import sqlite3
from typing import Optional
from fastapi import APIRouter


def make_router(settings, db_factory):
    router = APIRouter(prefix="/api")

    @router.get("/search")
    def search(q: str, date: Optional[str] = None):
        if not q.strip():
            return []
        db: sqlite3.Connection = db_factory()
        rows = db.execute("""
            SELECT u.*, r.name as room_name, s.name as speaker_name
            FROM utterances_fts fts
            JOIN utterances u ON u.id = fts.rowid
            JOIN rooms r ON u.room_id = r.id
            LEFT JOIN speakers s ON u.speaker_id = s.id
            WHERE utterances_fts MATCH ?
            ORDER BY u.start_time DESC
            LIMIT 100
        """, (q.strip(),)).fetchall()
        return [dict(r) for r in rows]

    return router