import assert from 'node:assert/strict';
import test from 'node:test';
import {
  buildHydrogenDrillUrl,
  parseHydrogenDrillContext,
} from './hydrogen-drill-context.js';

test('parses a station drill context including station zero', () => {
  assert.deepEqual(
    parseHydrogenDrillContext('?hydrogenLevel=station&hydrogenStation=0&hydrogenStationName=%E6%9C%AA%E5%85%B3%E8%81%94%E7%AB%99%E7%82%B9&hydrogenScope=lingniu&hydrogenStart=2026-08-01&hydrogenEnd=2026-08-07'),
    {
      level: 'station',
      stationId: 0,
      stationName: '未关联站点',
      vehicleScope: 'lingniu',
      startDate: '2026-08-01',
      endDate: '2026-08-07',
    },
  );
});

test('requires a valid entity for station and customer levels', () => {
  assert.equal(parseHydrogenDrillContext('?hydrogenLevel=station&hydrogenStation=-1').level, 'overview');
  assert.equal(parseHydrogenDrillContext('?hydrogenLevel=customer').level, 'overview');
  assert.equal(
    parseHydrogenDrillContext(`?hydrogenLevel=customer&hydrogenCustomer=${'x'.repeat(129)}`).level,
    'overview',
  );
});

test('parses and builds a customer drill context', () => {
  const context = parseHydrogenDrillContext(
    '?hydrogenLevel=customer&hydrogenCustomer=%E6%AD%A6%E6%B1%89%E5%AE%A2%E6%88%B7&hydrogenScope=lingniu&hydrogenStart=2026-01-01&hydrogenEnd=2026-08-07',
  );
  assert.deepEqual(context, {
    level: 'customer',
    customerName: '武汉客户',
    vehicleScope: 'lingniu',
    startDate: '2026-01-01',
    endDate: '2026-08-07',
  });

  assert.equal(
    buildHydrogenDrillUrl(
      { pathname: '/energy', search: '', hash: '#hydrogen' },
      { ...context, year: 2026 },
    ),
    '/energy?hydrogenLevel=customer&hydrogenYear=2026&hydrogenCustomer=%E6%AD%A6%E6%B1%89%E5%AE%A2%E6%88%B7&hydrogenScope=lingniu&hydrogenStart=2026-01-01&hydrogenEnd=2026-08-07#hydrogen',
  );
});

test('builds a namespaced station URL and preserves unrelated parameters', () => {
  const url = buildHydrogenDrillUrl(
    { pathname: '/energy', search: '?company=5', hash: '#hydrogen' },
    {
      level: 'station',
      year: 2026,
      stationId: 18,
      stationName: '测试加氢站',
      vehicleScope: 'lingniu',
      startDate: '2026-08-01',
      endDate: '2026-08-07',
    },
  );

  assert.equal(
    url,
    '/energy?company=5&hydrogenLevel=station&hydrogenYear=2026&hydrogenStation=18&hydrogenStationName=%E6%B5%8B%E8%AF%95%E5%8A%A0%E6%B0%A2%E7%AB%99&hydrogenScope=lingniu&hydrogenStart=2026-08-01&hydrogenEnd=2026-08-07#hydrogen',
  );
});

test('clears station parameters when returning to overview', () => {
  const url = buildHydrogenDrillUrl(
    {
      pathname: '/energy',
      search: '?hydrogenLevel=station&hydrogenStation=18&hydrogenStationName=test&company=5',
      hash: '#hydrogen',
    },
    { level: 'overview', vehicleScope: 'lingniu' },
  );

  assert.equal(url, '/energy?company=5&hydrogenScope=lingniu#hydrogen');
});

test('preserves a selected order date and page in the hydrogen analysis URL', () => {
  const context = parseHydrogenDrillContext(
    '?hydrogenScope=lingniu&hydrogenStart=2026-08-01&hydrogenEnd=2026-08-07&hydrogenDate=2026-08-05&hydrogenPage=3',
  );
  assert.equal(context.selectedDate, '2026-08-05');
  assert.equal(context.orderPage, 3);
  assert.equal(
    buildHydrogenDrillUrl(
      { pathname: '/energy', search: '?company=5', hash: '#hydrogen' },
      context,
    ),
    '/energy?company=5&hydrogenScope=lingniu&hydrogenStart=2026-08-01&hydrogenEnd=2026-08-07&hydrogenDate=2026-08-05&hydrogenPage=3#hydrogen',
  );
  assert.equal(
    parseHydrogenDrillContext('?hydrogenStart=2026-08-01&hydrogenEnd=2026-08-07&hydrogenDate=2026-08-08').selectedDate,
    undefined,
  );
  assert.equal(parseHydrogenDrillContext('?hydrogenPage=3').orderPage, undefined);
  assert.equal(parseHydrogenDrillContext('?hydrogenDate=2026-08-05&hydrogenPage=0').orderPage, undefined);
  assert.equal(
    buildHydrogenDrillUrl(
      { pathname: '/energy', search: '', hash: '#hydrogen' },
      { level: 'overview', vehicleScope: 'lingniu', orderPage: 3 },
    ),
    '/energy?hydrogenScope=lingniu#hydrogen',
  );
});