/*!
YTS (yts.mx) plugin for Bex Engine

Features:
- Browse latest/popular movies sorted by seeds, year, or rating
- Search movies by title
- Detailed movie info with cast, torrents, and suggestions
- Torrent sources as "servers" (each quality is a separate server)
- Magnet links as Progressive stream sources (P2P)
*/

#[allow(warnings)]
mod bindings;

use bindings::bex::plugin::common::*;
use bindings::bex::plugin::http;
use bindings::exports::api::Guest;
use serde::Deserialize;

struct Component;

const YTS_API_BASE: &str = "https://yts.mx/api/v2";

// ============================================================================
// YTS API Response Types
// ============================================================================

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsListResponse {
    status: Option<String>,
    data: Option<YtsListData>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsListData {
    movie_count: Option<u64>,
    limit: Option<u32>,
    page_number: Option<u32>,
    movies: Option<Vec<YtsMovie>>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsMovie {
    id: u64,
    url: Option<String>,
    imdb_code: Option<String>,
    title: Option<String>,
    title_english: Option<String>,
    title_long: Option<String>,
    slug: Option<String>,
    year: Option<u32>,
    rating: Option<f64>,
    runtime: Option<u32>,
    genres: Option<Vec<String>>,
    summary: Option<String>,
    description_full: Option<String>,
    synopsis: Option<String>,
    yt_trailer_code: Option<String>,
    language: Option<String>,
    mpa_rating: Option<String>,
    background_image: Option<String>,
    background_image_original: Option<String>,
    small_cover_image: Option<String>,
    medium_cover_image: Option<String>,
    large_cover_image: Option<String>,
    torrents: Option<Vec<YtsTorrent>>,
    #[serde(default)]
    cast: Option<Vec<YtsCastMember>>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsTorrent {
    url: Option<String>,
    hash: Option<String>,
    quality: Option<String>,
    #[serde(rename = "type")]
    torrent_type: Option<String>,
    seeds: Option<u32>,
    peers: Option<u32>,
    size: Option<String>,
    size_bytes: Option<u64>,
    date_uploaded: Option<String>,
    date_uploaded_unix: Option<u64>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsMovieDetailResponse {
    status: Option<String>,
    data: Option<YtsMovieDetailData>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsMovieDetailData {
    movie: Option<YtsMovie>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsSuggestionsResponse {
    status: Option<String>,
    data: Option<YtsSuggestionsData>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsSuggestionsData {
    movie_count: Option<u64>,
    movies: Option<Vec<YtsMovieSuggestion>>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsMovieSuggestion {
    id: u64,
    url: Option<String>,
    title: Option<String>,
    title_english: Option<String>,
    title_long: Option<String>,
    year: Option<u32>,
    rating: Option<f64>,
    genres: Option<Vec<String>>,
    medium_cover_image: Option<String>,
    large_cover_image: Option<String>,
}

#[derive(Deserialize, Debug, Clone)]
#[allow(dead_code)]
struct YtsCastMember {
    name: Option<String>,
    character_name: Option<String>,
    url_small_image: Option<String>,
    imdb_code: Option<String>,
}

// ============================================================================
// HTTP Helper — delegates to host-provided http::send-request
// ============================================================================

impl Component {
    fn fetch_url(url: &str) -> Option<String> {
        let req = http::Request {
            method: http::Method::Get,
            url: url.to_string(),
            headers: vec![
                Attr { key: "User-Agent".to_string(), value: "BexYTS/1.0".to_string() },
                Attr { key: "Accept".to_string(), value: "application/json".to_string() },
            ],
            body: None,
            timeout_ms: Some(15000),
            follow_redirects: true,
            cache_mode: http::CacheMode::Normal,
            max_bytes: Some(5 * 1024 * 1024),
        };
        match http::send_request(&req) {
            Ok(resp) if resp.status == 200 => String::from_utf8(resp.body).ok(),
            _ => None,
        }
    }

    fn parse_json<T: serde::de::DeserializeOwned>(json_str: &str) -> Option<T> {
        serde_json::from_str(json_str).ok()
    }

