import datasets
import os
import json

class CodeforcesQuestionSolutionLabel(datasets.GeneratorBasedBuilder):
    BUILDER_CONFIGS = [
        datasets.BuilderConfig(name="cpp", description="C++ Solutions"),
        datasets.BuilderConfig(name="py", description="Python Solutions"),
        datasets.BuilderConfig(name="java", description="Java Solultions"),
    ]

    def _info(self):
        return datasets.DatasetInfo(
            features=datasets.Features({
                "contest_id": datasets.Value("string"),
                "problem_id": datasets.Value("string"),
                "statement": datasets.Value("string"),
                "tags": datasets.Sequence(datasets.Value("string")),
                "code": datasets.Value("string"),
                "language": datasets.Value("string"),
            }),
        )

    def _split_generators(self, dl_manager):
        config = self.config.name
        data_dir = f"{config}/"
        return [
            datasets.SplitGenerator(
                name=datasets.Split.TRAIN,
                gen_kwargs={"filepath": os.path.join(data_dir, "train.jsonl")},
            ),
            datasets.SplitGenerator(
                name=datasets.Split.VALIDATION,
                gen_kwargs={"filepath": os.path.join(data_dir, "validation.jsonl")},
            ),
            datasets.SplitGenerator(
                name=datasets.Split.TEST,
                gen_kwargs={"filepath": os.path.join(data_dir, "test.jsonl")},
            ),
        ]

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