import { existsSync, readFileSync } from "node:fs";
import { resolve } from "node:path";

const root = resolve(import.meta.dirname, "../..");
const envFile = resolve(root, ".env.e2e");

if (existsSync(envFile)) {
  for (const line of readFileSync(envFile, "utf8").split("\n")) {
    const match = line.match(/^\s*([A-Z0-9_]+)=(.*)\s*$/);
    if (match && process.env[match[1]] === undefined) process.env[match[1]] = match[2];
  }
}

export const e2eEnv = (name) => {
  const value = process.env[name];
  if (!value) throw new Error(`Missing ${name}. Copy .env.e2e.example to .env.e2e and set it.`);
  return value;
};

export const assertE2EDatabase = () => {
  const database = e2eEnv("E2E_MYSQL_DATABASE");
  if (!database.toLowerCase().includes("e2e")) {
    throw new Error(`Refusing E2E operation for non-E2E database: ${database}`);
  }
  return database;
};

export { root };