import os
import random
import datasets
import requests

_URL = "https://res.ai-lab.top/api/acgnailib/models"

_GAMES = {"Genshin": "原神", "StarRail": "星穹铁道"}

_LANGUAGES = {"zh": "中文", "ja": "日语", "en": "英语", "ko": "韩语"}


class hoyoTTS(datasets.GeneratorBasedBuilder):
    def _info(self):
        if self.config.name == "default":
            self.config.name = "黑塔"

        return datasets.DatasetInfo(
            features=datasets.Features(
                {
                    "audio": datasets.Audio(sampling_rate=44_100),
                    "text": datasets.Value("string"),
                }
            ),
            supervised_keys=("audio", "text"),
            homepage=f"https://www.modelscope.cn/datasets/Genius-Society/{os.path.basename(__file__)[:-3]}",
            license="CC-BY-NC-ND",
            version="0.0.1",
        )

    def _get_txt(self, file_path: str):
        lab_path = file_path.replace(".wav", ".lab")
        with open(lab_path, "r", encoding="utf-8") as file:
            content = file.read()

        return content.strip()

    def _parse_url(self, game: str, lang: str):
        response = requests.post(
            _URL,
            json={
                "category": _GAMES[game],
                "repo": f"datasets/aihobbyist/{game}_Dataset",
                "root_path": "/datasets",
                "subcategory": _LANGUAGES[lang],
            },
            headers={
                "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0"
            },
        )
        response.raise_for_status()
        data = response.json()
        for item in data:
            if item["dataname"] == self.config.name:
                return item["dl_link"]

        return None

    def _split_generators(self, dl_manager):
        data_splits = []
        for game in _GAMES:
            for lang in _LANGUAGES:
                url = self._parse_url(game, lang)
                if not url:
                    continue

                try:
                    data_files = dl_manager.download_and_extract(url)
                except Exception as e:
                    print(f"{e}, retrying...")
                    data_files = dl_manager.download_and_extract(url)

                files = []
                for fpath in dl_manager.iter_files([data_files]):
                    if os.path.basename(fpath).endswith(".wav"):
                        files.append({"audio": fpath, "text": self._get_txt(fpath)})

                random.shuffle(files)
                data_splits.append(
                    datasets.SplitGenerator(
                        name=f"{game}_{lang}",
                        gen_kwargs={"files": files},
                    )
                )

        return data_splits

    def _generate_examples(self, files):
        for i, path in enumerate(files):
            yield i, path