import { AuthRequiredError, CommandExecutionError } from '@jackwener/opencli/errors';
import { cli, Strategy } from '@jackwener/opencli/registry';
import { resolveTwitterQueryId, extractMedia, extractCard, extractQuotedTweet, describeTwitterApiError } from './shared.js';
import { TWITTER_BEARER_TOKEN, applyTopByEngagement } from './utils.js';
// ── Twitter GraphQL constants ──────────────────────────────────────────
const HOME_TIMELINE_QUERY_ID = 'c-CzHF1LboFilMpsx4ZCrQ';
const HOME_LATEST_TIMELINE_QUERY_ID = 'BKB7oi212Fi7kQtCBGE4zA';
const MAX_PAGINATION_PAGES = 100;
// Endpoint config: for-you uses GET HomeTimeline, following uses POST HomeLatestTimeline
const TIMELINE_ENDPOINTS = {
    'for-you': { endpoint: 'HomeTimeline', method: 'GET', fallbackQueryId: HOME_TIMELINE_QUERY_ID },
    following: { endpoint: 'HomeLatestTimeline', method: 'POST', fallbackQueryId: HOME_LATEST_TIMELINE_QUERY_ID },
};
const FEATURES = {
    rweb_video_screen_enabled: false,
    profile_label_improvements_pcf_label_in_post_enabled: true,
    rweb_tipjar_consumption_enabled: true,
    verified_phone_label_enabled: false,
    creator_subscriptions_tweet_preview_api_enabled: true,
    responsive_web_graphql_timeline_navigation_enabled: true,
    responsive_web_graphql_skip_user_profile_image_extensions_enabled: false,
    premium_content_api_read_enabled: false,
    communities_web_enable_tweet_community_results_fetch: true,
    c9s_tweet_anatomy_moderator_badge_enabled: true,
    responsive_web_grok_analyze_button_fetch_trends_enabled: false,
    responsive_web_grok_analyze_post_followups_enabled: true,
    responsive_web_jetfuel_frame: false,
    responsive_web_grok_share_attachment_enabled: true,
    articles_preview_enabled: true,
    responsive_web_edit_tweet_api_enabled: true,
    graphql_is_translatable_rweb_tweet_is_translatable_enabled: true,
    view_counts_everywhere_api_enabled: true,
    longform_notetweets_consumption_enabled: true,
    responsive_web_twitter_article_tweet_consumption_enabled: true,
    tweet_awards_web_tipping_enabled: false,
    responsive_web_grok_show_grok_translated_post: false,
    responsive_web_grok_analysis_button_from_backend: false,
    creator_subscriptions_quote_tweet_preview_enabled: false,
    freedom_of_speech_not_reach_fetch_enabled: true,
    standardized_nudges_misinfo: true,
    tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled: true,
    longform_notetweets_rich_text_read_enabled: true,
    longform_notetweets_inline_media_enabled: true,
    responsive_web_grok_image_annotation_enabled: true,
    responsive_web_enhance_cards_enabled: false,
};
function buildTimelineVariables(type, count, cursor) {
    const vars = {
        count,
        includePromotedContent: false,
        latestControlAvailable: true,
        requestContext: 'launch',
    };
    if (type === 'for-you')
        vars.withCommunity = true;
    if (type === 'following')
        vars.seenTweetIds = [];
    if (cursor)
        vars.cursor = cursor;
    return vars;
}
function buildHomeTimelineUrl(queryId, endpoint, vars) {
    return (`/i/api/graphql/${queryId}/${endpoint}` +
        `?variables=${encodeURIComponent(JSON.stringify(vars))}` +
        `&features=${encodeURIComponent(JSON.stringify(FEATURES))}`);
}
function extractTweet(result, seen) {
    if (!result)
        return null;
    const tw = result.tweet || result;
    const l = tw.legacy || {};
    if (!tw.rest_id || seen.has(tw.rest_id))
        return null;
    seen.add(tw.rest_id);
    const u = tw.core?.user_results?.result;
    const screenName = u?.legacy?.screen_name || u?.core?.screen_name || 'unknown';
    const bio = u?.legacy?.description || '';
    const noteText = tw.note_tweet?.note_tweet_results?.result?.text;
    const views = tw.views?.count ? parseInt(tw.views.count, 10) : 0;
    return {
        id: tw.rest_id,
        author: screenName,
        bio,
        text: noteText || l.full_text || '',
        likes: l.favorite_count || 0,
        retweets: l.retweet_count || 0,
        replies: l.reply_count || 0,
        views,
        created_at: l.created_at || '',
        url: `https://x.com/${screenName}/status/${tw.rest_id}`,
        ...extractMedia(l),
        card: extractCard(tw),
        quoted_tweet: extractQuotedTweet(tw),
    };
}
function parseHomeTimeline(data, seen) {
    const tweets = [];
    let nextCursor = null;
    // Both HomeTimeline and HomeLatestTimeline share the same response envelope
    const instructions = data?.data?.home?.home_timeline_urt?.instructions || [];
    for (const inst of instructions) {
        for (const entry of inst.entries || []) {
            const c = entry.content;
            // Cursor entries
            if (c?.entryType === 'TimelineTimelineCursor' || c?.__typename === 'TimelineTimelineCursor') {
                if (c.cursorType === 'Bottom')
                    nextCursor = c.value;
                continue;
            }
            if (entry.entryId?.startsWith('cursor-bottom-')) {
