# -*- 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.                                   *
*                                                                         *
***************************************************************************
"""
from __future__ import print_function
from future import standard_library
standard_library.install_aliases()
from builtins import str

__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__ = '$Format:%H$'

import os
try:
    import configparser
except ImportError:
    import configparser as configparser

from processing.core.Processing import Processing
from processing.core.alglist import algList
from processing.core.parameters import ParameterSelection
from processing.gui.Postprocessing import handleAlgorithmResults


def alglist(text=None):
    s = ''
    for provider in list(algList.algs.values()):
        sortedlist = sorted(list(provider.values()), key=lambda alg: alg.name)
        for alg in sortedlist:
            if text is 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 is not 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 is not None:
        alg = alg.getCopy()
        print(str(alg))
        algoptions(name)
    else:
        print('Algorithm not found')


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


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


def version():
    pluginPath = os.path.split(os.path.dirname(__file__))[0]
    cfg = configparser.SafeConfigParser()
    cfg.read(os.path.join(pluginPath, 'metadata.txt'))
    ver = cfg.get('general', 'version').split('.')
    return 10000 * int(ver[0]) + 100 * int(ver[1]) + int(ver[2])