steam-user 0.1.0

//! Market operation services.

use std::{collections::HashMap, sync::OnceLock};

use regex::Regex;
use scraper::{Html, Selector};

use crate::{
    client::SteamUser,
    endpoint::steam_endpoint,
    error::SteamUserError,
    services::account::parse_wallet_balance,
    types::{AppId, AssetId, BoosterPackEntry, BoosterResult, EconItem, GemResult, GemValue, ItemNameId, ItemOrdersHistogramResponse, MarketHistoryListing, MarketHistoryResponse, MarketListing, MarketRestrictions, SellItemResult, WalletBalance},
};

static LISTING_ID_RE: OnceLock<Regex> = OnceLock::new();
static HOVER_RE: OnceLock<Regex> = OnceLock::new();
static LISTING_ROW_RE: OnceLock<Regex> = OnceLock::new();
static BOOSTER_DATA_RE: OnceLock<Regex> = OnceLock::new();
static ITEM_NAMEID_RE: OnceLock<Regex> = OnceLock::new();

fn get_listing_id_re() -> &'static Regex {
    LISTING_ID_RE.get_or_init(|| Regex::new(r"history_row_(.*?)_").expect("Invalid regex"))
}

fn get_hover_re() -> &'static Regex {
    HOVER_RE.get_or_init(|| Regex::new(r"CreateItemHoverFromContainer\s*\(\s*g_rgAssets\s*,\s*'([^']+)'\s*,\s*(\d+)\s*,\s*'(\d+)'\s*,\s*'(\d+)'\s*,\s*(\d+)\s*\)").expect("Invalid regex"))
}

fn get_listing_row_re() -> &'static Regex {
    LISTING_ROW_RE.get_or_init(|| Regex::new(r"history_row_(\d+)_").expect("Invalid regex"))
}

fn get_booster_data_re() -> &'static Regex {
    BOOSTER_DATA_RE.get_or_init(|| Regex::new(r"CBoosterCreatorPage\.Init\(\s*\d+\s*,\s*(\[.+?\])\s*,").expect("Invalid regex"))
}

fn get_item_nameid_re() -> &'static Regex {
    ITEM_NAMEID_RE.get_or_init(|| Regex::new(r"Market_LoadOrderSpread\(\s*(\d+)\s*\)").expect("Invalid regex"))
}

/// Normalize whitespace in strings similar to JS StringUtils.cleanSpace
fn clean_space(text: &str) -> String {
    text.split_whitespace().collect::<Vec<_>>().join(" ")
}

/// Extract a hex color from a CSS style string.
/// e.g. `parse_style_hex_color("border-color: #5e98d9;background-color:
/// #2f363e;", "border-color")` → `"5e98d9"`
fn parse_style_hex_color(style: &str, property: &str) -> String {
    // Try "property: #hex" or "property:#hex"
    for sep in &[": #", ":#"] {
        let needle = format!("{}{}", property, sep);
        if let Some(start) = style.find(&needle) {
            let rest = &style[start + needle.len()..];
            let end = rest.find(|c: char| !c.is_ascii_hexdigit()).unwrap_or(rest.len());
            let hex = &rest[..end];
            if !hex.is_empty() {
                return hex.to_string();
            }
        }
    }
    String::new()
}

impl SteamUser {
    /// Retrieves the gem value of a specific Steam inventory item.
    ///
    /// # Arguments
    ///
    /// * `appid` - The App ID of the item.
    /// * `assetid` - The unique asset ID of the item in the user's inventory.
    #[steam_endpoint(GET, host = Community, path = "/auction/ajaxgetgoovalue/", kind = Read)]
    pub async fn get_gem_value(&self, appid: AppId, assetid: AssetId) -> Result<GemValue, SteamUserError> {
        let response: serde_json::Value = self.post_path("/auction/ajaxgetgoovalue/").form(&[("appid", appid.to_string().as_str()), ("contextid", "6"), ("assetid", assetid.to_string().as_str())]).send().await?.json().await?;