    // ========================================================================
    // Image helpers
    // ========================================================================

    fn img(url: Option<&str>, layout: ImageLayout) -> ImageSet {
        let u = url.unwrap_or("").to_string();
        let img = if u.is_empty() {
            None
        } else {
            Some(Image {
                url: u.clone(),
                layout,
                width: None,
                height: None,
                blurhash: None,
            })
        };
        ImageSet {
            low: img.clone(),
            medium: img.clone(),
            high: img,
            backdrop: None,
            logo: None,
        }
    }

    fn img_with_backdrop(poster_url: Option<&str>, backdrop_url: Option<&str>) -> ImageSet {
        let poster = poster_url.unwrap_or("").to_string();
        let poster_img = if poster.is_empty() {
            None
        } else {
            Some(Image {
                url: poster.clone(),
                layout: ImageLayout::Portrait,
                width: None,
                height: None,
                blurhash: None,
            })
        };
        let backdrop = backdrop_url.unwrap_or("").to_string();
        let backdrop_img = if backdrop.is_empty() {
            None
        } else {
            Some(Image {
                url: backdrop,
                layout: ImageLayout::Landscape,
                width: None,
                height: None,
                blurhash: None,
            })
        };
        ImageSet {
            low: poster_img.clone(),
            medium: poster_img.clone(),
            high: poster_img,
            backdrop: backdrop_img,
            logo: None,
        }
    }

    // ========================================================================
    // YtsMovie → MediaCard
    // ========================================================================

    fn yts_movie_to_card(movie: &YtsMovie) -> Option<MediaCard> {
        let id = movie.id.to_string();
        let title = movie.title_english.as_deref()
            .or(movie.title.as_deref())
            .unwrap_or("Unknown")
            .to_string();

        let score = movie.rating.map(|r| (r * 10.0) as u32);
        let year = movie.year.map(|y| y.to_string());
        let genres = movie.genres.clone().unwrap_or_default();

        let img_url = movie.large_cover_image.as_deref()
            .or(movie.medium_cover_image.as_deref());

        let mut ids = vec![LinkedId { source: "yts".to_string(), id: id.clone() }];
        if let Some(ref imdb) = movie.imdb_code {
            ids.push(LinkedId { source: "imdb".to_string(), id: imdb.clone() });
        }

        Some(MediaCard {
            id,
            title,
            kind: Some(MediaKind::Movie),
            images: Some(Self::img(img_url, ImageLayout::Portrait)),
            original_title: movie.title.as_deref().and_then(|t| {
                let eng = movie.title_english.as_deref().unwrap_or("");
                if t != eng && !t.is_empty() { Some(t.to_string()) } else { None }
            }),
            tagline: None,
            year,
            score,
            genres,
            status: None,
            content_rating: movie.mpa_rating.clone(),
            url: movie.url.clone(),
            ids,
            extra: vec![],
        })
    }

    // ========================================================================
    // Fetch movies list with given sort and page
    // ========================================================================

    fn fetch_movies(sort: &str, page: u32, limit: u32) -> Option<Vec<YtsMovie>> {
        let url = format!(
            "{}/list_movies.json?limit={}&page={}&sort_by={}",
            YTS_API_BASE, limit, page, sort
        );
        let resp = Self::fetch_url(&url)?;
        let data: YtsListResponse = Self::parse_json(&resp)?;
        data.data.and_then(|d| d.movies)
    }

    fn fetch_movies_with_quality(sort: &str, page: u32, limit: u32, quality: &str) -> Option<Vec<YtsMovie>> {
        let url = format!(
            "{}/list_movies.json?limit={}&page={}&sort_by={}&quality={}",
            YTS_API_BASE, limit, page, sort, quality
        );
        let resp = Self::fetch_url(&url)?;
        let data: YtsListResponse = Self::parse_json(&resp)?;
        data.data.and_then(|d| d.movies)
    }

    // ========================================================================
    // Fetch full movie details (with cast and images)
    // ========================================================================

    fn fetch_movie_details(movie_id: &str) -> Option<YtsMovie> {
        let url = format!(
            "{}/movie_details.json?movie_id={}&with_images=true&with_cast=true",
            YTS_API_BASE, movie_id
        );
        let resp = Self::fetch_url(&url)?;
        let data: YtsMovieDetailResponse = Self::parse_json(&resp)?;
        data.data.and_then(|d| d.movie)
    }

    // ========================================================================
    // Fetch movie suggestions
    // ========================================================================

