import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { config as loadEnv } from 'dotenv';

// Load repo-root .env so DATABASE_URL is visible when this script runs from
// any CWD (pnpm invokes it from packages/db).
const here = path.dirname(fileURLToPath(import.meta.url));
loadEnv({ path: path.resolve(here, '../../../.env') });

const { PrismaClient, UserRole } = await import('@prisma/client');
const prisma = new PrismaClient();

const DEMO_TENANT_NAME = 'Demo Factory';
const DEMO_ADMIN_EMAIL = 'admin@demo.local';

const OPERATOR_EMAILS = ['op1@demo.local', 'op2@demo.local', 'op3@demo.local'];

const WORKSTATIONS = [
  { code: 'CTR04',     name: 'Controlo 04',          area: 'Montagem' },
  { code: 'QVN_RTL_2', name: 'Retificação Visual 2', area: 'Qualidade' },
  { code: 'MTG_01',    name: 'Montagem 01',           area: 'Montagem' },
];

async function main() {
  // Idempotent: if a prior run created the demo tenant, wipe it and recreate.
  // Cascade deletes on the relations handle the children.
  const existing = await prisma.tenant.findFirst({ where: { name: DEMO_TENANT_NAME } });
  if (existing) {
    await prisma.tenant.delete({ where: { id: existing.id } });
  }

  const tenant = await prisma.tenant.create({
    data: { name: DEMO_TENANT_NAME },
  });

  await prisma.user.create({
    data: {
      tenantId: tenant.id,
      email: DEMO_ADMIN_EMAIL,
      role: UserRole.ADMIN,
    },
  });

  await prisma.user.createMany({
    data: OPERATOR_EMAILS.map((email) => ({
      tenantId: tenant.id,
      email,
      role: UserRole.OPERATOR,
    })),
  });

  await prisma.workstation.createMany({
    data: WORKSTATIONS.map((ws) => ({ tenantId: tenant.id, ...ws })),
  });

  console.warn(
    `Seed complete — tenant=${tenant.id} (${tenant.name}), admin=${DEMO_ADMIN_EMAIL}, operators=${OPERATOR_EMAILS.length}, workstations=${WORKSTATIONS.length}`,
  );
}

main()
  .catch((err) => {
    console.error('Seed failed:', err);
    process.exit(1);
  })
  .finally(async () => {
    await prisma.$disconnect();
  });