From bb8bbf8a24c4863e45c2cf7451b981f30de2be5f Mon Sep 17 00:00:00 2001
From: icsboyx <obladio28@gmail.com>
Date: Sun, 25 Jan 2026 11:07:44 +0100
Subject: [PATCH] feat: enhance logging and error handling, update HTML
 templates, and add footer

---
 Cargo.lock            |   1 +
 Cargo.toml            |   8 +--
 data/html/error.html  |  12 +---
 data/html/footer.html |  16 +++++
 data/html/index.html  |  14 +----
 data/html/stats.html  |  12 +---
 data/html/view.html   |  12 +---
 src/api.rs            | 118 ++++++++++++++++++++++---------------
 src/data_mgt.rs       |  55 ++++++++++++-----
 src/logs.rs           |  82 +++++++++++++++++++++-----
 src/main.rs           | 133 +++++++++++++++++++++++++++++-------------
 src/tests.rs          |   1 +
 12 files changed, 295 insertions(+), 169 deletions(-)
 create mode 100644 data/html/footer.html
 create mode 100644 src/tests.rs

diff --git a/Cargo.lock b/Cargo.lock
index 9b2a883..da8c4b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -281,6 +281,7 @@ dependencies = [
  "base64",
  "chrono",
  "futures",
+ "mime_guess",
  "serde",
  "serde_json",
  "tokio",
diff --git a/Cargo.toml b/Cargo.toml
index c8b9679..f158d24 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,11 +11,7 @@ chrono = "0.4"
 futures = "0.3.31"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.148"
-tokio = { version = "1.48.0", features = [
-  "macros",
-  "rt-multi-thread",
-  "signal",
-  "time",
-] }
+tokio = { version = "1.48.0", features = ["fs", "macros", "rt-multi-thread", "signal", "time"] }
 uuid = { version = "1.19.0", features = ["v4"] }
 base64 = "0.22.1"
+mime_guess = "2.0.5"
diff --git a/data/html/error.html b/data/html/error.html
index fd43fcf..23fde6a 100644
--- a/data/html/error.html
+++ b/data/html/error.html
@@ -24,17 +24,7 @@
     </div>
   </div>
 
-  <footer class="powered-by" style="display: flex; align-items: center">
-    <span style="flex: 1"></span>
-    <span>Powered by: <img src="/logo.png" alt="ICSBox" class="footer-logo" /></span>
-    <span style="flex: 1; text-align: right">
-      <a href="/stats" style="
-            color: var(--text-secondary);
-            font-size: 0.8em;
-            text-decoration: none;
-          ">📊 Stats</a>
-    </span>
-  </footer>
+  {{FOOTER}}
 </body>
 
 </html>
diff --git a/data/html/footer.html b/data/html/footer.html
new file mode 100644
index 0000000..0e4fada
--- /dev/null
+++ b/data/html/footer.html
@@ -0,0 +1,16 @@
+<footer class="powered-by" style="display: flex; align-items: center">
+  <span style="flex: 1; text-align: left">
+    <span style="
+          color: var(--text-secondary);
+          font-size: 0.8em;
+        ">{{VERSION}}</span>
+  </span>
+  <span>Powered by: <img src="/logo.png" alt="ICSBox" class="footer-logo" /></span>
+  <span style="flex: 1; text-align: right">
+    <a href="/stats" style="
+          color: var(--text-secondary);
+          font-size: 0.8em;
+          text-decoration: none;
+        ">📊 Stats</a>
+  </span>
+</footer>
diff --git a/data/html/index.html b/data/html/index.html
index e564e01..ea9ec2a 100644
--- a/data/html/index.html
+++ b/data/html/index.html
@@ -45,17 +45,7 @@
     </div>
   </div>
 
-  <footer class="powered-by" style="display: flex; align-items: center">
-    <span style="flex: 1"></span>
-    <span>Powered by: <img src="logo.png" alt="ICSBox" class="footer-logo" /></span>
-    <span style="flex: 1; text-align: right">
-      <a href="/stats" style="
-            color: var(--text-secondary);
-            font-size: 0.8em;
-            text-decoration: none;
-          ">📊 Stats</a>
-    </span>
-  </footer>
+  {{FOOTER}}
 
