const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
const template = fs.readFileSync(path.join(__dirname, '../templates/app/control/index.html'), 'utf8');
const code = template.slice(template.indexOf('function buildZoneStateTag('),
                            template.indexOf('function buildZoneRunBtn('));
let info, active = true;
const context = {
  zoneIsActiveInPipeline: () => active,
  getStreamStatusInfo: () => info,
  getStreamHealth: () => info.stream_health,
  streamHealthLabel: health => health,
  _t: (_, fallback) => fallback,
};
vm.createContext(context);
vm.runInContext(code, context);
const tag = () => context.buildZoneStateTag({stream_id: 87});
info = {running: true, stream_health: 'ok', analysis_health: 'starting', analysis_fps: 0};
assert.match(tag(), /启动中/);
info.analysis_health = 'error';
assert.match(tag(), /推理异常/);
info.analysis_health = 'running';
info.analysis_fps = 0.017;
assert.match(tag(), /分析中/);
info.running = false;
info.stream_health = 'disconnected';
assert.match(tag(), /disconnected/);
active = false;
assert.match(tag(), /已停止/);
console.log('PASS: starting, inference error, low-FPS success, disconnected, stopped');