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

"""
***************************************************************************
    general.py
    ---------------------
    Date                 : April 2013
    Copyright            : (C) 2013 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__ = 'April 2013'
__copyright__ = '(C) 2013, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'

from qgis.core import *
from processing.core.Processing import Processing
from processing.parameters.ParameterSelection import ParameterSelection
from processing.gui.Postprocessing import Postprocessing

def alglist(text=None):
    s=""
    for provider in Processing.algs.values():
        sortedlist = sorted(provider.values(), key= lambda alg: alg.name)
        for alg in sortedlist:
            if text == None or text.lower() in alg.name.lower():
                s+=(alg.name.ljust(50, "-") + "--->" + alg.commandLineName() + "\n")
    print s

def algoptions(name):
    alg = Processing.getAlgorithm(name)
    if alg != None:
        s =""
        for param in alg.parameters:
            if isinstance(param, ParameterSelection):
                s+=param.name + "(" + param.description + ")\n"
                i=0
                for option in param.options:
                    s+= "\t" + str(i) + " - " + str(option) + "\n"
                    i+=1
        print(s)
    else:
        print "Algorithm not found"

def alghelp(name):
    alg = Processing.getAlgorithm(name)
    if alg != None:
        print(str(alg))
        algoptions(name)
    else:
        print "Algorithm not found"

def runalg(algOrName, *args):
    alg = Processing.runAlgorithm(algOrName, None, *args)
    if alg is not None:
        return alg.getOutputValuesAsDictionary()

def runandload(name, *args):
    return Processing.runAlgorithm(name, Postprocessing.handleAlgorithmResults, *args)