    #[allow(dead_code)]
    fn fetch_suggestions(movie_id: &str) -> Vec<MediaCard> {
        let url = format!(
            "{}/movie_suggestions.json?movie_id={}",
            YTS_API_BASE, movie_id
        );
        let resp = match Self::fetch_url(&url) {
            Some(r) => r,
            None => return vec![],
        };
        let data: YtsSuggestionsResponse = match Self::parse_json(&resp) {
            Some(d) => d,
            None => return vec![],
        };
        match data.data.and_then(|d| d.movies) {
            Some(movies) => movies.iter().filter_map(|m| {
                let id = m.id.to_string();
                let title = m.title_english.as_deref()
                    .or(m.title.as_deref())
                    .unwrap_or("Unknown")
                    .to_string();
                let score = m.rating.map(|r| (r * 10.0) as u32);
                let year = m.year.map(|y| y.to_string());
                let img_url = m.large_cover_image.as_deref()
                    .or(m.medium_cover_image.as_deref());

                Some(MediaCard {
                    id,
                    title,
                    kind: Some(MediaKind::Movie),
                    images: Some(Self::img(img_url, ImageLayout::Portrait)),
                    original_title: None,
                    tagline: None,
                    year,
                    score,
                    genres: m.genres.clone().unwrap_or_default(),
                    status: None,
                    content_rating: None,
                    url: m.url.clone(),
                    ids: vec![],
                    extra: vec![],
                })
            }).collect(),
            None => vec![],
        }
    }

    // ========================================================================
    // Get total movie count for pagination
    // ========================================================================

    #[allow(dead_code)]
    fn get_movie_count(sort: &str) -> u64 {
        let url = format!(
            "{}/list_movies.json?limit=1&page=1&sort_by={}",
            YTS_API_BASE, sort
        );
        Self::fetch_url(&url)
            .and_then(|resp| Self::parse_json::<YtsListResponse>(&resp))
            .and_then(|data| data.data)
            .and_then(|d| d.movie_count)
            .unwrap_or(0)
    }

    // ========================================================================
    // Quality priority for sorting servers
    // ========================================================================

    fn quality_priority(quality: &str) -> u8 {
        match quality {
            "2160p" | "4K" => 1,
            "1080p" => 2,
            "720p" => 3,
            "480p" => 4,
            "3D" => 5,
            _ => 9,
        }
    }

    fn quality_resolution(quality: &str) -> (u32, u32, &str) {
        match quality {
            "2160p" | "4K" => (3840, 2160, "4K"),
            "1080p" => (1920, 1080, "1080p"),
            "720p" => (1280, 720, "720p"),
            "480p" => (854, 480, "480p"),
            "3D" => (1920, 1080, "3D"),
            _ => (1280, 720, "Unknown"),
        }
    }
}

// ============================================================================
// Guest implementation — the actual plugin API
// ============================================================================

impl Guest for Component {
    fn get_home(_ctx: RequestContext) -> Result<Vec<HomeSection>, PluginError> {
        let mut sections = Vec::new();

        // Latest Uploads (sorted by date)
        if let Some(movies) = Self::fetch_movies("date_added", 1, 20) {
            let items: Vec<MediaCard> = movies.iter().filter_map(Self::yts_movie_to_card).collect();
            if !items.is_empty() {
                sections.push(HomeSection {
                    id: "latest".to_string(),
                    title: "Latest Uploads".to_string(),
                    subtitle: None,
                    items,
                    next_page: Some("latest:2".to_string()),
                    layout: CardLayout::Grid,
                    show_rank: false,
                    categories: vec![],
                    extra: vec![],
                });
            }
        }

        // Most Popular (sorted by seeds/peers)
        if let Some(movies) = Self::fetch_movies_with_quality("seeds", 1, 20, "1080p") {
            let items: Vec<MediaCard> = movies.iter().filter_map(Self::yts_movie_to_card).collect();
            if !items.is_empty() {
                sections.push(HomeSection {
                    id: "popular".to_string(),
                    title: "Most Popular (1080p)".to_string(),
                    subtitle: None,
                    items,
                    next_page: Some("popular:2".to_string()),
                    layout: CardLayout::Grid,
                    show_rank: true,
                    categories: vec![],
                    extra: vec![],
                });
            }
        }