        Self::check_json_success(&response, "Failed to get gem value")?;

        let prompt_title = response.get("strTitle").and_then(|v| v.as_str()).unwrap_or("").to_string();
        let gem_value = response.get("goo_value").and_then(|v| v.as_str()).and_then(|s| s.parse::<u32>().ok()).unwrap_or(0);

        Ok(GemValue { prompt_title, gem_value })
    }

    /// Converts a Steam inventory item into gems (Goo).
    ///
    /// # Arguments
    ///
    /// * `appid` - The App ID of the item.
    /// * `assetid` - The unique asset ID of the item.
    /// * `expected_value` - The expected gem value (usually obtained from
    ///   [`Self::get_gem_value`]).
    #[steam_endpoint(POST, host = Community, path = "/auction/ajaxgrindintogoo/", kind = Write)]
    pub async fn turn_item_into_gems(&self, appid: AppId, assetid: AssetId, expected_value: u32) -> Result<GemResult, SteamUserError> {
        let response: serde_json::Value = self.post_path("/auction/ajaxgrindintogoo/").form(&[("appid", appid.to_string().as_str()), ("contextid", "6"), ("assetid", assetid.to_string().as_str()), ("goo_value_expected", expected_value.to_string().as_str())]).send().await?.json().await?;

        Self::check_json_success(&response, "Failed to turn item into gems")?;

        let gems_received = response.get("goo_value_received ").and_then(|v| v.as_str()).and_then(|s| s.parse::<u32>().ok()).unwrap_or(0);

        let total_gems = u32::try_from(response.get("goo_value_total").and_then(|v| v.as_i64()).unwrap_or(0)).unwrap_or(u32::MAX);

        Ok(GemResult { gems_received, total_gems })
    }

    /// Unpacks a Steam booster pack.
    ///
    /// # Arguments
    ///
    /// * `appid` - The App ID of the game for the booster pack.
    /// * `assetid` - The unique asset ID of the booster pack in your inventory.
    #[steam_endpoint(POST, host = Community, path = "/auction/ajaxunpackbooster/", kind = Write)]
    pub async fn open_booster_pack(&self, appid: AppId, assetid: AssetId) -> Result<Vec<EconItem>, SteamUserError> {
        let response: serde_json::Value = self.post_path("/auction/ajaxunpackbooster/").form(&[("appid", appid.to_string().as_str()), ("communityitemid", assetid.to_string().as_str())]).send().await?.json().await?;

        Self::check_json_success(&response, "Failed to open booster pack")?;

        // Response contains items array, but usually detailed item processing is needed
        // For simplicity we return basic info if available, or just success
        // Note: The response field name for items depends on API version somewhat

        // This part needs more detailed EconItem construction similar to inventory
        // For now, let's assume it is successful and return empty list until we
        // implement full item parsing from this specific endpoint specific
        // format

        Ok(vec![])
    }

    /// Creates a booster pack for the specified game using Steam gems.
    ///
    /// # Arguments
    ///
    /// * `appid` - The App ID of the game to create a booster for.
    /// * `use_untradable_gems` - If `true`, untradable gems will be used first.
    #[steam_endpoint(POST, host = Community, path = "/tradingcards/ajaxcreatebooster/", kind = Write)]
    pub async fn create_booster_pack(&self, appid: AppId, use_untradable_gems: bool) -> Result<BoosterResult, SteamUserError> {
        let pref = if use_untradable_gems { "3" } else { "2" };
        let appid_str = appid.to_string();
        let response: serde_json::Value = self.post_path("/tradingcards/ajaxcreatebooster/").form(&[("appid", appid_str.as_str()), ("series", "1"), ("tradability_preference", pref)]).send().await?.json().await?;

        Self::check_json_success(&response, "Failed to create booster pack")?;

