"""CLI entry point for twitter-cli.

Read commands:
    twitter feed                      # home timeline (For You)
    twitter feed -t following         # following feed
    twitter bookmarks                 # bookmarks
    twitter search "query"            # search tweets
    twitter search "query" --from user  # advanced search
    twitter user elonmusk             # user profile
    twitter user-posts elonmusk       # user tweets
    twitter likes elonmusk            # user likes
    twitter tweet <id>                # tweet detail + replies
    twitter article <id>              # Twitter Article as Markdown
    twitter list <id>                 # list timeline
    twitter followers <handle>        # followers list
    twitter following <handle>        # following list
    twitter whoami                    # current user profile

Write commands:
    twitter post "text"               # post a tweet
    twitter reply <id> "text"         # reply to a tweet
    twitter quote <id> "text"         # quote-tweet
    twitter delete <id>               # delete a tweet
    twitter like/unlike <id>          # like/unlike
    twitter bookmark/unbookmark <id>  # bookmark/unbookmark
    twitter retweet/unretweet <id>    # retweet/unretweet
    twitter follow/unfollow <handle>  # follow/unfollow
"""

from __future__ import annotations

import logging
import os
import re
import inspect
import sys
import time
import urllib.parse
from pathlib import Path
from typing import Any, Callable, Dict, List, Optional

import click
from rich.console import Console

from . import __version__
from .auth import get_cookies
from .client import TwitterClient
from .config import load_config
from .filter import filter_tweets
from .formatter import (
    article_to_markdown,
    print_filter_stats,
    print_article,
    print_tweet_detail,
    print_tweet_table,
    print_user_profile,
    print_user_table,
)
from .models import Tweet, UserProfile
from .output import (
    default_structured_format,
    emit_error,
    emit_structured,
    error_payload,
    structured_output_options,
    success_payload,
    use_rich_output,
)
from .serialization import (
    tweet_to_dict,
    tweets_from_json,
    tweets_to_data,
    tweets_to_compact_json,
    tweets_to_json,
    user_profile_to_dict,
    users_to_data,
)

ConfigDict = Dict[str, Any]
TweetList = List[Tweet]
FetchTweets = Callable[[int], TweetList]
OptionalPath = Optional[str]
StructuredMode = Optional[str]
WritePayload = Dict[str, Any]
WriteOperation = Callable[[TwitterClient], WritePayload]

logger = logging.getLogger(__name__)
console = Console(stderr=True)
FEED_TYPES = ["for-you", "following"]
SEARCH_PRODUCTS = ["Top", "Latest", "Photos", "Videos"]
SEARCH_HAS_CHOICES = ["links", "images", "videos", "media"]
SEARCH_EXCLUDE_CHOICES = ["retweets", "replies", "links"]


def _agent_user_profile(profile: UserProfile) -> dict:
    """Normalize a Twitter/X profile for structured agent output."""
    data = user_profile_to_dict(profile)
    return {
        "id": data["id"],
        "name": data["name"],
        "username": data["screenName"],
        "screenName": data["screenName"],
        "bio": data["bio"],
        "location": data["location"],
        "url": data["url"],
        "followers": data["followers"],
        "following": data["following"],
        "tweets": data["tweets"],
        "likes": data["likes"],
        "verified": data["verified"],
        "profileImageUrl": data["profileImageUrl"],
        "createdAt": data["createdAt"],
    }


def _setup_logging(verbose):
    # type: (bool) -> None
    level = logging.DEBUG if verbose else logging.WARNING
    logging.basicConfig(
        level=level,
        format="%(levelname)s %(name)s: %(message)s",
        stream=sys.stderr,
    )


def _load_tweets_from_json(path):
    # type: (str) -> List[Tweet]
    """Load tweets from a JSON file (previously exported)."""
    file_path = Path(path)
    if not file_path.exists():
        raise RuntimeError("Input file not found: %s" % path)

    try:
        raw = file_path.read_text(encoding="utf-8")
        return tweets_from_json(raw)
    except (ValueError, OSError) as exc:
        raise RuntimeError("Invalid tweet JSON file %s: %s" % (path, exc))


def _get_client(config=None, quiet=False):
    # type: (Optional[Dict[str, Any]], bool) -> TwitterClient
    """Create an authenticated API client."""
    if not quiet:
        console.print("\n🔐 Getting Twitter cookies...")
    cookies = get_cookies()
    rate_limit_config = (config or {}).get("rateLimit")
    return TwitterClient(
        cookies["auth_token"],
        cookies["ct0"],
        rate_limit_config,
        cookie_string=cookies.get("cookie_string"),
    )


def _get_client_for_output(config=None, quiet=False):
    # type: (Optional[Dict[str, Any]], bool) -> TwitterClient
    """Call _get_client while staying compatible with monkeypatched legacy signatures."""
    try:
        signature = inspect.signature(_get_client)
    except (TypeError, ValueError):
        signature = None

    if signature and "quiet" in signature.parameters:
        return _get_client(config, quiet=quiet)
    return _get_client(config)


