#!/usr/bin/env python

from __future__ import absolute_import, division, print_function
import argparse
from limited_area.limited_area import LimitedArea

if __name__ == "__main__":
    description = ("Create a limited area MPAS grid from a global MPAS grid"
                   " and a file that specifies the regional area boundary.")

    epilog = ("For more information please see: "
             "https://github.com/MiCurry/MPAS-Limited-Area")


    parser = argparse.ArgumentParser(description=description,
                                     epilog=epilog)

    required = parser.add_argument_group('Required', "Limited Area requires a"
                                                     " MPAS Grid as well as a"
                                                     " file specifying the"
                                                     " limited area.")

    options = parser.add_argument_group('Options', "Options to generating the"
                                                   " MPAS limited area.")


    required.add_argument('points',
                          help='Points file specifying the MPAS regional area',
                          type=str)
    required.add_argument('grid',
                          help=('Global MPAS grid file. Either a grid.nc or'
                                ' static.nc file'),
                          type=str)

    options.add_argument('-v', '--verbose',
                         help='Turn on verbose setting 0-5',
                         type=int,
                         default=0)

    args, unkown = parser.parse_known_args()


    DEBUG = args.verbose
    if  DEBUG > 0:
        print("DEBUG: DEBUG set to verbose level ", DEBUG, '\n')

    if DEBUG > 1:
        print("DEBUG: Grid File: ", args.grid)
        print("DEBUG: Points File: ", args.points)


    kwargs = { 'DEBUG' : DEBUG }

    regional_area = LimitedArea(args.grid,
                                args.points,
                                format='NETCDF3_64BIT_OFFSET',
                                **kwargs)

    regional_area.gen_region(**kwargs)


    if DEBUG > 0:
        print("DEBUG: Limited Area Creation Finished")