from PyQt5 import QtWidgets
from . import TrackWidget
from xml.etree import ElementTree as ET
import os


class Model(QtWidgets.QWidget):
    """
    - This class creates Model Tab of KicadtoNgspice window.
      The widgets are created dynamically in the Model Tab.
    """

    def __init__(self, schematicInfo, modelList, clarg1):

        QtWidgets.QWidget.__init__(self)

        # Processing for getting previous values
        kicadFile = clarg1
        (projpath, filename) = os.path.split(kicadFile)
        project_name = os.path.basename(projpath)
        check = 1
        try:
            f = open(
                os.path.join(
                    projpath,
                    project_name +
                    "_Previous_Values.xml"),
                'r')
            tree = ET.parse(f)
            parent_root = tree.getroot()
            for child in parent_root:
                if child.tag == "model":
                    root = child

        except BaseException:
            check = 0
            print("Model Previous Values XML is Empty")

        # Creating track widget object
        self.obj_trac = TrackWidget.TrackWidget()

        # for increasing row and counting/tracking line edit widget
        self.nextrow = 0
        self.nextcount = 0

        # for storing line edit details position details
        self.start = 0
        self.end = 0

        # Creating GUI dynamically for Model tab
        self.grid = QtWidgets.QGridLayout()
        self.setLayout(self.grid)

        for line in modelList:
            # print "ModelList Item:",line
            # Adding title label for model
            # Key: Tag name,Value:Entry widget number
            tag_dict = {}
            modelbox = QtWidgets.QGroupBox()
            modelgrid = QtWidgets.QGridLayout()
            modelbox.setTitle(line[5])
            self.start = self.nextcount
            # line[7] is parameter dictionary holding parameter tags.
            i = 0
            for key, value in line[7].items():
                # Check if value is iterable
                if not isinstance(value, str) and hasattr(value, '__iter__'):
                    # For tag having vector value
                    temp_tag = []
                    for item in value:
                        paramLabel = QtWidgets.QLabel(item)
                        modelgrid.addWidget(paramLabel, self.nextrow, 0)
                        self.obj_trac.model_entry_var[self.nextcount] = (
                            QtWidgets.QLineEdit()
                        )
                        modelgrid.addWidget(
                            self.obj_trac.model_entry_var
                            [self.nextcount], self.nextrow, 1)

                        try:
                            for child in root:
                                if child.text == line[2] \
                                        and child.tag == line[3]:
                                    self.obj_trac.model_entry_var
                                    [self.nextcount].setText(child[i].text)
                                    i = i + 1
                        except BaseException:
                            pass

                        temp_tag.append(self.nextcount)
                        self.nextcount = self.nextcount + 1
                        self.nextrow = self.nextrow + 1
                    tag_dict[key] = temp_tag

                else:
                    paramLabel = QtWidgets.QLabel(value)
                    modelgrid.addWidget(paramLabel, self.nextrow, 0)
                    self.obj_trac.model_entry_var[self.nextcount] = (
                        QtWidgets.QLineEdit()
                    )
                    modelgrid.addWidget(
                        self.obj_trac.model_entry_var[self.nextcount],
                        self.nextrow, 1
                    )

                    try:
                        for child in root:
                            if child.text == line[2] and child.tag == line[3]:
                                self.obj_trac.model_entry_var[self.nextcount] \
                                                .setText(child[i].text)
                                i = i + 1
                    except BaseException:
                        pass
                    tag_dict[key] = self.nextcount
                    self.nextcount = self.nextcount + 1
                    self.nextrow = self.nextrow + 1

            self.end = self.nextcount - 1
            modelbox.setLayout(modelgrid)

            # CSS
            modelbox.setStyleSheet(" \
            QGroupBox { border: 1px solid gray; border-radius: \
            9px; margin-top: 0.5em; } \
            QGroupBox::title { subcontrol-origin: margin; left:\
             10px; padding: 0 3px 0 3px; } \
            ")

            self.grid.addWidget(modelbox)

            '''
            Listing all
            line[0] = index
            line[1] = compLine
            line[2] = modelname  #Change from compType to modelname
            line[3] = compName
            line[4] = comment
            line[5] = title
            line[6] = type i.e analog or digital
            Now adding start,end and tag_dict which will be line[7],
            line[8] and line[9] respectively
            '''

            # This keeps the track of Model Tab Widget
            lst = [
                line[0],
                line[1],
                line[2],
                line[3],
                line[4],
                line[5],
                line[6],
                self.start,
                self.end,
                tag_dict]
            check = 0
            for itr in self.obj_trac.modelTrack:
                if itr == lst:
                    check = 1

            if check == 0:
                self.obj_trac.modelTrack.append(lst)

        self.show()