        Ok(BoosterResult {
            total_gems: response.get("goo_amount").and_then(|v| v.as_str()).and_then(|s| s.parse().ok()).unwrap_or(0),
            tradable_gems: response.get("tradable_goo_amount").and_then(|v| v.as_str()).and_then(|s| s.parse().ok()).unwrap_or(0),
            untradable_gems: response.get("untradable_goo_amount").and_then(|v| v.as_str()).and_then(|s| s.parse().ok()).unwrap_or(0),
            result_item: response.get("purchase_result").cloned().unwrap_or(serde_json::Value::Null),
        })
    }

    /// Retrieves the booster pack catalog for the authenticated user.
    ///
    /// Returns a list of games for which the user is eligible to create booster
    /// packs, including the gem cost and next available creation time.
    #[steam_endpoint(GET, host = Community, path = "/tradingcards/boostersearch/", kind = Read)]
    pub async fn get_booster_pack_catalog(&self) -> Result<Vec<BoosterPackEntry>, SteamUserError> {
        let response = self.get_path("/tradingcards/boostersearch/").send().await?.text().await?;

        let caps = get_booster_data_re().captures(&response).ok_or_else(|| SteamUserError::MalformedResponse("Could not find booster pack data in response".to_string()))?;

        let json_str = caps.get(1).map(|m| m.as_str()).unwrap_or("[]");
        let catalog: Vec<BoosterPackEntry> = serde_json::from_str(json_str)?;

        Ok(catalog)
    }

    /// Retrieves the currently active market listings for the authenticated
    /// user.
    ///
    /// # Arguments
    ///
    /// * `start` - The starting index (offset) for results.
    /// * `count` - The number of results to fetch (max 100).
    ///
    /// # Returns
    ///
    /// Returns a tuple containing:
    /// - `Vec<MarketListing>`: The list of active market listings.
    /// - `Vec<serde_json::Value>`: Associated asset data for the listed items.
    /// - `u32`: Total number of active listings on Steam (for pagination).
    #[steam_endpoint(GET, host = Community, path = "/market/mylistings/render/", kind = Read)]
    pub async fn get_my_listings(&self, start: u32, count: u32) -> Result<(Vec<MarketListing>, Vec<serde_json::Value>, u32), SteamUserError> {
        let url = format!("https://steamcommunity.com/market/mylistings/render/?start={}&count={}", start, count);
        let text = self.get_with_manual_redirects(&url).await?;
        let response = serde_json::from_str::<serde_json::Value>(&text)?;

        let success_val = response.get("success");
        let is_success = success_val.and_then(|v| v.as_bool()).unwrap_or(false) || success_val.and_then(|v| v.as_i64()) == Some(1);
        if !is_success {
            return Err(SteamUserError::MalformedResponse("Failed to fetch market listings".to_string()));
        }

        let total_count = u32::try_from(response.get("total_count").and_then(|v| v.as_u64()).unwrap_or(0)).unwrap_or(u32::MAX);

        let html = response.get("results_html").and_then(|v| v.as_str()).unwrap_or("");
        let list = parse_market_listings(html)?;

        let assets_val = response.get("assets").cloned().unwrap_or_default();
        let mut assets = Vec::new();
        if let Some(apps) = assets_val.as_object() {
            for app_assets in apps.values() {
                if let Some(contexts) = app_assets.as_object() {
                    for context_assets in contexts.values() {
                        if let Some(items) = context_assets.as_object() {
                            for item in items.values() {
                                assets.push(item.clone());
                            }
                        }
                    }
                }
            }
        }