   <!-- Zoom overlay -->
   <div id="zoomOverlay" class="zoom-overlay" style="display: none"></div>
@@ -448,4 +438,4 @@
   </script>
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/data/html/stats.html b/data/html/stats.html
index aa00a9b..62cfce5 100644
--- a/data/html/stats.html
+++ b/data/html/stats.html
@@ -172,17 +172,7 @@
     <p>Loading statistics...</p>
   </div>
 
-  <footer class="powered-by" style="display: flex; align-items: center">
-    <span style="flex: 1"></span>
-    <span>Powered by: <img src="/logo.png" alt="ICSBox" class="footer-logo" /></span>
-    <span style="flex: 1; text-align: right">
-      <a href="/stats" style="
-              color: var(--text-secondary);
-              font-size: 0.8em;
-              text-decoration: none;
-            ">📊 Stats</a>
-    </span>
-  </footer>
+  {{FOOTER}}
 
   <script>
     async function loadStats() {
diff --git a/data/html/view.html b/data/html/view.html
index 8c24845..51c8d9f 100644
--- a/data/html/view.html
+++ b/data/html/view.html
@@ -19,17 +19,7 @@
     </div>
   </div>
 
-  <footer class="powered-by" style="display: flex; align-items: center">
-    <span style="flex: 1"></span>
-    <span>Powered by: <img src="/logo.png" alt="ICSBox" class="footer-logo" /></span>
-    <span style="flex: 1; text-align: right">
-      <a href="/stats" style="
-            color: var(--text-secondary);
-            font-size: 0.8em;
-            text-decoration: none;
-          ">📊 Stats</a>
-    </span>
-  </footer>
+  {{FOOTER}}
 
   <!-- Zoom overlay -->
   <div id="zoomOverlay" class="zoom-overlay" style="display: none;"></div>
diff --git a/src/api.rs b/src/api.rs
index b00bf3c..eb7165b 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -5,12 +5,12 @@ use chrono::Utc;
 use serde::Deserialize;
 use serde_json::json;
 
-use crate::{
-    LOG_FILE_NAME,
-    data_mgt::{AppState, Asset},
-    logs::{LogEvent, LogEventType, log_event},
-};
 use crate::{MAX_ASSET_DURATION, MIN_ASSET_DURATION};
+use crate::{
+    MAX_ASSET_SIZE_BYTES,
+    data_mgt::{AppState, Asset},
+    logs::LogEventType,
+};
 
 #[derive(Deserialize, Debug)]
 pub struct UploadRequest {
@@ -46,6 +46,19 @@ async fn api_upload(
         }
     };
 
+    if content_bytes.len() > MAX_ASSET_SIZE_BYTES {
+        let error = json!({"error": "Asset too large"});
+        app_state
+            .log_file
+            .write_event(LogEventType::Error(error.clone()))
+            .await
+            .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+
+        return Ok(HttpResponse::PayloadTooLarge().json(json!({
+            "error": "Asset too large"
+        })));
+    }
+
     let clamped_duration = body.duration.clamp(MIN_ASSET_DURATION, MAX_ASSET_DURATION);
     let asset_expiration_time = now + (clamped_duration as i64 * 60 * 1000);
     let (allowed, retry_after_ms) = app_state
@@ -70,10 +83,27 @@ async fn api_upload(
     );
 
     let id = asset.id();
-    log_event(LogEventType::AssetUploaded(asset.to_value()));
-    app_state.assets.add_asset(asset).await;
-    let response_body = json!({ "link": format!("/bhs/{}", id) });
-    Ok(HttpResponse::Ok().json(response_body))
+
+    match app_state.assets.add_asset(asset.clone(), &app_state.log_file).await {
+        Ok(_) => {
+            app_state
+                .log_file
+                .write_event(LogEventType::AssetUploaded(asset.to_value()))
+                .await
+                .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+            let response_body = json!({ "link": format!("/bhs/{}", id) });
+            Ok(HttpResponse::Ok().json(response_body))
+        }
+        Err(e) => {
+            let error = json!({"error": format!("Failed to store asset: {}", e)});
+            app_state
+                .log_file
+                .write_event(LogEventType::Error(error.clone()))
+                .await
+                .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+            Ok(HttpResponse::InternalServerError().json(error))
+        }
+    }
 }
 