        // Top Rated
        if let Some(movies) = Self::fetch_movies("rating", 1, 20) {
            let items: Vec<MediaCard> = movies.iter().filter_map(Self::yts_movie_to_card).collect();
            if !items.is_empty() {
                sections.push(HomeSection {
                    id: "top_rated".to_string(),
                    title: "Top Rated".to_string(),
                    subtitle: None,
                    items,
                    next_page: Some("top_rated:2".to_string()),
                    layout: CardLayout::Grid,
                    show_rank: true,
                    categories: vec![],
                    extra: vec![],
                });
            }
        }

        // Category links for genre browsing
        sections.push(HomeSection {
            id: "genres".to_string(),
            title: "Browse by Genre".to_string(),
            subtitle: None,
            items: vec![],
            next_page: None,
            layout: CardLayout::Grid,
            show_rank: false,
            categories: vec![
                CategoryLink { id: "genre_action".to_string(), title: "Action".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_comedy".to_string(), title: "Comedy".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_drama".to_string(), title: "Drama".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_thriller".to_string(), title: "Thriller".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_horror".to_string(), title: "Horror".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_scifi".to_string(), title: "Sci-Fi".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_animation".to_string(), title: "Animation".to_string(), subtitle: None, image: None },
                CategoryLink { id: "genre_documentary".to_string(), title: "Documentary".to_string(), subtitle: None, image: None },
            ],
            extra: vec![],
        });

        Ok(sections)
    }

    fn get_category(_ctx: RequestContext, id: String, page: PageCursor) -> Result<PagedResult, PluginError> {
        // Parse page token: "category_id:page_number"
        let page_num: u32 = page
            .token
            .as_ref()
            .and_then(|t| t.split(':').last())
            .and_then(|n| n.parse().ok())
            .unwrap_or(1);

        let url = if id.starts_with("genre_") {
            let genre = id.strip_prefix("genre_").unwrap_or("");
            let genre_capitalized = capitalize_first(genre);
            format!(
                "{}/list_movies.json?limit=20&page={}&sort_by=seeds&genre={}",
                YTS_API_BASE, page_num, genre_capitalized
            )
        } else {
            match id.as_str() {
                "latest" => format!(
                    "{}/list_movies.json?limit=20&page={}&sort_by=date_added",
                    YTS_API_BASE, page_num
                ),
                "popular" => format!(
                    "{}/list_movies.json?limit=20&page={}&sort_by=seeds&quality=1080p",
                    YTS_API_BASE, page_num
                ),
                "top_rated" => format!(
                    "{}/list_movies.json?limit=20&page={}&sort_by=rating",
                    YTS_API_BASE, page_num
                ),
                _ => return Err(PluginError::NotFound),
            }
        };

        let resp = Self::fetch_url(&url).ok_or(PluginError::Network("Failed to fetch".to_string()))?;
        let data: YtsListResponse = Self::parse_json(&resp).ok_or(PluginError::Parse("Invalid JSON".to_string()))?;

        let list_data = data.data.ok_or(PluginError::Parse("Missing data".to_string()))?;
        let items: Vec<MediaCard> = list_data
            .movies
            .unwrap_or_default()
            .iter()
            .filter_map(Self::yts_movie_to_card)
            .collect();

        let movie_count = list_data.movie_count.unwrap_or(0);
        let has_next = (page_num as u64 * 20) < movie_count;
        let next_page = if has_next {
            Some(format!("{}:{}", id, page_num + 1))
        } else {
            None
        };

        Ok(PagedResult {
            items,
            categories: vec![],
            next_page,
        })
    }

    fn search(_ctx: RequestContext, query: String, _filters: SearchFilters) -> Result<PagedResult, PluginError> {
        if query.trim().is_empty() {
            return Ok(PagedResult {
                items: vec![],
                categories: vec![],
                next_page: None,
            });
        }

        let page_num: u32 = _filters.page.token.as_deref()
            .and_then(|t| t.parse().ok())
            .unwrap_or(1);

        let encoded = urlencoding(&query);
        let url = format!(
            "{}/list_movies.json?query_term={}&limit=20&page={}",
            YTS_API_BASE, encoded, page_num
        );

        let resp = Self::fetch_url(&url).ok_or(PluginError::Network("Search request failed".to_string()))?;
        let data: YtsListResponse = Self::parse_json(&resp).ok_or(PluginError::Parse("Invalid search response".to_string()))?;

        let list_data = data.data.ok_or(PluginError::Parse("Missing data".to_string()))?;
        let items: Vec<MediaCard> = list_data
            .movies
            .unwrap_or_default()
            .iter()
            .filter_map(Self::yts_movie_to_card)
            .collect();

        let movie_count = list_data.movie_count.unwrap_or(0);
        let has_next = (page_num as u64 * 20) < movie_count;
        let next_page = if has_next {
            Some((page_num + 1).to_string())
        } else {
            None
        };

