"""Command-line twin of the web screen "도면에서 읽기" (engine/geomread.py): print / write the values read from an Ungok-type pier drawing into
data/<pier>/params.json and expected.json (2026-10-19, rewritten on top of engine/geomread 2026-10-20).
    python tools/apply_pier_read.py 운곡교P1 --dry     (a finished pier: only rounding changes; see tools/test_geomread.py)
usage: python tools/apply_pier_read.py <pier> [--dry]     backs up params / expected / confirm first; table + anchor candidates are applied afterwards (candidates screen)."""
import shutil
import sys
import time
from pathlib import Path

APP = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(APP / "web"))
sys.path.insert(0, str(APP))
import store  # noqa: E402
from engine import geomread  # noqa: E402

name = sys.argv[1]
pier = store.Pier(name)
P, E = pier.load("params"), pier.load("expected")
ref = store.rjson(store.template_dir("운곡교P1형") / "params.json")
audit = store.rjson(pier.drawings / "audit.json", [])
P2, E2, changes, notes = geomread.read(P, E, ref, pier.texts(), geomread.dxf_of(pier.dir, audit), name)
print(f"{name}: {len(changes)} changes")
for c in changes:
    brief = lambda v: v if not isinstance(v, (list, dict)) else f"{type(v).__name__}[{len(v)}]"          # noqa: E731
    print(f"  {c['file']}:{c['path']:58s} {str(brief(c['old']))[:22]:>22} -> {str(brief(c['new']))[:30]:<30} | {c['why']}")
for n in notes:
    print("NOTE:", n)
if "--dry" in sys.argv:
    sys.exit(0)
bk = pier.dir / "backup" / f"before_apply_pier_read_{time.strftime('%Y%m%d_%H%M%S')}"
bk.mkdir(parents=True)
for f in ("params.json", "expected.json", "confirm.json"):
    if (pier.dir / f).exists():
        shutil.copy2(pier.dir / f, bk / f)
pier.save("params", P2)
pier.save("expected", E2)
print("saved; backup:", bk)