/**
 * Dev-only: seed today's `ride_wait_samples` for one ride with a mix of
 * open + outage data so the WaitTimeTodayChart renders something we can
 * eyeball. Idempotent for a given ride: wipes then reinserts today's rows.
 */
import Database from "better-sqlite3";
import path from "path";

const PARK_ID = process.argv[2] ?? "greatamerica";
const RIDE_SLUG = process.argv[3] ?? "raging-bull";

const db = new Database(path.join(__dirname, "..", "data", "parks.db"));
const ride = db
  .prepare("SELECT park_id, qt_ride_id, name FROM rides WHERE park_id = ? AND slug = ?")
  .get(PARK_ID, RIDE_SLUG) as { park_id: string; qt_ride_id: number; name: string } | undefined;

if (!ride) {
  console.error(`No ride found for ${PARK_ID}/${RIDE_SLUG} — trigger sampler first.`);
  process.exit(1);
}
console.log("Seeding for:", ride.name);

const TZ_OFFSET_HOURS = -5; // Central daylight = UTC-5 (May 30, 2026 is CDT)
const today = new Date();
const yyyy = today.getUTCFullYear();
const mm = String(today.getUTCMonth() + 1).padStart(2, "0");
const dd = String(today.getUTCDate()).padStart(2, "0");
const todayLocal = `${yyyy}-${mm}-${dd}`;

// Wipe today's rows for this ride.
db.prepare(
  "DELETE FROM ride_wait_samples WHERE park_id = ? AND qt_ride_id = ? AND local_date = ?",
).run(ride.park_id, ride.qt_ride_id, todayLocal);

const insert = db.prepare(
  `INSERT INTO ride_wait_samples
     (park_id, qt_ride_id, recorded_at, local_date, local_time, is_open, wait_minutes, fast_lane_minutes)
   VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
);

// Build samples at 5-min cadence from 10:00 local through 18:00 local with
// two outages: 12:15-12:45 (#1, 30 min) and 15:30-17:00 (#2, 1h 30m).
const startLocalMin = 10 * 60;
const endLocalMin = 18 * 60;
const o1Start = 12 * 60 + 15;
const o1End = 12 * 60 + 45;
const o2Start = 15 * 60 + 30;
const o2End = 17 * 60;

const dateBase = new Date(`${todayLocal}T00:00:00Z`).getTime();
let count = 0;
for (let m = startLocalMin; m <= endLocalMin; m += 5) {
  const isOpen = !((m >= o1Start && m < o1End) || (m >= o2Start && m < o2End));
  const wait = isOpen ? 15 + Math.floor((m - startLocalMin) / 30) * 5 : null;
  const fl = isOpen ? (m < 12 * 60 ? 0 : 5) : null; // walk-on morning, 5 min afternoon
  const localTime = `${String(Math.floor(m / 60)).padStart(2, "0")}:${String(m % 60).padStart(2, "0")}`;
  const utcMin = m - TZ_OFFSET_HOURS * 60;
  const recordedAt = new Date(dateBase + utcMin * 60_000).toISOString();
  insert.run(
    ride.park_id,
    ride.qt_ride_id,
    recordedAt,
    todayLocal,
    localTime,
    isOpen ? 1 : 0,
    wait,
    fl,
  );
  count++;
}
console.log(`Inserted ${count} samples for ${todayLocal}`);
db.close();