__version__ = "0.1.0"
__author__ = "Your Name <your.email@example.com>"

from visidata import Sheet, BaseSheet, vd


@Sheet.api
def hide_empty_and_superfluous_cols(sheet):
    """
    Given a sheet, hides columns that are empty or superfluous (contain the same
    value in every row).
    """
    # Create a dictionary to keep track of which columns to hide
    cols_to_hide = {}

    # Check each column for being empty or superfluous
    for col in sheet.visibleCols:
        # Check if the column is empty (all cells are empty or None)
        if all([col.getValue(row) in (None, "") for row in sheet.rows]):
            cols_to_hide[col] = True
            continue

        # Check if the column is superfluous (contains the same value in every row)
        values = set([col.getValue(row) for row in sheet.rows if col.getValue(row) not in (None, "", "null")])
        if len(values) == 1:
            cols_to_hide[col] = True

    # Hide the columns that were flagged
    if cols_to_hide:
        for col in cols_to_hide:
            col.width=0
        vd.status(f"Hid {len(cols_to_hide)} empty/superfluous columns.")
    else:
        vd.status("No empty/superfluous columns to hide.")

Sheet.addCommand(None, "tke-hidecol", "sheet.hide_empty_and_superfluous_cols()")