def _exit_with_error(exc):
    # type: (RuntimeError) -> None
    if emit_error(_error_code_for_message(str(exc)), str(exc)):
        sys.exit(1)
    console.print("[red]❌ %s[/red]" % exc)
    sys.exit(1)


def _run_guarded(action):
    # type: (Callable[[], Any]) -> Any
    try:
        return action()
    except RuntimeError as exc:
        _exit_with_error(exc)


def _error_code_for_message(message):
    # type: (str) -> str
    lowered = message.lower()
    if "cookie expired" in lowered or "no twitter cookies found" in lowered or "invalid cookie" in lowered:
        return "not_authenticated"
    if "rate limited" in lowered or "http 429" in lowered:
        return "rate_limited"
    if "invalid tweet" in lowered or "required" in lowered or "--max must" in lowered:
        return "invalid_input"
    if "not found" in lowered:
        return "not_found"
    return "api_error"


def _resolve_fetch_count(max_count, configured):
    # type: (Optional[int], int) -> int
    """Resolve fetch count with bounds checks."""
    if max_count is not None:
        if max_count <= 0:
            raise RuntimeError("--max must be greater than 0")
        return max_count
    return max(configured, 1)


def _resolve_configured_count(config, max_count):
    # type: (dict, Optional[int]) -> int
    return _resolve_fetch_count(max_count, config.get("fetch", {}).get("count", 50))


def _normalize_tweet_id(value):
    # type: (str) -> str
    """Extract a numeric tweet ID from raw input or a full X/Twitter URL."""
    raw = value.strip()
    if not raw:
        raise RuntimeError("Tweet ID or URL is required")

    parsed = urllib.parse.urlparse(raw)
    candidate = raw
    if parsed.scheme and parsed.netloc:
        path = parsed.path.rstrip("/")
        match = re.search(r"/(?:status|article)/(\d+)$", path)
        if not match:
            raise RuntimeError("Invalid tweet URL: %s" % value)
        candidate = match.group(1)
    else:
        candidate = raw.rstrip("/").split("/")[-1]
        candidate = candidate.split("?", 1)[0].split("#", 1)[0]

    if not candidate.isdigit():
        raise RuntimeError("Invalid tweet ID: %s" % value)
    return candidate


def _apply_filter(tweets, do_filter, config, rich_output=True):
    # type: (List[Tweet], bool, dict, bool) -> List[Tweet]
    """Optionally apply tweet filtering."""
    if not do_filter:
        return tweets
    filter_config = config.get("filter", {})
    original_count = len(tweets)
    filtered = filter_tweets(tweets, filter_config)
    if rich_output:
        print_filter_stats(original_count, filtered, console)
        console.print()
    return filtered


def _structured_mode(as_json: bool, as_yaml: bool) -> StructuredMode:
    return default_structured_format(as_json=as_json, as_yaml=as_yaml)


def _emit_mode_payload(payload: object, mode: StructuredMode) -> bool:
    if not mode:
        return False
    emit_structured(payload, as_json=(mode == "json"), as_yaml=(mode == "yaml"))
    return True


def _print_lines(lines: List[str], mode: StructuredMode) -> None:
    if mode:
        return
    for line in lines:
        console.print(line)


def _handle_structured_runtime_error(
    exc: RuntimeError,
    *,
    mode: StructuredMode,
    details: Optional[Dict[str, Any]] = None,
) -> None:
    if _emit_mode_payload(
        error_payload(_error_code_for_message(str(exc)), str(exc), details=details),
        mode,
    ):
        raise SystemExit(1) from None
    _exit_with_error(exc)


def _run_write_command(
    *,
    as_json: bool,
    as_yaml: bool,
    operation: WriteOperation,
    progress_lines: Optional[List[str]] = None,
    success_lines: Optional[List[str]] = None,
    error_details: Optional[Dict[str, Any]] = None,
) -> Optional[WritePayload]:
    mode = _structured_mode(as_json=as_json, as_yaml=as_yaml)
    try:
        client = _get_client(load_config())
        _print_lines(progress_lines or [], mode)
        payload = operation(client)
    except RuntimeError as exc:
        _handle_structured_runtime_error(exc, mode=mode, details=error_details)
        return None

    if _emit_mode_payload(payload, mode):
        return payload

    _print_lines(success_lines or ["[green]✅ Done.[/green]"], mode)
    return payload


@click.group()
@click.option("--verbose", "-v", is_flag=True, help="Enable debug logging.")
@click.option("--compact", "-c", is_flag=True, help="Compact output (minimal fields, LLM-friendly).")
@click.version_option(version=__version__)
@click.pass_context
def cli(ctx, verbose, compact):
    # type: (Any, bool, bool) -> None
    """twitter — Twitter/X CLI tool 🐦"""
    _setup_logging(verbose)
    ctx.ensure_object(dict)
    ctx.obj["compact"] = compact


