# -*- coding: utf-8 -*-

"""
***************************************************************************
    ogr2ogr.py
    ---------------------
    Date                 : November 2012
    Copyright            : (C) 2012 by Victor Olaya
    Email                : volayaf at gmail dot com
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************
"""

__author__ = 'Victor Olaya'
__date__ = 'November 2012'
__copyright__ = '(C) 2012, Victor Olaya'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = '$Format:%H$'

import os

from PyQt4.QtCore import *
from PyQt4.QtGui import *

from qgis.core import *

from processing.core.parameters import ParameterVector
from processing.core.parameters import ParameterString
from processing.core.parameters import ParameterSelection
from processing.core.outputs import OutputVector

from processing.tools.system import *

from processing.algs.gdal.OgrAlgorithm import OgrAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils

FORMATS = [
    'ESRI Shapefile',
    'GeoJSON',
    'GeoRSS',
    'SQLite',
    'GMT',
    'MapInfo File',
    'INTERLIS 1',
    'INTERLIS 2',
    'GML',
    'Geoconcept',
    'DXF',
    'DGN',
    'CSV',
    'BNA',
    'S57',
    'KML',
    'GPX',
    'PGDump',
    'GPSTrackMaker',
    'ODS',
    'XLSX',
    'PDF',
    ]
EXTS = [
    '.shp',
    '.geojson',
    '.xml',
    '.sqlite',
    '.gmt',
    '.tab',
    '.ili',
    '.ili',
    '.gml',
    '.txt',
    '.dxf',
    '.dgn',
    '.csv',
    '.bna',
    '.000',
    '.kml',
    '.gpx',
    '.pgdump',
    '.gtm',
    '.ods',
    '.xlsx',
    '.pdf',
    ]


class Ogr2Ogr(OgrAlgorithm):

    OUTPUT_LAYER = 'OUTPUT_LAYER'
    INPUT_LAYER = 'INPUT_LAYER'
    FORMAT = 'FORMAT'
    OPTIONS = 'OPTIONS'

    def defineCharacteristics(self):
        self.name = 'Convert format'
        self.group = '[OGR] Conversion'

        self.addParameter(ParameterVector(self.INPUT_LAYER, 'Input layer',
                          [ParameterVector.VECTOR_TYPE_ANY], False))
        self.addParameter(ParameterSelection(self.FORMAT,
                          'Destination Format', FORMATS))
        self.addParameter(ParameterString(self.OPTIONS, 'Creation Options',
                          '', optional=True))

        self.addOutput(OutputVector(self.OUTPUT_LAYER, 'Output layer'))

    def processAlgorithm(self, progress):
        inLayer = self.getParameterValue(self.INPUT_LAYER)
        ogrLayer = self.ogrConnectionString(inLayer)

        output = self.getOutputFromName(self.OUTPUT_LAYER)
        outFile = output.value

        formatIdx = self.getParameterValue(self.FORMAT)
        outFormat = FORMATS[formatIdx]
        ext = EXTS[formatIdx]
        if not outFile.endswith(ext):
            outFile += ext
            output.value = outFile

        output = self.ogrConnectionString(outFile)
        options = unicode(self.getParameterValue(self.OPTIONS))

        if outFormat == 'SQLite' and os.path.isfile(output):
            os.remove(output)

        arguments = []
        arguments.append('-f')
        arguments.append(outFormat)
        if len(options) > 0:
            arguments.append(options)

        arguments.append(output)
        arguments.append(ogrLayer)

        commands = []
        if isWindows():
            commands = ['cmd.exe', '/C ', 'ogr2ogr.exe',
                        GdalUtils.escapeAndJoin(arguments)]
        else:
            commands = ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]

        GdalUtils.runGdal(commands, progress)