"""
web.py — huizenbot web interface
Single route: query SQLite, SSR listings into index.html template.
"""
import json
import sqlite3
import os
from flask import Flask, render_template, g

DB_PATH = os.environ.get("DB_PATH", "/data/huizenbot.db")
APP_ENV = os.environ.get("APP_ENV", "dev")

app = Flask(__name__)


def get_db():
    if "db" not in g:
        conn = sqlite3.connect(DB_PATH)
        conn.row_factory = sqlite3.Row
        g.db = conn
    return g.db


@app.teardown_appcontext
def close_db(e=None):
    db = g.pop("db", None)
    if db is not None:
        db.close()


@app.route("/")
def index():
    conn = get_db()
    rows = conn.execute("""
        SELECT
            id, url, source_makelaar, first_seen, last_seen, datum_aanmelding,
            status, adres, postcode, stad,
            prijs, woningtype, woonoppervlak, perceeloppervlak,
            kamers, slaapkamers, bouwjaar, energielabel,
            hero_image_url,
            fiets_mark, fiets_michelle, ov_mark, ov_michelle,
            extra
        FROM woningen
        WHERE status = 'beschikbaar'
        ORDER BY first_seen DESC
    """).fetchall()

    listings = []
    for row in rows:
        d = dict(row)
        try:
            d["extra"] = json.loads(d["extra"]) if d["extra"] else {}
        except Exception:
            d["extra"] = {}
        listings.append(d)

    return render_template("index.html", listings_json=json.dumps(listings, ensure_ascii=False))


if __name__ == "__main__":
    if APP_ENV == "dev":
        app.run(debug=True, host="0.0.0.0", port=5005)
    else:
        from waitress import serve
        serve(app, host="0.0.0.0", port=5005)