use clap::Args;
use clap::Parser;
use clap::Subcommand;
use std::path::PathBuf;

#[derive(Parser, Debug)]
#[command(name = "Natter")]
#[command(version = env!("CARGO_PKG_VERSION"))]
#[command(about = "Generate a static site.", long_about = None)]
#[command(propagate_version = true)]
pub(crate) struct Cli {
    #[command(subcommand)]
    pub(crate) command: Commands,
}

#[derive(Subcommand, Debug)]
pub(crate) enum Commands {
    /// Initialize an empty website folder.
    Init(InitArgs),

    /// Build the static site.
    Build(BuildArgs),
}

#[derive(Args, Debug)]
pub(crate) struct InitArgs {
    /// Path where you want the initial natter structure to be located.
    #[arg(short, long)]
    pub(crate) path: PathBuf,
}

#[derive(Args, Debug)]
pub(crate) struct BuildArgs {
    /// Path to the natter config file.
    #[arg(short, long)]
    pub(crate) config: PathBuf,
}

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

    #[test]
    fn verify_cli() {
        use clap::CommandFactory;
        Cli::command().debug_assert()
    }
}