"""Conservative fiscal determination with no inferred tax rules."""


class FiscalDetermination:
    def determine(self, context):
        candidates = context.get("cest_candidates", [])
        cest = candidates[0] if len(candidates) == 1 else None
        reason_codes = ["OFFICIAL_RULE_NOT_IMPLEMENTED", "MISSING_ST_DETERMINATION", "MISSING_PRODUCT_ORIGIN"]
        if len(candidates) > 1:
            reason_codes.append("CEST_AMBIGUOUS")
        return {"cest": cest, "csosn": None, "cfop": None, "confidence": 0.0, "reason_codes": reason_codes, "can_auto_apply": False}