mod actors;
mod config;
//
use actix::prelude::*;

use git_next_git::repository::RepositoryFactory;
use kxio::{fs::FileSystem, network::Network};

use std::path::PathBuf;

use tracing::{error, info, level_filters::LevelFilter};

use crate::actors::{
    file_watcher::{self, FileUpdated},
    server::Server,
};

pub fn init(fs: FileSystem) {
    let file_name = "git-next-server.toml";
    let pathbuf = PathBuf::from(file_name);
    let Ok(exists) = fs.path_exists(&pathbuf) else {
        eprintln!("Could not check if file exist: {}", file_name);
        return;
    };
    if exists {
        eprintln!(
            "The configuration file already exists at {} - not overwritting it.",
            file_name
        );
    } else {
        match fs.file_write(&pathbuf, include_str!("../../../server-default.toml")) {
            Ok(_) => println!("Created a default configuration file at {}", file_name),
            Err(e) => {
                eprintln!("Failed to write to the configuration file: {}", e)
            }
        }
    }
}

pub async fn start(fs: FileSystem, net: Network, repo: Box<dyn RepositoryFactory>) {
    init_logging();

    info!("Starting Server...");
    let server = Server::new(fs.clone(), net.clone(), repo).start();
    server.do_send(FileUpdated);

    info!("Starting File Watcher...");
    let fw = match file_watcher::FileWatcher::new("git-next-server.toml".into(), server.recipient())
    {
        Ok(fw) => fw,
        Err(err) => {
            error!(?err, "Failed to start file watcher");
            return;
        }
    };
    fw.start();

    info!("Server running - Press Ctrl-C to stop...");
    let _ = actix_rt::signal::ctrl_c().await;
    info!("Ctrl-C received, shutting down...");
}

pub fn init_logging() {
    use tracing_subscriber::prelude::*;

    let subscriber = tracing_subscriber::fmt::layer()
        // NOTE: set RUSTLOG in ${root}/.cargo/config
        .with_target(false)
        .with_file(true)
        .with_line_number(true)
        .with_filter(LevelFilter::INFO);
    tracing_subscriber::registry()
        .with(console_subscriber::ConsoleLayer::builder().spawn())
        .with(subscriber)
        .init();
}