# pylint: disable=too-many-public-methods, unused-variable, too-many-ancestors
# pylint: disable=no-name-in-module, too-few-public-methods, unused-argument
# pylint: disable=attribute-defined-outside-init, too-many-instance-attributes

"""
Bitmessage android(mobile) interface
"""

import os
import logging
import sys
from functools import partial
from PIL import Image as PilImage

from kivy.clock import Clock
from kivy.lang import Builder
from kivy.core.window import Window
from kivy.uix.boxlayout import BoxLayout

from kivymd.app import MDApp
from kivymd.uix.label import MDLabel
from kivymd.uix.dialog import MDDialog
from kivymd.uix.list import (
    IRightBodyTouch
)
from kivymd.uix.button import MDRaisedButton
from kivymd.uix.bottomsheet import MDCustomBottomSheet
from kivymd.uix.filemanager import MDFileManager

from pybitmessage.bitmessagekivy.kivy_state import KivyStateVariables
from pybitmessage.bitmessagekivy.base_navigation import (
    BaseLanguage, BaseNavigationItem, BaseNavigationDrawerDivider,
    BaseNavigationDrawerSubheader, BaseContentNavigationDrawer,
    BaseIdentitySpinner
)
from pybitmessage.bmconfigparser import config  # noqa: F401
from pybitmessage.bitmessagekivy import identiconGeneration
from pybitmessage.bitmessagekivy.get_platform import platform
from pybitmessage.bitmessagekivy.baseclass.common import toast, load_image_path, get_identity_list
from pybitmessage.bitmessagekivy.load_kivy_screens_data import load_screen_json

from pybitmessage.bitmessagekivy.baseclass.popup import AddAddressPopup, AddressChangingLoader
from pybitmessage.bitmessagekivy.baseclass.login import *  # noqa: F401, F403
from pybitmessage.bitmessagekivy.uikivysignaler import UIkivySignaler

from pybitmessage.mock.helper_startup import loadConfig

logger = logging.getLogger('default')


class Lang(BaseLanguage):
    """UI Language"""


class NavigationItem(BaseNavigationItem):
    """NavigationItem class for kivy Ui"""


class NavigationDrawerDivider(BaseNavigationDrawerDivider):
    """
    A small full-width divider that can be placed
    in the :class:`MDNavigationDrawer`
    """


class NavigationDrawerSubheader(BaseNavigationDrawerSubheader):
    """
    A subheader for separating content in :class:`MDNavigationDrawer`

    Works well alongside :class:`NavigationDrawerDivider`
    """


class ContentNavigationDrawer(BaseContentNavigationDrawer):
    """ContentNavigationDrawer class for kivy Uir"""


class BadgeText(IRightBodyTouch, MDLabel):
    """BadgeText class for kivy Ui"""


class IdentitySpinner(BaseIdentitySpinner):
    """Identity Dropdown in Side Navigation bar"""


class NavigateApp(MDApp):
    """Navigation Layout of class"""

    kivy_state = KivyStateVariables()
    title = "PyBitmessage"
    identity_list = get_identity_list()
    image_path = load_image_path()
    app_platform = platform
    tr = Lang("en")  # for changing in franch replace en with fr

    def __init__(self):
        super(NavigateApp, self).__init__()
        # workaround for relative imports
        sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..'))
        self.data_screens, self.all_data, self.data_screen_dict, response = load_screen_json()
        self.kivy_state_obj = KivyStateVariables()
        self.image_dir = load_image_path()
        self.kivy_state_obj.screen_density = Window.size
        self.window_size = self.kivy_state_obj.screen_density

    def build(self):
        """Method builds the widget"""
        for kv in self.data_screens:
            Builder.load_file(
                os.path.join(
                    os.path.dirname(__file__),
                    'kv',
                    '{0}.kv'.format(self.all_data[kv]["kv_string"]),
                )
            )
        return Builder.load_file(os.path.join(os.path.dirname(__file__), 'main.kv'))

    def set_screen(self, screen_name):
        """Set the screen name when navigate to other screens"""
        self.root.ids.scr_mngr.current = screen_name