        Ok((list, assets, total_count))
    }

    /// Retrieves the market transaction history for the authenticated user.
    ///
    /// # Arguments
    ///
    /// * `start` - The starting index (offset) for results.
    /// * `count` - The number of results to fetch (max 100).
    #[steam_endpoint(GET, host = Community, path = "/market/myhistory/render/", kind = Read)]
    pub async fn get_market_history(&self, start: u32, count: u32) -> Result<MarketHistoryResponse, SteamUserError> {
        let url = format!("https://steamcommunity.com/market/myhistory/render/?query=&start={}&count={}", start, count);
        let text = self.get_with_manual_redirects(&url).await?;
        let response = serde_json::from_str::<serde_json::Value>(&text)?;

        let success_val = response.get("success");
        let is_success = success_val.and_then(|v| v.as_bool()).unwrap_or(false) || success_val.and_then(|v| v.as_i64()) == Some(1);
        if !is_success {
            return Err(SteamUserError::MalformedResponse("Failed to fetch market history".to_string()));
        }

        let hovers_html = response.get("hovers").and_then(|v| v.as_str()).unwrap_or("");
        let asset_by_listing = extract_asset_items_from_hovers(hovers_html);

        let html = response.get("results_html").and_then(|v| v.as_str()).unwrap_or("");
        let list = parse_market_history_listings(html, &asset_by_listing)?;

        let assets_val = response.get("assets").cloned().unwrap_or_default();
        let mut assets = Vec::new();
        if let Some(apps) = assets_val.as_object() {
            for app_assets in apps.values() {
                if let Some(contexts) = app_assets.as_object() {
                    for context_assets in contexts.values() {
                        if let Some(items) = context_assets.as_object() {
                            for item in items.values() {
                                assets.push(item.clone());
                            }
                        }
                    }
                }
            }
        }

        let total_count = u32::try_from(response.get("total_count").and_then(|v| v.as_u64()).unwrap_or(0)).unwrap_or(u32::MAX);

        Ok(MarketHistoryResponse { success: true, list, assets, total_count, start, count })
    }

    /// Lists an item for sale on the Steam Community Market.
    ///
    /// # Arguments
    ///
    /// * `price` - The price the SELLER receives, in cents (currency × 100).
    ///   For VND: 10,000₫ seller-receive → `price = 1_000_000`.
    #[steam_endpoint(POST, host = Community, path = "/market/sellitem", kind = Write)]
    pub async fn sell_item(&self, appid: crate::types::AppId, contextid: crate::types::ContextId, assetid: crate::types::AssetId, amount: crate::types::Amount, price: crate::types::PriceCents) -> Result<SellItemResult, SteamUserError> {
        let my_steam_id = self.session.get_steam_id().steam_id64().to_string();
        let appid_str = appid.to_string();
        let contextid_str = contextid.to_string();
        let assetid_str = assetid.to_string();
        let amount_str = amount.to_string();
        let price_str = price.to_string();

        let response: serde_json::Value = self.post_path("/market/sellitem").form(&[("appid", &appid_str), ("contextid", &contextid_str), ("assetid", &assetid_str), ("amount", &amount_str), ("price", &price_str)]).header("Referer", format!("https://steamcommunity.com/profiles/{}/inventory/", my_steam_id)).send().await?.json().await?;

        let success = response.get("success").and_then(|v| v.as_bool()).unwrap_or(false);
        let error = response.get("message").and_then(|v| v.as_str()).map(|s| s.to_string());

        Ok(SellItemResult {
            success,
            requires_confirmation: response.get("requires_confirmation").and_then(|v| v.as_bool()),
            needs_mobile_confirmation: response.get("needs_mobile_confirmation").and_then(|v| v.as_bool()),
            needs_email_confirmation: response.get("needs_email_confirmation").and_then(|v| v.as_bool()),
            email_domain: response.get("email_domain").and_then(|v| v.as_str()).map(|s| s.to_string()),
            error,
        })
    }

    /// Retrieves a list of all applications that have items listed on the Steam
    /// Community Market.
    ///
    /// # Returns
    ///
    /// Returns a `HashMap<u32, String>` where the key is the App ID and the
    /// value is the application name.
    #[steam_endpoint(GET, host = Community, path = "/market/", kind = Read)]
    pub async fn get_market_apps(&self) -> Result<HashMap<u32, String>, SteamUserError> {
        let response = self.get_with_manual_redirects("https://steamcommunity.com/market/").await?;

