import test from 'node:test';
import assert from 'node:assert/strict';
import {readFile} from 'node:fs/promises';
import {runInNewContext} from 'node:vm';

async function progressionContext(){
  const source=await readFile('public/js/learning-progressions.js','utf8');
  const pure=source.slice(0,source.indexOf('(function registerOwnLearningLevelSettings'));
  const context={LANG:'nl'};
  runInNewContext(pure+`
    ;globalThis.__profiles=LEARNING_YEAR_PROFILES;
    globalThis.__languageWordsForYear=languageWordsForYear;
    globalThis.__languageTaskRules=languageTaskRules;
    globalThis.__mathTaskRules=mathTaskRules;
  `,context);
  return context;
}

test('taal en rekenen hebben een compleet inhoudelijk profiel voor groep 1 tot en met 8',async()=>{
  const {__profiles:profiles}=await progressionContext();
  for(const subject of ['taal','rekenen']){
    assert.equal(profiles[subject].length,9);
    for(let year=1;year<=8;year++){
      const profile=profiles[subject][year];
      assert.ok(profile.phase&&profile.title,subject+' groep '+year);
      assert.equal(profile.goals.length,3,subject+' groep '+year+' heeft drie concrete accenten');
    }
  }
});

test('alleen leerkracht en systeemmanager kunnen het leerjaar op hun eigen bord kiezen',async()=>{
  const source=await readFile('public/js/learning-progressions.js','utf8');
  const pure=source.slice(0,source.indexOf('(function registerOwnLearningLevelSettings'));
  const context={LANG:'nl',currentUser:{role:'teacher'}};
  context.activeRole=()=>context.currentUser.role;
  runInNewContext(pure+';globalThis.__api={canConfigureBoardLearningLevel,boardLearningSelection}',context);
  const def={cat:'taal'};
  assert.equal(context.__api.canConfigureBoardLearningLevel(def),true);
  assert.deepEqual(JSON.parse(JSON.stringify(context.__api.boardLearningSelection(def,null))),{yearGroup:4,level:2});
  assert.deepEqual(JSON.parse(JSON.stringify(context.__api.boardLearningSelection(def,{}))),{yearGroup:4,level:2});
  assert.deepEqual(JSON.parse(JSON.stringify(context.__api.boardLearningSelection(def,{yearGroup:7,level:3}))),{yearGroup:7,level:3});
  context.currentUser={role:'super'};
  assert.equal(context.__api.canConfigureBoardLearningLevel({cat:'rekenen'}),true);
  context.activeRole=()=>'teacher';
  assert.equal(context.__api.canConfigureBoardLearningLevel(def),true);
  context.activeRole=()=>'pupil';
  assert.equal(context.__api.canConfigureBoardLearningLevel(def),false);
  context.currentUser={role:'admin'};
  context.activeRole=()=>context.currentUser.role;
  assert.equal(context.__api.canConfigureBoardLearningLevel(def),false);
});

test('taalprofiel selecteert eenvoudiger woorden in de onderbouw en bouwt taaksteun af',async()=>{
  const c=await progressionContext();
  const words=[['kat','x'],['vis','x'],['pen','x'],['maan','x'],['boek','x'],['fiets','x'],
    ['brandweerauto','x'],['onderzoeker','x'],['verantwoordelijkheid','x']];
  const early=JSON.parse(JSON.stringify(c.__languageWordsForYear(words,2,2)));
  const late=JSON.parse(JSON.stringify(c.__languageWordsForYear(words,8,2)));
  assert.ok(early.length<late.length);
  assert.ok(early.every(([word])=>!['brandweerauto','verantwoordelijkheid'].includes(word)));
  assert.equal(c.__languageTaskRules(2,2).flashSeconds,3);
  assert.equal(c.__languageTaskRules(7,2).flashSeconds,.5);
  assert.ok(c.__languageTaskRules(2,2).lives>c.__languageTaskRules(7,2).lives);
});

test('rekenprofiel vergroot getalgebied, tafels en breuken per leerjaar',async()=>{
  const c=await progressionContext();
  assert.equal(c.__mathTaskRules(2,3).addSub,20);
  assert.equal(c.__mathTaskRules(3,1).timesTable,2);
  assert.equal(c.__mathTaskRules(3,3).timesTable,10);
  assert.equal(c.__mathTaskRules(4,3).addSub,100);
  assert.equal(c.__mathTaskRules(6,3).addSub,10000);
  assert.equal(c.__mathTaskRules(1,2).fractionDen,2);
  assert.equal(c.__mathTaskRules(8,3).fractionDen,12);
  assert.deepEqual(JSON.parse(JSON.stringify(c.__mathTaskRules(3,2).clockMinutes)),[0,15,30,45]);
});

test('alle taal- en rekenwidgets ontvangen de centrale leerjaarstate en tonen het profiel',async()=>{
  const [html,board,pupil,progressions,letters,flits,hak,ball,math,numberline,learning]=await Promise.all([
    readFile('public/index.html','utf8'),readFile('public/js/board.js','utf8'),
    readFile('public/js/pupil.js','utf8'),readFile('public/js/learning-progressions.js','utf8'),
    ...['letters','flits','hak','ball','math','numberline','learning'].map(name=>readFile('public/js/widgets/'+name+'.js','utf8')),
  ]);
  assert.ok(html.indexOf('js/data.js')<html.indexOf('js/learning-progressions.js'));
  assert.ok(html.indexOf('js/learning-progressions.js')<html.indexOf('js/widgets/letters.js'));
  assert.match(board,/learningStateForWidget/);
  assert.match(board,/boardLearningSelection/);
  assert.match(board,/appendBoardLearningLevelControls/);
  assert.match(board,/managedLearningLevel:false/);
  assert.match(pupil,/applyLearningLevelToState/);
  assert.match(pupil,/appendLearningProfileBadge/);
  assert.match(progressions,/managedLearningLevel/);
  for(const source of [letters,flits,hak,ball])assert.match(source,/languageWordsForYear/);
  assert.match(math,/mathTaskRules/);
  assert.match(numberline,/mathTaskRules/);
  for(const mount of ['mountFractions','mountClock','mountPlacevalue','mountMoney','mountWordtypes']){
    assert.ok(learning.includes('function '+mount),mount);
  }
});