    def run(self):
        """Running the widgets"""
        loadConfig()
        kivysignalthread = UIkivySignaler()
        kivysignalthread.daemon = True
        kivysignalthread.start()
        self.kivy_state_obj.kivyui_ready.set()
        super(NavigateApp, self).run()

    def addingtoaddressbook(self):
        """Dialog for saving address"""
        width = .85 if platform == 'android' else .8
        self.add_popup = MDDialog(
            title='Add contact',
            type="custom",
            size_hint=(width, .23),
            content_cls=AddAddressPopup(),
            buttons=[
                MDRaisedButton(
                    text="Save",
                    on_release=self.savecontact,
                ),
                MDRaisedButton(
                    text="Cancel",
                    on_release=self.close_pop,
                ),
                MDRaisedButton(
                    text="Scan QR code",
                    on_release=self.scan_qr_code,
                ),
            ],
        )
        self.add_popup.auto_dismiss = False
        self.add_popup.open()

    def scan_qr_code(self, instance):
        """this method is used for showing QR code scanner"""
        if self.is_camara_attached():
            self.add_popup.dismiss()
            self.root.ids.id_scanscreen.get_screen(self.root.ids.scr_mngr.current, self.add_popup)
            self.root.ids.scr_mngr.current = 'scanscreen'
        else:
            alert_text = (
                'Currently this feature is not avaialbe!' if platform == 'android' else 'Camera is not available!')
            self.add_popup.dismiss()
            toast(alert_text)

    def is_camara_attached(self):
        """This method is for checking the camera is available or not"""
        self.root.ids.id_scanscreen.check_camera()
        is_available = self.root.ids.id_scanscreen.camera_available
        return is_available

    def savecontact(self, instance):
        """Method is used for saving contacts"""
        popup_obj = self.add_popup.content_cls
        label = popup_obj.ids.label.text.strip()
        address = popup_obj.ids.address.text.strip()
        popup_obj.ids.label.focus = not label
        # default focus on address field
        popup_obj.ids.address.focus = label or not address

    def close_pop(self, instance):
        """Close the popup"""
        self.add_popup.dismiss()
        toast('Canceled')

    def loadMyAddressScreen(self, action):
        """loadMyAddressScreen method spin the loader"""
        if len(self.root.ids.id_myaddress.children) <= 2:
            self.root.ids.id_myaddress.children[0].active = action
        else:
            self.root.ids.id_myaddress.children[1].active = action

    def load_screen(self, instance):
        """This method is used for loading screen on every click"""
        if instance.text == 'Inbox':
            self.root.ids.scr_mngr.current = 'inbox'
            self.root.ids.id_inbox.children[1].active = True
        elif instance.text == 'Trash':
            self.root.ids.scr_mngr.current = 'trash'
            try:
                self.root.ids.id_trash.children[1].active = True
            except Exception as e:
                self.root.ids.id_trash.children[0].children[1].active = True
        Clock.schedule_once(partial(self.load_screen_callback, instance), 1)

    def load_screen_callback(self, instance, dt=0):
        """This method is rotating loader for few seconds"""
        if instance.text == 'Inbox':
            self.root.ids.id_inbox.ids.ml.clear_widgets()
            self.root.ids.id_inbox.loadMessagelist(self.kivy_state_obj.selected_address)
            self.root.ids.id_inbox.children[1].active = False
        elif instance.text == 'Trash':
            self.root.ids.id_trash.clear_widgets()
            self.root.ids.id_trash.add_widget(self.data_screen_dict['Trash'].Trash())
            try:
                self.root.ids.id_trash.children[1].active = False
            except Exception as e:
                self.root.ids.id_trash.children[0].children[1].active = False

    @staticmethod
    def get_enabled_addresses():
        """Getting list of all the enabled addresses"""
        addresses = [addr for addr in config.addresses()
                     if config.getboolean(str(addr), 'enabled')]
        return addresses

    @staticmethod
    def format_address(address):
        """Formatting address"""
        return " ({0})".format(address)