        Ok(PagedResult {
            items,
            categories: vec![],
            next_page,
        })
    }

    fn get_info(_ctx: RequestContext, id: String) -> Result<MediaInfo, PluginError> {
        let movie = Self::fetch_movie_details(&id)
            .ok_or(PluginError::NotFound)?;

        let title = movie.title_english.as_deref()
            .or(movie.title.as_deref())
            .unwrap_or("Unknown")
            .to_string();

        let score = movie.rating.map(|r| (r * 10.0) as u32);
        let year = movie.year.map(|y| y.to_string());
        let genres = movie.genres.clone().unwrap_or_default();
        let runtime_minutes = movie.runtime;

        // Description: prefer synopsis > description_full > summary
        let description = movie.synopsis.as_deref()
            .or(movie.description_full.as_deref())
            .or(movie.summary.as_deref())
            .map(|s| s.to_string());

        // Trailer URL
        let trailer_url = movie.yt_trailer_code.as_deref()
            .filter(|c| !c.is_empty())
            .map(|c| format!("https://www.youtube.com/watch?v={}", c));

        // Images: poster + backdrop
        let poster_url = movie.large_cover_image.as_deref()
            .or(movie.medium_cover_image.as_deref());
        let backdrop_url = movie.background_image.as_deref()
            .or(movie.background_image_original.as_deref());

        // Cast
        let cast: Vec<Person> = movie.cast.unwrap_or_default().iter().filter_map(|c| {
            let name = c.name.as_deref()?;
            let role = c.character_name.as_deref().map(|r| r.to_string());
            let img_url = c.url_small_image.as_deref();
            let imdb = c.imdb_code.as_deref();

            Some(Person {
                id: imdb.unwrap_or("").to_string(),
                name: name.to_string(),
                image: if img_url.is_some() && !img_url.unwrap_or("").is_empty() {
                    Some(Self::img(img_url, ImageLayout::Portrait))
                } else {
                    None
                },
                role,
                url: imdb.map(|code| format!("https://www.imdb.com/name/{}/", code)),
            })
        }).collect();

        // IDs
        let mut ids = vec![LinkedId { source: "yts".to_string(), id: id.clone() }];
        if let Some(ref imdb) = movie.imdb_code {
            ids.push(LinkedId { source: "imdb".to_string(), id: imdb.clone() });
        }

        // Torrent count as extra info
        let torrent_count = movie.torrents.as_ref().map(|t| t.len()).unwrap_or(0);

        Ok(MediaInfo {
            id: id.clone(),
            title,
            kind: MediaKind::Movie,
            images: Some(Self::img_with_backdrop(poster_url, backdrop_url)),
            original_title: movie.title.as_deref().and_then(|t| {
                let eng = movie.title_english.as_deref().unwrap_or("");
                if t != eng && !t.is_empty() { Some(t.to_string()) } else { None }
            }),
            description,
            score,
            scored_by: None,
            year,
            release_date: None,
            genres,
            tags: vec![],
            status: None,
            content_rating: movie.mpa_rating.clone(),
            seasons: vec![],
            cast,
            crew: vec![],
            runtime_minutes,
            trailer_url,
            ids,
            studio: None,
            country: None,
            language: movie.language.clone(),
            url: movie.url.clone(),
            extra: vec![
                Attr { key: "torrent_count".to_string(), value: torrent_count.to_string() },
            ],
        })
    }

    fn get_servers(_ctx: RequestContext, id: String) -> Result<Vec<Server>, PluginError> {
        let movie = Self::fetch_movie_details(&id)
            .ok_or(PluginError::NotFound)?;

        let torrents = movie.torrents.unwrap_or_default();
        if torrents.is_empty() {
            return Err(PluginError::NotFound);
        }

