const path = require('path');

const rootDir = path.resolve(__dirname, '..');
const dataDir = process.env.DATA_DIR
  ? path.resolve(process.env.DATA_DIR)
  : path.join(rootDir, 'data');

const resourceTypeToDirName = {
  tenant: 'tenants',
  node: 'nodes',
  service: 'services',
  deployment: 'deployments',
  resource_limits: 'resource-limits',
  network: 'networks',
  volume: 'volumes',
};

function getResourceDir(resourceType) {
  const dirName = resourceTypeToDirName[resourceType];

  if (!dirName) {
    throw new Error(`Unknown resource type: ${resourceType}`);
  }

  return path.join(dataDir, 'resources', dirName);
}

module.exports = {
  rootDir,
  dataDir,
  resourceTypeToDirName,
  getResourceDir,
  resourcesDir: path.join(dataDir, 'resources'),
  workOrdersPendingDir: path.join(dataDir, 'work-orders', 'pending'),
  workOrdersRunningDir: path.join(dataDir, 'work-orders', 'running'),
  workOrdersFinishedDir: path.join(dataDir, 'work-orders', 'finished'),
  eventsDir: path.join(dataDir, 'events'),
  logsDir: path.join(dataDir, 'logs'),
  snapshotsSystemDir: path.join(dataDir, 'snapshots', 'system'),
  snapshotsTenantsDir: path.join(dataDir, 'snapshots', 'tenants'),
  idempotencyDir: path.join(dataDir, 'idempotency'),
  authNodesDir: path.join(dataDir, 'auth', 'nodes'),
};