import csv
import shutil
from pathlib import Path

folder_path = Path("darija20")
folder_path.mkdir(exist_ok=True)
audio_folders_path: Path = folder_path / "data"
audio_folders_path.mkdir(exist_ok=True)
all_rows = []
for file in Path("darija/texts").iterdir():
    with file.open("r") as f:
        reader = csv.DictReader(f, delimiter="\t")
        split = file.stem
        split_audios_path = audio_folders_path / split
        split_audios_path.mkdir(exist_ok=True)
        columns = reader.fieldnames
        for row in reader:
            wav = row["wav"]
            shutil.copy(Path("darija/wavs") / wav, split_audios_path)
            row["wav"] = Path("data") / split / row["wav"]
            all_rows.append(row)

columns = ["file_name", "words", "duration", "audio_id"]
with (folder_path / "metadata.csv").open("w", newline='', encoding="utf-8") as f:
    writer = csv.DictWriter(f, fieldnames=columns)
    writer.writeheader()
    for row in all_rows:
        row["file_name"] = row["wav"]
        row["audio_id"] = Path(row["wav"]).stem
        del row["wav"]
        writer.writerow(row)