 #[get("/api/content/{id}")]
@@ -82,13 +112,14 @@ async fn api_get_asset(
     path: web::Path<String>,
     app_state: web::Data<AppState>,
 ) -> Result<HttpResponse, actix_web::Error> {
-    log_event(LogEventType::HttpRequest(req.into()));
-
+    app_state
+        .log_file
+        .write_event(LogEventType::HttpRequest(req.into()))
+        .await
+        .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
     match app_state.assets.get_asset(&path.into_inner()).await {
         None => Ok(HttpResponse::NotFound().body("Asset not found")),
-        Some(asset) => Ok(HttpResponse::Ok()
-            .content_type(asset.mime())
-            .body(asset.content().clone())),
+        Some(asset) => Ok(HttpResponse::Ok().content_type(asset.mime()).body(asset.content())),
     }
 }
 
@@ -114,46 +145,39 @@ struct ActivityItem {
 
 #[get("/api/stats")]
 async fn api_stats(app_state: web::Data<AppState>) -> Result<HttpResponse, actix_web::Error> {
-    use crate::LOG_DIR;
-    use std::fs;
-
     let (active_assets, storage_bytes, image_count, text_count) = app_state.assets.stats_summary().await;
 
     let mut total_uploads = 0;
     let mut total_deleted = 0;
     let mut recent_activity: Vec<ActivityItem> = Vec::new();
     let mut request_count: usize = 0;
-
-    let log_path = format!("{}{}", LOG_DIR, LOG_FILE_NAME);
-    if let Ok(content) = fs::read_to_string(&log_path) {
-        for line in content.lines() {
-            if let Ok(entry) = serde_json::from_str::<LogEvent>(line) {
-                match entry.event {
-                    LogEventType::HttpRequest(_req) => {
-                        request_count += 1;
-                    }
-                    LogEventType::AssetUploaded(asset) => {
-                        let asset = serde_json::from_value::<Asset>(asset).unwrap_or_default();
-                        total_uploads += 1;
-                        recent_activity.push(ActivityItem {
-                            action: "upload".to_string(),
-                            mime: asset.mime(),
-                            share_duration: asset.share_duration(),
-                            timestamp: entry.time,
-                        });
-                    }
-                    LogEventType::AssetDeleted(asset) => {
-                        let asset = serde_json::from_value::<Asset>(asset).unwrap_or_default();
-                        total_deleted += 1;
-                        recent_activity.push(ActivityItem {
-                            action: "delete".to_string(),
-                            mime: asset.mime(),
-                            share_duration: asset.share_duration(),
-                            timestamp: entry.time,
-                        });
-                    }
-                }
+    let log_events = app_state.log_file.read_events().await.unwrap_or_default();
+    for line in log_events {
+        match line.event {
+            LogEventType::HttpRequest(_req) => {
+                request_count += 1;
             }
+            LogEventType::AssetUploaded(asset) => {
+                let asset = serde_json::from_value::<Asset>(asset).unwrap_or_default();
+                total_uploads += 1;
+                recent_activity.push(ActivityItem {
+                    action: "upload".to_string(),
+                    mime: asset.mime(),
+                    share_duration: asset.share_duration(),
+                    timestamp: line.time,
+                });
+            }
+            LogEventType::AssetDeleted(asset) => {
+                let asset = serde_json::from_value::<Asset>(asset).unwrap_or_default();
+                total_deleted += 1;
+                recent_activity.push(ActivityItem {
+                    action: "delete".to_string(),
+                    mime: asset.mime(),
+                    share_duration: asset.share_duration(),
+                    timestamp: line.time,
+                });
+            }
+            LogEventType::Error(_event) => {}
         }
     }
 