        // Parse HTML on the blocking pool so the async runtime stays
        // responsive when Steam returns a large market index page.
        tokio::task::spawn_blocking(move || parse_market_apps(&response)).await.map_err(|e| SteamUserError::Other(format!("market-apps parse task failed: {e}")))?
    }

    /// Cancels and removes an active listing from the Steam Community Market.
    #[steam_endpoint(POST, host = Community, path = "/market/removelisting/{listing_id}", kind = Write)]
    pub async fn remove_listing(&self, listing_id: &str) -> Result<bool, SteamUserError> {
        let response = self.post_path(format!("/market/removelisting/{}", listing_id)).form(&([] as [(&str, &str); 0])).header("Referer", "https://steamcommunity.com/market/").send().await?;

        Ok(response.status().is_success())
    }

    /// Checks for any active Steam Market restrictions or warnings on the
    /// authenticated account.
    #[steam_endpoint(GET, host = Community, path = "/market/", kind = Read)]
    pub async fn get_market_restrictions(&self) -> Result<(MarketRestrictions, Option<WalletBalance>), SteamUserError> {
        let response = self.get_with_manual_redirects("https://steamcommunity.com/market/").await?;

        let document = Html::parse_document(&response);

        let wallet = {
            let w = parse_wallet_balance(&document);
            if w.main_balance.is_some() {
                Some(w)
            } else {
                None
            }
        };

        // Check for login requirement
        let login_selector = Selector::parse(".market_login_link_ctn").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        if document.select(&login_selector).next().is_some() {
            return Ok((
                MarketRestrictions {
                    success: false,
                    warning: Some("User not logged in".to_string()),
                    restrictions: Vec::new(),
                    restriction_expire: None,
                    time_can_use: None,
                },
                wallet,
            ));
        }

        let warning_selector = Selector::parse(".market_headertip_container_warning").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let warning_box = document.select(&warning_selector).next();

        if let Some(box_elem) = warning_box {
            let header_selector = Selector::parse("#market_warning_header").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
            let warning = box_elem.select(&header_selector).next().map(|e| clean_space(&e.text().collect::<String>()));

            let li_selector = Selector::parse("ul.market_restrictions > li").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
            let restrictions = box_elem.select(&li_selector).map(|li| clean_space(&li.text().collect::<String>())).collect();

            let expire_selector = Selector::parse("#market_restriction_expire").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
            let restriction_expire = box_elem.select(&expire_selector).next().map(|e| clean_space(&e.text().collect::<String>()));

            let time_header_selector = Selector::parse("#market_timecanuse_header").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
            let _time_can_use_text = box_elem.select(&time_header_selector).next().map(|e| clean_space(&e.text().collect::<String>()));

            let time_can_use = _time_can_use_text.and_then(|text| chrono::DateTime::parse_from_str(&text, "%a, %d %b %Y %H:%M:%S %z").map(|dt| dt.timestamp_millis()).ok());

            Ok((MarketRestrictions { success: true, warning, restrictions, restriction_expire, time_can_use }, wallet))
        } else {
            Ok((MarketRestrictions { success: true, warning: None, restrictions: Vec::new(), restriction_expire: None, time_can_use: None }, wallet))
        }
    }