    @staticmethod
    def format_label(label):
        """Formatting label"""
        if label:
            f_name = label.split()
            truncate_string = '...'
            f_name_max_length = 15
            formatted_label = f_name[0][:14].capitalize() + truncate_string if len(
                f_name[0]) > f_name_max_length else f_name[0].capitalize()
            return formatted_label
        return ''

    @staticmethod
    def format_address_and_label(address=None):
        """Getting formatted address information"""
        if not address:
            try:
                address = NavigateApp.get_enabled_addresses()[0]
            except IndexError:
                return ''
        return "{0}{1}".format(
            NavigateApp.format_label(config.get(address, "label")),
            NavigateApp.format_address(address)
        )

    def getDefaultAccData(self, instance):
        """Getting Default Account Data"""
        if self.identity_list:
            self.kivy_state_obj.selected_address = first_addr = self.identity_list[0]
            return first_addr
        return 'Select Address'

    def getCurrentAccountData(self, text):
        """Get Current Address Account Data"""
        if text != '':
            if os.path.exists(os.path.join(
                    self.image_dir, 'default_identicon', '{}.png'.format(text))
            ):
                self.load_selected_Image(text)
            else:
                self.set_identicon(text)
                self.root.ids.content_drawer.ids.reset_image.opacity = 0
                self.root.ids.content_drawer.ids.reset_image.disabled = True
            address_label = self.format_address_and_label(text)
            self.root_window.children[1].ids.toolbar.title = address_label
            self.kivy_state_obj.selected_address = text
            AddressChangingLoader().open()
            for nav_obj in self.root.ids.content_drawer.children[
                    0].children[0].children[0].children:
                nav_obj.active = True if nav_obj.text == 'Inbox' else False
            self.fileManagerSetting()
            Clock.schedule_once(self.setCurrentAccountData, 0.5)

    def setCurrentAccountData(self, dt=0):
        """This method set the current accout data on all the screens"""
        self.root.ids.id_inbox.ids.ml.clear_widgets()
        self.root.ids.id_inbox.loadMessagelist(self.kivy_state_obj.selected_address)

        self.root.ids.id_sent.ids.ml.clear_widgets()
        self.root.ids.id_sent.children[2].children[2].ids.search_field.text = ''
        self.root.ids.id_sent.loadSent(self.kivy_state_obj.selected_address)

    def fileManagerSetting(self):
        """This method is for file manager setting"""
        if not self.root.ids.content_drawer.ids.file_manager.opacity and \
                self.root.ids.content_drawer.ids.file_manager.disabled:
            self.root.ids.content_drawer.ids.file_manager.opacity = 1
            self.root.ids.content_drawer.ids.file_manager.disabled = False

    def set_identicon(self, text):
        """Show identicon in address spinner"""
        img = identiconGeneration.generate(text)
        self.root.ids.content_drawer.ids.top_box.children[0].texture = (img.texture)

    # pylint: disable=import-outside-toplevel
    def file_manager_open(self):
        """This method open the file manager of local system"""
        if not self.kivy_state_obj.file_manager:
            self.file_manager = MDFileManager(
                exit_manager=self.exit_manager,
                select_path=self.select_path,
                ext=['.png', '.jpg']
            )
        self.file_manager.previous = False
        self.file_manager.current_path = '/'
        if platform == 'android':
            # pylint: disable=import-error
            from android.permissions import request_permissions, Permission, check_permission
            if check_permission(Permission.WRITE_EXTERNAL_STORAGE) and \
                    check_permission(Permission.READ_EXTERNAL_STORAGE):
                self.file_manager.show(os.getenv('EXTERNAL_STORAGE'))
                self.kivy_state_obj.manager_open = True
            else:
                request_permissions([Permission.WRITE_EXTERNAL_STORAGE, Permission.READ_EXTERNAL_STORAGE])
        else:
            self.file_manager.show(os.environ["HOME"])
            self.kivy_state_obj.manager_open = True