def _fetch_and_display(fetch_fn, label, emoji, max_count, as_json, as_yaml, output_file, do_filter, config=None, compact=False, full_text=False):
    # type: (Any, str, str, Optional[int], bool, bool, Optional[str], bool, Optional[dict], bool, bool) -> None
    """Common fetch-filter-display logic for timeline-like commands."""
    if config is None:
        config = load_config()
    rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
    try:
        fetch_count = _resolve_configured_count(config, max_count)
        if rich_output:
            console.print("%s Fetching %s (%d tweets)...\n" % (emoji, label, fetch_count))
        start = time.time()
        tweets = fetch_fn(fetch_count)
        elapsed = time.time() - start
        if rich_output:
            console.print("✅ Fetched %d %s in %.1fs\n" % (len(tweets), label, elapsed))
    except RuntimeError as exc:
        _exit_with_error(exc)

    filtered = _apply_filter(tweets, do_filter, config, rich_output=rich_output)

    if output_file:
        Path(output_file).write_text(tweets_to_json(filtered), encoding="utf-8")
        if rich_output:
            console.print("💾 Saved to %s\n" % output_file)

    if compact:
        click.echo(tweets_to_compact_json(filtered))
        return

    if emit_structured(tweets_to_data(filtered), as_json=as_json, as_yaml=as_yaml):
        return

    print_tweet_table(
        filtered,
        console,
        title="%s %s — %d tweets" % (emoji, label, len(filtered)),
        full_text=full_text,
    )
    console.print()


def _run_bookmarks_command(max_count, as_json, as_yaml, output_file, do_filter, compact=False, full_text=False):
    # type: (Optional[int], bool, bool, Optional[str], bool, bool, bool) -> None
    config = load_config()

    def _run():
        client = _get_client(config)
        _fetch_and_display(
            lambda count: client.fetch_bookmarks(count),
            "bookmarks",
            "🔖",
            max_count,
            as_json,
            as_yaml,
            output_file,
            do_filter,
            config,
            compact=compact,
            full_text=full_text,
        )

    _run_guarded(_run)


@cli.command()
@click.option(
    "--type",
    "-t",
    "feed_type",
    type=click.Choice(FEED_TYPES),
    default="for-you",
    help="Feed type: for-you (algorithmic) or following (chronological).",
)
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--input", "-i", "input_file", type=str, default=None, help="Load tweets from JSON file.")
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save filtered tweets to JSON file.")
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def feed(ctx, feed_type, max_count, as_json, as_yaml, input_file, output_file, do_filter, full_text):
    # type: (Any, str, Optional[int], bool, bool, Optional[str], Optional[str], bool, bool) -> None
    """Fetch home timeline with optional filtering."""
    compact = ctx.obj.get("compact", False)
    rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
    config = load_config()
    try:
        if input_file:
            if rich_output:
                console.print("📂 Loading tweets from %s..." % input_file)
            tweets = _load_tweets_from_json(input_file)
            if rich_output:
                console.print("   Loaded %d tweets" % len(tweets))
        else:
            fetch_count = _resolve_configured_count(config, max_count)
            client = _get_client_for_output(config, quiet=not rich_output)
            label = "following feed" if feed_type == "following" else "home timeline"
            if rich_output:
                console.print("📡 Fetching %s (%d tweets)...\n" % (label, fetch_count))
            start = time.time()
            if feed_type == "following":
                tweets = client.fetch_following_feed(fetch_count)
            else:
                tweets = client.fetch_home_timeline(fetch_count)
            elapsed = time.time() - start
            if rich_output:
                console.print("✅ Fetched %d tweets in %.1fs\n" % (len(tweets), elapsed))
    except RuntimeError as exc:
        _exit_with_error(exc)

    filtered = _apply_filter(tweets, do_filter, config, rich_output=rich_output)

    if output_file:
        Path(output_file).write_text(tweets_to_json(filtered), encoding="utf-8")
        if rich_output:
            console.print("💾 Saved filtered tweets to %s\n" % output_file)

    if compact:
        click.echo(tweets_to_compact_json(filtered))
        return

    if emit_structured(tweets_to_data(filtered), as_json=as_json, as_yaml=as_yaml):
        return

    title = "👥 Following" if feed_type == "following" else "📱 Twitter"
    title += " — %d tweets" % len(filtered)
    print_tweet_table(filtered, console, title=title, full_text=full_text)
    console.print()


@cli.command()
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save tweets to JSON file.")
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def favorites(ctx, max_count, as_json, as_yaml, output_file, do_filter, full_text):
    # type: (Any, Optional[int], bool, bool, Optional[str], bool, bool) -> None
    """Fetch bookmarked (favorite) tweets."""
    _run_bookmarks_command(
        max_count,
        as_json,
        as_yaml,
        output_file,
        do_filter,
        compact=ctx.obj.get("compact", False),
        full_text=full_text,
    )


@cli.command(name="bookmarks")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save tweets to JSON file.")
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def bookmarks(ctx, max_count, as_json, as_yaml, output_file, do_filter, full_text):
    # type: (Any, Optional[int], bool, bool, Optional[str], bool, bool) -> None
    """Fetch bookmarked tweets."""
    _run_bookmarks_command(
        max_count,
        as_json,
        as_yaml,
        output_file,
        do_filter,
        compact=ctx.obj.get("compact", False),
        full_text=full_text,
    )


