//! DarkRoom desktop entry point.
//!
//!   darkroom-desktop <file-or-directory>...

use std::path::PathBuf;

use dr_plat::diagnostics::Installed;

fn main() -> anyhow::Result<()> {
    // Built rather than `init`ed, so the same logger can be handed to the
    // diagnostics tee: `env_logger` keeps writing to stderr exactly as before,
    // and every record it accepts is also appended to the on-disk log
    // (NFR-OPS-1). `filter()` is asked afterwards because the environment may
    // have overridden the default below, and the file must not be quieter than
    // the terminal.
    let console = env_logger::Builder::from_env(env_logger::Env::default().default_filter_or(
        "info,wgpu_core=warn,wgpu_hal=warn,zbus=warn,tracing=warn,calloop=warn,rawler=warn",
    ))
    .build();
    let level = console.filter();
    let logging = dr_plat::diagnostics::install(Box::new(console), level);

    log::info!("DarkRoom v{}", env!("CARGO_PKG_VERSION"));
    // First thing in the file, so a user asked for "the log" can find it
    // without being told a path over the phone.
    match &logging {
        Installed::ToFile(path) => log::info!("logging to {}", path.display()),
        Installed::ConsoleOnly(why) => log::warn!("no log file this session: {why}"),
    }

    let paths: Vec<PathBuf> = std::env::args().skip(1).map(PathBuf::from).collect();
    if paths.is_empty() {
        eprintln!("usage: darkroom-desktop <file-or-directory>...");
    }

    dr_ui::run(paths)?;

    // Skip Rust's normal static/thread-local teardown on the way out: a
    // background zbus/keyring connection opened by dr_ui::launch_ui can
    // still be alive here, and unwinding through it races its async-io
    // reactor thread, panicking with "thread local ... during or after
    // destruction" when the window is closed.
    std::process::exit(0);
}