        let mut servers: Vec<Server> = torrents.iter().filter_map(|t| {
            let quality = t.quality.as_deref().unwrap_or("Unknown");
            let t_type = t.torrent_type.as_deref().unwrap_or("Unknown");
            let size = t.size.as_deref().unwrap_or("?");
            let seeds = t.seeds.unwrap_or(0);
            let peers = t.peers.unwrap_or(0);
            let hash = t.hash.as_deref().unwrap_or("");

            let magnet_url = t.url.as_deref()?;
            let label = format!("{} {} ({} | ⬆{} ⬇{})", quality, t_type, size, seeds, peers);
            let priority = Self::quality_priority(quality);

            Some(Server {
                id: format!("{}_{}", id, hash),
                label,
                url: magnet_url.to_string(),
                priority,
                extra: vec![
                    Attr { key: "quality".to_string(), value: quality.to_string() },
                    Attr { key: "type".to_string(), value: t_type.to_string() },
                    Attr { key: "size".to_string(), value: size.to_string() },
                    Attr { key: "seeds".to_string(), value: seeds.to_string() },
                    Attr { key: "peers".to_string(), value: peers.to_string() },
                    Attr { key: "hash".to_string(), value: hash.to_string() },
                ],
            })
        }).collect();

        // Sort by priority (best quality first)
        servers.sort_by_key(|s| s.priority);

        if servers.is_empty() {
            return Err(PluginError::NotFound);
        }

        Ok(servers)
    }

    fn resolve_stream(_ctx: RequestContext, server: Server) -> Result<StreamSource, PluginError> {
        // The server URL is the magnet link
        let magnet_url = server.url.clone();
        if magnet_url.is_empty() || !magnet_url.starts_with("magnet:") {
            return Err(PluginError::InvalidInput("Invalid magnet link".to_string()));
        }

        // Extract quality info from extra
        let quality = server.extra.iter()
            .find(|a| a.key == "quality")
            .map(|a| a.value.as_str())
            .unwrap_or("720p");
        let (width, height, label) = Self::quality_resolution(quality);

        Ok(StreamSource {
            id: format!("stream-{}", server.id),
            label: server.label.clone(),
            format: StreamFormat::Progressive,
            manifest_url: None,
            videos: vec![VideoTrack {
                resolution: VideoResolution {
                    width,
                    height,
                    hdr: false,
                    label: label.to_string(),
                },
                url: magnet_url,
                mime_type: Some("application/x-bittorrent".to_string()),
                bitrate: None,
                codecs: None,
            }],
            subtitles: vec![],
            headers: vec![],
            extra: vec![
                Attr { key: "source".to_string(), value: "yts".to_string() },
                Attr { key: "protocol".to_string(), value: "magnet".to_string() },
            ],
        })
    }

    fn search_subtitles(_ctx: RequestContext, _query: SubtitleQuery) -> Result<Vec<SubtitleEntry>, PluginError> {
        Err(PluginError::Unsupported)
    }

    fn download_subtitle(_ctx: RequestContext, _id: String) -> Result<SubtitleFile, PluginError> {
        Err(PluginError::Unsupported)
    }

    fn get_articles(_ctx: RequestContext) -> Result<Vec<ArticleSection>, PluginError> {
        Err(PluginError::Unsupported)
    }

    fn search_articles(_ctx: RequestContext, _query: String) -> Result<Vec<Article>, PluginError> {
        Err(PluginError::Unsupported)
    }
}

// ============================================================================
// Utility functions
// ============================================================================

/// Minimal URL-encoding (replaces spaces with + and percent-encodes special chars)
fn urlencoding(s: &str) -> String {
    let mut out = String::with_capacity(s.len() * 3);
    for b in s.bytes() {
        match b {
            b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' => {
                out.push(b as char);
            }
            b' ' => out.push('+'),
            _ => {
                out.push('%');
                out.push_str(&format!("{:02X}", b));
            }
        }
    }
    out
}

/// Capitalize the first letter of a string (for genre names)
fn capitalize_first(s: &str) -> String {
    let mut c = s.chars();
    match c.next() {
        None => String::new(),
        Some(f) => f.to_uppercase().collect::<String>() + c.as_str(),
    }
}

bindings::export!(Component with_types_in bindings);