import "dotenv/config";
import { drizzle } from "drizzle-orm/node-postgres";
import { migrate } from "drizzle-orm/node-postgres/migrator";
import { Pool } from "pg";

/** Recreates the test schema from migrations before every vitest run. */
export default async function globalSetup() {
  const url =
    process.env.TEST_DATABASE_URL || "postgresql://blog:blog@localhost:5434/blog_test";
  const pool = new Pool({ connectionString: url, max: 1 });
  try {
    await pool.query("select 1");
  } catch (error) {
    await pool.end();
    throw new Error(
      `Could not reach the test database at ${url}.\n` +
        `Start it with: docker compose up -d\n(${String(error)})`,
    );
  }
  // The drizzle schema holds the migration journal — drop it too, or the
  // migrator will consider everything applied against the empty schema.
  await pool.query(
    "DROP SCHEMA public CASCADE; CREATE SCHEMA public; DROP SCHEMA IF EXISTS drizzle CASCADE;",
  );
  await migrate(drizzle(pool), { migrationsFolder: "./drizzle" });
  await pool.end();
}