use std::path::PathBuf;

use anyhow::{Context, anyhow};
use webapi::openapi::api_doc;

fn main() -> anyhow::Result<()> {
    let json = api_doc()
        .to_pretty_json()
        .context("serializing openapi doc")?;

    let crate_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    let root = crate_dir
        .ancestors()
        .nth(2)
        .ok_or_else(|| anyhow!("workspace root not found above {}", crate_dir.display()))?;
    let output = root.join("openapi.json");

    std::fs::write(&output, json).with_context(|| format!("writing {}", output.display()))?;
    println!("wrote {}", output.display());
    Ok(())
}