<?php

declare(strict_types=1);

class NIKKENewsBridge extends BridgeAbstract
{
    const MAINTAINER = 'Akamaru';
    const NAME = 'GODDESS OF VICTORY: NIKKE News';
    const URI = 'https://nikke-en.com/news.html';
    const CACHE_TIMEOUT = 3600; // 1h
    const DESCRIPTION = 'Get the latest news from GODDESS OF VICTORY: NIKKE!';

    public function getIcon()
    {
        return 'https://www.google.com/s2/favicons?domain=nikke-en.com&sz=32';
    }

    const PARAMETERS = array(
        array(
            'category' => array(
                'name' => 'Category',
                'type' => 'list',
                'values' => array(
                    'All' => 'all',
                    'Important' => 'important',
                    'News' => 'news',
                    'Notice' => 'notice'
                ),
                'required' => true,
                'defaultValue' => 'all'
            ),
            'lang' => array(
                'name' => 'Language',
                'type' => 'list',
                'values' => array(
                    'English' => 'en',
                    'Deutsch' => 'de',
                    'Français' => 'fr',
                    '日本語' => 'ja',
                    '한국어' => 'ko',
                    'ไทย' => 'th'
                ),
                'required' => true,
                'defaultValue' => 'en'
            ),
            'limit' => array(
                'name' => 'Limit',
                'type' => 'number',
                'required' => false,
                'defaultValue' => 10
            )
        )
    );

    private $apiUrl = 'https://na-community.playerinfinite.com/api/gpts.information_feeds_svr.InformationFeedsSvr/GetContentByLabel';
    private $apiUrlDetail = 'https://na-community.playerinfinite.com/api/gpts.information_feeds_svr.InformationFeedsSvr/GetContentInfoById';
    private $pageUrl = self::URI;

    public function getURI()
    {
        return $this->pageUrl;
    }

    public function collectData()
    {
        $category = $this->getInput('category');
        $lang = $this->getInput('lang');
        $limit = $this->getInput('limit') ?? 10;

        // Map category to label IDs
        $labelConfig = $this->getLabelConfig($category);

        $allItems = [];

        // If "all" is selected, fetch from multiple labels
        if ($category === 'all') {
            $seenIds = [];
            foreach ($labelConfig as $config) {
                $items = $this->fetchNews($config['primary'], $config['secondary'], $lang, $limit);
                foreach ($items as $item) {
                    // Use URI as unique identifier to prevent duplicates
                    if (!isset($seenIds[$item['uri']])) {
                        $seenIds[$item['uri']] = true;
                        $allItems[] = $item;
                    }
                }
            }
            // Sort by timestamp and limit
            usort($allItems, function ($a, $b) {
                return $b['timestamp'] <=> $a['timestamp'];
            });
            $allItems = array_slice($allItems, 0, $limit);
        } else {
            $config = $labelConfig[0];
            $allItems = $this->fetchNews($config['primary'], $config['secondary'], $lang, $limit);
        }

        $this->items = $allItems;
    }

    private function getLabelConfig($category)
    {
        switch ($category) {
            case 'important':
                return [['primary' => 308, 'secondary' => 494]];
            case 'news':
                return [['primary' => 309, 'secondary' => 496]];
            case 'notice':
                return [['primary' => 309, 'secondary' => 892]];
            case 'all':
                return [
                    ['primary' => 308, 'secondary' => 494], // Important
                    ['primary' => 309, 'secondary' => 496], // News
                    ['primary' => 309, 'secondary' => 892]  // Notice
                ];
            default:
                returnClientError('Invalid category: ' . $category);
        }
    }

    private function fetchNews($primaryLabelId, $secondaryLabelId, $lang, $limit)
    {
        $requestBody = json_encode([
            'language' => [$lang],
            'gameid' => '16',
            'offset' => 0,
            'get_num' => $limit,
            'ext_info_type_list' => [0, 1, 2],
            'secondary_label_id' => $secondaryLabelId,
            'primary_label_id' => $primaryLabelId
        ]);

        $headers = [
            'Content-Type: application/json;charset=utf-8',
            'x-areaid: na',
            'x-gameid: 16',
            'x-language: ' . $lang,
            'x-source: pc_web'
        ];

        $opts = [
            CURLOPT_CUSTOMREQUEST => 'POST',
            CURLOPT_POSTFIELDS => $requestBody,
            CURLOPT_HTTPHEADER => $headers
        ];

        $json = getContents($this->apiUrl, $headers, $opts)
            or returnServerError('Could not fetch NIKKE news.');

        $data = json_decode($json, true);

        if (!isset($data['data']['info_content'])) {
            returnServerError('Invalid response structure.');
        }

        $items = [];
        foreach ($data['data']['info_content'] as $element) {
            $contentId = $element['content_id'] ?? '';
            $fatherContentId = $element['father_content_id'] ?? $contentId;
            $title = $element['title'] ?? 'Untitled';
            $timestamp = isset($element['pub_timestamp']) ? (int)$element['pub_timestamp'] : time();
            $picUrls = $element['pic_urls'] ?? [];

            // Fetch full content
            $fullContent = $this->fetchFullContent($fatherContentId, $lang);

            // Prepend image to content if available
            if (!empty($picUrls)) {
                $imageUrl = $picUrls[0];
                $imageHtml = '<p><img src="' . htmlspecialchars($imageUrl) . '" alt="' . htmlspecialchars($title) . '" /></p>';
                $fullContent = $imageHtml . $fullContent;
            }

            // Construct article URI
            $uri = 'https://nikke-en.com/newsdetail.html?content_id=' . $contentId;

            $item = [
                'uri' => $uri,
                'title' => $title,
                'timestamp' => $timestamp,
                'content' => $fullContent,
                'author' => 'NIKKE Team'
            ];

            // Add image as enclosure
            if (!empty($picUrls)) {
                $item['enclosures'] = [$picUrls[0]];
            }

            $items[] = $item;
        }

        return $items;
    }

    private function fetchFullContent($fatherContentId, $lang)
    {
        $requestBody = json_encode([
            'father_content_id' => $fatherContentId
        ]);

        $headers = [
            'Content-Type: application/json;charset=utf-8',
            'x-areaid: na',
            'x-gameid: 16',
            'x-language: ' . $lang,
            'x-source: pc_web'
        ];

        $opts = [
            CURLOPT_CUSTOMREQUEST => 'POST',
            CURLOPT_POSTFIELDS => $requestBody,
            CURLOPT_HTTPHEADER => $headers
        ];

        $json = getContents($this->apiUrlDetail, $headers, $opts);

        if (!$json) {
            // Fallback to empty content if detail fetch fails
            return '';
        }

        $data = json_decode($json, true);

        if (!isset($data['data']['content'])) {
            return '';
        }

        // Return the HTML content
        return $data['data']['content'];
    }
}