'use strict';

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

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

test('rotatingMachine template carries byRegexp dashed overrides for .min/.max', () => {
  const api = new DashboardApi({});
  const dash = api.loadTemplate('machine');
  const ts = dash.panels.filter((p) => p.type === 'timeseries');
  assert.ok(ts.length >= 1, 'has at least one timeseries panel');

  for (const panel of ts) {
    const overrides = panel?.fieldConfig?.overrides || [];
    const minOv = overrides.find(
      (o) => o.matcher?.id === 'byRegexp' && /\.min\$/.test(o.matcher?.options || '')
    );
    const maxOv = overrides.find(
      (o) => o.matcher?.id === 'byRegexp' && /\.max\$/.test(o.matcher?.options || '')
    );
    assert.ok(minOv, `panel "${panel.title}" missing .min override`);
    assert.ok(maxOv, `panel "${panel.title}" missing .max override`);

    const lineStyle = minOv.properties.find((p) => p.id === 'custom.lineStyle');
    assert.equal(lineStyle?.value?.fill, 'dash', '.min override sets dashed lineStyle');
    assert.deepEqual(lineStyle?.value?.dash, [10, 10], '.min override sets dash pattern [10,10]');
  }
});

test('dashed overrides are forward-compatible: no effect when fields absent', () => {
  // The byRegexp matcher only affects series whose name ends in .min/.max.
  // When the node doesn't emit those fields, the override has no effect on
  // the rendered panel — series simply don't appear. Verified by the
  // matcher pattern being a strict regex.
  const api = new DashboardApi({});
  const dash = api.loadTemplate('machine');
  const ts = dash.panels.filter((p) => p.type === 'timeseries')[0];
  const minOv = ts.fieldConfig.overrides.find(
    (o) => o.matcher?.id === 'byRegexp' && /\.min\$/.test(o.matcher.options || '')
  );
  assert.match(minOv.matcher.options, /\$$/, 'matcher anchored to end of name');
});