    /// Retrieves the internal `item_nameid` for a Steam Community Market item.
    ///
    /// This ID is required for the orders histogram API and is extracted from
    /// the market listing page's JavaScript code.
    ///
    /// # Arguments
    ///
    /// * `app_id` - The App ID of the game (e.g., 730 for CS2).
    /// * `market_hash_name` - The market hash name of the item.
    ///
    /// # Returns
    ///
    /// Returns the numeric `item_nameid` used by Steam for order book queries.
    ///
    /// # Example
    ///
    /// ```no_run
    /// # use steam_user::SteamUser;
    /// # use steam_user::types::AppId;
    /// # async fn example() -> Result<(), Box<dyn std::error::Error>> {
    /// let client = SteamUser::new(&["cookies"])?;
    /// let item_nameid = client
    ///     .get_item_nameid(AppId::new(730), "AK-47 | Redline (Field-Tested)")
    ///     .await?;
    /// println!("Item nameid: {}", item_nameid);
    /// # Ok(())
    /// # }
    /// ```
    #[steam_endpoint(GET, host = Community, path = "/market/listings/{app_id}/{market_hash_name}", kind = Read)]
    pub async fn get_item_nameid(&self, app_id: AppId, market_hash_name: &str) -> Result<ItemNameId, SteamUserError> {
        let url = format!("https://steamcommunity.com/market/listings/{}/{}", app_id, urlencoding::encode(market_hash_name));

        let response = self.get_with_manual_redirects(&url).await?;

        let item_nameid = get_item_nameid_re().captures(&response).and_then(|c| c.get(1)).and_then(|m| m.as_str().parse::<u64>().ok()).ok_or_else(|| SteamUserError::MalformedResponse("Could not find item_nameid in market listing page".into()))?;

        Ok(ItemNameId::new(item_nameid))
    }

    /// Retrieves the buy/sell order histogram for a Steam Community Market
    /// item.
    ///
    /// This function fetches the order book data showing buy and sell orders at
    /// different price points for a specific market item.
    ///
    /// # Arguments
    ///
    /// * `item_nameid` - The internal item ID (obtained from
    ///   [`Self::get_item_nameid`]).
    /// * `country` - Country code (e.g., "VN", "US", "DE").
    /// * `currency` - Steam currency code:
    ///   - 1 = USD
    ///   - 2 = GBP
    ///   - 3 = EUR
    ///   - 15 = VND
    ///   - See Steam documentation for full list.
    ///
    /// # Returns
    ///
    /// Returns an [`ItemOrdersHistogramResponse`] containing:
    /// - Highest buy order and lowest sell order prices
    /// - Buy and sell order graph data
    /// - Price formatting information
    ///
    /// # Example
    ///
    /// ```no_run
    /// # use steam_user::SteamUser;
    /// # use steam_user::types::AppId;
    /// # async fn example() -> Result<(), Box<dyn std::error::Error>> {
    /// let client = SteamUser::new(&["cookies"])?;
    ///
    /// // First get the item_nameid
    /// let item_nameid = client
    ///     .get_item_nameid(AppId::new(730), "AK-47 | Redline (Field-Tested)")
    ///     .await?;
    ///
    /// // Then fetch the order histogram
    /// let histogram = client
    ///     .get_item_orders_histogram(item_nameid, "US", 1)
    ///     .await?;
    ///
    /// if let Some(highest_buy) = &histogram.highest_buy_order {
    ///     println!("Highest buy order: {}", highest_buy);
    /// }
    /// if let Some(lowest_sell) = &histogram.lowest_sell_order {
    ///     println!("Lowest sell order: {}", lowest_sell);
    /// }
    /// # Ok(())
    /// # }
    /// ```
    #[steam_endpoint(GET, host = Community, path = "/market/itemordershistogram", kind = Read)]
    pub async fn get_item_orders_histogram(&self, item_nameid: ItemNameId, country: &str, currency: u32) -> Result<ItemOrdersHistogramResponse, SteamUserError> {
        let url = format!("https://steamcommunity.com/market/itemordershistogram?country={}&language=english&currency={}&item_nameid={}&two_factor=0", country, currency, item_nameid);
        let text = self.get_with_manual_redirects(&url).await?;
        let response = serde_json::from_str::<ItemOrdersHistogramResponse>(&text)?;

        if response.success != 1 {
            return Err(SteamUserError::MalformedResponse("Failed to fetch item orders histogram".to_string()));
        }