@cli.command()
@click.argument("screen_name")
@structured_output_options
def user(screen_name, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """View a user's profile. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")
    config = load_config()
    try:
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching user @%s..." % screen_name)
        profile = client.fetch_user(screen_name)
    except RuntimeError as exc:
        _exit_with_error(exc)

    if not emit_structured(user_profile_to_dict(profile), as_json=as_json, as_yaml=as_yaml):
        console.print()
        print_user_profile(profile, console)


@cli.command("user-posts")
@click.argument("screen_name")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save tweets to JSON file.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def user_posts(ctx, screen_name, max_count, as_json, as_yaml, output_file, full_text):
    # type: (Any, str, int, bool, bool, Optional[str], bool) -> None
    """List a user's tweets. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")
    compact = ctx.obj.get("compact", False)
    config = load_config()
    def _run():
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching @%s's profile..." % screen_name)
        profile = client.fetch_user(screen_name)
        _fetch_and_display(
            lambda count: client.fetch_user_tweets(profile.id, count),
            "@%s tweets" % screen_name, "📝", max_count, as_json, as_yaml, output_file, False, config,
            compact=compact, full_text=full_text,
        )
    _run_guarded(_run)


@cli.command()
@click.argument("query", default="")
@click.option(
    "--type",
    "-t",
    "product",
    type=click.Choice(SEARCH_PRODUCTS, case_sensitive=False),
    default="Top",
    help="Search tab: Top, Latest, Photos, or Videos.",
)
@click.option("--from", "from_user", type=str, default=None, help="Only tweets from this user.")
@click.option("--to", "to_user", type=str, default=None, help="Only tweets directed at this user.")
@click.option("--lang", type=str, default=None, help="Filter by language (ISO code, e.g. en, fr, ja).")
@click.option("--since", type=str, default=None, help="Tweets since date (YYYY-MM-DD).")
@click.option("--until", type=str, default=None, help="Tweets until date (YYYY-MM-DD).")
@click.option(
    "--has",
    type=click.Choice(SEARCH_HAS_CHOICES, case_sensitive=False),
    multiple=True,
    help="Require content type (links, images, videos, media). Repeatable.",
)
@click.option(
    "--exclude",
    type=click.Choice(SEARCH_EXCLUDE_CHOICES, case_sensitive=False),
    multiple=True,
    help="Exclude content type (retweets, replies, links). Repeatable.",
)
@click.option("--min-likes", type=click.IntRange(min=0), default=None, help="Minimum number of likes.")
@click.option("--min-retweets", type=click.IntRange(min=0), default=None, help="Minimum number of retweets.")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save tweets to JSON file.")
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def search(ctx, query, product, from_user, to_user, lang, since, until, has, exclude, min_likes, min_retweets, max_count, as_json, as_yaml, output_file, do_filter, full_text):
    # type: (Any, str, str, Optional[str], Optional[str], Optional[str], Optional[str], Optional[str], tuple, tuple, Optional[int], Optional[int], int, bool, bool, Optional[str], bool, bool) -> None
    """Search tweets by QUERY string with optional advanced filters.

    QUERY is the search keywords (optional when using advanced filters).

    Advanced search examples:

    \b
      twitter search "python" --from elonmusk
      twitter search "AI" --lang en --since 2026-01-01
      twitter search "rust" --has links --min-likes 100
      twitter search --from bbc --exclude retweets
    """
    from .search import build_search_query

    try:
        composed_query = build_search_query(
            query,
            from_user=from_user,
            to_user=to_user,
            lang=lang,
            since=since,
            until=until,
            has=list(has) if has else None,
            exclude=list(exclude) if exclude else None,
            min_likes=min_likes,
            min_retweets=min_retweets,
        )
    except ValueError as exc:
        raise click.UsageError(str(exc)) from exc
    if not composed_query:
        raise click.UsageError("Provide a QUERY or at least one advanced filter (e.g. --from, --lang).")

    compact = ctx.obj.get("compact", False)
    config = load_config()
    def _run():
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
        client = _get_client_for_output(config, quiet=not rich_output)
        _fetch_and_display(
            lambda count: client.fetch_search(composed_query, count, product),
            "'%s' (%s)" % (composed_query, product), "🔍", max_count, as_json, as_yaml, output_file, do_filter, config,
            compact=compact, full_text=full_text,
        )
    _run_guarded(_run)


@cli.command()
@click.argument("screen_name")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max number of tweets to fetch.")
@structured_output_options
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save tweets to JSON file.")
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def likes(ctx, screen_name, max_count, as_json, as_yaml, output_file, do_filter, full_text):
    # type: (Any, str, int, bool, bool, Optional[str], bool, bool) -> None
    """Show tweets liked by a user. SCREEN_NAME is the @handle (without @).

