from __future__ import annotations
from pathlib import Path

from habitmove.nomiedata import Event, ImportData, Tracker


class Parser:
    def __init__(self, data="") -> None:
        """Load a data set and prepare parser data"""
        self.data = data

    @classmethod
    def from_file(cls, path: str) -> Parser:
        """Load in a data set"""
        txt = Path(path).read_text()
        return cls(data=txt)

    def parse(self) -> ImportData:
        """Extract all data from a data set"""
        raise NotImplementedError

    def extract_version(self) -> str:
        """Extract import dataset version from the data set"""
        raise NotImplementedError

    def extract_trackers(self) -> list[Tracker]:
        """Extract trackers from the data set"""
        raise NotImplementedError

    def extract_events(self) -> list[Event]:
        """Extract events from the data set"""
        raise NotImplementedError