# -*- coding: utf-8 -*-

import io


class CSVHandler:
    """
    parse given csv
    """
    def __init__(self, path):
        """
        :param path: path to file
        """
        self.file = io.open(path, "r", encoding="cp1251").read().split("\n")
        self.headers = ['date', 'sum', 'category']

    def get_row(self, row):
        """ Get row with given index
        :param row:
        :return:
        """

        return self.file[row]

    def check_row(self, row_index, **kwargs):
        """ Check that row has given values
        :param row_index:
        :param kwargs:
        :return: True if values coincides else False
        """
        i = self.get_row(row_index).split(";")
        for key, val in kwargs.items():
            index = self.headers.index(key)
            if i[index] != val:

                return False

        return True

    def find_row(self, value=None, **kwargs):
        """ Find row index of row containing given values
        :param kwargs:
        :return: index of row if it is found, else None
        """
        if value is not None:

            return 0

        for i in range(len(self.file)-1):
            if self.check_row(i, **kwargs):

                return i

    def get_row_data(self, value=None, **kwargs):
        """ Find row containing given values and take dict with all values that it has
        :param kwargs:
        :return:
        """

        row = self.find_row(value, **kwargs)

        data = self.file[row].split(";")

        return dict(zip(self.headers, data))