    NOTE: Twitter/X made all likes private since June 2024. You can only view
    your own likes. Querying another user's likes will return empty results.
    """
    screen_name = screen_name.lstrip("@")
    compact = ctx.obj.get("compact", False)
    config = load_config()
    def _run():
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching @%s's profile..." % screen_name)
        profile = client.fetch_user(screen_name)

        # Warn if querying another user's likes (Twitter made likes private since June 2024)
        try:
            me = client.fetch_me()
            if me.screen_name.lower() != screen_name.lower():
                if rich_output:
                    console.print(
                        "\n[yellow]⚠️  Twitter/X made all likes private since June 2024. "
                        "You can only view your own likes. "
                        "Querying @%s's likes will likely return empty results.[/yellow]\n" % screen_name
                    )
                else:
                    logger.warning(
                        "Twitter/X made likes private (June 2024). "
                        "Only your own likes are visible. @%s's likes will likely be empty.",
                        screen_name,
                    )
        except Exception:
            pass  # Don't block the command if whoami fails

        _fetch_and_display(
            lambda count: client.fetch_user_likes(profile.id, count),
            "@%s likes" % screen_name, "❤️", max_count, as_json, as_yaml, output_file, do_filter, config,
            compact=compact, full_text=full_text,
        )
    _run_guarded(_run)


@cli.command()
@click.argument("tweet_id")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max replies to fetch.")
@click.option("--full-text", is_flag=True, help="Show full reply text in table output.")
@structured_output_options
@click.pass_context
def tweet(ctx, tweet_id, max_count, full_text, as_json, as_yaml):
    # type: (Any, str, int, bool, bool, bool) -> None
    """View a tweet and its replies. TWEET_ID is the numeric tweet ID or full URL."""
    compact = ctx.obj.get("compact", False)
    tweet_id = _normalize_tweet_id(tweet_id)
    config = load_config()
    rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=compact)
    try:
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("🐦 Fetching tweet %s...\n" % tweet_id)
        start = time.time()
        tweets = client.fetch_tweet_detail(tweet_id, _resolve_configured_count(config, max_count))
        elapsed = time.time() - start
        if rich_output:
            console.print("✅ Fetched %d tweets in %.1fs\n" % (len(tweets), elapsed))
    except RuntimeError as exc:
        _exit_with_error(exc)

    if compact:
        click.echo(tweets_to_compact_json(tweets))
        return

    if emit_structured(tweets_to_data(tweets), as_json=as_json, as_yaml=as_yaml):
        return

    if tweets:
        print_tweet_detail(tweets[0], console)
        if len(tweets) > 1:
            console.print("\n💬 Replies:")
            print_tweet_table(tweets[1:], console, title="💬 Replies — %d" % (len(tweets) - 1), full_text=full_text)
    console.print()


@cli.command()
@click.argument("tweet_id")
@structured_output_options
@click.option("--markdown", "-m", "as_markdown", is_flag=True, help="Output article as Markdown.")
@click.option("--output", "-o", "output_file", type=str, default=None, help="Save article Markdown to file.")
@click.pass_context
def article(ctx, tweet_id, as_json, as_yaml, as_markdown, output_file):
    # type: (Any, str, bool, bool, bool, Optional[str]) -> None
    """Fetch a Twitter Article. TWEET_ID is the numeric tweet ID or full URL."""
    compact = ctx.obj.get("compact", False)
    if compact:
        raise click.UsageError("`twitter article` does not support --compact. Use --markdown or --output.")
    if as_markdown and (as_json or as_yaml):
        raise click.UsageError("Use only one of --markdown, --json, or --yaml.")

    tweet_id = _normalize_tweet_id(tweet_id)
    config = load_config()
    rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml, compact=False) and not as_markdown
    try:
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("📰 Fetching article %s...\n" % tweet_id)
        start = time.time()
        article_tweet = client.fetch_article(tweet_id)
        elapsed = time.time() - start
        if rich_output:
            console.print("✅ Fetched article in %.1fs\n" % elapsed)
    except RuntimeError as exc:
        _exit_with_error(exc)

    markdown = article_to_markdown(article_tweet)
    if output_file:
        Path(output_file).write_text(markdown, encoding="utf-8")
        if rich_output:
            console.print("💾 Saved article Markdown to %s\n" % output_file)

    if as_markdown:
        click.echo(markdown, nl=False)
        return
    if emit_structured(tweet_to_dict(article_tweet), as_json=as_json, as_yaml=as_yaml):
        return

    print_article(article_tweet, console)
    console.print()


@cli.command(name="list")
@click.argument("list_id")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max tweets to fetch.")
@structured_output_options
@click.option("--filter", "do_filter", is_flag=True, help="Enable score-based filtering.")
@click.option("--full-text", is_flag=True, help="Show full tweet text in table output.")
@click.pass_context
def list_timeline(ctx, list_id, max_count, as_json, as_yaml, do_filter, full_text):
    # type: (Any, str, int, bool, bool, bool, bool) -> None
    """Fetch tweets from a Twitter List. LIST_ID is the numeric list ID."""
    compact = ctx.obj.get("compact", False)
    config = load_config()
    def _run():
        client = _get_client(config)
        _fetch_and_display(
            lambda count: client.fetch_list_timeline(list_id, count),
            "list %s" % list_id, "📋", max_count, as_json, as_yaml, None, do_filter, config,
            compact=compact, full_text=full_text,
        )
    _run_guarded(_run)


