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

async function loadAvatarRenderer(){
  const source=await readFile('public/js/avatar.js','utf8');
  const cutoff=source.indexOf('/* bouwt de interactieve kiezer');
  assert.ok(cutoff>0,'rendergedeelte van avatar.js ontbreekt');
  const created=[];
  const context={
    T:key=>key,
    document:{
      createElementNS(){
        const element={
          attributes:{},
          innerHTML:'',
          setAttribute(name,value){this.attributes[name]=String(value);},
        };
        created.push(element);
        return element;
      },
    },
  };
  runInNewContext(source.slice(0,cutoff)+
    ';globalThis.__avatar={renderAvatarFace,avatarBodyMarkup,bodyAccessories:AVATAR_BODY_ACC_MARKUP,headAccessories:AVATAR_HEAD_ACC_MARKUP};',
    context);
  return {api:context.__avatar,created};
}

const base={
  species:'dino',
  bodyColor:'#3fae6a',
  hairStyle:'none',
  hairColor:'#5b3a29',
  accessoryHead:'none',
  accessoryBody:'none',
};

test('avatars hebben verbonden en herkenbare lichaamsdelen per soort',async()=>{
  const {api}=await loadAvatarRenderer();
  for(const species of ['dino','monster','animal']){
    const markup=api.avatarBodyMarkup(species,base.bodyColor);
    assert.equal((markup.match(/av-arm av-arm-/g)||[]).length,2,species+' mist twee armen');
    assert.equal((markup.match(/av-leg av-leg-/g)||[]).length,2,species+' mist twee benen');
    for(const part of ['av-neck','av-torso','av-head','av-eye']){
      assert.ok(markup.includes(part),species+' mist '+part);
    }
    assert.ok(markup.indexOf('av-arm')<markup.indexOf('av-torso'),species+'-armen moeten achter de romp aansluiten');
    assert.ok(markup.indexOf('av-leg')<markup.indexOf('av-torso'),species+'-benen moeten onder de romp aansluiten');
  }
  const dino=api.avatarBodyMarkup('dino',base.bodyColor);
  const monster=api.avatarBodyMarkup('monster',base.bodyColor);
  const animal=api.avatarBodyMarkup('animal',base.bodyColor);
  assert.ok(dino.indexOf('av-tail')<dino.indexOf('av-head'));
  assert.ok(dino.indexOf('av-crest')<dino.indexOf('av-head'));
  assert.equal((monster.match(/av-horn/g)||[]).length,2);
  assert.equal((animal.match(/av-ear av-ear-/g)||[]).length,2);
});

test('lichaamsaccessoires gebruiken anatomisch correcte voor- en achterlagen',async()=>{
  const {api}=await loadAvatarRenderer();
  for(const id of ['none','scarf','cape','badge','necklace','backpack']){
    assert.equal(typeof api.bodyAccessories[id].back,'function',id+' mist achterlaag');
    assert.equal(typeof api.bodyAccessories[id].front,'function',id+' mist voorlaag');
  }

  const cape=api.renderAvatarFace({...base,accessoryBody:'cape'},'lg').innerHTML;
  assert.ok(cape.indexOf('av-cape\"')<cape.indexOf('av-torso\"'));
  assert.ok(cape.indexOf('av-cape-clasp')>cape.indexOf('av-head\"'));

  const backpack=api.renderAvatarFace({...base,accessoryBody:'backpack'},'lg').innerHTML;
  assert.ok(backpack.indexOf('av-backpack\"')<backpack.indexOf('av-torso\"'));
  assert.ok(backpack.indexOf('av-backpack-strap')>backpack.indexOf('av-head\"'));

  for(const [id,part] of [['scarf','av-scarf'],['badge','av-badge'],['necklace','av-necklace']]){
    const markup=api.renderAvatarFace({...base,accessoryBody:id},'lg').innerHTML;
    assert.ok(markup.indexOf(part)>markup.indexOf('av-head\"'),id+' hoort vóór op het lichaam');
  }
});

test('alle avatarcombinaties renderen volledig binnen de verruimde SVG',async()=>{
  const {api}=await loadAvatarRenderer();
  const species=['dino','monster','animal'];
  const hair=['none','spiky','curly','ponytail','mohawk'];
  const head=['none','cap','crown','glasses','sunglasses','bow','headphones','partyhat'];
  const body=['none','scarf','cape','badge','necklace','backpack'];

  for(const speciesId of species){
    for(const hairId of hair){
      for(const headId of head){
        for(const bodyId of body){
          const svg=api.renderAvatarFace({
            ...base,
            species:speciesId,
            hairStyle:hairId,
            accessoryHead:headId,
            accessoryBody:bodyId,
          },'sm');
          assert.equal(svg.attributes.viewBox,'-6 -12 112 124');
          assert.equal(svg.attributes.preserveAspectRatio,'xMidYMid meet');
          assert.doesNotMatch(svg.innerHTML,/undefined|NaN/);
          assert.ok(svg.innerHTML.includes('av-head'));
        }
      }
    }
  }

  const cap=api.renderAvatarFace({...base,hairStyle:'spiky',hairColor:'#123456',accessoryHead:'cap'},'lg').innerHTML;
  const crown=api.renderAvatarFace({...base,hairStyle:'spiky',hairColor:'#123456',accessoryHead:'crown'},'lg').innerHTML;
  assert.ok(!cap.includes('#123456'),'pet hoort het bovenhaar af te dekken');
  assert.ok(crown.includes('#123456'),'kroon hoort op het haar te rusten');
  for(const id of head)assert.equal(typeof api.headAccessories[id],'function');
});