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

const NodeClass = require('../../src/nodeClass');
const Machine = require('../../src/specificClass');
const { makeNodeStub } = require('../helpers/factories');

// After the BaseNodeAdapter migration, _loadConfig + _setupSpecificClass
// are gone — config building lives in buildDomainConfig(). These tests
// drive that contract through a prototype-derived nodeClass instance so
// we exercise the surface without booting Node-RED.

function makeUiConfig(overrides = {}) {
  return {
    unit: 'm3/h',
    enableLog: false,
    logLevel: 'error',
    supplier: 'hidrostal',
    category: 'machine',
    assetType: 'pump',
    model: 'hidrostal-H05K-S03R',
    curvePressureUnit: 'mbar',
    curveFlowUnit: 'm3/h',
    curvePowerUnit: 'kW',
    curveControlUnit: '%',
    positionVsParent: 'atEquipment',
    speed: 1,
    movementMode: 'staticspeed',
    startup: 0,
    warmup: 0,
    shutdown: 0,
    cooldown: 0,
    ...overrides,
  };
}

function callBuildDomainConfig(ui) {
  const inst = Object.create(NodeClass.prototype);
  // Clear any leftover pending extras so this test's call is the only one
  // that stamps Machine._pendingExtras.
  Machine._pendingExtras = null;
  return inst.buildDomainConfig(ui);
}

test('buildDomainConfig maps legacy editor fields for asset identity', () => {
  const cfg = callBuildDomainConfig(makeUiConfig({ uuid: 'uuid-from-editor', assetTagNumber: 'TAG-123' }));
  assert.equal(cfg.asset.uuid, 'uuid-from-editor');
  assert.equal(cfg.asset.tagCode, 'TAG-123');
  assert.equal(cfg.asset.tagNumber, 'TAG-123');
});

test('buildDomainConfig prefers explicit assetUuid/assetTagCode when present', () => {
  const cfg = callBuildDomainConfig(makeUiConfig({
    uuid: 'legacy-uuid', assetUuid: 'explicit-uuid',
    assetTagNumber: 'legacy-tag', assetTagCode: 'explicit-tag',
  }));
  assert.equal(cfg.asset.uuid, 'explicit-uuid');
  assert.equal(cfg.asset.tagCode, 'explicit-tag');
});

test('buildDomainConfig builds explicit curveUnits and falls back for invalid flow unit', () => {
  const cfg = callBuildDomainConfig(makeUiConfig({
    unit: 'not-a-unit',
    curvePressureUnit: 'mbar', curveFlowUnit: 'm3/h',
    curvePowerUnit: 'kW', curveControlUnit: '%',
  }));
  assert.equal(cfg.general.unit, 'm3/h');
  assert.equal(cfg.asset.unit, 'm3/h');
  assert.equal(cfg.asset.curveUnits.pressure, 'mbar');
  assert.equal(cfg.asset.curveUnits.flow, 'm3/h');
  assert.equal(cfg.asset.curveUnits.power, 'kW');
  assert.equal(cfg.asset.curveUnits.control, '%');
});

test('buildDomainConfig stashes state config including logging + movement + time', () => {
  Machine._pendingExtras = null;
  const inst = Object.create(NodeClass.prototype);
  inst.buildDomainConfig(makeUiConfig({ enableLog: true, logLevel: 'warn', speed: 5, startup: 3 }));
  const extras = Machine._pendingExtras;
  assert.ok(extras, 'Machine._pendingExtras should be set by buildDomainConfig');
  assert.equal(extras.stateConfig.general.logging.enabled, true);
  assert.equal(extras.stateConfig.general.logging.logLevel, 'warn');
  assert.equal(extras.stateConfig.movement.speed, 5);
  assert.equal(extras.stateConfig.time.starting, 3);
  Machine._pendingExtras = null;
});