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

async function languageData(extra=''){
  const source=await readFile('public/js/data.js','utf8');
  const context={LANG:'nl',T:key=>key};
  runInNewContext(source+`; ${extra}
    globalThis.__language={
      concepts:LANGUAGE_CONCEPTS,
      progression:LANGUAGE_NL_PROGRESSION_WORDS,
      themesNl:languageThemeList("nl"),
      themesEn:languageThemeList("en"),
      words:WORDS,
      catalogNl:languagePictureCatalog("nl")
    };`,context);
  return JSON.parse(JSON.stringify(context.__language));
}

test('taalwidgets delen ruim duizend extra Nederlandse woorden over leerjaar en thema',async()=>{
  const data=await languageData();
  assert.ok(data.concepts.length>=300,'verwacht minimaal 300 vaste woordplaatjes');
  assert.ok(data.progression.length>=1000,'verwacht minimaal 1000 aanvullende Nederlandse woorden');
  assert.equal(data.themesNl.length,16);
  assert.equal(data.themesEn.length,12);
  assert.deepEqual(data.themesNl.map(theme=>theme.id),[
    'animals','food','nature','travel','home','body','actions','feelings',
    'people','play','places','time','arts','science','learning','society'
  ]);
  const all=data.concepts.concat(data.progression);
  assert.equal(new Set(all.map(item=>item.id)).size,all.length);
  assert.equal(new Set(all.map(item=>item.nl)).size,all.length);
  for(const concept of data.concepts){
    assert.ok(concept.nl&&concept.en&&concept.pic,concept.id);
    assert.ok(data.themesNl.some(theme=>theme.id===concept.theme),concept.theme);
  }
  for(const word of data.progression){
    assert.ok(word.nl&&word.pic,word.id);
    assert.ok(word.yearGroup>=1&&word.yearGroup<=8,word.nl);
    assert.ok(data.themesNl.some(theme=>theme.id===word.theme),word.theme);
  }
  for(let year=1;year<=8;year++)
    assert.ok(data.progression.filter(word=>word.yearGroup===year).length>=60,'te weinig nieuwe woorden voor groep '+year);
  for(const theme of data.themesNl)assert.ok(theme.words.length>=60,theme.id);
  for(const theme of data.themesEn)assert.ok(theme.words.length>=18,theme.id);
  assert.equal(data.themesNl.reduce((sum,theme)=>sum+theme.words.length,0),all.length);
  assert.equal(data.themesEn.reduce((sum,theme)=>sum+theme.words.length,0),data.concepts.length);
});

test('alle oude startwoorden blijven staan en krijgen ook een bibliotheekplaatje',async()=>{
  const data=await languageData();
  const oldNl=['aap','vis','zon','kat','bal','ei','boom','huis','maan','boot','kip','muis','boek','ster','roos','vuur','fiets','taart','jas','bril','klok','peer','kaas','eend','hand','voet','neus','oog','oor','mond'];
  const oldEn=['cat','dog','sun','egg','ball','fish','tree','moon','boat','star','book','cake','house','mouse','apple','train','fire','rose','bear','duck','frog','bee','cow','pig','hand','foot','nose','eye','ear','milk'];
  assert.deepEqual(data.words.nl.map(([word])=>word),oldNl);
  assert.deepEqual(data.words.en.map(([word])=>word),oldEn);
  const names=new Set(data.catalogNl.images.map(image=>image.name));
  for(const word of oldNl)assert.ok(names.has(word),word);
});

test('vaste en eigen woordplaatjes worden als herbruikbare catalogusitems aangeboden',async()=>{
  const data=await languageData('GENERAL_EXTRA.nl=[["test","🧪"]]; THEMES.nl=[{name:"Boerderij",folder:"School",words:[["stal","🏚️"]]}];');
  const builtins=data.catalogNl.images.filter(image=>image.builtin);
  assert.equal(builtins.length,data.concepts.length+data.progression.length);
  assert.equal(data.catalogNl.themes.filter(theme=>theme.languageBuiltin).length,16);
  for(const image of builtins){
    assert.ok(image.id<0);
    assert.ok(image.src.startsWith('data:image/svg+xml;charset=utf-8,'));
    assert.ok(image.value&&image.themes.length===1);
    assert.equal(image.canManage,false);
  }
  const testPic=data.catalogNl.images.find(image=>!image.builtin&&image.name==='test');
  const stablePic=data.catalogNl.images.find(image=>!image.builtin&&image.name==='stal');
  assert.equal(testPic.value,'🧪');
  assert.equal(stablePic.value,'🏚️');
  assert.equal(stablePic.folder,'Taal/Mijn thema’s/School/Boerderij');
  for(const word of ['familiegeschiedenis','competitiewedstrijd','mediageletterdheid','waterkringloop']){
    const image=data.catalogNl.images.find(item=>item.name===word);
    assert.ok(image&&image.yearGroup>=7&&image.src.startsWith('data:image/svg+xml'),word);
  }
});

test('alle vier taalspellen gebruiken themabronnen en kunnen de bibliotheek openen',async()=>{
  const [data,catalog,picker,letters,css,catalogCss]=await Promise.all([
    readFile('public/js/data.js','utf8'),
    readFile('public/js/image-catalog.js','utf8'),
    readFile('public/js/picker.js','utf8'),
    readFile('public/js/widgets/letters.js','utf8'),
    readFile('public/css/teach.css','utf8'),
    readFile('public/css/image-catalog.css','utf8'),
  ]);
  assert.match(data,/card\.startsWith\("b:"\)/);
  assert.match(data,/builtinGroup\.label = "📚 "/);
  for(const widget of ['letters','flits','hak','ball']){
    const source=await readFile(`public/js/widgets/${widget}.js`,'utf8');
    assert.match(source,/wordSourceList\(/,widget);
    assert.match(source,/fillWordSourceSel\(/,widget);
  }
  assert.match(catalog,/refreshWordPictureCatalog/);
  assert.match(catalog,/languagePictureCatalog\(LANG\)/);
  assert.match(catalog,/ic-word-themes/);
  assert.match(picker,/data-t="library"/);
  assert.match(picker,/uploadImageToCatalog\(f,/);
  assert.match(letters,/data-t="library"/);
  assert.match(letters,/openImageCatalog\(\(src,image\)/);
  assert.match(letters,/uploadImageToCatalog\(f,/);
  assert.match(css,/\.ed-tabs\{[^}]*overflow-x:auto/);
  assert.match(catalogCss,/\.ic-word-themes\{[^}]*overflow-x:auto/);
  assert.match(catalogCss,/@media\(max-width:760px\)/);
});