import assert from 'node:assert/strict';
import fs from 'node:fs';
import vm from 'node:vm';

const source = fs.readFileSync(new URL('../app.js', import.meta.url), 'utf8');
const checks = `
dashboard = {
  vehicles: [
    { vin: 'VIN-GD-1', plateNumber: '粤A00001', online: true, dailyMileageKm: 10, locationAvailable: true, longitude: 113.2, latitude: 23.1 },
    { vin: 'VIN-GD-2', plateNumber: '粤B00002', online: false, dailyMileageKm: 5, locationAvailable: false },
    { vin: 'VIN-ZJ-1', plateNumber: '浙F00003', online: true, dailyMileageKm: 8, locationAvailable: true, longitude: 120.7, latitude: 30.7 },
    { vin: 'VIN-X-1', plateNumber: '观光车001', online: false, dailyMileageKm: 0, locationAvailable: false }
  ]
};
const areaNode = {
  groupByPosition(points) {
    return [
      { subFeatureIndex: 0, subFeature: { properties: { adcode: '440000', name: '广东省', center: [113.2, 23.1] } }, points: points.filter(point => point.vin === 'VIN-GD-1') },
      { subFeatureIndex: 1, subFeature: { properties: { adcode: '330000', name: '浙江省', center: [120.2, 30.3] } }, points: points.filter(point => point.vin === 'VIN-ZJ-1') }
    ];
  }
};
const partition = partitionVehiclesByArea(areaNode, locatedVehicles(), 'province');
assert.equal(partition.groups.length, 2);
assert.equal(partition.unmatched.length, 0);
const provinceNodes = regionNodesFromGroups(partition.groups, 'province');
assert.equal(provinceNodes.length, 2);
const guangdong = provinceNodes.find(node => node.nameZh === '广东');
assert.equal(guangdong.count, 1);
assert.equal(guangdong.online, 1);
assert.equal(guangdong.dist, 10);

assert.equal(hierarchyLevelForZoom(4.8), 'province');
assert.equal(hierarchyLevelForZoom(7), 'city');
assert.equal(hierarchyLevelForZoom(9.5), 'district');
assert.equal(hierarchyLevelForZoom(12), 'vehicle');

vehicleRegionSummary = { level: 'province', nodes: provinceNodes, unassigned: 2, loading: false };
map = { getZoom: () => 4.8 };
assert.equal(vehicleNodes().length, 2);
assert.ok(vehicleNodes().every(node => node.kind === 'vehicleProvince'));

const cityPartition = partitionVehiclesByArea({
  groupByPosition(points) {
    return [{ subFeatureIndex: 0, subFeature: { properties: { adcode: '440100', name: '广州市', center: [113.3, 23.1] } }, points }];
  }
}, [dashboard.vehicles[0]], 'city');
const cityNodes = regionNodesFromGroups(cityPartition.groups, 'city');
assert.equal(cityNodes[0].kind, 'vehicleCity');
assert.equal(cityNodes[0].nameZh, '广州');
assert.equal(cityNodes[0].nameEn, 'Guangzhou City');

assert.equal(administrativeEnglishName('广东省', 'province'), 'Guangdong');
assert.equal(administrativeEnglishName('广州市', 'city'), 'Guangzhou City');
assert.equal(administrativeEnglishName('黄埔区', 'district'), 'Huangpu District');
assert.equal(administrativeEnglishName('两江新区', 'district'), 'Liangjiang New Area');
assert.equal(stationAdministrativePath({ province: '广东省', city: '广州市', district: '黄埔区' }, 'en'), 'Guangdong · Guangzhou City · Huangpu District');
assert.deepEqual(modeKpiLabels(i18n.zh, 'station'), { total: '站点总数', active: '合作站点' });
assert.deepEqual(modeKpiLabels(i18n.en, 'station'), { total: 'Total Stations', active: 'Partner Stations' });
assert.equal(markerLabel({ kind: 'stationCluster', count: 65 }, i18n.en), '65 stations');
assert.equal(markerLabel({ kind: 'stationCluster', count: 1 }, i18n.en), '1 station');
assert.equal(markerLabel({ kind: 'station', cooperative: true }, i18n.en), 'H₂ · Partner');

map = {
  getZoom: () => 12,
  getBounds: () => ({
    getSouthWest: () => ({ getLng: () => 100, getLat: () => 20 }),
    getNorthEast: () => ({ getLng: () => 125, getLat: () => 35 })
  })
};
const points = vehiclePointNodes();
assert.equal(points.length, 2);
assert.ok(points.every(node => node.kind === 'vehiclePoint'));
assert.equal(points.find(node => node.nameZh === '粤A00001').online, 1);

dashboard = {
  stations: [
    { id: 'GD-1', name: '广州合作站', province: '广东省', city: '广州市', longitude: 113.2, latitude: 23.1, cooperative: true, totalHydrogenKg: 20 },
    { id: 'GD-2', name: '佛山外部站', province: '广东省', city: '佛山市', longitude: 113.1, latitude: 23.0, cooperative: false, totalHydrogenKg: 10 },
    { id: 'ZJ-1', name: '嘉兴合作站', province: '浙江省', city: '嘉兴市', longitude: 120.7, latitude: 30.7, cooperative: true, totalHydrogenKg: 30 }
  ]
};
currentMode = 'station';
map = {
  getZoom: () => 12,
  getBounds: () => ({
    getSouthWest: () => ({ getLng: () => 112, getLat: () => 22 }),
    getNorthEast: () => ({ getLng: () => 114, getLat: () => 24 })
  })
};
assert.equal(stationNodes(false).length, 3);
assert.equal(stationNodes(true).length, 2);
assert.deepEqual(stationNodes(true).map(node => node.name).sort(), ['佛山外部站', '广州合作站']);
const stationView = stationViewportSummary();
assert.equal(stationView.level, 'station');
assert.equal(stationView.visibleNodes.length, 2);
assert.equal(stationView.allNodes.length, 3);

map = {
  getZoom: () => 4.8,
  getBounds: () => ({
    getSouthWest: () => ({ getLng: () => 112, getLat: () => 22 }),
    getNorthEast: () => ({ getLng: () => 114, getLat: () => 24 })
  })
};
const provinceView = stationViewportSummary();
assert.equal(provinceView.allNodes.length, 2);
assert.equal(provinceView.visibleNodes.length, 1);
assert.equal(provinceView.visibleNodes[0].name, '广东');
assert.equal(provinceView.visibleNodes[0].count, 2);
`;

const sandbox = {
  assert,
  console,
  pinyinPro: {
    pinyin(value) {
      return ({ 广州: 'guang zhou', 黄埔: 'huang pu', 两江: 'liang jiang' })[value] || value;
    }
  },
  document: { addEventListener() {}, querySelector() {}, createElement() { return {}; }, head: { appendChild() {} } },
  window: {},
  setInterval() {},
  clearInterval() {}
};
vm.runInNewContext(`${source}\n${checks}`, sandbox, { filename: 'app.js' });
console.log('vehicle hierarchy aggregation tests: ok');