import { afterAll, beforeAll, describe, expect, it } from 'vitest';
import { Database } from '../../src/infrastructure/database.js';
import { newUlid, parseUlid } from '../../src/core/ids.js';

const connectionString = process.env.DATABASE_TEST_URL;
const describeDatabase = connectionString ? describe : describe.skip;

describeDatabase('PostgreSQL tenant isolation', () => {
  const database = new Database(connectionString!);
  const tenantA = parseUlid('01J0000000000000000000000A');
  const tenantB = parseUlid('01J0000000000000000000000B');
  const actorA = parseUlid('01J0000000000000000000001A');
  const actorB = parseUlid('01J0000000000000000000001B');
  const eventId = newUlid();
  const professionId = newUlid();
  const employeeIdA = newUlid();
  const subscriptionIdA = newUlid();
  const deliveryIdA = newUlid();

  beforeAll(async () => {
    const role = await database.pool.query(
      'SELECT rolsuper, rolbypassrls FROM pg_roles WHERE rolname = current_user',
    );
    expect(role.rows[0]).toEqual({ rolsuper: false, rolbypassrls: false });
  });

  afterAll(async () => {
    await database.tenantTransaction(tenantA, actorA, async (client) => {
      await client.query('DELETE FROM staff_notification_deliveries WHERE id = $1', [deliveryIdA]);
      await client.query('DELETE FROM staff_push_subscriptions WHERE id = $1', [subscriptionIdA]);
      await client.query('DELETE FROM staff_outbox WHERE id = $1', [eventId]);
      await client.query('DELETE FROM staff_professions WHERE id = $1', [professionId]);
      await client.query('DELETE FROM staff_employees WHERE id = $1', [employeeIdA]);
    });
    await database.close();
  });

  it('prevents reads and writes across two tenants', async () => {
    await database.tenantTransaction(tenantA, actorA, async (client) => {
      await client.query(
        `INSERT INTO staff_outbox
          (id, tenant_id, event_type, event_version, subject_type, subject_id, actor_type, actor_id, payload, correlation_id, occurred_at)
         VALUES ($1, $2, 'staff.Test', 1, 'staff.Employee', $3, 'user', $4, '{}'::jsonb, $5, now())`,
        [eventId, tenantA, newUlid(), actorA, newUlid()],
      );
    });

    const visibleToA = await database.tenantTransaction(tenantA, actorA, (client) =>
      client.query('SELECT id FROM staff_outbox WHERE id = $1', [eventId]),
    );
    expect(visibleToA.rowCount).toBe(1);

    const visibleToB = await database.tenantTransaction(tenantB, actorB, (client) =>
      client.query('SELECT id FROM staff_outbox WHERE id = $1', [eventId]),
    );
    expect(visibleToB.rowCount).toBe(0);

    await database.tenantTransaction(tenantA, actorA, (client) =>
      client.query(
        `INSERT INTO staff_professions (id, tenant_id, code, name)
         VALUES ($1, $2, 'cook', 'Повар')`,
        [professionId, tenantA],
      ),
    );
    const professionsVisibleToB = await database.tenantTransaction(tenantB, actorB, (client) =>
      client.query('SELECT id FROM staff_professions WHERE id = $1', [professionId]),
    );
    expect(professionsVisibleToB.rowCount).toBe(0);
    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_professions (id, tenant_id, code, name)
           VALUES ($1, $2, 'foreign', 'Чужая профессия')`,
          [newUlid(), tenantA],
        ),
      ),
    ).rejects.toThrow();

    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_outbox
          (id, tenant_id, event_type, event_version, subject_type, subject_id, actor_type, actor_id, payload, correlation_id, occurred_at)
         VALUES ($1, $2, 'staff.Test', 1, 'staff.Employee', $3, 'user', $4, '{}'::jsonb, $5, now())`,
          [newUlid(), tenantA, newUlid(), actorB, newUlid()],
        ),
      ),
    ).rejects.toThrow();

    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_pay_assignments
          (id, tenant_id, employee_id, pay_rule_id, effective_from, params, pool_weight_bp, created_by)
         VALUES ($1, $2, $3, $4, '2026-01-01', '{}'::jsonb, 0, $5)`,
          [newUlid(), tenantA, newUlid(), newUlid(), actorB],
        ),
      ),
    ).rejects.toThrow();

    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_payroll_ledger
          (id, tenant_id, employee_id, business_date, kind, amount_minor, currency_code, ref_type, ref_id, correlation_id, note, created_by, external_key)
         VALUES ($1, $2, $3, '2026-01-01', 'accrual', 1000, 'RUB', 'payroll_run', $4, $5, 'test', $6, $7)`,
          [newUlid(), tenantA, newUlid(), newUlid(), newUlid(), actorB, newUlid()],
        ),
      ),
    ).rejects.toThrow();

    // Push subscriptions tenant isolation
    await database.tenantTransaction(tenantA, actorA, async (client) => {
      await client.query(
        `INSERT INTO staff_employees (id, tenant_id, personnel_number, display_name)
         VALUES ($1, $2, 'EMP-PUSH-1', 'Тестовый сотрудник')`,
        [employeeIdA, tenantA],
      );
      await client.query(
        `INSERT INTO staff_push_subscriptions (id, tenant_id, employee_id, endpoint, p256dh, auth)
         VALUES ($1, $2, $3, 'https://push.example.com/subA', 'test-p256dh', 'test-auth')`,
        [subscriptionIdA, tenantA, employeeIdA],
      );
    });

    const subVisibleToB = await database.tenantTransaction(tenantB, actorB, (client) =>
      client.query('SELECT id FROM staff_push_subscriptions WHERE id = $1', [subscriptionIdA]),
    );
    expect(subVisibleToB.rowCount).toBe(0);

    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_push_subscriptions (id, tenant_id, employee_id, endpoint, p256dh, auth)
           VALUES ($1, $2, $3, 'https://push.example.com/subB', 'key', 'auth')`,
          [newUlid(), tenantA, employeeIdA],
        ),
      ),
    ).rejects.toThrow();

    // Notification deliveries tenant isolation
    await database.tenantTransaction(tenantA, actorA, async (client) => {
      await client.query(
        `INSERT INTO staff_notification_deliveries (id, tenant_id, employee_id, outbox_id, endpoint, status)
         VALUES ($1, $2, $3, $4, 'https://push.example.com/subA', 'delivered')`,
        [deliveryIdA, tenantA, employeeIdA, eventId],
      );
    });

    const delVisibleToB = await database.tenantTransaction(tenantB, actorB, (client) =>
      client.query('SELECT id FROM staff_notification_deliveries WHERE id = $1', [deliveryIdA]),
    );
    expect(delVisibleToB.rowCount).toBe(0);

    await expect(
      database.tenantTransaction(tenantB, actorB, (client) =>
        client.query(
          `INSERT INTO staff_notification_deliveries (id, tenant_id, employee_id, outbox_id, endpoint, status)
           VALUES ($1, $2, $3, $4, 'https://push.example.com/subB', 'pending')`,
          [newUlid(), tenantA, employeeIdA, eventId],
        ),
      ),
    ).rejects.toThrow();
  });
});