// Creates and seeds the Waseel database tables on Neon.
// Usage: node scripts/seed-db.mjs   (reads DATABASE_URL from .env)

import { neon } from "@neondatabase/serverless";
import { readFileSync } from "fs";

const env = readFileSync(new URL("../.env", import.meta.url), "utf8");
const databaseUrl = env
  .split("\n")
  .find((l) => l.startsWith("DATABASE_URL="))
  ?.split("=")
  .slice(1)
  .join("=")
  .trim()
  .replace(/^"|"$/g, "");

if (!databaseUrl) {
  console.error("DATABASE_URL not found in .env");
  process.exit(1);
}

const sql = neon(databaseUrl);

await sql`CREATE TABLE IF NOT EXISTS users (
  id SERIAL PRIMARY KEY,
  name VARCHAR(255) NOT NULL,
  email VARCHAR(255) NOT NULL,
  clerk_id VARCHAR(255) NOT NULL,
  role VARCHAR(20),
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)`;

// For databases created before roles existed.
await sql`ALTER TABLE users ADD COLUMN IF NOT EXISTS role VARCHAR(20)`;

await sql`CREATE TABLE IF NOT EXISTS drivers (
  id SERIAL PRIMARY KEY,
  first_name VARCHAR(100) NOT NULL,
  last_name VARCHAR(100) NOT NULL,
  profile_image_url TEXT,
  car_image_url TEXT,
  car_seats INTEGER NOT NULL,
  rating NUMERIC(2,1) NOT NULL
)`;

await sql`CREATE TABLE IF NOT EXISTS rides (
  ride_id SERIAL PRIMARY KEY,
  origin_address TEXT NOT NULL,
  destination_address TEXT NOT NULL,
  origin_latitude DOUBLE PRECISION NOT NULL,
  origin_longitude DOUBLE PRECISION NOT NULL,
  destination_latitude DOUBLE PRECISION NOT NULL,
  destination_longitude DOUBLE PRECISION NOT NULL,
  ride_time INTEGER NOT NULL,
  fare_price INTEGER NOT NULL,
  payment_status VARCHAR(50) NOT NULL,
  driver_id INTEGER NOT NULL REFERENCES drivers(id),
  user_id VARCHAR(255) NOT NULL,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)`;

const count = await sql`SELECT COUNT(*)::int AS n FROM drivers`;
if (count[0].n === 0) {
  await sql`INSERT INTO drivers
    (first_name, last_name, profile_image_url, car_image_url, car_seats, rating)
  VALUES
    ('Karim', 'Haddad', 'https://randomuser.me/api/portraits/men/32.jpg', 'https://images.unsplash.com/photo-1555215695-3004980ad54e?w=600', 4, 4.8),
    ('Rana', 'Khalil', 'https://randomuser.me/api/portraits/women/44.jpg', 'https://images.unsplash.com/photo-1552519507-da3b142c6e3d?w=600', 4, 4.9),
    ('Omar', 'Chehab', 'https://randomuser.me/api/portraits/men/75.jpg', 'https://images.unsplash.com/photo-1580273916550-e323be2ae537?w=600', 4, 4.6),
    ('Layal', 'Abou-Jaoude', 'https://randomuser.me/api/portraits/women/68.jpg', 'https://images.unsplash.com/photo-1590362891991-f776e747a588?w=600', 2, 4.7)`;
  console.log("Seeded 4 drivers.");
} else {
  console.log(`Drivers table already has ${count[0].n} rows, skipping seed.`);
}

console.log("Database ready.");