"""Validate delivered one-shots and their TangoFlux source/recipe provenance."""
import hashlib
import json
from pathlib import Path
import numpy as np
from scipy.io import wavfile

ROOT=Path(__file__).resolve().parents[1]
DESIGN=ROOT/'Doc/Design/Sound/EnemyCombat'

def main():
    generation=json.loads((DESIGN/'generation.json').read_text(encoding='utf-8'))
    rows=[]
    for item in generation['items']:
        path=ROOT/item['output']; source=ROOT/item['source']
        assert hashlib.sha256(path.read_bytes()).hexdigest()==item['outputSha256']
        assert hashlib.sha256(source.read_bytes()).hexdigest()==item['sourceSha256']
        assert item['job']['status']=='succeeded'
        assert item['requestHash']==hashlib.sha256(json.dumps(item['request'],sort_keys=True).encode()).hexdigest()
        rate,samples=wavfile.read(path);x=samples.astype(float)/32768
        assert rate==44100 and x.ndim==2 and x.shape[1]==2 and samples.dtype==np.int16
        assert .1<len(x)/rate<1 and np.isfinite(x).all()
        assert np.max(np.abs(x))<.95 and np.max(np.abs(x[:4410]))>.05
        assert np.max(np.abs(x[-10:]))<.003
        rms=float(20*np.log10(np.sqrt(np.mean(x*x))))
        assert rms>-36
        rows.append(dict(id=item['id'],seconds=len(x)/rate,peakDb=float(20*np.log10(np.max(np.abs(x)))),rmsDb=rms,clippedSamples=int(np.sum(np.abs(x)>=.999)),hashesMatch=True))
    assert len(rows)==8
    report=dict(status='pass',clips=rows,checks='source/output/request hashes; succeeded job; PCM16 44.1kHz stereo; short duration; prompt onset; fade tail; finite samples; zero clipping',subjectiveListening='not_asserted_by_automated_QA',previewOrder=[item['id'] for item in generation['items']])
    (DESIGN/'audio_validation.json').write_text(json.dumps(report,indent=2),encoding='utf-8')
    print('PASS eight TangoFlux one-shots: provenance, format, onset, level, fade and zero clipping')

if __name__=='__main__':main()