//! `joule-code-conformance` — round-trip the published wire vectors.
//!
//! Usage: `joule-code-conformance verify <pack-dir>` (e.g. `verify ../conformance/v1`).
//! Exits non-zero if any vector FAILs (CI-ready). SKIPs (derived fields pending
//! regeneration, see `conformance/v1/regeneration.md`) do not fail the run.

use std::path::PathBuf;
use std::process::ExitCode;

fn main() -> ExitCode {
    let args: Vec<String> = std::env::args().collect();
    match args.get(1).map(String::as_str) {
        Some("verify") => {
            let dir = PathBuf::from(args.get(2).map(String::as_str).unwrap_or("conformance/v1"));
            match joule_code_conformance::verify_pack(&dir) {
                Ok(report) => {
                    for line in &report.lines {
                        println!("{line}");
                    }
                    println!(
                        "\n{} passed, {} failed, {} skipped (pending regeneration)",
                        report.pass, report.fail, report.skip
                    );
                    if report.fail > 0 {
                        ExitCode::FAILURE
                    } else {
                        ExitCode::SUCCESS
                    }
                }
                Err(e) => {
                    eprintln!("error: {e}");
                    ExitCode::FAILURE
                }
            }
        }
        _ => {
            eprintln!("usage: joule-code-conformance verify <pack-dir>");
            ExitCode::FAILURE
        }
    }
}