    def select_path(self, path):
        """This method is used to set the select image"""
        try:
            newImg = PilImage.open(path).resize((300, 300))
            if platform == 'android':
                android_path = os.path.join(
                    os.path.join(os.environ['ANDROID_PRIVATE'], 'app', 'images', 'kivy')
                )
                if not os.path.exists(os.path.join(android_path, 'default_identicon')):
                    os.makedirs(os.path.join(android_path, 'default_identicon'))
                newImg.save(os.path.join(android_path, 'default_identicon', '{}.png'.format(
                    self.kivy_state_obj.selected_address))
                )
            else:
                if not os.path.exists(os.path.join(self.image_dir, 'default_identicon')):
                    os.makedirs(os.path.join(self.image_dir, 'default_identicon'))
                newImg.save(os.path.join(self.image_dir, 'default_identicon', '{0}.png'.format(
                    self.kivy_state_obj.selected_address))
                )
            self.load_selected_Image(self.kivy_state_obj.selected_address)
            toast('Image changed')
        except Exception:
            toast('Exit')
        self.exit_manager()

    def exit_manager(self, *args):
        """Called when the user reaches the root of the directory tree."""
        self.kivy_state_obj.manager_open = False
        self.file_manager.close()

    def load_selected_Image(self, curerentAddr):
        """This method load the selected image on screen"""
        top_box_obj = self.root.ids.content_drawer.ids.top_box.children[0]
        top_box_obj.source = os.path.join(self.image_dir, 'default_identicon', '{0}.png'.format(curerentAddr))
        self.root.ids.content_drawer.ids.reset_image.opacity = 1
        self.root.ids.content_drawer.ids.reset_image.disabled = False
        top_box_obj.reload()

    def rest_default_avatar_img(self):
        """set default avatar generated image"""
        self.set_identicon(self.kivy_state_obj.selected_address)
        img_path = os.path.join(
            self.image_dir, 'default_identicon', '{}.png'.format(self.kivy_state_obj.selected_address)
        )
        try:
            if os.path.exists(img_path):
                os.remove(img_path)
                self.root.ids.content_drawer.ids.reset_image.opacity = 0
                self.root.ids.content_drawer.ids.reset_image.disabled = True
        except Exception as e:
            pass
        toast('Avatar reset')

    def get_default_logo(self, instance):
        """Getting default logo image"""
        if self.identity_list:
            first_addr = self.identity_list[0]
            if config.getboolean(str(first_addr), 'enabled'):
                if os.path.exists(
                    os.path.join(
                        self.image_dir, 'default_identicon', '{}.png'.format(first_addr)
                    )
                ):
                    return os.path.join(
                        self.image_dir, 'default_identicon', '{}.png'.format(first_addr)
                    )
                else:
                    img = identiconGeneration.generate(first_addr)
                    instance.texture = img.texture
                    return
        return os.path.join(self.image_dir, 'drawer_logo1.png')

    @staticmethod
    def have_any_address():
        """Checking existance of any address"""
        if config.addresses():
            return True
        return False

    def reset_login_screen(self):
        """This method is used for clearing the widgets of random screen"""
        if self.root.ids.id_newidentity.ids.add_random_bx.children:
            self.root.ids.id_newidentity.ids.add_random_bx.clear_widgets()

    def set_common_header(self):
        """Common header for all the Screens"""
        self.root.ids.toolbar.right_action_items = [
            ['account-plus', lambda x: self.addingtoaddressbook()]]
        self.root.ids.toolbar.left_action_items = [
            ['menu', lambda x: self.root.ids.nav_drawer.set_state("toggle")]]
        return

    def open_payment_layout(self, sku):
        """It basically open up a payment layout for kivy UI"""
        pml = PaymentMethodLayout()
        self.product_id = sku
        self.custom_sheet = MDCustomBottomSheet(screen=pml)
        self.custom_sheet.open()

    def initiate_purchase(self, method_name):
        """initiate_purchase module"""
        logger.debug("Purchasing %s through %s", self.product_id, method_name)


class PaymentMethodLayout(BoxLayout):
    """PaymentMethodLayout class for kivy Ui"""


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