import argparse, sys
from config import Config
from orchestrator import run_pipeline


def main():
    parser = argparse.ArgumentParser(description="COBOL->Java migration verification")
    parser.add_argument("--copybook", required=True)
    parser.add_argument("--cobol-src", required=True)
    parser.add_argument("--java-src", required=True)
    parser.add_argument("--mapping", required=True)
    parser.add_argument("--runner", choices=["native", "spark"], default="native")
    parser.add_argument("--coverage", choices=["boundary", "branch"], default="boundary")
    parser.add_argument("--tolerance", type=float, default=0.01)
    parser.add_argument("--verbose", action="store_true")
    parser.add_argument("--output-dir", default="./reports")
    args = parser.parse_args()

    cfg = Config()
    cfg.runner_mode = args.runner
    cfg.coverage_default = args.coverage
    cfg.tolerance = args.tolerance

    vr = run_pipeline(cfg, args.copybook, args.cobol_src, args.java_src, args.mapping)
    total = vr.fields_matched + vr.fields_mismatched
    print(f"{vr.program}: {vr.status} ({vr.fields_matched}/{total} fields, {vr.duration_s:.0f}s)")
    sys.exit(vr.exit_code)


if __name__ == "__main__":
    main()