diff --git a/src/data_mgt.rs b/src/data_mgt.rs
index 234638b..6f2238f 100644
--- a/src/data_mgt.rs
+++ b/src/data_mgt.rs
@@ -8,10 +8,8 @@ use serde::{Deserialize, Serialize};
 use serde_json::Value;
 
 use crate::MAX_ASSETS;
-use crate::{
-    MAX_UPLOADS_PER_USER,
-    logs::{LogEventType, log_event},
-};
+use crate::logs::LogFile;
+use crate::{MAX_UPLOADS_PER_USER, logs::LogEventType};
 
 #[derive(Debug, Serialize, Deserialize, Clone, Default)]
 pub struct Asset {
@@ -91,10 +89,11 @@ impl Asset {
     }
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Debug)]
 pub struct AppState {
     pub assets: AssetStorage,
     pub connection_tracker: RateLimiter,
+    pub log_file: LogFile,
 }
 
 #[derive(Clone, Debug, Default)]
@@ -110,18 +109,44 @@ impl AssetStorage {
         }
     }
 
-    pub async fn add_asset(&self, asset: Asset) {
-        println!("[{}] Adding asset: {}", chrono::Local::now().to_rfc3339(), asset.id());
-        self.assets.lock().await.push(asset);
-        self.show_assets().await;
+    pub async fn add_asset(&self, asset: Asset, log: &LogFile) -> Result<()> {
+        let now = chrono::Utc::now();
+        let mut removed: Vec<Asset> = Vec::new();
+
+        {
+            let mut assets = self.assets.lock().await;
+
+            let removed_iter = assets.extract_if(.., |a| a.is_expired());
+            removed.extend(removed_iter);
+
+            if assets.len() >= MAX_ASSETS {
+                return Err(anyhow::anyhow!("Asset storage full"));
+            }
+
+            println!("[{}] Adding asset: {}", now.to_rfc3339(), asset.id());
+            assets.push(asset);
+        }
+
+        for asset in removed {
+            println!("[{}] Removing asset: {}", now.to_rfc3339(), asset.id());
+            log.write_event(LogEventType::AssetDeleted(asset.to_value())).await?;
+        }
+
+        Ok(())
     }
 
-    pub async fn remove_expired(&self) {
+    async fn push_asset(&self, asset: Asset) {
+        let mut assets = self.assets.lock().await;
+        assets.push(asset);
+    }
+    pub async fn remove_expired(&self, log: &LogFile) {
         let mut assets = self.assets.lock().await;
         let removed_assets = assets.extract_if(.., |asset| asset.is_expired());
         for asset in removed_assets {
             println!("[{}] Removing asset: {}", chrono::Local::now().to_rfc3339(), asset.id());
-            log_event(LogEventType::AssetDeleted(asset.to_value()));
+            log.write_event(LogEventType::AssetDeleted(asset.to_value()))
+                .await
+                .unwrap();
         }
     }
 
@@ -169,11 +194,15 @@ impl AssetStorage {
         let assets = self.assets.lock().await;
         for asset in assets.iter().cloned() {
             if asset.id() == id {
-                return Some(asset.clone());
+                return Some(asset);
             }
         }
         None
     }
+
+    pub async fn assets_len(&self) -> usize {
+        self.assets.lock().await.len()
+    }
 }
 
 #[derive(Clone, Debug, Default)]
@@ -215,7 +244,7 @@ impl RateLimiter {
 }
 
 pub async fn clear_app_data(app_state: &AppState) -> Result<()> {
-    app_state.assets.remove_expired().await;
+    app_state.assets.remove_expired(&app_state.log_file).await;
     app_state.connection_tracker.clear_expired().await;
     Ok(())
 }
diff --git a/src/logs.rs b/src/logs.rs
index e0c4fc7..c7e33ad 100644
--- a/src/logs.rs
+++ b/src/logs.rs
@@ -1,10 +1,73 @@
-use std::{fs::OpenOptions, io::Write};
+use anyhow::Result;
+
+use std::{path::PathBuf, sync::Arc};
 
 use actix_web::HttpRequest;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
+use tokio::{
+    fs::{File, OpenOptions, rename},
+    io::{AsyncReadExt, AsyncWriteExt},
+    sync::Mutex,
+};
 