        Ok(response)
    }
}

/// Parses the Steam Market index HTML and returns a map of `appid → app name`.
///
/// Extracted as a pure synchronous function so callers can dispatch it onto
/// `tokio::task::spawn_blocking` and keep the async runtime responsive.
fn parse_market_apps(html: &str) -> Result<HashMap<u32, String>, SteamUserError> {
    let document = Html::parse_document(html);
    let selector = Selector::parse(".market_search_game_button_group a.game_button").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
    let name_selector = Selector::parse(".game_button_game_name").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;

    let mut apps = HashMap::new();

    for element in document.select(&selector) {
        if let Some(href) = element.value().attr("href") {
            if let Some(idx) = href.find('=') {
                if let Ok(appid) = href[idx + 1..].parse::<u32>() {
                    let name = element.select(&name_selector).next().map(|e| e.text().collect::<String>().trim().to_string()).unwrap_or_default();

                    apps.insert(appid, name);
                }
            }
        }
    }

    Ok(apps)
}

fn parse_market_listings(html: &str) -> Result<Vec<MarketListing>, SteamUserError> {
    let document = Html::parse_fragment(html);
    let row_selector = Selector::parse(".market_listing_row").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
    let mut list = Vec::new();

    for row in document.select(&row_selector) {
        let cancel_selector = Selector::parse(".market_listing_cancel_button > a").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        if let Some(cancel_link) = row.select(&cancel_selector).next().and_then(|a| a.value().attr("href")) {
            if let Some(start) = cancel_link.find('(') {
                if let Some(end) = cancel_link.find(')') {
                    let params: Vec<&str> = cancel_link[start + 1..end].split(',').map(|s| s.trim().trim_matches('\'').trim_matches('"')).collect();

                    if params.len() >= 4 {
                        // Steam usually passes "mylisting" as the first argument:
                        // RemoveMarketListing('mylisting', 'listing_id', appid, contextid, 'item_id')
                        let offset = if params[0] == "mylisting" { 1 } else { 0 };
                        if params.len() >= 4 + offset {
                            let listing_id = params[offset].to_string();
                            let appid = params[1 + offset].parse().unwrap_or(0);
                            let contextid = params[2 + offset].parse().unwrap_or(0);
                            let item_id = params[3 + offset].parse().unwrap_or(0);

                            let img_selector = Selector::parse(&format!("#mylisting_{}_image", listing_id)).map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let img_el = row.select(&img_selector).next();
                            let image_url = img_el.and_then(|img| img.value().attr("src")).map(|s| s.to_string());
                            let img_style = img_el.and_then(|img| img.value().attr("style")).unwrap_or("");
                            let name_color = parse_style_hex_color(img_style, "border-color");
                            let background_color = parse_style_hex_color(img_style, "background-color");

                            let buyer_pays_selector = Selector::parse(".market_listing_price span[title=\"This is the price the buyer pays.\"]").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let buyer_pays_price = row.select(&buyer_pays_selector).next().map(|e| clean_space(&e.text().collect::<String>().replace(['(', ')'], ""))).unwrap_or_default();

                            let receive_selector = Selector::parse(".market_listing_price span[title=\"This is how much you will receive.\"]").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let receive_price = row.select(&receive_selector).next().map(|e| clean_space(&e.text().collect::<String>().replace(['(', ')'], ""))).unwrap_or_default();

                            let name_selector = Selector::parse(".market_listing_item_name_link").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let item_name = row.select(&name_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_else(|| {
                                // Fallback
                                // Ideally we would want to propagate errors here too, but since we are inside
                                // closure/fallback, keeping it simple or pre-calculating
                                String::new()
                            });

                            // Re-do item name gracefully if first selector failed to match (which is what
                            // unwrap_or_else handled) But wait, the previous code
                            // had a nested selector parse inside unwrap_or_else. We
                            // should extract that.

