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


# This class is called when user creates new Project
class convertSub(QtGui.QWidget):
    """
    Contains functions that checks project present for conversion and
    also function to convert Kicad Netlist to Ngspice Netlist.
    """

    def __init__(self, dockarea):
        super(convertSub, self).__init__()
        self.obj_validation = Validation()
        self.obj_appconfig = Appconfig()
        self.obj_dockarea = dockarea

    def createSub(self):
        """
        This function create command to call KiCad to Ngspice converter.
            If the netlist is not generated for selected project it will show
            error **The subcircuit does not contain any Kicad netlist file for
            conversion.**
            And if no project is selected for conversion, it again show error
            message to select a file or create a file.

        """
        print("Openinig Kicad-to-Ngspice converter from Subcircuit Module")
        self.projDir = self.obj_appconfig.current_subcircuit["SubcircuitName"]
        # Validating if current project is available or not
        if self.obj_validation.validateKicad(self.projDir):
            # Checking if project has .cir file or not
            if self.obj_validation.validateCir(self.projDir):
                self.projName = os.path.basename(self.projDir)
                self.project = os.path.join(self.projDir, self.projName)

                var1 = self.project + ".cir"
                var2 = "sub"
                self.obj_dockarea.kicadToNgspiceEditor(var1, var2)
            else:
                self.msg = QtGui.QErrorMessage(None)
                self.msg.showMessage(
                    'The subcircuit does not contain any Kicad netlist file' +
                    ' for conversion.'
                )
                self.msg.setWindowTitle("Error Message")
        else:
            self.msg = QtGui.QErrorMessage(None)
            self.msg.showMessage(
                'Please select the subcircuit first. You can either create ' +
                'new subcircuit or open existing subcircuit'
            )
            self.msg.setWindowTitle("Error Message")