fix: something

apps/daemon/src/game/ark.rs

@@ -0,0 +1,80 @@
+use anyhow::Result;
+use tracing::info;
+use super::rcon::RconClient;
+
+/// Player information from an ARK RCON `ListPlayers` response.
+pub struct ArkPlayer {
+    pub name: String,
+    pub steamid: String,
+}
+
+/// Query an ARK server for its connected players.
+pub async fn get_players(rcon_address: &str, rcon_password: &str) -> Result<Vec<ArkPlayer>> {
+    let mut client = RconClient::connect(rcon_address, rcon_password).await?;
+    let response = client.command("ListPlayers").await?;
+
+    let players = parse_list_players_response(&response);
+    info!(count = players.len(), "ARK player list retrieved");
+
+    Ok(players)
+}
+
+/// Parses lines shaped like `0. PlayerName, 76561198000000000`.
+fn parse_list_players_response(response: &str) -> Vec<ArkPlayer> {
+    let mut players = Vec::new();
+
+    for line in response.lines() {
+        let trimmed = line.trim();
+        if trimmed.is_empty() {
+            continue;
+        }
+
+        // "No Players Connected"
+        if trimmed.eq_ignore_ascii_case("no players connected") {
+            break;
+        }
+
+        // Strip the "<index>. " prefix.
+        let entry = match trimmed.split_once('.') {
+            Some((index, rest)) if index.trim().chars().all(|c| c.is_ascii_digit()) => rest.trim(),
+            _ => continue,
+        };
+
+        let (name, steamid) = match entry.rsplit_once(',') {
+            Some((name, steamid)) => (name.trim(), steamid.trim()),
+            None => (entry, ""),
+        };
+
+        if name.is_empty() {
+            continue;
+        }
+
+        players.push(ArkPlayer {
+            name: name.to_string(),
+            steamid: steamid.to_string(),
+        });
+    }
+
+    players
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parses_connected_players() {
+        let response = "0. Alper, 76561198000000001\n1. Rezan, 76561198000000002\n";
+        let players = parse_list_players_response(response);
+
+        assert_eq!(players.len(), 2);
+        assert_eq!(players[0].name, "Alper");
+        assert_eq!(players[0].steamid, "76561198000000001");
+        assert_eq!(players[1].name, "Rezan");
+    }
+
+    #[test]
+    fn handles_empty_server() {
+        assert!(parse_list_players_response("No Players Connected\n").is_empty());
+    }
+}