// The dashboard's `_measurement` templating var MUST equal the InfluxDB
// measurement name that outputUtils.formatMsg writes telemetry under, or every
// panel queries a non-existent series and renders blank.
//
// outputUtils convention (generalFunctions/src/helper/outputUtils.js):
//   measurement = config.general.name || `${softwareType}_${config.general.id}`
//
// buildDashboard must mirror it exactly.

const test = require('node:test');
const assert = require('node:assert/strict');

const DashboardApi = require('../../src/specificClass');

function makeApi() {
  return new DashboardApi({
    general: { name: 'dapi', logging: { enabled: false, logLevel: 'error' } },
    grafanaConnector: { protocol: 'http', host: 'localhost', port: 3000, bearerToken: '' },
  });
}

function measurementVar(dash) {
  return dash.dashboard.templating.list.find((v) => v.name === 'measurement').current.value;
}

test('measurement var uses general.name when set (matches outputUtils)', () => {
  const api = makeApi();
  const dash = api.buildDashboard({
    nodeConfig: {
      general: { id: '248ba213d44df5b9', name: 'pumpingStation' },
      functionality: { softwareType: 'pumpingstation' },
    },
    positionVsParent: 'atequipment',
  });
  assert.equal(dash.measurementName, 'pumpingStation');
  assert.equal(measurementVar(dash), 'pumpingStation');
});

test('measurement var falls back to <softwareType>_<id> when name is empty', () => {
  const api = makeApi();
  const dash = api.buildDashboard({
    nodeConfig: {
      general: { id: '693ebd559017d39f', name: '' },
      functionality: { softwareType: 'rotatingmachine' },
    },
    positionVsParent: 'atequipment',
  });
  assert.equal(dash.measurementName, 'rotatingmachine_693ebd559017d39f');
  assert.equal(measurementVar(dash), 'rotatingmachine_693ebd559017d39f');
});

test('fallback id segment is the node id, not the title', () => {
  const api = makeApi();
  const dash = api.buildDashboard({
    nodeConfig: {
      general: { id: 'abc123' },
      functionality: { softwareType: 'measurement' },
    },
    positionVsParent: 'upstream',
  });
  assert.equal(dash.measurementName, 'measurement_abc123');
});