from __future__ import annotations


MANDATORY_SAFETY_NOTES = [
    "Preliminary site-analysis assistant.",
    "Verify on site.",
    "Public data may be coarse or incomplete.",
    "Drawn boundaries are approximate.",
    "CAD boundary is only as reliable as the uploaded drawing.",
    "Soil/foundation requires professional geotechnical verification.",
    "This does not replace architect/engineer judgment.",
]

FORBIDDEN_PHRASES = [
    "Use this foundation",
    "This foundation is safe",
    "Exact legal boundary",
    "This soil is exact",
    "No site visit is needed",
    "No professional verification is needed",
    "This design is correct",
]


def safety_block() -> str:
    return "\n".join(f"- {note}" for note in MANDATORY_SAFETY_NOTES)


def find_forbidden_phrases(text: str) -> list[str]:
    lower = text.lower()
    return [phrase for phrase in FORBIDDEN_PHRASES if phrase.lower() in lower]


def assert_safe_text(text: str) -> None:
    found = find_forbidden_phrases(text)
    if found:
        raise ValueError("Unsafe report text contains: " + ", ".join(found))