#!/usr/bin/env python3
import re
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
ALLOWLIST = {
    ROOT / "splitup.md",
    ROOT / "scripts/check_no_monolith.py",
}

PATTERNS = [
    (r"uvicorn\s+devplacepy\.main:app", "uvicorn monolith boot"),
    (r"from devplacepy\.main import", "main.py import"),
    (r"import devplacepy\.main", "main.py import"),
    (r"devplacepy\.main:app", "main app string"),
    (r"DEVPLACE_DB_MODE", "hybrid DB mode flag"),
    (r"make dev-monolith", "dev-monolith target"),
    (r"make prod-monolith", "prod-monolith target"),
    (r"DEVPLACE_TEST_PORT=10501", "legacy test port default"),
    (r"monolith-dev", "monolith port profile"),
]

PHASE = sys.argv[1] if len(sys.argv) > 1 else "m7"


def scan_file(path: Path) -> list[str]:
    if path in ALLOWLIST:
        return []
    try:
        text = path.read_text(encoding="utf-8", errors="ignore")
    except OSError:
        return []
    hits = []
    for pattern, label in PATTERNS:
        if re.search(pattern, text):
            hits.append(f"{path.relative_to(ROOT)}: {label}")
    return hits


def main() -> int:
    import subprocess

    db_check = subprocess.run(
        [sys.executable, str(ROOT / "scripts" / "check_database_imports.py")],
        capture_output=True,
        text=True,
        check=False,
    )
    if db_check.returncode != 0:
        print(db_check.stdout or db_check.stderr)
        return 1
    globs = [
        "Makefile",
        "Dockerfile",
        "docker-compose*.yml",
        ".gitea/**/*.yaml",
        "CLAUDE.md",
        "README.md",
        "pyproject.toml",
        "devplacepy/**/*.py",
        "tests/**/*.py",
        "orchestrator.py",
    ]
    errors = []
    for pattern in globs:
        for path in ROOT.glob(pattern):
            if path.is_file():
                errors.extend(scan_file(path))
    if PHASE in ("m3", "m6", "m7") and (ROOT / "devplacepy/main.py").exists():
        if PHASE == "m7":
            errors.append("devplacepy/main.py: file must be deleted at M7")
        elif PHASE == "m3":
            pass
    if errors:
        print("MONOLITH ARTIFACTS FOUND:")
        for line in sorted(set(errors)):
            print(f"  {line}")
        return 1
    print("check_no_monolith: ok")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())