from datasets import GeneratorBasedBuilder, DatasetInfo, SplitGenerator, Split, Features, Value, Audio,SplitGenerator, Split
import os
import json
import csv

import datasets
from datasets.utils.py_utils import size_str
from tqdm import tqdm


_BASE_URL = "https://huggingface.co/datasets/iulik-pisik/horoscop_urania/resolve/main/"
_AUDIO_URL = _BASE_URL + "audio.tar"
_TRANSCRIPT_URL = _BASE_URL + "transcript.tsv"

class HoroscopUrania(GeneratorBasedBuilder):
    
    def _info(self):
        return DatasetInfo(
            description="Descrierea datasetului tău.",
            features=Features({
                "path": Value("string"),
                "audio": Audio(sampling_rate=16000),
                "sentence": Value("string"),
            }),
            supervised_keys=("audio", "transcript"),
            homepage="https://huggingface.co/datasets/iulik-pisik/horoscop_urania",
            citation="Referința de citare a datasetului",
        )


    def _split_generators(self, dl_manager):

        downloaded_audio_files = dl_manager.download_and_extract(_AUDIO_URL)
        downloaded_tsv_files = dl_manager.download(_TRANSCRIPT_URL)
    
        return [
            SplitGenerator(
                name=Split.DATA,
                gen_kwargs={
                    "archive_path": downloaded_audio_files,
                    "tsv_path": downloaded_tsv_files,
                },
            ),
        ]



    def _generate_examples(self, archive_path, tsv_path):
        
        with open(tsv_path, encoding="utf-8") as f:
            reader = csv.DictReader(f, delimiter="\t", quoting=csv.QUOTE_NONE)
            for row in tqdm(reader, desc="Se citesc datele..."):
                audio_file_name = row["path"]
                audio_path = os.path.join(archive_path, audio_file_name)
                
                if not os.path.isfile(audio_path):
                    continue
    
                yield audio_file_name, {
                    "path": audio_path,  
                    "audio": audio_path,
                    "sentence": row["sentence"],
                }