########################################################################################################################
#    File: forms.py
# Purpose:
#  Author: Dan Huckson, https://github.com/unodan
########################################################################################################################

from tkinter import Frame, Label, LabelFrame, Entry, Button, messagebox
from importlib import import_module


class Form(Frame):
    def __init__(self, parent, table, widgets, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        self.__table = table
        self.__groups = {}
        self.__parent = parent

        self.populate(widgets)

        self.grid(sticky='NSEW')

    def add_items(self, item, **kwargs):
        if item[0] in self.__groups:
            return

        bd = kwargs.pop('bd', self.cget('bd'))
        bg = kwargs.pop('bg', self.cget('bg'))

        if isinstance(item[3], tuple):
            if item[2] == 'Frame':
                self.__groups[item[0]] = FormFrame(self, item)
            elif item[2] == 'LabelFrame':
                self.__groups[item[0]] = FormLabelFrame(self, item)
        else:
            print(121133)
            print('>>', item)
            #f = FormField(self, item)

    def populate(self, widgets):
        if widgets:
            for widget in widgets:
                self.add_items(widget)

    def group(self, key):
        if key in self.__groups:
            return self.__groups[key]

        return None

    def groups(self):
        return self.__groups


class FormFrame(Frame):
    def __init__(self, parent, widgets, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        print('>', widgets)


class FormLabelFrame(LabelFrame):
    def __init__(self, parent, widgets, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        self.__fields = {}
        self.config(text=widgets[1])

        for item in widgets[3]:
            if isinstance(item[3], tuple):
                print('FRAME', item)
                f = FormLabelFrame(self, item)
            else:
                module = import_module('tkforms')
                widget_class = getattr(module, item[2] + 'Field')

                self.__fields[item[0]] = widget_class(self, item)
                self.__fields[item[0]].grid()

        self.grid(row=widgets[4], column=widgets[5], sticky='NW')

    def fields(self):
        return self.__fields


class EntryField(Frame):
    def __init__(self, parent, field, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        if field[2] == 'entry':
            Label(self, text=field[1]).grid(sticky='NE')
            e = Entry(self)
            e.grid(row=0, column=1, sticky='NE')


class ButtonField(Frame):
    def __init__(self, parent, field, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        if field[2] == 'button':
            b = Button(self, text=field[1], command=field[3])
            b.grid(row=0, column=1, sticky='NE')