# =========================================================================
#
#          FILE: openProject.py
#
#         USAGE: ---
#
#   DESCRIPTION: It is called whenever new project is being called.
#
#       OPTIONS: ---
#  REQUIREMENTS: ---
#          BUGS: ---
#         NOTES: ---
#        AUTHOR: Fahim Khan, fahim.elex@gmail.com
#  ORGANIZATION: eSim team at FOSSEE, IIT Bombay.
#       CREATED: Wednesday 12 February 2015
#      REVISION:  ---
# =========================================================================

from PyQt4 import QtGui
from .Validation import Validation
from configuration.Appconfig import Appconfig
import os
import json


class OpenProjectInfo(QtGui.QWidget):
    """
    This class is called when User click on Open Project Button
    """
    def __init__(self):
        super(OpenProjectInfo, self).__init__()
        self.obj_validation = Validation()


    def body(self):
        """
        Open a project directory using Qt GUI and validate
        if .proj file present in it using `Validation` class

        @params

        @return
            :dirs        => The directories inside the project folder
            :filelist    => The files inside the project folder
        """
        self.obj_Appconfig = Appconfig()
        self.openDir = self.obj_Appconfig.default_workspace["workspace"]
        self.projDir = QtGui.QFileDialog.getExistingDirectory(
            self, "open", self.openDir)

        if self.obj_validation.validateOpenproj(self.projDir):
            self.obj_Appconfig.current_project['ProjectName'] = str(
                self.projDir)
            if os.path.isdir(self.projDir):
                print("true")

            for dirs, subdirs, filelist in os.walk(
                    self.obj_Appconfig.current_project["ProjectName"]):
                # directory = dirs
                # files = filelist
                # above 'directory' and 'files' variable never used
                pass
            self.obj_Appconfig.project_explorer[dirs] = filelist
            json.dump(
                self.obj_Appconfig.project_explorer, open(
                    self.obj_Appconfig.dictPath, 'w'))
            self.obj_Appconfig.print_info('Open Project called')
            self.obj_Appconfig.print_info('Current Project is ' + self.projDir)
            return dirs, filelist

        else:
            self.obj_Appconfig.print_error(
                "The project doesn't contain .proj file. Please select the"
                + "proper directory else you won't be able to perform any"
                + "operation")
            reply = QtGui.QMessageBox.critical(None, "Error Message",
                                               '''<b>Error: The project doesn't contain .proj file.</b><br/>
                <b>Please select the proper project directory else you won't
                be able to perform any operation</b>''',
                                               QtGui.QMessageBox.Ok |
                                               QtGui.QMessageBox.Cancel)

            if reply == QtGui.QMessageBox.Ok:
                self.body()
                self.obj_Appconfig.print_info('Open Project called')
                self.obj_Appconfig.print_info(
                    'Current Project is ' + self.projDir)
            elif reply == QtGui.QMessageBox.Cancel:
                self.obj_Appconfig.print_info('No Project opened')
            else:
                pass