"""없는 원본·잘못된 Scene·원자 수·부피를 실제 Blender로 거부하는지 검사한다."""
import json
from pathlib import Path
import subprocess

ROOT=Path(__file__).resolve().parents[3]
BASE=ROOT/'projects/water-hydrogen-bond-surface-tension/stages/08-scenes/r2'
BLENDER='C:/Program Files/Blender Foundation/Blender 5.2/blender.exe'
SOURCE=BASE/'generated-source/preview.blend'
VERIFY=ROOT/'projects/water-hydrogen-bond-surface-tension/blender/verify_model.py'
records=[]


def execute(args, expected):
    command=[BLENDER,'--background','--disable-autoexec','--python-exit-code','1']+args
    result=subprocess.run(command,cwd=ROOT,capture_output=True,text=True,encoding='utf-8')
    assert result.returncode==expected,(command,result.stdout,result.stderr)
    records.append(dict(command=command,exit_code=result.returncode,expected_exit_code=expected,reason=result.stderr.strip().splitlines()[-1:] if result.stderr.strip() else []))


for name,edit in [('invalid-default','bpy.ops.wm.read_factory_settings(use_empty=True)'),('invalid-atoms',"bpy.data.objects.remove(bpy.data.objects['PairA_H2'],do_unlink=True)"),('invalid-volume',"bpy.data.objects['Droplet'].animation_data.drivers[1].driver.expression='1'")]:
    fixture=BASE/'generated-source'/f'{name}.blend'
    expression=f'import bpy; bpy.ops.wm.open_mainfile(filepath={str(SOURCE)!r}); {edit}; bpy.ops.wm.save_as_mainfile(filepath={str(fixture)!r})'
    execute(['--python-expr',expression],0)
    execute(['--python',str(VERIFY),'--','--source',str(fixture),'--out',str(BASE/'generated-source/invalid-result.json')],1)
execute(['--python',str(VERIFY),'--','--source',str(BASE/'generated-source/missing.blend'),'--out',str(BASE/'generated-source/invalid-result.json')],1)
execute(['--python',str(VERIFY),'--','--source',str(SOURCE),'--out',str(BASE/'model-check.json')],0)
(BASE/'model-test-results.json').write_text(json.dumps(dict(result='GREEN',negative_cases=4,positive_cases=1,executions=records),ensure_ascii=False,indent=2)+'\n',encoding='utf-8')
print('4 negative cases RED, real model GREEN')