import json
import os
from os.path import join as p_join
from tqdm import tqdm
from time import time
from datasets import load_dataset

from model_meta_voice import MetaVoiceSE
from model_pyannote_embedding import PyannoteSE
from model_w2v_bert import W2VBertSE


cache_dir = p_join("experiment_cache", "voxceleb1")


def get_embedding(model_class, model_name: str, dataset_name: str):
    dataset = load_dataset(dataset_name, split="test")
    file_path = p_join("experiment_cache", "embeddings", f"{model_name}.{dataset_name}.json")
    os.makedirs(os.path.dirname(file_path), exist_ok=True)
    if os.path.exists(file_path):
        return
    model = model_class()
    embeddings = []
    for i in tqdm(dataset, total=len(dataset)):
        start = time()
        v = model.get_speaker_embedding(i["audio"]["array"], i["audio"]["sampling_rate"])
        embeddings.append({
            "model": model_name,
            "embedding": v.tolist(),
            "sampling_rate": i["audio"]["sampling_rate"],
            "id": i["id"],
            "speaker_id": i["speaker_id"],
            "process_time": time() - start,
            "dataset_name": os.path.basename(dataset_name)
        })
    with open(file_path, "w") as f:
        f.write("\n".join([json.dumps(i) for i in embeddings]))


if __name__ == '__main__':
    # cache embedding
    get_embedding(MetaVoiceSE, "meta_voice_se", "asahi417/voxceleb1-test-split")
    get_embedding(PyannoteSE, "pyannote_se", "asahi417/voxceleb1-test-split")
    get_embedding(W2VBertSE, "w2v_bert_se", "asahi417/voxceleb1-test-split")