//! The undo CLI selects journal entries through the reserved host HTTP API.
use clap::Parser;
#[derive(Parser)]
struct Args {
    /// A tag, or the list/show command.
    #[arg(required_unless_present = "since")]
    action: Option<String>,
    #[arg(required_if_eq("action", "show"))]
    tag: Option<String>,
    #[arg(long)]
    conversation: Option<String>,
    #[arg(long, conflicts_with = "action")]
    since: Option<i64>,
    #[arg(long)]
    force: bool,
}
fn main() {
    let args = Args::parse();
    let mut url = url::Url::parse("http://host.sausage/undo").unwrap();
    let mut transfer = vec!["undo-http".to_owned()];
    match args.action.as_deref() {
        Some("list") => {
            if let Some(conversation) = args.conversation {
                url.query_pairs_mut()
                    .append_pair("conversation", &conversation);
            }
        }
        Some("show") => {
            let tag = args.tag.expect("required show tag");
            url.set_path("/undo/show");
            url.query_pairs_mut().append_pair("tag", &tag);
        }
        tag => {
            let body = serde_json::json!({"tag":tag,"since":args.since,"force":args.force});
            transfer.extend(["--json".into(), body.to_string()]);
        }
    }
    transfer.extend(["--fail-with-body".into(), url.to_string()]);
    let mut request = curl::Args::parse_from(transfer);
    request.parts = request.json.iter().map(|s| (s.clone(), 3)).collect();
    if let Err(error) = curl::run(&request) {
        eprintln!("undo: {}", error.message);
        std::process::exit(error.code);
    }
}