"""Patch (2026-10-14, Okseong P1 G3): builders receive the global GATE (gate id), so the generic centreline builder
rebar_polylines.py can serve G3 (params footing_rebar) as well as G4 (params coping_rebar).
Backups: backup/2026-10-14_okseong_g3/. Other builders ignore the extra global."""
from pathlib import Path

APP = Path(__file__).resolve().parents[2]


def patch(path, reps):
    s = path.read_text(encoding="utf-8")
    for a, b in reps:
        assert s.count(a) == 1, (path.name, a[:60])
        s = s.replace(a, b)
    path.write_text(s, encoding="utf-8")


patch(APP / "engine" / "pipeline.py", [(
    '''        steps.append({"name": f"{g}:{script}", "script": RHINO_DIR / script, "globals": glb})''',
    '''        steps.append({"name": f"{g}:{script}", "script": RHINO_DIR / script, "globals": dict(glb, GATE=g)})''')])
patch(APP / "engine" / "gates.py", [(
    '''        steps.append({"name": f"{g}:{script}", "script": RHINO_DIR / script, "globals": glb})''',
    '''        steps.append({"name": f"{g}:{script}", "script": RHINO_DIR / script, "globals": dict(glb, GATE=g)})''')])
patch(APP / "engine" / "rhino" / "rebar_polylines.py", [
    ('''Ids: <pier>-R-<mark>-<occ> (pipe) and <pier>-RC-<mark>-<occ> (centreline).
"""''',
     '''Ids: <pier>-R-<mark>-<occ> (pipe) and <pier>-RC-<mark>-<occ> (centreline).
Section by gate (2026-10-14, Okseong P1): GATE "G3" -> params footing_rebar, otherwise coping_rebar.
"""'''),
    ('''SEC = P["coping_rebar"]''',
     '''SEC = P["footing_rebar" if globals().get("GATE") == "G3" else "coping_rebar"]'''),
])
print("patched")