                nextCursor = c?.value || nextCursor;
                continue;
            }
            // Single tweet entry
            const tweetResult = c?.itemContent?.tweet_results?.result;
            if (tweetResult) {
                // Skip promoted content
                if (c?.itemContent?.promotedMetadata)
                    continue;
                const tw = extractTweet(tweetResult, seen);
                if (tw)
                    tweets.push(tw);
                continue;
            }
            // Conversation module (grouped tweets)
            for (const item of c?.items || []) {
                const nested = item.item?.itemContent?.tweet_results?.result;
                if (nested) {
                    if (item.item?.itemContent?.promotedMetadata)
                        continue;
                    const tw = extractTweet(nested, seen);
                    if (tw)
                        tweets.push(tw);
                }
            }
        }
    }
    return { tweets, nextCursor };
}
// ── CLI definition ────────────────────────────────────────────────────
cli({
    site: 'twitter',
    name: 'timeline',
    access: 'read',
    description: 'Fetch the logged-in user\'s home timeline (for-you algorithmic feed by default; pass --type following for the chronological feed of accounts you follow)',
    domain: 'x.com',
    strategy: Strategy.COOKIE,
    browser: true,
    args: [
        {
            name: 'type',
            default: 'for-you',
            choices: ['for-you', 'following'],
            help: 'Which home-timeline feed to read. Default for-you (algorithmic). Use following for the chronological feed of accounts you follow.',
        },
        { name: 'limit', type: 'int', default: 20, help: 'Maximum number of tweets to return (default 20).' },
        { name: 'top-by-engagement', type: 'int', default: 0, help: 'When set to N>0, re-rank the timeline by weighted engagement (likes×1 + retweets×3 + replies×2 + bookmarks×5 + log10(views+1)×0.5) and return the top N. Default 0 keeps X\'s native ordering.' },
    ],
    columns: ['id', 'author', 'bio', 'text', 'likes', 'retweets', 'replies', 'views', 'created_at', 'url', 'has_media', 'media_urls', 'media_posters', 'card', 'quoted_tweet'],
    func: async (page, kwargs) => {
        const limit = kwargs.limit || 20;
        const timelineType = kwargs.type === 'following' ? 'following' : 'for-you';
        const { endpoint, method, fallbackQueryId } = TIMELINE_ENDPOINTS[timelineType];
        // Cookie context auto-established by framework pre-nav (Strategy.COOKIE + domain).
        // Read CSRF token directly from the cookie store via CDP — zero page.evaluate round-trip.
        const cookies = await page.getCookies({ url: 'https://x.com' });
        const ct0 = cookies.find((c) => c.name === 'ct0')?.value || null;
        if (!ct0)
            throw new AuthRequiredError('x.com', 'Not logged into x.com (no ct0 cookie)');
        // Dynamically resolve queryId for the selected endpoint
        const queryId = await resolveTwitterQueryId(page, endpoint, fallbackQueryId);
        // Build auth headers
        const headers = JSON.stringify({
            Authorization: `Bearer ${decodeURIComponent(TWITTER_BEARER_TOKEN)}`,
            'X-Csrf-Token': ct0,
            'X-Twitter-Auth-Type': 'OAuth2Session',
            'X-Twitter-Active-User': 'yes',
        });
        // Paginate — fetch in browser, parse in TypeScript
        const allTweets = [];
        const seen = new Set();
        let cursor = null;
        // Runaway guard only; --limit and cursor exhaustion control normal pagination.
        for (let i = 0; i < MAX_PAGINATION_PAGES && allTweets.length < limit; i++) {
            const fetchCount = Math.min(40, limit - allTweets.length + 5); // over-fetch slightly for promoted filtering
            const variables = buildTimelineVariables(timelineType, fetchCount, cursor);
            const apiUrl = buildHomeTimelineUrl(queryId, endpoint, variables);
            const data = await page.evaluate(`async () => {
        const r = await fetch("${apiUrl}", { method: "${method}", headers: ${headers}, credentials: 'include' });
        return r.ok ? await r.json() : { error: r.status };
      }`);
            if (data?.error) {
                if (allTweets.length === 0)
                    throw new CommandExecutionError(describeTwitterApiError(endpoint, data.error));
                break;
            }
            const { tweets, nextCursor } = parseHomeTimeline(data, seen);
            allTweets.push(...tweets);
            if (!nextCursor || nextCursor === cursor)
                break;
            cursor = nextCursor;
        }
        const trimmed = allTweets.slice(0, limit);
        return applyTopByEngagement(trimmed, kwargs['top-by-engagement']);
    },
});
export const __test__ = {
    buildTimelineVariables,
    buildHomeTimelineUrl,
    parseHomeTimeline,
};
