from datasets import Dataset, GeneratorBasedBuilder, DatasetInfo, Features, Value, SplitGenerator
import pandas as pd
import tensorflow as tf
import csv

class Euro2020Dataset(GeneratorBasedBuilder):
    VERSION = "1.0.0" 

    def _info(self):
        return DatasetInfo(
            description="Your dataset description here.",
            features=Features({
                "HomeTeamName": Value("string"),
                "AwayTeamName": Value("string"),
                "DateandTimeCET": Value("string"),
                "MatchID": Value("int64"),
                "RoundName": Value("string"),
                "Stage": Value("string"),
                "MatchDay": Value("int64"),
                "Session": Value("int64"),
                "MatchMinute": Value("int64"),
                "InjuryTime": Value("int64"),
                "NumberofPhases": Value("int64"),
                "Phase": Value("int64"),
                "ScoreHome": Value("int64"),
                "ScoreAway": Value("int64"),
                "MatchStatus": Value("string"),
                "StadiumID": Value("int64"),
                "RefereeWebName": Value("string"),
                "NumberofMatchesRefereedPostMatch": Value("int64"),
                "TotalNumberofMatchesRefereed": Value("int64"),
                "NumberofMatchesRefereedinGroupStage": Value("int64"),
                "NumberofMatchesRefereedinKnockoutStage": Value("int64"),
                "AssistantRefereeWebName": Value("string"),
                "Humidity": Value("int64"),
                "Temperature": Value("int64"),
                "WindSpeed": Value("int64"),
                "MatchEvent": Value("dict"),
                "TeamLineUps": Value("dict"),
                "TeamStats": Value("dict"),
                "PlayerStats": Value("dict"),
                "PlayerPreMatchInfo": Value("dict"),
            }),
            supervised_keys=None,
            homepage="Optional dataset homepage",
            license= "j",
            citation="Optional citation"
        )

    def _split_generators(self, dl_manager：DownloadManager):
        file_url = "https://drive.google.com/uc?id=1RKoAQwq68LASd4ret_OKYUkF4B4m6hnu"
        downloaded_file = dl_manager.download(file_url)
        #dl_path = dl_manager.download_and_extract({'train_csv': file_url})
    
        return [
            SplitGenerator(
                name="train",
                gen_kwargs={"filepath": downloaded_file},#dl_path['train_csv']},
            ),
        ]

    def _generate_examples(self, filepath):
        #fobj = tf.io.gfile.GFile(filepath)
        #reader = csv.DictReader(fobj)
        with open(filepath, encoding="utf-8") as f:
            reader = csv.DictReader(f)
            for id, row in enumerate(reader):
                yield id, {
                    "HomeTeamName": row["HomeTeamName"],
                    "AwayTeamName": row["AwayTeamName"],
                    "DateandTimeCET": row["DateandTimeCET"],
                    "MatchID": row["MatchID"],
                    "RoundName": row["RoundName"],
                    "Stage": row["Stage"],
                    "MatchDay": row["MatchDay"],
                    "Session": row["Session"],
                    "MatchMinute": row["MatchMinute"],
                    "InjuryTime": row["InjuryTime"],
                    "NumberofPhases": row["NumberofPhases"],
                    "Phase": row["Phase"],
                    "ScoreHome": row["ScoreHome"],
                    "ScoreAway": row["ScoreAway"],
                    "MatchStatus": row["MatchStatus"],
                    "StadiumID": row["StadiumID"],
                    "RefereeWebName": row["RefereeWebName"],
                    "NumberofMatchesRefereedPostMatch": row["NumberofMatchesRefereedPostMatch"],
                    "TotalNumberofMatchesRefereed": row["TotalNumberofMatchesRefereed"],
                    "NumberofMatchesRefereedinGroupStage": row["NumberofMatchesRefereedinGroupStage"],
                    "NumberofMatchesRefereedinKnockoutStage": row["NumberofMatchesRefereedinKnockoutStage"],
                    "AssistantRefereeWebName": row["AssistantRefereeWebName"],
                    "Humidity": row["Humidity"],
                    "Temperature": row["Temperature"],
                    "WindSpeed": row["WindSpeed"],
                    "MatchEvent": row["MatchEvent"],
                    "TeamLineUps": row["TeamLineUps"],
                    "TeamStats": row["TeamStats"],
                    "PlayerStats": row["PlayerStats"],
                    "PlayerPreMatchInfo": row["PlayerPreMatchInfo"],
                }