@cli.command()
@click.argument("screen_name")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max users to fetch.")
@structured_output_options
def followers(screen_name, max_count, as_json, as_yaml):
    # type: (str, int, bool, bool) -> None
    """List followers of a user. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")
    config = load_config()
    try:
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching @%s's profile..." % screen_name)
        profile = client.fetch_user(screen_name)
        fetch_count = _resolve_configured_count(config, max_count)
        if rich_output:
            console.print("👥 Fetching followers (%d)...\n" % fetch_count)
        start = time.time()
        users = client.fetch_followers(profile.id, fetch_count)
        elapsed = time.time() - start
        if rich_output:
            console.print("✅ Fetched %d followers in %.1fs\n" % (len(users), elapsed))
    except RuntimeError as exc:
        _exit_with_error(exc)

    if emit_structured(users_to_data(users), as_json=as_json, as_yaml=as_yaml):
        return

    print_user_table(users, console, title="👥 @%s followers — %d" % (screen_name, len(users)))
    console.print()


@cli.command()
@click.argument("screen_name")
@click.option("--max", "-n", "max_count", type=int, default=None, help="Max users to fetch.")
@structured_output_options
def following(screen_name, max_count, as_json, as_yaml):
    # type: (str, int, bool, bool) -> None
    """List accounts a user is following. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")
    config = load_config()
    try:
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching @%s's profile..." % screen_name)
        profile = client.fetch_user(screen_name)
        fetch_count = _resolve_configured_count(config, max_count)
        if rich_output:
            console.print("👥 Fetching following (%d)...\n" % fetch_count)
        start = time.time()
        users = client.fetch_following(profile.id, fetch_count)
        elapsed = time.time() - start
        if rich_output:
            console.print("✅ Fetched %d following in %.1fs\n" % (len(users), elapsed))
    except RuntimeError as exc:
        _exit_with_error(exc)

    if emit_structured(users_to_data(users), as_json=as_json, as_yaml=as_yaml):
        return

    print_user_table(users, console, title="👥 @%s following — %d" % (screen_name, len(users)))
    console.print()


# ── Write commands ──────────────────────────────────────────────────────

def _write_action(emoji, action_desc, client_method, tweet_id, as_json=False, as_yaml=False):
    # type: (str, str, str, str, bool, bool) -> None
    """Generic write action helper to reduce CLI command boilerplate.

    Emits structured JSON/YAML when piped or when OUTPUT env is set.
    """
    action_name = action_desc.lower().replace(" ", "_")

    def operation(client: TwitterClient) -> WritePayload:
        getattr(client, client_method)(tweet_id)
        return {"success": True, "action": action_name, "id": tweet_id}

    _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["%s %s %s..." % (emoji, action_desc, tweet_id)],
        success_lines=["[green]✅ Done.[/green]"],
        error_details={"action": action_name, "id": tweet_id},
    )


@cli.command()
@click.argument("text")
@click.option("--reply-to", "-r", default=None, help="Reply to this tweet ID.")
@structured_output_options
def post(text, reply_to, as_json, as_yaml):
    # type: (str, Optional[str], bool, bool) -> None
    """Post a new tweet. TEXT is the tweet content."""
    action = "Replying to %s" % reply_to if reply_to else "Posting tweet"

    def operation(client: TwitterClient) -> WritePayload:
        tweet_id = client.create_tweet(text, reply_to_id=reply_to)
        return {"success": True, "action": "post", "id": tweet_id, "url": "https://x.com/i/status/%s" % tweet_id}

    payload = _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["✏️  %s..." % action],
        success_lines=["[green]✅ Tweet posted![/green]"],
        error_details={"action": "post", "replyTo": reply_to},
    )
    if payload and not _structured_mode(as_json=as_json, as_yaml=as_yaml):
        console.print("🔗 %s" % payload["url"])


@cli.command(name="reply")
@click.argument("tweet_id")
@click.argument("text")
@structured_output_options
def reply_tweet(tweet_id, text, as_json, as_yaml):
    # type: (str, str, bool, bool) -> None
    """Reply to a tweet. TWEET_ID is the tweet to reply to, TEXT is the reply content."""
    tweet_id = _normalize_tweet_id(tweet_id)
    def operation(client: TwitterClient) -> WritePayload:
        new_id = client.create_tweet(text, reply_to_id=tweet_id)
        return {
            "success": True,
            "action": "reply",
            "id": new_id,
            "replyTo": tweet_id,
            "url": "https://x.com/i/status/%s" % new_id,
        }

    payload = _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["💬 Replying to %s..." % tweet_id],
        success_lines=["[green]✅ Reply posted![/green]"],
        error_details={"action": "reply", "replyTo": tweet_id},
    )
    if payload and not _structured_mode(as_json=as_json, as_yaml=as_yaml):
        console.print("🔗 %s" % payload["url"])


