"""Crawler for the NFDA (National Funeral Directors Association) directory.

Source: https://nfda.com.au/find-your-local-nfda-member/
Method: WPSL JSON API (GET requests with lat/lng search)
Fields: name, address, city, state, postcode, lat/lng, phone, email
"""

import time
import json
from pathlib import Path

from base import (
    fetch_json, get_db, start_crawl_log, finish_crawl_log,
    store_source_record, normalize_phone, normalize_state,
    generate_slug, to_intermediate, CRAWL_DELAY,
)

SOURCE_NAME = "nfda"
API_URL = "https://nfda.com.au/wp-admin/admin-ajax.php"

# Search centroids covering Australia with large radius
SEARCH_POINTS = [
    {"name": "Sydney", "lat": -33.87, "lng": 151.21},
    {"name": "Melbourne", "lat": -37.81, "lng": 144.96},
    {"name": "Brisbane", "lat": -27.47, "lng": 153.03},
    {"name": "Perth", "lat": -31.95, "lng": 115.86},
    {"name": "Adelaide", "lat": -34.93, "lng": 138.60},
    {"name": "Hobart", "lat": -42.88, "lng": 147.33},
    {"name": "Darwin", "lat": -12.46, "lng": 130.85},
    {"name": "Townsville", "lat": -19.26, "lng": 146.82},
    {"name": "Central NSW", "lat": -30.0, "lng": 150.0},
    {"name": "Inland QLD", "lat": -23.0, "lng": 145.0},
]


def fetch_members(lat: float, lng: float, max_results: int = 50,
                  radius: int = 5000) -> list[dict]:
    """Fetch NFDA members near a given lat/lng."""
    params = {
        "action": "store_search",
        "lat": str(lat),
        "lng": str(lng),
        "max_results": str(max_results),
        "search_radius": str(radius),
        "autoload": "1",
    }
    data = fetch_json(API_URL, method="GET", data=params)
    if isinstance(data, list):
        return data
    return []


def to_normalized(record: dict) -> dict:
    """Convert an NFDA record to intermediate format."""
    state = normalize_state(record.get("state", ""))

    business = {
        "name": record.get("store", "").strip(),
        "abn": None,
        "phone": normalize_phone(record.get("phone")),
        "email": record.get("email", "").strip() or None,
        "website": record.get("url", "").strip() or None,
        "description": None,
    }

    lat_val = record.get("lat")
    lng_val = record.get("lng")
    try:
        lat_val = float(lat_val) if lat_val else None
        lng_val = float(lng_val) if lng_val else None
    except (ValueError, TypeError):
        lat_val = lng_val = None

    city = record.get("city", "").strip()
    # Normalize city casing (some are ALL CAPS)
    if city and city == city.upper():
        city = city.title()

    locations = [{
        "address": record.get("address", "").strip(),
        "suburb": city,
        "state": state,
        "postcode": record.get("zip", "").strip(),
        "lat": lat_val,
        "lng": lng_val,
        "phone": normalize_phone(record.get("phone")),
    }]

    source_id = str(record.get("id", ""))
    return to_intermediate(
        source=SOURCE_NAME,
        source_id=source_id,
        source_url="https://nfda.com.au/find-your-local-nfda-member/",
        business=business,
        locations=locations,
    )


def run():
    """Run the full NFDA crawl."""
    db = get_db()
    log_id = start_crawl_log(db, SOURCE_NAME)
    print(f"[{SOURCE_NAME}] Starting crawl (log_id={log_id})")

    seen_ids = set()
    all_records = []
    found = 0
    new = 0
    skipped = 0

    try:
        for point in SEARCH_POINTS:
            print(f"  Searching near {point['name']}...", end=" ", flush=True)
            members = fetch_members(point["lat"], point["lng"])
            new_count = 0

            for member in members:
                member_id = str(member.get("id", ""))
                if member_id in seen_ids:
                    continue
                seen_ids.add(member_id)
                all_records.append(member)
                new_count += 1

            print(f"{len(members)} results, {new_count} new unique")
            found += len(members)
            time.sleep(CRAWL_DELAY)

        print(f"  Total unique members: {len(all_records)}")

        # Store records
        for record in all_records:
            source_id = str(record.get("id", ""))
            row_id = store_source_record(
                db, SOURCE_NAME, source_id,
                "https://nfda.com.au/find-your-local-nfda-member/",
                record, log_id
            )
            if row_id:
                normalized = to_normalized(record)
                db.execute(
                    "UPDATE source_record SET normalized_data = ? WHERE id = ?",
                    (json.dumps(normalized), row_id)
                )
                new += 1
            else:
                skipped += 1

        db.commit()
        finish_crawl_log(db, log_id, found, new, 0, skipped)
        print(f"[{SOURCE_NAME}] Done: {found} found, {new} new, {skipped} skipped")

    except Exception as e:
        finish_crawl_log(db, log_id, found, new, 0, skipped, "failed", str(e))
        raise
    finally:
        db.close()

    return all_records


if __name__ == "__main__":
    run()