from kivy.config import Config
Config.set('kivy', 'keyboard_mode', 'dock')

from kivymd.app import MDApp
from kivy.lang import Builder
from kivymd.uix.screen import MDScreen
from kivy.uix.screenmanager import ScreenManager
from kivymd.uix.textfield import MDTextFieldRound
from kivy.properties import NumericProperty
from kivy.core.window import Window
from kivy.uix.scrollview import ScrollView
import re

KV = ('''
<REGITRATION_Window>:
    name:'regitration_window1'
    #RelativeLayout:

    MDToolbar:
        title: 'Registration'
        elevation: 10
        left_action_items: [['arrow-left', lambda x: app.change_screen('login_window1')]]
        pos_hint: {"left":1, "top":1}

    MDLabel:
        text: 'Full Name'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':0.35}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- xxx yyy zzz'
        pos_hint : {'x':0.0322, 'y':0.790}
        size_hint : 0.6, .045


    MDLabel:
        text: 'Country Code '
        font_size: 15
        pos_hint : {'x':0.0322, 'y':0.272}

    NumericInput:
        max_characters: 3
        int_text: 'For Eg:- +91'
        pos_hint : {'x':0.0322, 'y':0.710}
        size_hint : 0.09, .045

    MDLabel:
        text: 'Mobile Number'
        font_size: 15
        pos_hint : {'x':0.305, 'y':0.272}

    NumericInput:
        max_characters: 10
        hint_text: 'For Eg:- 987654321'
        pos_hint :{'x':0.305, 'y':0.710}
        size_hint : 0.35, .045


    MDLabel:
        text: 'Location'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':0.190}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- kalyan'
        pos_hint : {'x':0.0322, 'y':0.630}
        size_hint : 0.6, .045

    MDLabel:
        text: 'Pin Code'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':0.11}

    NumericInput:
        max_characters: 7
        hint_text: 'For Eg:- 400050'
        pos_hint : {'x':0.0322, 'y':0.550}
        size_hint : 0.6, .045

    MDLabel:
        text: 'City/Town/Village'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':0.03}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- Mumbai'
        pos_hint : {'x':0.0322, 'y':0.470}
        size_hint : 0.6, .045

    MDLabel:
        text: 'District/Taluka'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':-0.05}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- Mumbai'
        pos_hint : {'x':0.0322, 'y':0.390}
        size_hint : 0.6, .045

    MDLabel:
        text: 'State'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':-0.13}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- Maharashtra'
        pos_hint : {'x':0.0322, 'y':0.310}
        size_hint : 0.6, .045

    MDLabel:
        text: 'Country'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':-0.21}

    MainKeypad:
        max_characters: 70
        hint_text: 'For Eg:- India'
        pos_hint : {'x':0.0322, 'y':0.230}
        size_hint : 0.6, .045

    MDLabel:
        text: 'Password'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':-0.29}

    MainKeypad:
        id: field_password
        max_characters: 70
        hint_text: 'For Eg:- Chennai@123'
        pos_hint : {'x':0.0322, 'y':0.150}
        size_hint : 0.6, .045

    MDLabel:
        text: 'Confirm Password'
        font_size: 15
        pos_hint : {'x':0.0322, 'y':-0.37}

    MainKeypad:
        id: field_confirmpassword
        max_characters: 70
        hint_text: 'For Eg:- Chennai@123'
        password: True
        pos_hint : {'x':0.0322, 'y':0.070}
        size_hint : 0.6, .045

    MDLabel:
        id: is_vallid
        #text: 'Vallidation'
        font_size: 45
        pos_hint : {'x':0.67, 'y':0.38}

    MDFillRoundFlatButton:
        text:'REGISTER'
        pos_hint: {'x':.1, 'y':.1}
        on_press: app.vall()

    MDFillRoundFlatButton:
        text:'Cancel'
        pos_hint: {'x':.3, 'y':.1}

WindowManager:
    REGITRATION_Window:
        id: key_num

            ''')

class REGITRATION_Window(MDScreen):
    pass

class WindowManager(ScreenManager):
    pass

class NumericInput(MDTextFieldRound):
    max_characters = NumericProperty()

    def __init__(self, **kwargs):
        super().__init__(input_filter=self.char_limit, **kwargs)

    def on_focus(self, instance_text_field, focus_value: bool):
        if focus_value:
            num_kb = Window.request_keyboard(self.close_key, self)
            if num_kb.widget:
                num_kb.widget.layout = 'numeric.json'

    def close_key(self):
        pass

    def char_limit(self, substring, from_undo):
        if len(self.text) < self.max_characters:
            return substring


class MainKeypad(MDTextFieldRound):
    max_characters = NumericProperty()
    def __init__(self, **kwargs):
        super().__init__(input_filter=self.char_limit, **kwargs)

    def on_focus(self, instance_text_field, focus_value: str):

        if focus_value:
            kb = Window.request_keyboard(self.close_key, self)
            if kb.widget:
                kb.widget.layout = 'qwerty'

    def close_key(self):
        pass

    def char_limit(self, substring, from_undo):
        if len(self.text) < self.max_characters:
            return substring


class MainApp(MDApp):
    def build(self):
        return Builder.load_string(KV)

    def vall(self):
        main_pswd = self.root.get_screen('regitration_window1').ids.field_password.text
        confirm_pswd=self.root.get_screen('regitration_window1').ids.field_confirmpassword.text

        reg = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!#%*?&]{6,16}$"

        match_re = re.compile(reg)

        main_res = re.search(match_re, main_pswd)
        confirm_res = re.search(match_re, confirm_pswd)

        if (main_res==confirm_res):
            self.root.get_screen('regitration_window1').ids.is_vallid.text = "Error"
        else:
            self.root.get_screen('regitration_window1').ids.is_vallid.text = "Vallidation"

if __name__ == '__main__':
    MainApp().run()