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

"""
***************************************************************************
    EditScriptAction.py
    ---------------------
    Date                 : August 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__ = 'April 2014'
__copyright__ = '(C) 201, Victor Olaya'

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

__revision__ = '$Format:%H$'

import os

from PyQt4.QtGui import QFileDialog, QIcon, QMessageBox
from PyQt4.QtCore import QSettings, QFileInfo

from processing.script.ScriptAlgorithm import ScriptAlgorithm
from processing.gui.ToolboxAction import ToolboxAction
from processing.script.WrongScriptException import WrongScriptException
from processing.script.ScriptUtils import ScriptUtils

pluginPath = os.path.split(os.path.dirname(__file__))[0]


class AddScriptFromFileAction(ToolboxAction):

    def __init__(self):
        self.name = self.tr('Add script from file', 'AddScriptFromFileAction')
        self.group = self.tr('Tools', 'AddScriptFromFileAction')

    def getIcon(self):
        return QIcon(os.path.join(pluginPath, 'images', 'script.png'))

    def execute(self):
        settings = QSettings()
        lastDir = settings.value('Processing/lastScriptsDir', '')
        filename = QFileDialog.getOpenFileName(self.toolbox,
            self.tr('Script files', 'AddScriptFromFileAction'), lastDir,
            self.tr('Script files (*.py *.PY)', 'AddScriptFromFileAction'))
        if filename:
            try:
                settings.setValue('Processing/lastScriptsDir',
                    QFileInfo(filename).absoluteDir().absolutePath())
                script = ScriptAlgorithm(filename)
            except WrongScriptException:
                QMessageBox.warning(self.toolbox,
                    self.tr('Error reading script', 'AddScriptFromFileAction'),
                    self.tr('The selected file does not contain a valid script', 'AddScriptFromFileAction'))
                return
            destFilename = os.path.join(ScriptUtils.scriptsFolder(), os.path.basename(filename))
            with open(destFilename, 'w') as f:
                f.write(script.script)
            self.toolbox.updateProvider('script')