use clap::{command, Parser, Subcommand};

#[derive(Parser, PartialEq, Debug)]
#[command(author, version, about, long_about = None)]
pub struct CliArgs {
    #[command(subcommand)]
    pub command: Commands,
}

#[derive(Subcommand, PartialEq, Debug)]
pub enum Commands {
    Run {
        /// JavaScript file containing the Station Module to run
        file: String,
    },
}

#[cfg(test)]
mod tests {
    use super::*;
    use pretty_assertions::assert_eq;

    #[test]
    fn run_js() {
        let args = CliArgs::parse_from(["zinnia", "run", "mod.js"]);
        assert_eq!(
            args,
            CliArgs {
                command: Commands::Run {
                    file: "mod.js".to_string()
                }
            },
        );
    }
}