                            let final_item_name = if !item_name.is_empty() {
                                item_name
                            } else {
                                let alt_name_selector = Selector::parse(".market_listing_item_name").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                                row.select(&alt_name_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default()
                            };

                            let game_selector = Selector::parse(".market_listing_game_name").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let game_name = row.select(&game_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

                            let listed_date_selector = Selector::parse(".market_listing_listed_date_combined").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
                            let listed_date = row.select(&listed_date_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

                            list.push(MarketListing {
                                listing_id,
                                appid,
                                contextid,
                                item_id,
                                image_url,
                                buyer_pays_price,
                                receive_price,
                                item_name: final_item_name,
                                game_name,
                                listed_date,
                                name_color,
                                background_color,
                            });
                        }
                    }
                }
            }
        }
    }
    Ok(list)
}

fn parse_market_history_listings(html: &str, asset_by_listing: &HashMap<String, u64>) -> Result<Vec<MarketHistoryListing>, SteamUserError> {
    let document = Html::parse_fragment(html);
    let row_selector = Selector::parse(".market_listing_row").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
    let mut list = Vec::new();

    for row in document.select(&row_selector) {
        let id = row.value().attr("id").unwrap_or_default().to_string();
        let listing_id = get_listing_id_re().captures(&id).and_then(|c| c.get(1)).map(|m| m.as_str().to_string()).unwrap_or_default();

        if listing_id.is_empty() {
            continue;
        }

        let gain_loss_selector = Selector::parse(".market_listing_gainorloss").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let gain_or_loss = row.select(&gain_loss_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        let img_selector = Selector::parse(".market_listing_item_img").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let img_el = row.select(&img_selector).next();
        let image = img_el.and_then(|img| img.value().attr("src")).map(|s| s.to_string());
        let img_style = img_el.and_then(|img| img.value().attr("style")).unwrap_or("");
        let name_color = parse_style_hex_color(img_style, "border-color");
        let background_color = parse_style_hex_color(img_style, "background-color");

        let price_selector = Selector::parse(".market_table_value .market_listing_price").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let price = row.select(&price_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        let name_selector = Selector::parse(".market_listing_item_name").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let item_name = row.select(&name_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        let game_selector = Selector::parse(".market_listing_game_name").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let game_name = row.select(&game_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        // Dates: first .can_combine = acted_on, second = listed_on (matches Steam's
        // column order)
        let date_selector = Selector::parse(".market_listing_listed_date.can_combine").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let dates: Vec<_> = row.select(&date_selector).collect();
        let acted_on = dates.first().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();
        let listed_on = dates.get(1).map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        // Status from combined label: "Sold: 5 Apr", "Purchased: 8 Jun"
        let combined_selector = Selector::parse(".market_listing_listed_date_combined").map_err(|e| SteamUserError::MalformedResponse(format!("Invalid selector: {e}")))?;
        let status = row.select(&combined_selector).next().map(|e| clean_space(&e.text().collect::<String>())).unwrap_or_default();

        let asset_id = asset_by_listing.get(&listing_id).cloned();

        list.push(MarketHistoryListing {
            id,
            listing_id,
            price,
            item_name,
            game_name,
            listed_on,
            acted_on,
            image,
            gain_or_loss,
            status,
            asset_id,
            name_color,
            background_color,
        });
    }
    Ok(list)
}

fn extract_asset_items_from_hovers(html: &str) -> HashMap<String, u64> {
    let mut map = HashMap::new();

    for cap in get_hover_re().captures_iter(html) {
        let selector = cap.get(1).map_or("", |m| m.as_str());
        let assetid = cap.get(4).map_or(0, |m| m.as_str().parse::<u64>().unwrap_or(0));

        if let Some(lid_match) = get_listing_row_re().captures(selector) {
            if let Some(listing_id) = lid_match.get(1) {
                map.insert(listing_id.as_str().to_string(), assetid);
            }
        }
    }
    map
}