-use crate::{LOG_DIR, LOG_FILE_NAME};
+#[derive(Debug, Clone)]
+pub struct LogFile {
+    _path: PathBuf,
+    handle: Arc<Mutex<File>>,
+}
+
+impl LogFile {
+    pub async fn new(path: impl Into<PathBuf>) -> Result<Self> {
+        let path = path.into();
+        if LogFile::log_file_exist(&path).await? {
+            LogFile::log_file_rotate(&path).await?;
+        }
+
+        let handle = OpenOptions::new().create(true).append(true).open(&path).await?;
+        println!("Log file created at: {}", path.display());
+        Ok(Self {
+            _path: path,
+            handle: Arc::new(Mutex::new(handle)),
+        })
+    }
+
+    pub async fn read_events(&self) -> Result<Vec<LogEvent>> {
+        let mut file = File::open(&self._path).await?;
+        let mut contents = String::new();
+        file.read_to_string(&mut contents).await?;
+        let mut events: Vec<LogEvent> = Vec::new();
+        for line in contents.lines() {
+            match serde_json::from_str::<LogEvent>(line) {
+                Ok(event) => events.push(event),
+                Err(e) => println!("Failed to parse log line: {}: {}", e, line),
+            }
+        }
+        Ok(events)
+    }
+
+    pub async fn write_event(&self, event: LogEventType) -> Result<()> {
+        let log_event: LogEvent = event.into();
+        let line = serde_json::to_string(&log_event)? + "\n";
+        self.handle.lock().await.write_all(line.as_bytes()).await?;
+        Ok(())
+    }
+
+    async fn log_file_exist(path: impl Into<PathBuf>) -> Result<bool> {
+        if tokio::fs::metadata(path.into()).await.is_ok() { Ok(true) } else { Ok(false) }
+    }
+    async fn log_file_rotate(path: impl Into<PathBuf>) -> Result<()> {
+        let path: PathBuf = path.into();
+        let now = chrono::Utc::now().format("%Y_%m_%_d-%H%M%S").to_string();
+        let Some(dir) = path.parent() else {
+            return Err(anyhow::anyhow!("Failed to get parent directory for log rotation"));
+        };
+        let filename = path.file_name().unwrap_or_else(|| std::ffi::OsStr::new("log.txt"));
+        let rotated = dir.join(format!("{}_{}", now, filename.to_string_lossy()));
+        rename(path, rotated).await?;
+        Ok(())
+    }
+}
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct LogHttpRequest {
@@ -52,6 +115,7 @@ pub enum LogEventType {
     AssetUploaded(Value),
     AssetDeleted(Value),
     HttpRequest(LogHttpRequest),
+    Error(Value),
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -66,17 +130,3 @@ impl From<LogEventType> for LogEvent {
         LogEvent { time, event }
     }
 }
-
-pub fn log_event(event: LogEventType) {
-    let log_path = LOG_DIR.to_string() + LOG_FILE_NAME;
-
-    let Ok(mut file) = OpenOptions::new().create(true).append(true).open(log_path) else {
-        eprintln!("failed to open log file for asset event");
-        return;
-    };
-
-    let log_event: LogEvent = event.into();
-    let line = serde_json::to_string(&log_event).unwrap_or_else(|e| e.to_string());
-
-    let _ = writeln!(file, "{}", line);
-}
diff --git a/src/main.rs b/src/main.rs
index fb323b3..e960062 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,15 +1,22 @@
 mod api;
 mod data_mgt;
 mod logs;
-use actix_files::NamedFile;
+#[cfg(test)]
+mod tests;
 
 use actix_web::{
-    App, HttpRequest, HttpServer, get, route,
+    App, HttpRequest, HttpResponse, HttpServer, get, mime, route,
     web::{self},
 };
 
