#!/usr/bin/env python
"""
MODULE:    v.in.wfs2

AUTHOR(S): Stepan Turek <stepan.turek AT seznam.cz>

PURPOSE:   Downloads and imports data from WFS server.

COPYRIGHT: (C) 2012 Stepan Turek, and 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.
"""

#%module
#% description: Downloads and imports data from WFS server.
#% keyword: vector
#% keyword: import
#% keyword: wfs
#%end

#%option
#% key: url
#% type: string
#% description:URL of WFS server 
#% required: yes
#%end

#%option
#% key: layers
#% type: string
#% description: Layers to request from server
#% multiple: yes
#% required: yes
#%end

#%option G_OPT_V_OUTPUT
#% description: Name for output vector map
#%end


#%option
#% key: srs
#% type: integer
#% description: EPSG number of source projection for request 
#% answer:4326 
#% guisection: Request properties
#%end

#%flag
#% key: r
#% description: Restrict fetch to features which touch the region
#% guisection: Request properties
#%end

#%option
#% key: region
#% type: string
#% description: Named region to request data for (only with r flag)
#% guisection: Request properties
#%end

#%option
#% key: wfs_version
#% type:string
#% description:WFS standard
#% options:1.1.0, 1.0.0
#% answer:1.1.0
#% guisection: Request properties
#%end

#%option
#% key: maximum_features
#% type: integer
#% label: Maximum number of features to download
#% description: (default: unlimited)
#% guisection: Request properties
#%end

#%option
#% key: urlparams
#% type:string
#% description: Addition query parameters for server (only with GRASS driver)
#% guisection: Request properties
#%end

#%flag
#% key: c
#% description: Get capabilities
#% guisection: Request properties
#% suppress_required: yes
#%end

#%option
#% key: driver
#% type:string
#% description:WFS driver
#% options:WFS_GRASS, WFS_OSWLib
#% answer:WFS_GRASS
#%end


import os
import sys
sys.path.insert(1, os.path.join(os.path.dirname(sys.path[0]), 'etc', 'v.in.wfs2'))

import grass.script as grass

def main():

    if options['driver'] == 'WFS_GRASS':
        grass.debug("Using GRASS driver")
        from wfs_drv import WFSDrv
        wfs = WFSDrv()
    else:
        grass.debug("Using OSWLib driver")
        from wfs_owslib_drv import WFSOwsLibDrv
        wfs = WFSOwsLibDrv()
    
    if flags['c']:
        wfs.GetCapabilities(options)
    else:
        wfs.GetFeature(options, flags)    
   
    return 0

if __name__ == "__main__":
    options, flags = grass.parser()
    sys.exit(main())