# silicone-merged.py

## About: This is a dataset script for diwank/silicone-merged
## Docs: https://huggingface.co/docs/datasets/dataset_script.html


"""Merged and simplified dialog act datasets from the silicone collection."""


import csv
import os

import datasets

_DESCRIPTION = """\
Merged and simplified dialog act datasets from the silicone collection.
"""

_HOMEPAGE = "https://huggingface.co/datasets/diwank/silicone-merged"
_LICENSE = "MIT"

_URLS = [
    "https://huggingface.co/datasets/diwank/silicone-merged/resolve/main/train.csv",
    "https://huggingface.co/datasets/diwank/silicone-merged/resolve/main/validation.csv",
    "https://huggingface.co/datasets/diwank/silicone-merged/resolve/main/test.csv",
]

class SiliconeMergedDataset(datasets.GeneratorBasedBuilder):
    """Merged and simplified dialog act datasets from the silicone collection."""

    VERSION = datasets.Version("1.0.0")
    BUILDER_CONFIGS = [
        datasets.BuilderConfig(name="default", version=VERSION, description="default config"),
    ]

    DEFAULT_CONFIG_NAME = "default"


    def _info(self):
        
        features = datasets.Features(
            {
                "text_a": datasets.Value("string"),
                "text_b": datasets.Value("string"),
                "labels": datasets.Value("int64")
            }
        )
        
        return datasets.DatasetInfo(
            description=_DESCRIPTION,
            features=features,
            supervised_keys=("text_b", "labels"),
            homepage=_HOMEPAGE,
            license=_LICENSE,
        )

    def _split_generators(self, dl_manager):
        # dl_manager is a datasets.download.DownloadManager that can be used to download and extract URLS
        # It can accept any type or nested list/dict and will give back the same structure with the url replaced with path to local files.
        # By default the archives will be extracted and a path to a cached folder where they are extracted is returned instead of the archive
        urls = _URLS[self.config.name]
        data_dir = dl_manager.download_and_extract(urls)
        return [
            datasets.SplitGenerator(
                name=datasets.Split.TRAIN,
                # These kwargs will be passed to _generate_examples
                gen_kwargs={
                    "filepath": os.path.join(data_dir, "train.csv"),
                    "split": "train",
                },
            ),
            datasets.SplitGenerator(
                name=datasets.Split.TEST,
                # These kwargs will be passed to _generate_examples
                gen_kwargs={
                    "filepath": os.path.join(data_dir, "test.csv"),
                    "split": "test"
                },
            ),
            datasets.SplitGenerator(
                name=datasets.Split.VALIDATION,
                # These kwargs will be passed to _generate_examples
                gen_kwargs={
                    "filepath": os.path.join(data_dir, "validation.csv"),
                    "split": "validation",
                },
            ),
        ]

    def _generate_examples(self, filepath, split):
        
        with open(filepath, encoding="utf-8") as f:
            reader = csv.reader(f)
            for key, data in enumerate(reader):
                yield key, data