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 { hashSecret } = await import('../src/crypto.js');

const prisma = new PrismaClient();

const DEMO_TENANT_NAME = 'Demo Factory';
const DEMO_ADMIN_EMAIL = 'admin@demo.local';
const DEMO_ADMIN_PASSWORD = 'admin1234';

const OPERATORS = [
  { email: 'op1@demo.local', pin: '1111' },
  { email: 'op2@demo.local', pin: '2222' },
  { email: 'op3@demo.local', pin: '3333' },
];

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,
      passwordHash: await hashSecret(DEMO_ADMIN_PASSWORD),
    },
  });

  for (const op of OPERATORS) {
    await prisma.user.create({
      data: {
        tenantId: tenant.id,
        email: op.email,
        role: UserRole.OPERATOR,
        passwordHash: await hashSecret(op.pin),
      },
    });
  }

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

  // Seed sample maintenance requests so the shift report isn't empty.
  const [wsList, adminUser, op1User] = await Promise.all([
    prisma.workstation.findMany({ where: { tenantId: tenant.id } }),
    prisma.user.findFirst({ where: { tenantId: tenant.id, email: DEMO_ADMIN_EMAIL } }),
    prisma.user.findFirst({ where: { tenantId: tenant.id, email: 'op1@demo.local' } }),
  ]);

  if (wsList.length && adminUser && op1User) {
    const now = new Date();
    const ago = (minutes: number) => new Date(now.getTime() - minutes * 60_000);

    // 6 sample requests spread across "today"
    const samples = [
      // RESOLVED — created 4h ago, claimed 7 min later, resolved 40 min after that
      {
        tenantId: tenant.id,
        workstationId: wsList[0]!.id,
        reportedByUserId: op1User.id,
        description: 'Sensor de pressão com leitura incorreta.',
        status: 'RESOLVED' as const,
        createdAt: ago(240),
        claimedAt: ago(233),
        claimedByUserId: adminUser.id,
        resolvedAt: ago(193),
        resolvedByUserId: adminUser.id,
        resolutionNote: 'Sensor substituído e calibrado.',
        clientRequestId: '00000000-0000-0000-0000-000000000001',
      },
      // RESOLVED — created 3h ago, claimed 12 min later, resolved 55 min after
      {
        tenantId: tenant.id,
        workstationId: wsList[1 % wsList.length]!.id,
        reportedByUserId: op1User.id,
        description: 'Correia de transporte partida na zona B.',
        status: 'RESOLVED' as const,
        createdAt: ago(180),
        claimedAt: ago(168),
        claimedByUserId: adminUser.id,
        resolvedAt: ago(113),
        resolvedByUserId: adminUser.id,
        resolutionNote: 'Correia substituída.',
        clientRequestId: '00000000-0000-0000-0000-000000000002',
      },
      // RESOLVED — created 2h ago, claimed 5 min later, resolved 20 min after
      {
        tenantId: tenant.id,
        workstationId: wsList[2 % wsList.length]!.id,
        reportedByUserId: op1User.id,
        description: 'Falha no painel de controlo, sem resposta ao toque.',
        status: 'RESOLVED' as const,
        createdAt: ago(120),
        claimedAt: ago(115),
        claimedByUserId: adminUser.id,
        resolvedAt: ago(95),
        resolvedByUserId: adminUser.id,
        resolutionNote: 'Reinício do painel resolveu a falha.',
        clientRequestId: '00000000-0000-0000-0000-000000000003',
      },
      // CLAIMED — created 90 min ago, claimed 15 min later, not yet resolved
      {
        tenantId: tenant.id,
        workstationId: wsList[0]!.id,
        reportedByUserId: op1User.id,
        description: 'Vibração excessiva no eixo principal.',
        status: 'CLAIMED' as const,
        createdAt: ago(90),
        claimedAt: ago(75),
        claimedByUserId: adminUser.id,
        clientRequestId: '00000000-0000-0000-0000-000000000004',
      },
      // OPEN — created 45 min ago
      {
        tenantId: tenant.id,
        workstationId: wsList[1 % wsList.length]!.id,
        reportedByUserId: op1User.id,
        description: 'Fuga de óleo hidráulico visível no piso.',
        status: 'OPEN' as const,
        createdAt: ago(45),
        clientRequestId: '00000000-0000-0000-0000-000000000005',
      },
      // OPEN — created 10 min ago
      {
        tenantId: tenant.id,
        workstationId: wsList[2 % wsList.length]!.id,
        reportedByUserId: op1User.id,
        description: 'Alarme sonoro ativo sem causa identificada.',
        status: 'OPEN' as const,
        createdAt: ago(10),
        clientRequestId: '00000000-0000-0000-0000-000000000006',
      },
    ];

    for (const s of samples) {
      await prisma.maintenanceRequest.create({ data: s });
    }

    console.warn(`  pedidos de exemplo: ${samples.length} criados`);
  }

  console.warn(
    `Seed complete — tenant=${tenant.id} (${tenant.name})`,
  );
  console.warn(
    `  admin: ${DEMO_ADMIN_EMAIL} / ${DEMO_ADMIN_PASSWORD}`,
  );
  console.warn(
    `  operadores: ${OPERATORS.map((o) => `${o.email}=${o.pin}`).join(' | ')}`,
  );
}

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