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

"""
***************************************************************************
    GridSurfaceCreate.py
    ---------------------
    Date                 : August 2012
    Copyright            : (C) 2012 by Victor Olaya
    Email                : volayaf at gmail dot com
    ---------------------
    Date                 : June 2014
    Copyright            : (C) 2014 by Agresta S. Coop.
    Email                : iescamochero at agresta dot org
***************************************************************************
*                                                                         *
*   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__ = 'August 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
import subprocess
from processing.core.parameters import ParameterFile
from processing.core.parameters import ParameterNumber
from processing.core.parameters import ParameterBoolean
from processing.core.parameters import ParameterSelection
from processing.core.outputs import OutputFile
from FusionAlgorithm import FusionAlgorithm
from FusionUtils import FusionUtils
from processing.core.parameters import ParameterString


class GridSurfaceCreate(FusionAlgorithm):

    INPUT = 'INPUT'
    OUTPUT_DTM = 'OUTPUT_DTM'
    CELLSIZE = 'CELLSIZE'
    XYUNITS = 'XYUNITS'
    ZUNITS = 'ZUNITS'
    UNITS = ['Meter', 'Feet']
    SPIKE = 'SPIKE'
    MEDIAN = 'MEDIAN'
    SMOOTH = 'SMOOTH'
    SLOPE = 'SLOPE'
    MINIMUM = 'MINIMUM'
    CLASS = 'CLASS'
    ADVANCED_MODIFIERS = 'ADVANCED_MODIFIERS'

    def defineCharacteristics(self):
        self.name = 'Grid Surface Create'
        self.group = 'Surface'
        self.addParameter(ParameterFile(self.INPUT, 'Input las layer'))
        self.addParameter(ParameterNumber(self.CELLSIZE, 'Cellsize', 0, None, 10.0))
        self.addParameter(ParameterSelection(self.XYUNITS, 'XY Units', self.UNITS))
        self.addParameter(ParameterSelection(self.ZUNITS, 'Z Units', self.UNITS))
        self.addOutput(OutputFile(self.OUTPUT_DTM, 'DTM Output Surface', 'dtm'))
        spike = ParameterString(self.SPIKE, 'Spike (set blank if not used)', '', False, True)
        spike.isAdvanced = True
        self.addParameter(spike)
        median = ParameterString(self.MEDIAN, 'Median', '', False, True)
        median.isAdvanced = True
        self.addParameter(median)
        smooth = ParameterString(self.SMOOTH, 'Smooth', '', False, True)
        smooth.isAdvanced = True
        self.addParameter(smooth)
        slope = ParameterString(self.SLOPE, 'Slope', '', False, True)
        slope.isAdvanced = True
        self.addParameter(slope)
        minimum = ParameterBoolean(self.MINIMUM, 'Minimum (set blank if not used)', False)
        minimum.isAdvanced = True
        self.addParameter(minimum)
        class_var = ParameterString(self.CLASS, 'Class(es)', 2, False, True)
        class_var.isAdvanced = True
        self.addParameter(class_var)
        advance_modifiers = ParameterString(self.ADVANCED_MODIFIERS, 'Additional modifiers', '', False, True)
        advance_modifiers.isAdvanced = True
        self.addParameter(advance_modifiers)

    def processAlgorithm(self, progress):
        commands = [os.path.join(FusionUtils.FusionPath(), 'GridSurfaceCreate.exe')]
        commands.append('/verbose')
        spike = self.getParameterValue(self.SPIKE)
        if str(spike).strip():
            commands.append('/spike:' + str(spike))
        median = self.getParameterValue(self.MEDIAN)
        if str(median).strip():
            commands.append('/median:' + str(median))
        smooth = self.getParameterValue(self.SMOOTH)
        if str(smooth).strip():
            commands.append('/smooth:' + str(smooth))
        slope = self.getParameterValue(self.SLOPE)
        if str(slope).strip():
            commands.append('/slope:' + str(slope))
        minimum = self.getParameterValue(self.MINIMUM)
        if str(minimum).strip():
            commands.append('/minimum:' + str(minimum))
        class_var = self.getParameterValue(self.CLASS)
        if str(class_var).strip():
            commands.append('/class:' + str(class_var))
        advance_modifiers = str(self.getParameterValue(self.ADVANCED_MODIFIERS)).strip()
        if advance_modifiers:
            commands.append(advance_modifiers)
        commands.append(self.getOutputValue(self.OUTPUT_DTM))
        commands.append(str(self.getParameterValue(self.CELLSIZE)))
        commands.append(self.UNITS[self.getParameterValue(self.XYUNITS)][0])
        commands.append(self.UNITS[self.getParameterValue(self.ZUNITS)][0])
        commands.append('0')
        commands.append('0')
        commands.append('0')
        commands.append('0')
        files = self.getParameterValue(self.INPUT).split(';')
        if len(files) == 1:
            commands.append(self.getParameterValue(self.INPUT))
        else:
            FusionUtils.createFileList(files)
            commands.append(FusionUtils.tempFileListFilepath())
        FusionUtils.runFusion(commands, progress)
