#!/usr/bin/env python
# -*- coding: utf-8
"""
@module  r.info.iso
@brief   Module for creating metadata based on ISO for raster maps

(C) 2014 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.

@author Matej Krejci <matejkrejci gmail.com> (GSoC 2015)
"""
#%module
#% description: Lists information about space time datasets and maps.
#% keyword: temporal
#% keyword: metadata
#% keyword: extent
#%end

#%option G_OPT_STDS_INPUT
#% description: Name of an existing space time dataset or map
#%end

#%option G_OPT_STDS_TYPE
#% guidependency: input
#% guisection: Required
#% options: strds, str3ds, stvds, raster, raster_3d, vector
#%end

#%option G_OPT_F_OUTPUT
#% required: no
#%end


import os
import sys

import grass.temporal as tgis
import grass.script as grass
from grass.script import parser, fatal
from grass.pygrass.utils import set_path

set_path(modulename='wx.metadata', dirname='mdlib')

def main():
    # load metadata library
    from mdlib.mdgrass import GrassMD

    if not options['output']:
        destination = None
        name = None
    else:
        destination, name = os.path.split(options['output'])

    name = options["input"]
    type_ = options["type"]


    # Make sure the temporal database exists
    tgis.init()

    dbif, connected = tgis.init_dbif(None)

    if name.find("@") >= 0:
        id_ = name
    else:
        id_ = name + "@" + grass.gisenv()["MAPSET"]

    dataset = tgis.dataset_factory(type_, id_)

    if dataset.is_in_db(dbif) == False:
        grass.fatal(_("Dataset <%s> not found in temporal database") % (id_))

    md = GrassMD(id_, type=type_)
    md.createTemporalISO()
    md.saveXML(path=destination,
               xml_out_name=name,
               overwrite=os.getenv('GRASS_OVERWRITE', False))


if __name__ == "__main__":
    options, flags = parser()
    main()