"""Miscellaneous report related utils."""

import copy

from processing_accounting.flows.custom_export import setting
from processing_accounting.flows.custom_export.constants import report_type


def is_physical_report(transaction_types):
    """Check if transaction_types correspond to physical report.

    Args:
         transaction_types (str): comma separated list of transaction types

    Returns:
        bool: True if transaction types correspond to physical export report,
        False otherwise.
    """
    return transaction_types == report_type.PHYSICAL


def get_report_schema(excluded_columns, report_version, transaction_types):
    """Build field to header report schema with respect to exclude columns.

    Args:
        excluded_columns (list): columns excluded from the report
        report_version (int): version of the report
        transaction_types (str): comma separated list of transaction types

    Returns:
        collections.OrderedDict: ordered mapping for the report
    """
    if is_physical_report(transaction_types):
        header_map = setting.DEFAULT_PHYSICAL_REPORT_SCHEMA
    else:
        header_map = setting.header_mapping.get(
            report_version, setting.DEFAULT_HEADER_MAP)
    report_schema = copy.deepcopy(header_map)

    for excluded_column in excluded_columns:
        report_schema.pop(excluded_column, None)
    return report_schema