"""실제 연습과 전이 평가가 공유하는 competency 분류."""

from __future__ import annotations


def target_techniques(competency_id: str) -> frozenset[str] | None:
    key = competency_id.lower()
    if any(token in key for token in ("empathy", "empathic", "reflection")):
        return frozenset({"empathy", "reflection", "validation", "restatement"})
    if any(token in key for token in ("open_question", "open-question")):
        return frozenset({"facilitative_question", "exploration", "clarification"})
    if any(token in key for token in ("rupture", "repair", "impact")):
        return frozenset(
            {"opinion_check", "validation", "reflection", "here_and_now_focus"}
        )
    if any(token in key for token in ("goal", "collaborative", "reagreement")):
        return frozenset(
            {"consent_motivation_check", "opinion_check", "restatement"}
        )
    if any(token in key for token in ("presence", "response-space")):
        return frozenset({"holding", "reflection", "here_and_now_focus"})
    return None