+use anyhow::Result;
+use mime_guess::from_path;
 use serde_json::Value;
-use std::{env, fs, path::PathBuf, sync::LazyLock};
+use std::{
+    env, fs,
+    path::{Path, PathBuf},
+    sync::LazyLock,
+};
 
 pub static HTML_DIR: &str = "data/html/";
 pub static LOG_DIR: &str = "data/logs/";
@@ -19,6 +26,14 @@ pub static MAX_ASSET_DURATION: u32 = 60; // in minutes
 pub static MAX_ASSETS: usize = 1000;
 pub static MAX_ASSET_SIZE_BYTES: usize = 3 * 1024 * 1024; // 3 MB
 pub static MAX_UPLOADS_PER_USER: usize = 10;
+pub static FOOTER_HTML: LazyLock<String> =
+    LazyLock::new(|| fs::read_to_string(Path::new(HTML_DIR).join("footer.html")).unwrap_or_default());
+pub static HTML_VARS: LazyLock<Vec<(&str, &str)>> = LazyLock::new(|| {
+    vec![
+        ("{{FOOTER}}", (*FOOTER_HTML).as_str()),
+        ("{{VERSION}}", env!("CARGO_PKG_VERSION")),
+    ]
+});
 
 pub static BIND_ADDR: LazyLock<String> = LazyLock::new(|| match env::var("BIND_ADDR") {
     Ok(addr) => {
@@ -50,79 +65,88 @@ pub static STATIC_PAGES: LazyLock<Vec<String>> = LazyLock::new(|| {
 
 use crate::{
     api::{api_get_asset, api_stats, api_upload},
-    logs::{LogEventType, log_event},
+    data_mgt::AppState,
+    logs::{LogEventType, LogFile},
 };
 
 #[get("/")]
-async fn index(req: HttpRequest) -> actix_web::Result<NamedFile> {
+async fn index(req: HttpRequest, app_state: web::Data<AppState>) -> actix_web::Result<HttpResponse> {
     let path: PathBuf = PathBuf::from(HTML_DIR.to_string() + "index.html");
-    log_event(LogEventType::HttpRequest(req.into()));
-    Ok(NamedFile::open(path)?)
+    app_state
+        .log_file
+        .write_event(LogEventType::HttpRequest(req.into()))
+        .await
+        .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+    get_static_file(path).await
 }
 
 #[get("/stats")]
-async fn stats(req: HttpRequest) -> actix_web::Result<NamedFile> {
+async fn stats(req: HttpRequest, app_state: web::Data<AppState>) -> actix_web::Result<HttpResponse> {
     let path: PathBuf = PathBuf::from(HTML_DIR.to_string() + "stats.html");
-    log_event(LogEventType::HttpRequest(req.into()));
-    Ok(NamedFile::open(path)?)
+    app_state
+        .log_file
+        .write_event(LogEventType::HttpRequest(req.into()))
+        .await
+        .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+    get_static_file(path).await
 }
 
 #[get("/bhs/{id}")]
-async fn view_asset(req: HttpRequest) -> actix_web::Result<NamedFile> {
+async fn view_asset(req: HttpRequest, app_state: web::Data<AppState>) -> actix_web::Result<HttpResponse> {
     let path: PathBuf = PathBuf::from(HTML_DIR.to_string() + "view.html");
-    log_event(LogEventType::HttpRequest(req.into()));
-    Ok(NamedFile::open(path)?)
+    app_state
+        .log_file
+        .write_event(LogEventType::HttpRequest(req.into()))
+        .await
+        .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
+    get_static_file(path).await
 }
 
 #[route("/{tail:.*}", method = "GET", method = "POST")]
-async fn catch_all(req: HttpRequest, _payload: Option<web::Json<Value>>) -> actix_web::Result<NamedFile> {
+async fn catch_all(
+    req: HttpRequest,
+    _payload: Option<web::Json<Value>>,
+    app_state: web::Data<AppState>,
+) -> actix_web::Result<HttpResponse> {
     let response = match req.uri().path() {
         path if STATIC_PAGES.contains(&path[1..].into()) => {
             let file_path = HTML_DIR.to_string() + path;
-            Ok(NamedFile::open(file_path)?)
+            get_static_file(file_path).await
         }
         _ => {
             let file_path = PathBuf::from(HTML_DIR.to_string() + "error.html");
-            Ok(NamedFile::open(file_path)?)
+            get_static_file(file_path).await
         }
     };
 
