// Seed a single user (no places/collections). Use after `npm run db:push`.
// Defaults to vodanh.2901@gmail.com / renolation. Pass args to override.
//
//   node --env-file=.env.local db/seed-user.mjs
//   node --env-file=.env.local db/seed-user.mjs other@email.com pw123456 "Other Name"

import bcrypt from "bcryptjs";
import pg from "pg";

const EMAIL = process.argv[2] || "vodanh.2901@gmail.com";
const PASSWORD = process.argv[3] || "renolation";
const NAME = process.argv[4] || "Vô Danh";

function deriveInitials(name) {
  const parts = name.trim().split(/\s+/);
  if (parts.length >= 2) {
    return (parts[0][0] + parts[parts.length - 1][0]).toUpperCase();
  }
  return parts[0].slice(0, 2).toUpperCase();
}

const conn = process.env.DATABASE_URL
  ? { connectionString: process.env.DATABASE_URL }
  : {
      host: process.env.PGHOST,
      user: process.env.PGUSER,
      password: process.env.PGPASSWORD,
      database: process.env.PGDATABASE,
    };

const client = new pg.Client(conn);
await client.connect();

const hash = await bcrypt.hash(PASSWORD, 10);
const initials = deriveInitials(NAME);

const res = await client.query(
  `INSERT INTO users (email, password_hash, name, initials)
   VALUES ($1, $2, $3, $4)
   ON CONFLICT (email) DO UPDATE SET password_hash = EXCLUDED.password_hash
   RETURNING id`,
  [EMAIL, hash, NAME, initials],
);

console.log(`[user] ${EMAIL} → id=${res.rows[0].id}`);
console.log(`[login] ${EMAIL} / ${PASSWORD}`);

await client.end();