from kivy.app import App
from kivy.uix.button import ButtonBehavior
from kivy.uix.image import Image
from kivy.uix.gridlayout import GridLayout
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.scrollview import ScrollView
from kivy.uix.label import Label
from kivy.config import Config
from kivy.graphics import Color, Rectangle
from kivy.uix.widget import Widget
from kivy.lang import Builder
from kivy.properties import ObjectProperty
import kivy.utils

Config.set('graphics', 'resizable', '0')
Config.set('graphics', 'width', '540')
Config.set('graphics', 'height', '940')
Config.set('graphics', 'right', 1)
Config.set('graphics', 'top', 1)

Builder.load_file("coinbar.kv")


class ImageButton(ButtonBehavior,Image):
    def __init__(self, instance="", is_selected="",**kwargs):
# ---------- Attributes of the ImageButtons, sets the source for the image ----------
        self.am_i_selected = ""
        self.instance = instance
        unselected = "cents/Unselected/"
        selected = "cents/Selected/"
        png = ".png"
        if is_selected == "yes":
            source = selected + instance + png
            self.am_i_selected = "yes"
        else:
            source = unselected + instance + png
            self.am_i_selected = "no"
# ---------- passes the source to the Image super class ----------
        super(ImageButton, self).__init__(**kwargs)
        super(ImageButton, self).__init__(source=source)

# ---------- on_press behavior of the coins ----------
    def select_coin(self):
        selected = self.parent.coinbar_selected
        Noteskeeper = self.parent.children[0]
        TwoCentsPreview = self.parent.children[1]
        TwoCents = self.parent.children[2]
        MyCents = self.parent.children[3]
        if self.am_i_selected == "no":
            Noteskeeper.source = "cents/unselected/" + selected + ".png"
            self.am_i_selected = "yes"
            self.source = "cents/selected/" + self.instance + ".png"
            self.parent.coinbar_selected = self.instance

            return
        if self.am_i_selected == "yes":
            self.am_i_selected = "no"
            self.source = "cents/unselected/" + self.instance + ".png"

class CoinBar(GridLayout):
# ---------- CoinBar ----------
    def __init__(self,**kwargs):
        super(CoinBar, self).__init__(**kwargs)
# ---------- NotesKeeper Coin ----------
        self.coinbar_selected = "NotesKeeper"
# ---------- TwoCentsPreview Coin ----------
        TwoCentsPreview = ImageButton(instance="TwoCentsPreview", is_selected="no")
        TwoCentsPreview.pos_hint = {"top": 1, "right": .5}
        TwoCentsPreview.on_press = TwoCentsPreview.select_coin

# ---------- TwoCents Coin ----------
        TwoCents = ImageButton(instance="TwoCents", is_selected="no")
        TwoCents.pos_hint = {"top": 1, "right": .75}
        TwoCents.on_press = TwoCents.select_coin

# ---------- MyCents Coin ----------
        MyCents = ImageButton(instance="MyCents", is_selected="no")
        MyCents.pos_hint = {"top": 1, "right": 1}
        MyCents.id = "MyCents"
        MyCents.on_press = MyCents.select_coin
        print(self.ids)
# ---------- Setting the CoinBar Background color to white ----------
        with self.canvas.before:
            Color(rgb=(kivy.utils.get_color_from_hex("ffffff")))
            self.rect = Rectangle(size=self.size, pos=self.pos)
        self.bind(pos=self.update_bind_background, size=self.update_bind_background)
    def update_bind_background(self, *args):
        self.rect.pos = self.pos
        self.rect.size = self.size

    #def build(self):
    #    return coinbar_kv


class CatBar(GridLayout):
    def __init__(self,**kwargs):
        self.rows = 1
        Cats = ["Reminder", "Idea", "Funny", "well written"]
        super(CatBar, self).__init__(**kwargs)
        for number, cat in enumerate(Cats):
            number = ImageButton("Cat","no")
            self.add_widget(number)

class Previews(ScrollView):
    def __init__(self,**kwargs):
        super(Previews, self).__init__(**kwargs)
# ---------- Middle Grid ----------
        noteskeeper_previews = NotesKeeperPreview()
        noteskeeper_previews.cols = 1
        x = ImageButton()
        x.source = "cents/NotesKeeper.png"
        noteskeeper_previews.add_widget(x)

# ----------- creation of the Previews ----------
        self.twocent_previews = GridLayout()
        self.twocent_previews.cols = 1


        self.add_widget(noteskeeper_previews)

class NotesKeeperPreview(GridLayout):
    def __init__(self, **kwargs):
        super().__init__()
        with self.canvas.before:
            Color(rgb=(kivy.utils.get_color_from_hex("ffffff")))
            self.rect = Rectangle(size=self.size, pos=self.pos)
        self.bind(pos=self.update_bind_background, size=self.update_bind_background)

    def update_bind_background(self, *args):
        self.rect.pos = self.pos
        self.rect.size = self.size

class ButtonBar(GridLayout):
    def __init__(self, **kwargs):
        super(ButtonBar, self).__init__(**kwargs)
        self.rows = 1
# ---------- sets background of the Button Bar to white ----------
        with self.canvas.before:
            Color(rgb=(kivy.utils.get_color_from_hex("ffffff")))
            self.rect = Rectangle(size=self.size, pos=self.pos)
        self.bind(pos=self.update_bind_background, size=self.update_bind_background)
        self.b1 = Label()
        self.b2 = Label()
        self.b3 = Label()
        self.b4 = Label()

        self.add_cat = ImageButton(instance="add_cat", is_selected="no")
        self.add_cat.on_press = self.show_options
        self.save_thought = ImageButton(instance="save_thought", is_selected="no")

        self.b3 = self.add_cat
        self.b4 = self.save_thought
        self.add_buttons()
# ---------- adds b1,b2,b3,b4 to the ButtonBar GridLayout ----------
    def add_buttons(self):
        self.add_widget(self.b1)
        self.add_widget(self.b2)
        self.add_widget(self.b3)
        self.add_widget(self.b4)

# ---------- test function to see what i can access ----------
    def show_options(self):
        print(self.parent.ids.coin_bar.ids)


# ---------- future function to add a cat to the category bar ----------
    def plus_cat(self, test):
        print("This adds a cat")

# ---------- future function to add a thought to the previews ----------
    def plus_thought(self):
        print("this saves a thought")

# ---------- binds the background size and position of the background rectangle to the button bar size/pos ----------
    def update_bind_background(self, *args):
        self.rect.pos = self.pos
        self.rect.size = self.size

class MainScreen(GridLayout):
# ---------- Root of the main.kv grid. Has the coin_bar, cat_bar, previews and button_bar as children  ----------
    def __init__(self,**kwargs):
        super(MainScreen, self).__init__(**kwargs)


class MainApp(App):
    def __init__(self,**kwargs):
        super(MainApp, self).__init__(**kwargs)

    def build(self):
        return MainScreen()


MainApp().run()