#!/usr/bin/env python
"""Collection of functions for the manipulation of time series."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import warnings

import mando
from mando.rst_text_formatter import RSTHelpFormatter

from .. import tsutils

warnings.filterwarnings('ignore')


@mando.command('date_slice', formatter_class=RSTHelpFormatter, doctype='numpy')
@tsutils.doc(tsutils.docstrings)
def date_slice_cli(input_ts='-',
                   columns=None,
                   start_date=None,
                   end_date=None,
                   dropna='no',
                   clean=False,
                   skiprows=None,
                   index_type='datetime',
                   names=None,
                   round_index=None,
                   source_units=None,
                   target_units=None,
                   float_format='%g'):
    """Print out data to the screen between start_date and end_date.

    This isn't really useful anymore because "start_date" and "end_date" are
    available in all sub-commands.

    Parameters
    ----------
    {input_ts}
    {columns}
    {start_date}
    {end_date}
    {dropna}
    {clean}
    {skiprows}
    {index_type}
    {names}
    {float_format}
    {source_units}
    {target_units}
    {round_index}

    """
    tsutils._printiso(date_slice(input_ts=input_ts,
                                 columns=columns,
                                 start_date=start_date,
                                 end_date=end_date,
                                 dropna=dropna,
                                 clean=clean,
                                 skiprows=skiprows,
                                 index_type=index_type,
                                 names=names,
                                 round_index=round_index,
                                 source_units=source_units,
                                 target_units=target_units,
                                 float_format=float_format),
                      float_format=float_format)


def date_slice(input_ts='-',
               columns=None,
               start_date=None,
               end_date=None,
               dropna='no',
               clean=False,
               skiprows=None,
               index_type='datetime',
               names=None,
               round_index=None,
               source_units=None,
               target_units=None,
               float_format='%g'):
    """Print out data to the screen between start_date and end_date."""
    return tsutils.common_kwds(tsutils.read_iso_ts(input_ts,
                                                   skiprows=skiprows,
                                                   names=names,
                                                   index_type=index_type),
                               start_date=start_date,
                               end_date=end_date,
                               pick=columns,
                               round_index=round_index,
                               dropna=dropna,
                               source_units=source_units,
                               target_units=target_units,
                               clean=clean)
