] : '',
                ], $query);
            }
        } else {
            $result = $reportImages->generateReportFromUrl([
                'lang'     => $language,
                'src'      => $storage->get_image_url($attachmentId),
                'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata[0] : '',
                'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata[1] : '',
            ], $query);
        }

        if ($result && !$result['success']) {
            return $result;
        }

        $report = $result['result'];

        $postId = imageseo_get_service('QueryNextGen')->getPostIdByNextGenId($attachmentId);

        update_post_meta($postId, AttachmentMeta::REPORT, $report);
        update_post_meta($postId, AttachmentMeta::LANGUAGE, $language);

        return $result;
    }

    /**
     * @param int   $attachmentId
     * @param array $query
     *
     * @return array
     */
    public function generateReportByAttachmentId($attachmentId, $query = [], $language = null)
    {
        if (!apply_filters('imageseo_authorize_generate_report_attachment_id', true, $attachmentId)) {
            return;
        }

        $mimeType = get_post_mime_type($attachmentId);
        if (false === strpos($mimeType, 'image')) {
            return;
        }

        $filePath = get_attached_file($attachmentId);
        $metadata = wp_get_attachment_metadata($attachmentId);
        $language = null === $language ? $this->optionService->getOption('default_language_ia') : $language;

        $reportImages = $this->clientService->getClient()->getResource('ImageReports', $query);

        if (file_exists($filePath)) {
            try {
                $result = $reportImages->generateReportFromFile([
                    'lang'     => $language,
                    'filePath' => $filePath,
                    'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata['width'] : '',
                    'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata['height'] : '',
                ], $query);
            } catch (\Exception $e) {
                $result = $reportImages->generateReportFromUrl([
                    'lang'     => $language,
                    'src'      => $filePath,
                    'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata['width'] : '',
                    'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata['height'] : '',
                ], $query);
            }
        } else {
            $result = $reportImages->generateReportFromUrl([
                'lang'     => $language,
                'src'      => $filePath,
                'width'    => (is_array($metadata) && !empty($metadata)) ? $metadata['width'] : '',
                'height'   => (is_array($metadata) && !empty($metadata)) ? $metadata['height'] : '',
            ], $query);
        }

        if ($result && !$result['success']) {
            return $result;
        }

        $report = $result['result'];
        update_post_meta($attachmentId, AttachmentMeta::REPORT, $report);
        update_post_meta($attachmentId, AttachmentMeta::LANGUAGE, $language);

        return $result;
    }

    /**
     * Get name file for an attachment id from a report.
     *
     * @param int $attachmentId
     *
     * @return string
     */
    public function getNameFileAttachmentWithId($attachmentId, $params = [])
    {
        $report = $this->getReportByAttachmentId($attachmentId);
        $nameAuto = $this->getAutoContextFromReport($report, $params);

        return apply_filters('imageseo_get_name_file_attachment_id', $nameAuto, $attachmentId);
    }

    /**
     * @param array $report
     *
     * @return string
     */
    public function getAutoContextFromReport($report, $params = [])
    {
        return $this->getValueAuto('alts', $report, $params);
    }

    public function getAltsFromReport($report)
    {
        $alts = [];

        foreach ($report['alts'] as $alt) {
            if (empty($alt['name'])) {
                continue;
            }

            $alts[] = $alt;
        }

        return $alts;
    }

    /**
     * @param string $type
     * @param array  $report
     * @param array  $params
     *
     * @return string
     */
    protected function getValueAuto($type, $report, $params = [])
    {
        if (!isset($params['min_percent'])) {
            $params['min_percent'] = apply_filters('imageseo_get_value_auto_min_percent', 10, $type, $report);
        }
        if (!isset($params['max_percent'])) {
            $params['max_percent'] = apply_filters('imageseo_get_value_auto_max_percent', 101, $type, $report);
        }

        $altReplace = '';
        $i = 0;
        $total = count($report[$type]);

        while (empty($altReplace) && $i < $total) {
            if (null === $report[$type][$i]['score']) {
                $altReplace = $report[$type][$i]['name'];
                ++$i;
                continue;
            }

            if ($params['min_percent'] >= round($report[$type][$i]['score']) || $params['max_percent'] <= round($report[$type][$i]['score'])) {
                ++$i;
                continue;
            }

            $altReplace = $report[$type][$i]['name'];
            ++$i;
        }

        return $altReplace;
    }
}