yeah works

src/error_logger.rs

@@ -0,0 +1,41 @@
+use chrono::{DateTime, Utc};
+use serde::Serialize;
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::Path;
+use url::Url;
+
+#[derive(Serialize)]
+pub struct ErrorEntry {
+    pub timestamp: DateTime<Utc>,
+    pub url: String,
+    pub error_type: String,
+    pub message: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub status_code: Option<u16>,
+}
+
+pub fn log_error(
+    log_path: &Path,
+    url: &Url,
+    error_type: &str,
+    message: &str,
+    status_code: Option<u16>,
+) {
+    let entry = ErrorEntry {
+        timestamp: Utc::now(),
+        url: url.to_string(),
+        error_type: error_type.to_string(),
+        message: message.to_string(),
+        status_code,
+    };
+
+    let line = serde_json::to_string(&entry).unwrap_or_default() + "\n";
+
+    if let Ok(mut file) = OpenOptions::new().append(true).create(true).open(log_path) {
+        let _ = file.write_all(line.as_bytes());
+        let _ = file.flush();
+    }
+
+    println!("  LOGGED ERROR [{}]: {}", error_type, message);
+}