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path: root/src/bin/kittybox-mf2.rs
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use clap::Parser;

#[derive(Parser, Debug)]
#[clap(
    name = "kittybox-mf2",
    author = "Vika <vika@fireburn.ru>",
    version = env!("CARGO_PKG_VERSION"),
    about = "Fetch HTML and turn it into MF2-JSON"
)]
struct Args {
    #[clap(value_parser)]
    url: url::Url,
}

#[derive(thiserror::Error, Debug)]
enum Error {
    #[error("http request error: {0}")]
    Http(#[from] reqwest::Error),
    #[error("microformats error: {0}")]
    Microformats(#[from] microformats::Error),
    #[error("json error: {0}")]
    Json(#[from] serde_json::Error),
    #[error("url parse error: {0}")]
    UrlParse(#[from] url::ParseError),
}

#[tokio::main]
async fn main() -> Result<(), Error> {
    let args = Args::parse();

    let http: reqwest::Client = {
        #[allow(unused_mut)]
        let mut builder = reqwest::Client::builder()
            .user_agent(concat!(
                env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION")
            ));

        builder.build().unwrap()
    };

    let response = http.get(args.url.clone()).send().await?;
    let text = response.text().await?;

    let mf2 = microformats::from_html(text.as_ref(), args.url)?;

    println!("{}", serde_json::to_string_pretty(&mf2)?);

    Ok(())
}