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from kivymd.uix.screen import MDScreen
from kivymd.uix.button import MDFillRoundFlatButton
from kivymd.uix.toolbar import MDToolbar
import pprint
from kivy.metrics import dp
from kivymd.app import MDApp
from kivymd.uix.datatables import MDDataTable


class App(MDApp):
    def __init__(self):  # **kwargs
        super().__init__()  # **kwargs
        self.btn_hide = False
        self.row_object, self.delete_text, self.delete_object = str, str, int
        self.screen, self.table = None, None

        self.btn_delete = MDFillRoundFlatButton(
            # text="Löschen",
            pos_hint={'center_x': 0.2, 'center_y': 0.15},
            size_hint=(0.2, 0.1),
            font_size=20,
            opacity=0,
            on_press=self.delete)

        self.btn_transfer = MDFillRoundFlatButton(
            text="Übertragen",
            pos_hint={'center_x': 0.8, 'center_y': 0.15},
            size_hint=(0.2, 0.1),
            font_size=20,
            opacity=1,
            on_press=self.transfer)

        self.tbl_list = [
                ["1", "10.07.2022", "John", "Elder", "john@codemy.com", "(123) 456-7891"],
                ["2", "11.07.2022", "Mary", "Elder", "mary@codemy.com", "(123) 456-7892"],
                ["3", "12.07.2022", "Rose", "Elder", "rose@codemy.com", "(123) 456-7893"],
                ["4", "13.07.2022", "Jane", "Adams", "jane@codemy.com", "(123) 456-7894"],
                ["5", "14.07.2022", "Marc", "Elder", "marc@codemy.com", "(123) 456-7895"],
                ["6", "15.07.2022", "Petty", "Elder", "petty@codemy.com", "(123) 456-789"],
                ["7", "17.07.2022", "Tim", "Elder", "tim@codemy.com", "(123) 456-7898"],
                ["8", "18.07.2022", "Carrol", "Elder", "carrol@codemy.com", "(123) 456-7899"],
                ["9", "19.07.2022", "Carrol", "Elder", "carrol@codemy.com", "(123) 456-7899"],
                ["10", "20.07.2022", "Anne", "Elder", "anne@codemy.com", "(123) 456-7900"]
                ]

    def build(self):
        self.screen = MDScreen()
        self.theme_cls.theme_style = "Dark"
        self.theme_cls.primary_palette = "BlueGray"

        toolbar = MDToolbar(title="Test")
        toolbar.pos_hint = {"top": 1}
        # toolbar.right_action_items = [["rotate-3d-variant"]]
        self.screen.add_widget(toolbar)

        self.table = MDDataTable(
            size_hint=(0.95, 0.6),
            pos_hint={'center_x': 0.5, 'center_y': 0.55},
            rows_num=25,
            check=True,
            use_pagination=False,
            background_color_header="#596163",
            column_data=[
                ["Nr.", dp(20)],
                ["Date", dp(20)],
                ["First name", dp(20), self.sort_first_name],
                ["Last name", dp(20), self.sort_last_name],
                ["E-Mail Address", dp(38)],
                ["Phone Number", dp(34)]],
            row_data=self.tbl_list)
        self.table.bind(on_row_press=self.on_row_press)

        self.screen.add_widget(self.table)
        self.screen.add_widget(self.btn_delete)
        self.screen.add_widget(self.btn_transfer)

        return self.screen

    @staticmethod
    def sort_first_name(data):
        return zip(*sorted(enumerate(data), key=lambda l: l[1][1]))

    @staticmethod
    def sort_last_name(data):
        return zip(*sorted(enumerate(data), key=lambda l: l[1][2]))

    def on_row_press(self, table, row):
        start_index, end_index = row.table.recycle_data[row.index]["range"]
        self.delete_object = row.table.recycle_data[start_index]["text"]
        if row == self.row_object:
            # Same row
            self.btn_delete.opacity = 0
            if not self.btn_hide:
                self.btn_transfer.opacity = 0
                self.btn_delete.opacity = 1
                self.btn_hide = True
            else:
                self.btn_transfer.opacity = 1
                self.btn_delete.opacity = 0
                self.btn_hide = False
        else:
            # Different row
            self.delete_text = f"Zeile {str(self.delete_object)}\nlöschen"
            self.btn_delete.text = self.delete_text
            self.row_object = row
            self.btn_transfer.opacity = 0
            self.btn_delete.opacity = 1
            self.btn_hide = True

            # Hier versuche ich erstmal meine Idee umzusetzen...
            for i in range(start_index, end_index):
                print(row.table.recycle_data[i]["text"])
                row.background_color_selected_cell = "lightsteelblue"
            print("---")

    def delete(self, _):
        for i, a in enumerate(self.tbl_list):
            if a[0] == self.delete_object:
                self.tbl_list.pop(i)
        self.table.row_data = self.tbl_list
        self.btn_transfer.opacity = 1
        self.btn_delete.opacity = 0
        self.btn_hide = False

    def transfer(self, value):
        print("transfer", value)
        pp = pprint.PrettyPrinter(indent=5)
        pp.pprint(self.tbl_list)


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