mod cli;
mod dirs;
mod projects;
mod tui;


use anyhow::Result;
use clap::Parser;
use cli::Command;
use projects::Projects;


#[derive(Debug, Parser)]
struct Args {
    #[command(subcommand)]
    pub cmd: Option<Command>,
}


fn main() -> Result<()> {
    init_tracing()?;

    let args = Args::parse();

    let projects = Projects::read_file()?;

    match &args.cmd {
        Some(cmd) => cmd.execute(projects)?,
        None => tui::run(projects)?,
    };

    Ok(())
}


fn init_tracing() -> Result<()> {
    use std::fs;

    use tracing::Level;
    use tracing_appender::rolling;
    use tracing_subscriber::filter::Targets;
    use tracing_subscriber::layer::SubscriberExt;
    use tracing_subscriber::util::SubscriberInitExt;

    let level = if cfg!(debug_assertions) {
        Level::TRACE
    } else {
        Level::INFO
    };

    let log_path = dirs::state_path().join("logs");

    if !fs::exists(&log_path)? {
        fs::create_dir_all(&log_path)?;
    }

    let filter_layer = Targets::new()
        .with_target(env!("CARGO_PKG_NAME"), level)
        .with_default(Level::ERROR);

    let appender = rolling::daily(&log_path, "app");

    let fmt_layer = tracing_subscriber::fmt::layer()
        .with_writer(appender)
        .with_ansi(false);

    tracing_subscriber::registry()
        .with(fmt_layer)
        .with(filter_layer)
        .try_init()?;

    Ok(())
}