import pathlib
import datetime

now = datetime.datetime.now()


class Logger:
    def __init__(self, path):
        self.fileName = pathlib.Path(
            path, f"result-{now.strftime('%Y-%m-%dT%H.%M.%S')}.csv"
        )
        self.file = open(self.fileName, "x")

        self.first = True
        self.index = []
        self.data = []

    def add(self, name: str, value):
        self.index.append(name)
        self.data.append(value)

    def csv(self, input):
        result = ""

        for idx, item in enumerate(input):
            result += str(item)
            if idx != (len(input) - 1):
                result += ", "
        result += "\n"
        print(result)

        return result

    def update(self):
        if self.first:
            self.first = False
            self.file.write(self.csv(self.index))

        self.file.write(self.csv(self.data))
        self.clear()
        
    def clear(self):
        # Clear data
        self.index = []
        self.data = []

    def __del__(self):
        print("Log file closed!")
        self.file.close()