use clap::{Parser, Subcommand};
use log4rs;
use config::Config;
use transcoder::repository::Repository;
use transcoder::transcoder::Transcoder;

mod cmd;
mod settings;
mod transcoder;
mod util;

#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
struct Cli {
  /// Number of times to greet
  #[clap(short = 'l', long, default_value_t = String::from("./log4rs.yaml"))]
  log_config: String,

  #[clap(subcommand)]
  command: Option<Commands>,
}

#[derive(Subcommand)]
enum Commands {
  // Runs the setup command
  Setup {},

  // Displays version info about the program
  Version {},
}

fn main() {
  // initialize the clap CLI
  let cli = Cli::parse();

  // grab the log4rs config file path, then initialize log4rs
  let log4rs_config: String = cli.log_config;
  log4rs::init_file(&log4rs_config, Default::default()).unwrap();

  match &cli.command {
    // sub-commands will be handled here
    Some(Commands::Setup {}) => cmd::core::setup_command(),
    Some(Commands::Version {}) => cmd::core::version_command(),

    // run the main program without any commands
    None => {
      // create and initialize our config and repository objects
      let c: Config = settings::load_config();
      let r: Repository = Repository::new(&shellexpand::tilde(&c.get_string("transcoder.repository").unwrap()));

      // create and start the video transcoder object
      let t: Transcoder = Transcoder::new(c, r);
      t.start();
    },
  }
}