import test from 'node:test';
import assert from 'node:assert/strict';
import {build} from 'esbuild';
const bundle=await build({stdin:{contents:"export * from './src/core/roverScene/sceneDocument'; export * from './src/core/roverScene/sceneMigration';",resolveDir:process.cwd()},bundle:true,write:false,platform:'node',format:'esm'});
const {defaultScene,loadStoredScene,parseScene}=await import('data:text/javascript;base64,'+Buffer.from(bundle.outputFiles[0].contents).toString('base64'));
// Historical settings released by the first editor, independent of migration code.
function savedFirstEditor(){
 const d=defaultScene();delete d.environmentVersion;
 d.postFx={...d.postFx,
  lighting:{exposure:1.1,skyBoxIntensity:1,ambientIntensity:.22},
  envAtlas:{...d.postFx.envAtlas,reflectionIntensity:1,brightness:1.2},
  rendering:{...d.postFx.rendering,backgroundColor:'#202227',fog:'none',toneMapping:4},
  grid:{...d.postFx.grid,colorMain:'#747982',colorX:'#93969c',colorZ:'#93969c',alphaMain:.25,alphaX:.35,alphaZ:.35,fadeStart:2,fadeEnd:5,step:.5,diameter:12},
  chromaticAberration:{...d.postFx.chromaticAberration,enabled:false},vignette:{...d.postFx.vignette,enabled:false},grading:{...d.postFx.grading,enabled:false},bloom:{...d.postFx.bloom,enabled:false},
  directionalLight:{...d.postFx.directionalLight,intensity:1.8,azimuth:135,elevation:45},shadowCatcher:{...d.postFx.shadowCatcher,size:4,lightIntensity:.5,shadowIntensity:.25}
 };
 return d;
}
test('previous saved neutral preset migrates to NodeDC while retaining material work',()=>{
 const raw=savedFirstEditor();raw.materials['rover/body'].name='Мой корпус';raw.materials['rover/body'].roughness=.73;raw.materials['rover/body'].textures.diffuse={name:'my.png',data:'data:image/png;base64,YWJj'};
 raw.assignments['rover/box']='rover/body';raw.cameraZoomStrength=.1;
 const original=structuredClone(raw),r=loadStoredScene(raw);
 assert.equal(r.restoredEnvironment,true);assert.equal(r.updated,true);
 assert.deepEqual(r.document.postFx,defaultScene().postFx);
 assert.deepEqual(r.document.materials,raw.materials);assert.deepEqual(r.document.assignments,raw.assignments);assert.equal(r.document.cameraZoomStrength,.1);
 assert.deepEqual(raw,original,'backup must retain the exact input');
 assert.equal(loadStoredScene(r.document).updated,false,'migration runs once');
});
test('a single custom environment edit prevents a destructive reset',()=>{
 const raw=savedFirstEditor();raw.postFx.lighting.exposure=1.3;
 const r=loadStoredScene(raw);assert.equal(r.restoredEnvironment,false);assert.deepEqual(r.document.postFx,raw.postFx);
});
test('a deliberate new gray scene and explicit JSON imports retain their appearance',()=>{
 const raw=savedFirstEditor();raw.environmentVersion=2;
 assert.equal(loadStoredScene(raw).restoredEnvironment,false);
 delete raw.environmentVersion;
 const imported=parseScene(raw);assert.equal(imported.environmentVersion,2);assert.deepEqual(imported.postFx,raw.postFx);
 assert.equal(loadStoredScene(imported).restoredEnvironment,false);
});
test('already restored legacy NodeDC scene is only versioned, not altered',()=>{
 const raw=defaultScene();delete raw.environmentVersion;const r=loadStoredScene(raw);
 assert.equal(r.updated,true);assert.equal(r.restoredEnvironment,false);assert.deepEqual(r.document.postFx,raw.postFx);
});