feat: add logging for tui

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/hyperlog-tui/src/logging.rs

@@ -0,0 +1,77 @@
+use std::path::PathBuf;
+
+use directories::ProjectDirs;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, Layer};
+
+pub fn initialize_logging() -> anyhow::Result<()> {
+    let project = match ProjectDirs::from("io", "kjuulh", env!("CARGO_PKG_NAME")) {
+        Some(p) => p.data_local_dir().to_path_buf(),
+        None => PathBuf::from(".").join(".data"),
+    };
+
+    std::fs::create_dir_all(&project)?;
+    let log_path = project.join("hyperlog.log");
+
+    //println!("logging to: {}", log_path.display());
+
+    let log_file = std::fs::File::create(log_path)?;
+    std::env::set_var(
+        "RUST_LOG",
+        std::env::var("RUST_LOG")
+            .or_else(|_| std::env::var("HYPERLOG_LOG_LEVEL"))
+            .unwrap_or_else(|_| format!("{}=info", env!("CARGO_CRATE_NAME"))),
+    );
+
+    let file_subscriber = tracing_subscriber::fmt::layer()
+        .with_file(true)
+        .with_line_number(true)
+        .with_writer(log_file)
+        .with_target(false)
+        .with_ansi(false)
+        .with_filter(tracing_subscriber::filter::EnvFilter::from_default_env());
+    tracing_subscriber::registry()
+        .with(file_subscriber)
+        //.with(ErrorLayer::default())
+        .init();
+    Ok(())
+}
+
+pub fn initialize_panic_handler() -> anyhow::Result<()> {
+    std::panic::set_hook(Box::new(move |panic_info| {
+        // if let Ok(mut t) = crate::tui::Tui::new() {
+        //     if let Err(r) = t.exit() {
+        //         tracing::error!("Unable to exit Terminal: {:?}", r);
+        //     }
+        // }
+
+        #[cfg(not(debug_assertions))]
+        {
+            use human_panic::{handle_dump, print_msg, Metadata};
+            let meta = Metadata {
+                version: env!("CARGO_PKG_VERSION").into(),
+                name: env!("CARGO_PKG_NAME").into(),
+                authors: env!("CARGO_PKG_AUTHORS").replace(':', ", ").into(),
+                homepage: env!("CARGO_PKG_HOMEPAGE").into(),
+            };
+
+            let file_path = handle_dump(&meta, panic_info);
+            // prints human-panic message
+            print_msg(file_path, &meta)
+                .expect("human-panic: printing error message to console failed");
+            //eprintln!("{}", panic_hook.panic_report(panic_info)); // prints color-eyre stack trace to stderr
+        }
+        let msg = format!("{}", panic_info);
+        tracing::error!("Error: {}", msg);
+
+        // #[cfg(debug_assertions)]
+        // {
+        //     // Better Panic stacktrace that is only enabled when debugging.
+        //     better_panic::Settings::auto()
+        //         .most_recent_first(false)
+        //         .lineno_suffix(true)
+        //         .verbosity(better_panic::Verbosity::Full)
+        //         .create_panic_handler()(panic_info);
+        // }
+    }));
+    Ok(())
+}