@cli.command(name="quote")
@click.argument("tweet_id")
@click.argument("text")
@structured_output_options
def quote_tweet(tweet_id, text, as_json, as_yaml):
    # type: (str, str, bool, bool) -> None
    """Quote-tweet a tweet. TWEET_ID is the tweet to quote, TEXT is the commentary."""
    tweet_id = _normalize_tweet_id(tweet_id)
    def operation(client: TwitterClient) -> WritePayload:
        new_id = client.quote_tweet(tweet_id, text)
        return {
            "success": True,
            "action": "quote",
            "id": new_id,
            "quotedId": tweet_id,
            "url": "https://x.com/i/status/%s" % new_id,
        }

    payload = _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["🔄 Quoting tweet %s..." % tweet_id],
        success_lines=["[green]✅ Quote tweet posted![/green]"],
        error_details={"action": "quote", "quotedId": tweet_id},
    )
    if payload and not _structured_mode(as_json=as_json, as_yaml=as_yaml):
        console.print("🔗 %s" % payload["url"])


@cli.command(name="status")
@structured_output_options
def status(as_json, as_yaml):
    # type: (bool, bool) -> None
    """Check whether the current Twitter/X session is authenticated."""
    config = load_config()
    try:
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml)
        client = _get_client_for_output(config, quiet=not rich_output)
        profile = client.fetch_me()
    except RuntimeError as exc:
        payload = error_payload("not_authenticated", str(exc))
        if emit_structured(payload, as_json=as_json, as_yaml=as_yaml):
            sys.exit(1)
        _exit_with_error(exc)
        return

    payload = success_payload({"authenticated": True, "user": _agent_user_profile(profile)})
    if emit_structured(payload, as_json=as_json, as_yaml=as_yaml):
        return

    console.print("[green]✅ Authenticated.[/green]")
    console.print("👤 @%s" % profile.screen_name)


@cli.command(name="whoami")
@structured_output_options
def whoami(as_json, as_yaml):
    # type: (bool, bool) -> None
    """Show the currently authenticated user's profile."""
    config = load_config()
    try:
        rich_output = use_rich_output(as_json=as_json, as_yaml=as_yaml)
        client = _get_client_for_output(config, quiet=not rich_output)
        if rich_output:
            console.print("👤 Fetching current user...")
        profile = client.fetch_me()
    except RuntimeError as exc:
        if emit_structured(error_payload("not_authenticated", str(exc)), as_json=as_json, as_yaml=as_yaml):
            raise SystemExit(1) from None
        _exit_with_error(exc)

    if not emit_structured(success_payload({"user": _agent_user_profile(profile)}), as_json=as_json, as_yaml=as_yaml):
        console.print()
        print_user_profile(profile, console)


@cli.command(name="follow")
@click.argument("screen_name")
@structured_output_options
def follow_user(screen_name, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Follow a user. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")

    def operation(client: TwitterClient) -> WritePayload:
        user_id = client.resolve_user_id(screen_name)
        client.follow_user(user_id)
        return {"success": True, "action": "follow", "screenName": screen_name, "userId": user_id}

    _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["👤 Looking up @%s..." % screen_name, "➕ Following @%s..." % screen_name],
        success_lines=["[green]✅ Now following @%s[/green]" % screen_name],
        error_details={"action": "follow", "screenName": screen_name},
    )


@cli.command(name="unfollow")
@click.argument("screen_name")
@structured_output_options
def unfollow_user(screen_name, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Unfollow a user. SCREEN_NAME is the @handle (without @)."""
    screen_name = screen_name.lstrip("@")

    def operation(client: TwitterClient) -> WritePayload:
        user_id = client.resolve_user_id(screen_name)
        client.unfollow_user(user_id)
        return {"success": True, "action": "unfollow", "screenName": screen_name, "userId": user_id}

    _run_write_command(
        as_json=as_json,
        as_yaml=as_yaml,
        operation=operation,
        progress_lines=["👤 Looking up @%s..." % screen_name, "➖ Unfollowing @%s..." % screen_name],
        success_lines=["[green]✅ Unfollowed @%s[/green]" % screen_name],
        error_details={"action": "unfollow", "screenName": screen_name},
    )


@cli.command(name="delete")
@click.argument("tweet_id")
@click.confirmation_option(prompt="Are you sure you want to delete this tweet?")
@structured_output_options
def delete_tweet(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Delete a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("🗑️", "Deleting tweet", "delete_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def like(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Like a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("❤️", "Liking tweet", "like_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def unlike(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Unlike a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("💔", "Unliking tweet", "unlike_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def retweet(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Retweet a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("🔄", "Retweeting", "retweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def unretweet(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Undo a retweet. TWEET_ID is the numeric tweet ID."""
    _write_action("🔄", "Undoing retweet", "unretweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def favorite(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Bookmark (favorite) a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("🔖", "Bookmarking tweet", "bookmark_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def bookmark(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Bookmark a tweet. TWEET_ID is the numeric tweet ID."""
    _write_action("🔖", "Bookmarking tweet", "bookmark_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def unfavorite(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Remove a tweet from bookmarks (unfavorite). TWEET_ID is the numeric tweet ID."""
    _write_action("🔖", "Removing bookmark", "unbookmark_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command()
@click.argument("tweet_id")
@structured_output_options
def unbookmark(tweet_id, as_json, as_yaml):
    # type: (str, bool, bool) -> None
    """Remove a tweet from bookmarks. TWEET_ID is the numeric tweet ID."""
    _write_action("🔖", "Removing bookmark", "unbookmark_tweet", tweet_id, as_json=as_json, as_yaml=as_yaml)


@cli.command(name="doctor")
@structured_output_options
def doctor(as_json, as_yaml):
    # type: (bool, bool) -> None
    """Run diagnostics for cookie extraction and authentication.

