const path = require('path');
require('dotenv').config({ path: path.join(__dirname, '..', '.env') });

const prisma = require('../src/db');
const { isValidPhone, normalizePhone } = require('../src/lib/phone');
const { hashPassword } = require('../src/lib/passwords');

async function main() {
  const name = String(process.env.SEED_ADMIN_NAME || 'Super Admin').trim();
  const phone = normalizePhone(process.env.SEED_ADMIN_PHONE);
  const password = String(process.env.SEED_ADMIN_PASSWORD || '');
  if (!isValidPhone(phone)) {
    throw new Error('SEED_ADMIN_PHONE must be a Sri Lankan mobile number');
  }
  if (password.length < 8) {
    throw new Error('SEED_ADMIN_PASSWORD must be at least 8 characters');
  }

  const passwordHash = await hashPassword(password);
  const existingAdmin = await prisma.user.findFirst({ where: { role: 'superAdmin' } });
  const admin = existingAdmin
    ? await prisma.user.update({
        where: { id: existingAdmin.id },
        data: { name, phone, role: 'superAdmin', dealerId: null, passwordHash },
      })
    : await prisma.user.upsert({
        where: { phone },
        update: { name, role: 'superAdmin', dealerId: null, passwordHash },
        create: { name, phone, role: 'superAdmin', passwordHash },
      });
  console.log(`Seeded super admin ${admin.name} (${admin.phone})`);
}

main()
  .catch((error) => {
    console.error(error);
    process.exitCode = 1;
  })
  .finally(async () => {
    await prisma.$disconnect();
  });