-    log_event(LogEventType::HttpRequest(req.into()));
+    app_state
+        .log_file
+        .write_event(LogEventType::HttpRequest(req.into()))
+        .await
+        .unwrap_or_else(|e| println!("Failed to log HTTP request: {}", e));
     response
 }
 
-#[actix_web::main]
-async fn main() -> std::io::Result<()> {
-    let _ = fs::create_dir_all(LOG_DIR);
-    let log_filename = format!("{}{}", LOG_DIR, LOG_FILE_NAME);
-    let log_filename_path = std::path::Path::new(&log_filename);
+#[tokio::main]
+async fn main() -> Result<()> {
+    let log_file = LogFile::new(format!("{}{}", LOG_DIR, LOG_FILE_NAME))
+        .await
+        .expect("Failed to create or open log file");
 
-    let time_tag = chrono::Local::now().format("%Y_%m_%d_%H_%M_%S");
-    if log_filename_path.exists() {
-        println!("File: {}, exists, rotating.", &log_filename_path.display());
-        fs::rename(
-            &log_filename_path,
-            format!("{}{}_{}", LOG_DIR, time_tag, &LOG_FILE_NAME),
-        )
-        .unwrap_or_else(|e| {
-            println!(
-                "No existing log file {} to rotate. Error: {}",
-                log_filename_path.to_string_lossy(),
-                e
-            )
-        });
-        println!("Rotated log file to: {}_{}", time_tag, &LOG_FILE_NAME);
-    }
-    let app_state = data_mgt::AppState::default();
+    let app_state = data_mgt::AppState {
+        assets: data_mgt::AssetStorage::new(),
+        connection_tracker: data_mgt::RateLimiter::default(),
+        log_file,
+    };
 
     println!("Starting server at http://{}:{}/", *BIND_ADDR, *BIND_PORT);
 
-    let inner_appt_state = app_state.clone();
+    let inner_app_state = app_state.clone();
     tokio::spawn(async move {
         let mut interval = tokio::time::interval(tokio::time::Duration::from_secs(1));
         loop {
             interval.tick().await;
-            if let Err(e) = data_mgt::clear_app_data(&inner_appt_state).await {
+            if let Err(e) = data_mgt::clear_app_data(&inner_app_state).await {
                 eprintln!("Error clearing assets: {}", e);
             }
         }
@@ -141,5 +165,30 @@ async fn main() -> std::io::Result<()> {
     })
     .bind((BIND_ADDR.clone(), *BIND_PORT))?
     .run()
-    .await
+    .await?;
+    Ok(())
+}
+
+pub async fn get_static_file<P: AsRef<Path>>(path: P) -> actix_web::Result<HttpResponse> {
+    let path = path.as_ref();
+    let mime = from_path(path).first_or_octet_stream();
+
+    // HTML → text + replace
+    if mime.type_() == mime::TEXT && mime.subtype() == mime::HTML {
+        let mut html = tokio::fs::read_to_string(path)
+            .await
+            .map_err(actix_web::error::ErrorInternalServerError)?;
+
+        for (k, v) in HTML_VARS.iter() {
+            html = html.replace(k, v);
+        }
+
+        return Ok(HttpResponse::Ok().content_type("text/html; charset=utf-8").body(html));
+    }
+
+    let bytes = tokio::fs::read(path)
+        .await
+        .map_err(actix_web::error::ErrorInternalServerError)?;
+
+    Ok(HttpResponse::Ok().content_type(mime.as_ref()).body(bytes))
 }
diff --git a/src/tests.rs b/src/tests.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/tests.rs
@@ -0,0 +1 @@
+