    Useful for troubleshooting auth issues and for pasting into bug reports.
    """
    import platform

    from .auth import (
        _diagnose_keychain_issues,
        _extract_in_process,
        _extract_via_subprocess,
        load_from_env,
        verify_cookies,
    )

    info: Dict[str, Any] = {}
    mode = _structured_mode(as_json=as_json, as_yaml=as_yaml)

    # -- System info --
    info["version"] = __version__
    info["python"] = sys.version.split()[0]
    info["platform"] = platform.platform()
    info["os"] = sys.platform

    # -- Environment --
    is_ssh = bool(
        os.environ.get("SSH_CLIENT")
        or os.environ.get("SSH_TTY")
        or os.environ.get("SSH_CONNECTION")
    )
    info["ssh_session"] = is_ssh
    info["env_auth_token_set"] = bool(os.environ.get("TWITTER_AUTH_TOKEN"))
    info["env_ct0_set"] = bool(os.environ.get("TWITTER_CT0"))
    info["chrome_profile_override"] = os.environ.get("TWITTER_CHROME_PROFILE", "")

    # -- Cookie extraction --
    env_cookies = load_from_env()
    info["env_cookies"] = "found" if env_cookies else "not set"

    # In-process extraction
    in_proc_cookies, in_proc_diag = _extract_in_process()
    info["in_process"] = {
        "status": "ok" if in_proc_cookies else "failed",
        "diagnostics": in_proc_diag,
    }

    # Subprocess extraction
    sub_cookies, sub_diag = _extract_via_subprocess()
    info["subprocess"] = {
        "status": "ok" if sub_cookies else "failed",
        "diagnostics": sub_diag,
    }

    # Combined diagnostics
    all_diag = in_proc_diag + sub_diag
    cookies = in_proc_cookies or sub_cookies or env_cookies

    # Keychain hint
    hint = _diagnose_keychain_issues(all_diag)
    if hint:
        info["keychain_hint"] = hint

    # Verification
    if cookies:
        try:
            result = verify_cookies(
                cookies["auth_token"],
                cookies["ct0"],
                cookies.get("cookie_string"),
            )
            info["verification"] = "ok"
            info["screen_name"] = result.get("screen_name", "")
        except RuntimeError as exc:
            info["verification"] = "failed: %s" % exc
    else:
        info["verification"] = "skipped (no cookies)"

    # -- Output --
    if _emit_mode_payload(info, mode):
        return

    console.print("\n🩺 [bold]twitter-cli doctor[/bold]\n")
    console.print("  Version:      %s" % info["version"])
    console.print("  Python:       %s" % info["python"])
    console.print("  Platform:     %s" % info["platform"])
    console.print("  SSH session:  %s" % ("yes ⚠️" if is_ssh else "no"))
    console.print()

    console.print("[bold]Environment:[/bold]")
    console.print("  TWITTER_AUTH_TOKEN: %s" % ("set ✅" if info["env_auth_token_set"] else "not set"))
    console.print("  TWITTER_CT0:        %s" % ("set ✅" if info["env_ct0_set"] else "not set"))
    if info["chrome_profile_override"]:
        console.print("  TWITTER_CHROME_PROFILE: %s" % info["chrome_profile_override"])
    console.print()

    console.print("[bold]Cookie Extraction:[/bold]")
    in_status = info["in_process"]["status"]
    console.print(
        "  In-process:   %s" % ("[green]ok ✅[/green]" if in_status == "ok" else "[red]failed ❌[/red]")
    )
    for d in info["in_process"]["diagnostics"]:
        console.print("    [dim]• %s[/dim]" % d)

    sub_status = info["subprocess"]["status"]
    console.print(
        "  Subprocess:   %s" % ("[green]ok ✅[/green]" if sub_status == "ok" else "[red]failed ❌[/red]")
    )
    for d in info["subprocess"]["diagnostics"]:
        console.print("    [dim]• %s[/dim]" % d)
    console.print()

    if hint:
        console.print("[yellow]💡 Hint:[/yellow]")
        for line in hint.splitlines():
            console.print("  [yellow]%s[/yellow]" % line)
        console.print()

    v = info["verification"]
    if v == "ok":
        screen = info.get("screen_name", "")
        console.print("[green]✅ Authentication: OK[/green]%s" % (" (@%s)" % screen if screen else ""))
    elif v.startswith("failed"):
        console.print("[red]❌ Authentication: %s[/red]" % v)
    else:
        console.print("[yellow]⚠️  Authentication: %s[/yellow]" % v)
    console.print()


if __name__ == "__main__":
    cli()