<?php

class PixivUserIllustsBridge extends BridgeAbstract
{
    const NAME = 'Pixiv User Illustrations';
    const URI = 'https://www.pixiv.net';
    const DESCRIPTION = 'Returns latest illustrations from a Pixiv user (only safe content, R-18 and sensitive works require login)';
    const MAINTAINER = 'Akamaru';
    const CACHE_TIMEOUT = 3600; // 1 hour

    const PARAMETERS = [
        [
            'user_id' => [
                'name' => 'User ID',
                'type' => 'text',
                'required' => true,
                'exampleValue' => '55400004'
            ],
            'limit' => [
                'name' => 'Limit',
                'type' => 'number',
                'defaultValue' => 10,
                'required' => false
            ]
        ]
    ];

    private $userName = null;

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

    public function getName()
    {
        if ($this->userName) {
            return $this->userName . ' - Pixiv';
        }
        return self::NAME;
    }

    public function getURI()
    {
        $userId = $this->getInput('user_id');
        if ($userId) {
            return self::URI . '/users/' . $userId . '/illustrations';
        }
        return self::URI;
    }

    public function collectData()
    {
        $userId = $this->getInput('user_id');
        $limit = $this->getInput('limit') ?: 10;

        // Fetch user profile to get all illust IDs
        $profileUrl = self::URI . '/ajax/user/' . $userId . '/profile/all';
        $profileJson = getContents($profileUrl, [
            'Referer: https://www.pixiv.net/'
        ]);
        $profileData = json_decode($profileJson, true);

        if (!isset($profileData['body']['illusts']) || !is_array($profileData['body']['illusts'])) {
            returnServerError('Could not fetch user illustrations');
        }

        // Get illust IDs (they are the keys of the illusts object)
        $illustIds = array_keys($profileData['body']['illusts']);

        // Sort by ID descending (newest first - higher ID = newer)
        usort($illustIds, function ($a, $b) {
            return (int)$b - (int)$a;
        });

        // Limit the number of illustrations
        $illustIds = array_slice($illustIds, 0, $limit);

        // Fetch detailed information for each illustration
        foreach ($illustIds as $illustId) {
            $illustUrl = self::URI . '/ajax/illust/' . $illustId;

            try {
                $illustJson = getContents($illustUrl, [
                    'Referer: https://www.pixiv.net/'
                ]);
                $illustData = json_decode($illustJson, true);

                if (!$illustData || !isset($illustData['body'])) {
                    continue;
                }

                $illust = $illustData['body'];
                $item = [];

                // Store username for getName()
                if (!$this->userName && isset($illust['userName'])) {
                    $this->userName = $illust['userName'];
                }

                // Title
                $item['title'] = $illust['illustTitle'] ?? $illust['title'] ?? 'Untitled';

                // Content (image via pixiv.re proxy + description)
                $content = '';
                if (isset($illust['urls']['regular'])) {
                    // Use pixiv.re proxy (replace i.pximg.net with i.pixiv.re)
                    $imageUrl = str_replace('i.pximg.net', 'i.pixiv.re', $illust['urls']['regular']);
                    $content .= '<p><img src="' . $imageUrl . '" /></p>';
                }
                if (!empty($illust['illustComment'])) {
                    $content .= '<p>' . $illust['illustComment'] . '</p>';
                }
                $item['content'] = $content;

                // URI
                $item['uri'] = self::URI . '/artworks/' . $illustId;

                // Timestamp
                if (isset($illust['createDate'])) {
                    $item['timestamp'] = strtotime($illust['createDate']);
                } elseif (isset($illust['uploadDate'])) {
                    $item['timestamp'] = strtotime($illust['uploadDate']);
                }

                // Author
                $item['author'] = $illust['userName'] ?? 'Unknown';

                // Categories (tags)
                if (isset($illust['tags']['tags']) && is_array($illust['tags']['tags'])) {
                    $item['categories'] = array_map(function ($tag) {
                        return $tag['tag'] ?? '';
                    }, $illust['tags']['tags']);
                }

                // UID
                $item['uid'] = 'pixiv-' . $illustId;

                $this->items[] = $item;

            } catch (Exception $e) {
                // Skip illustrations that fail to load
                continue;
            }
        }
    }
}