"""Blueprint mapping administrative topics to the right staff contacts."""

from __future__ import annotations

import re
from typing import Any, List

from .base import AnalysisContext, Blueprint, BlueprintResult, Fact


class StaffSupportBlueprint(Blueprint):
    """Suggest staff contacts for administrative questions."""

    name = "staff_support"

    def run(self, context: AnalysisContext, **kwargs: Any) -> BlueprintResult:
        query = (kwargs.get("topic") or kwargs.get("need") or kwargs.get("keyword") or "").strip()
        if not query:
            return BlueprintResult(self.name, kwargs, facts=[], notes=["Let me know what kind of help you need (e.g., reimbursements, travel, advising)."])

        staff = context.catalog.try_get("staff")
        if not staff:
            return BlueprintResult(self.name, kwargs, facts=[], notes=["Staff directory is unavailable right now."])

        query_terms = [term for term in re.split(r"[^a-z0-9]+", query.lower()) if term]
        matches = []
        for row in staff.records:
            haystack = " ".join(str(row.get(field, "")).lower() for field in ("Role", "Title"))
            if all(term in haystack for term in query_terms):
                matches.append(row)

        facts: List[Fact] = []
        origin = staff.origin
        for row in matches:
            facts.append(
                Fact(
                    subject=row.get("Name", "Unknown"),
                    predicate="staff_support",
                    value={
                        "title": row.get("Title"),
                        "role": row.get("Role"),
                        "location": row.get("Room Location"),
                    },
                    source=origin,
                    confidence=0.85,
                )
            )

        notes: List[str] = []
        if not facts:
            notes.append(f"I couldn't find a staff contact that mentions '{query}'.")

        return BlueprintResult(self.name, kwargs, facts=facts, notes=notes)