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# Lint as: python3
"""COMPS: Conceptual Minimal Pair Sentences for analyzing property knowledge."""

import json

import datasets


_CITATION = """
@article{misra2022comps,
  title={COMPS: Conceptual Minimal Pair Sentences for testing Property Knowledge and Inheritance in Pre-trained Language Models},
  author={Misra, Kanishka and Rayz, Julia Taylor and Ettinger, Allyson},
  journal={arXiv preprint arXiv:2210.01963},
  year={2022}
}
"""

_DESCRIPTION = """
COMPS is a dataset of minimal pair sentences in English that enables the 
testing knowledge of concepts and their properties in language models (LMs).
Specifically, it tests the ability of LMs to attribute properties to everyday 
concepts, and demonstrate reasoning compatible with property inheritance, where
subordinate concepts inherit the properties of their superordinate (hypernyms).
"""

_PROJECT_URL = "https://github.com/kanishkamisra/comps"
_DOWNLOAD_URL = "https://raw.githubusercontent.com/kanishkamisra/comps/main/" \
    "data/comps/"


class CompsConfig(datasets.BuilderConfig):
    """BuilderConfig for COMPS."""

    def __init__(self, name, version=datasets.Version("0.1.0"), **kwargs):
        """BuilderConfig for COMPS.

        Args:
          name (str): subset id
          **kwargs: keyword arguments forwarded to super.
        """
        description = _DESCRIPTION
        if name == "base":
            description += " This subset tests for base property knowledge."
        elif name == "wugs":
            description += " This subset tests for property inheritance" \
                " without distraction."
        else:
            description += " This subset tests for property inheritance with" \
                 f" distraction ({name.replace('wugs-dist-', '')})."

        super().__init__(name=name, description=description, version=version, **kwargs)


class Comps(datasets.GeneratorBasedBuilder):
    """Minimal pairs to analyze property knowledge."""

    subsets = ("base", "wugs", "wugs_dist", "wugs_dist-before", "wugs_dist-in-between")

    BUILDER_CONFIGS = [CompsConfig(subset) for subset in subsets]

    def _info(self):
        return datasets.DatasetInfo(
            description=_DESCRIPTION,
            features=datasets.Features(
                {
                    "id": datasets.Value("int32"),
                    "property": datasets.Value("string"),
                    "acceptable_concept": datasets.Value("string"),
                    "unacceptable_concept": datasets.Value("string"),
                    "prefix_acceptable": datasets.Value("string"),
                    "prefix_unacceptable": datasets.Value("string"),
                    "property_phrase": datasets.Value("string"),
                    "negative_sample_type": datasets.Value("string"),
                    "similarity": datasets.Value("float32"),
                    "distraction_type": datasets.Value("string"),
                }
            ),
            homepage=_PROJECT_URL,
            citation=_CITATION,
        )

    def _split_generators(self, dl_manager):
        """Returns SplitGenerators."""
        download_urls = _DOWNLOAD_URL + f"comps_{self.config.name}.jsonl"
        downloaded_file = dl_manager.download_and_extract(download_urls)
        return [datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": downloaded_file})]

    def _generate_examples(self, filepath):
        """Yields examples."""
        with open(filepath, "r", encoding="utf-8") as f:
            for line in f:
                line_dict = json.loads(line)
                if "wugs" in self.config.name:
                    id_ = str(line_dict["base_id"]) + "_" + line_dict["distraction_type"]
                    feats = {
                        "id": line_dict["id"],
                        "property": line_dict["property"],
                        "acceptable_concept": line_dict["acceptable_concept"],
                        "unacceptable_concept": line_dict["unacceptable_concept"],
                        "prefix_acceptable": line_dict["prefix_acceptable"],
                        "prefix_unacceptable": line_dict["prefix_unacceptable"],
                        "property_phrase": line_dict["property_phrase"],
                        "negative_sample_type": line_dict["negative_sample_type"],
                        "similarity": line_dict["similarity"],
                        "distraction_type": line_dict["distraction_type"],
                    }
                else:
                    id_ = str(line_dict['id'])
                    feats = {
                        **line_dict,
                        "distraction_type": "None"
                    }
                yield id_, feats