/**
 * Pixiv illusts — list illustrations by an artist.
 *
 * Two-step process:
 * 1. Fetch all illust IDs from the user's profile
 * 2. Batch-fetch details for the most recent ones (max 48 IDs per request)
 */
import { cli, Strategy } from '@jackwener/opencli/registry';
import { CommandExecutionError } from '@jackwener/opencli/errors';
import { pixivFetch, BATCH_SIZE } from './utils.js';
cli({
    site: 'pixiv',
    name: 'illusts',
    access: 'read',
    description: "List a Pixiv artist's illustrations",
    domain: 'www.pixiv.net',
    strategy: Strategy.COOKIE,
    args: [
        { name: 'user-id', positional: true, required: true, help: 'Pixiv user ID' },
        { name: 'limit', type: 'int', default: 20, help: 'Number of results' },
    ],
    columns: ['rank', 'title', 'illust_id', 'pages', 'bookmarks', 'tags', 'created', 'url'],
    func: async (page, kwargs) => {
        const userId = String(kwargs['user-id'] ?? '');
        const limit = Number(kwargs.limit) || 20;
        if (!/^\d+$/.test(userId)) {
            throw new CommandExecutionError(`Invalid user ID: ${userId}`);
        }
        // Step 1: get all illust IDs
        const profileBody = await pixivFetch(page, `/ajax/user/${userId}/profile/all`, {
            notFoundMsg: `User not found: ${userId}`,
        });
        const allIds = Object.keys(profileBody?.illusts || {})
            .sort((a, b) => Number(b) - Number(a))
            .slice(0, limit);
        if (allIds.length === 0)
            return [];
        // Step 2: batch fetch details (Pixiv supports up to ~48 IDs per request)
        const allWorks = {};
        for (let offset = 0; offset < allIds.length; offset += BATCH_SIZE) {
            const batch = allIds.slice(offset, offset + BATCH_SIZE);
            const idsParam = batch.map(id => `ids[]=${id}`).join('&');
            // pixivFetch navigates on each call; for subsequent batches we re-navigate,
            // which is fine — the cookie is already attached.
            const detailBody = await pixivFetch(page, `/ajax/user/${userId}/profile/illusts?${idsParam}&work_category=illustManga&is_first_page=${offset === 0 ? 1 : 0}`);
            Object.assign(allWorks, detailBody?.works || {});
        }
        return allIds
            .map((id, i) => {
            const w = allWorks[id];
            if (!w)
                return null;
            return {
                rank: i + 1,
                title: w.title || '',
                illust_id: w.id,
                pages: w.pageCount || 1,
                bookmarks: w.bookmarkCount || 0,
                tags: (w.tags || []).slice(0, 5).join(', '),
                created: (w.createDate || '').split('T')[0],
                url: 'https://www.pixiv.net/artworks/' + w.id,
            };
        })
            .filter(Boolean);
    },
});
