import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
import json
import tempfile
import soundfile as sf
from synth_generator import generate_test_song
from pipeline_runner import PipelineParams, run_extraction_pipeline

song = generate_test_song(pattern_name='rock', bars=2, bpm=120, add_bass=False)
out = Path(tempfile.mkdtemp(prefix='dse-test-'))
inp = out / 'input.wav'
sf.write(inp, song.drums_only, song.sr)
params = PipelineParams(stem='all', target_min=4, target_max=8, synthesize=True)
res = run_extraction_pipeline(inp, out / 'out', params)
print(json.dumps({
    'duration_sec': res.duration_sec,
    'audio_duration_sec': res.audio_duration_sec,
    'realtime_factor': res.realtime_factor,
    'hit_count': res.hit_count,
    'cluster_count': res.cluster_count,
    'stages': res.stages,
    'files': res.files,
}, indent=2))