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

fn main() -> Result<ExitCode, Box<dyn std::error::Error>> {
    let rt = tokio::runtime::Runtime::new()?;
    rt.block_on(async {
        let main_body_result = main_body().await;
        main_body_result
    })
}

async fn main_body() -> Result<ExitCode, Box<dyn std::error::Error>> {
    let args = Cli::parse();
    match args.command {
        Commands::Init(_args) => {}
        Commands::Build(_args) => {}
        Commands::AddPost(_args) => {}
    };
    Ok(ExitCode::SUCCESS)
}

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

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

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

    /// Add a blog post to the site.
    AddPost(BuildArgs),
}

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

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

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