import { execFileSync } from 'node:child_process';

import { PrismaClient } from '@prisma/client';

/**
 * Database-backed tests run only when TEST_DATABASE_URL is set (locally:
 * the compose dev db on port 5434; in CI: the postgres service container).
 * This setup pushes the current Prisma schema into that database once per
 * test run; tests skip themselves when the variable is absent.
 */
export default async function globalSetup(): Promise<void> {
  const url = process.env.TEST_DATABASE_URL;
  if (!url) return;
  execFileSync(
    process.execPath,
    [require.resolve('prisma/build/index.js'), 'db', 'push', '--skip-generate'],
    { env: { ...process.env, DATABASE_URL: url }, stdio: 'inherit', cwd: __dirname },
  );
  // The shared test database counts as a configured instance — without the
  // completion marker every suite would hit the first-run setup gate
  // (issue #80). The setup suite provisions its own fresh database instead.
  const prisma = new PrismaClient({ datasourceUrl: url });
  try {
    await prisma.instanceSetting.upsert({
      where: { key: 'setup.completedAt' },
      create: { key: 'setup.completedAt', value: new Date().toISOString() },
      update: {},
    });
  } finally {
    await prisma.$disconnect();
  }
}