const test=require('node:test'),assert=require('node:assert/strict'),fs=require('node:fs'),vm=require('node:vm');
const code=fs.readFileSync('web/steward.js','utf8'),html=fs.readFileSync('web/index.html','utf8'),app=fs.readFileSync('web/app.js','utf8');
const part=(s,a,b)=>s.slice(s.indexOf(a),s.indexOf(b,s.indexOf(a)+a.length));
test('navigation starts at places and contains no global camera functions',()=>{
  const nav=html.match(/<nav aria-label="主导航">([\s\S]*?)<\/nav>/)[1];
  assert.doesNotMatch(nav,/data-page="(?:live|playback)"/);
  assert.match(nav,/scope-navigation/);assert.match(app,/activePage = 'households'/);
  assert.match(html,/aria-label="设备功能"/);
});
test('one device exposes its lenses while place wall exposes all authorized lenses',()=>{
  const c=vm.createContext({deviceContext:null});vm.runInContext(part(code,'function deviceCameras(','function enterDevice('),c);
  const cameras=[{id:'1',assetId:'a'},{id:'2',assetId:'a'},{id:'3',assetId:'b'}];
  assert.equal(c.deviceCameras(cameras).length,3);
  assert.deepEqual(c.deviceCameras(cameras,{source:'camera',id:'a'}).map(x=>x.id),['1','2']);
  assert.equal(c.deviceCameras(cameras,{source:'camera',id:'missing'}).length,0);
});
test('recorder relation is explicit and generic devices have no video operations',()=>{
  const c=vm.createContext({deviceContext:null});vm.runInContext(part(code,'function deviceCameras(','function enterDevice('),c);
  const cameras=[{id:'1',recorderId:'r'},{id:'2',archiveRecorderId:'r'},{id:'3',assetId:'r'}];
  assert.equal(c.deviceCameras(cameras,{source:'recorder',id:'r'}).length,2);
  assert.equal(c.deviceCameras(cameras,{source:'device',id:'r'}).length,0);
});
test('switching devices cancels prior playback before changing context',()=>{
  const order=[],c=vm.createContext({state:{cameras:[]},ZhaoDevices:{catalog:()=>[{source:'camera',id:'a'}]},
    $:()=>({value:''}),stopPlayers:()=>order.push('stop'),resetPlayback:()=>order.push('reset'),closePtz:()=>order.push('ptz'),
    deviceCameras:()=>[{}],showPage:page=>order.push(page),toast:()=>{throw Error('not expected');}});
  vm.runInContext(part(code,'function enterDevice(','function renderSteward('),c);c.enterDevice('camera','a');
  assert.deepEqual(order,['stop','reset','ptz','live']);assert.equal(c.deviceContext.id,'a');
});
test('an unknown or unauthorized device cannot open a player',()=>{
  let warned=0;const c=vm.createContext({state:{},ZhaoDevices:{catalog:()=>[]},toast:()=>warned++,stopPlayers:()=>{throw Error('must not open');}});
  vm.runInContext(part(code,'function enterDevice(','function renderSteward('),c);c.enterDevice('camera','foreign');assert.equal(warned,1);
});
test('late heritage response cannot populate a different view',async()=>{
  let finish,writes=0;const c=vm.createContext({heritageGeneration:0,heritageKind:'culture',activePage:'heritage-records',
    $:()=>({replaceChildren(){},hidden:false,textContent:''}),api:()=>new Promise(r=>finish=r),renderHeritageRecords:()=>writes++});
  const source=fs.readFileSync('web/heritage.js','utf8');
  vm.runInContext(part(source,'async function loadHeritage(','function renderHeritageRecords('),c);
  const pending=c.loadHeritage();c.heritageGeneration++;c.activePage='households';finish({entries:['private']});await pending;assert.equal(writes,0);
});

test('family timeline entry preserves its explicitly selected view',()=>{
  assert.match(code,/familyView=b.dataset.familySection;showPage\('family',\{keepFamilyView:true\}\)/);
  assert.match(app,/loadFamily\(!options.keepFamilyView\)/);
});
test('culture and property entry requires its separate permission',()=>{
  const c=vm.createContext({isAdmin:()=>false,currentUser:{familyAccess:'read',heritageAccess:'none'},currentHome:()=>({name:'赵府'}),esc:s=>s,$:()=>output}),output={innerHTML:''};
  vm.runInContext(part(code,'function renderHeritageHome(','function resetSteward('),c);c.renderHeritageHome();
  assert.match(output.innerHTML,/data-family-section/);assert.doesNotMatch(output.innerHTML,/data-heritage-kind/);
  c.currentUser.heritageAccess='read';c.renderHeritageHome();assert.match(output.innerHTML,/data-heritage-kind/);
});