import flet as ft
import designer as ds

main_loading=None
class Main_page(ft.View):
   
    def __init__(self, page:ft.Page):
        self.page=page
        self.file_picker = ft.FilePicker(on_result=self.load_file)
        self.directory_picker = ft.FilePicker(on_result=self.load_directory)
        self.page.overlay.append(self.file_picker)
        self.page.overlay.append(self.directory_picker)
        
        self.selection_mode = ft.RadioGroup(
            content=ft.Row([
                ft.Radio(value="file", label="Выбрать файл"),
                ft.Radio(value="directory", label="Выбрать папку")
            ]),
            value="file",
            on_change=self.on_mode_change
        )
        
        self.file_url=ds.TextField(
            #width=380,
            expand=True,
            read_only=True
        )
        
        self.button_load = ds.Button(on_click=self.clic_button_file, text="Выбрать файл")
        
        super().__init__(
            route="/main",
            horizontal_alignment=ft.CrossAxisAlignment.CENTER,
            vertical_alignment=ft.MainAxisAlignment.CENTER,
            #expand=True,
            scroll="auto",
            controls=[
                ft.Row(
                    controls=[
                        ft.Container(
                            border_radius=ft.border_radius.all(10),
                            bgcolor=ds.colors[4],
                            height=80,
                            expand=True,
                            content=ft.Text("file loading",color=ds.colors[0],size=30),
                            alignment=ft.alignment.center_left,
                        )
                    ],
                    expand=True,
                    height=100,
                ),
                ft.Row(
                    expand=True,
                    height=500,
                    controls=[
                        ft.Container(#болшой контейнер
                            padding=10,
                            expand=True,
                            border_radius=ft.border_radius.all(10),
                            bgcolor=ds.colors[4],
                            content=ft.Column(
                                controls=[
                                    ft.Column(
                                        controls=[
                                            ft.Container(#контенер с выбором режима
                                                padding=10,
                                                expand=True,
                                                bgcolor=ds.colors[3],
                                                border_radius=ft.border_radius.all(10),
                                                content=self.selection_mode
                                            ),
                                            ft.Container(#контенер с ссылкой на документ
                                                padding=10,
                                                expand=True,
                                                #width=500,
                                                bgcolor=ds.colors[3],
                                                border_radius=ft.border_radius.all(10),
                                                content=ft.Column(
                                                    controls=[
                                                        self.file_url,
                                                        ft.Container(
                                                            #width=380,
                                                            expand=True,
                                                            alignment=ft.alignment.center_right,
                                                            content=self.button_load
                                                        )
                                                    ]
                                                )
                                            ),
                                            ft.Container(
                                                height=100,
                                                alignment=ft.alignment.center_right,
                                                bgcolor=ds.colors[3],
                                                border_radius=ft.border_radius.all(10)
                                                
                                            )
                                        ]
                                    ),
                                ]
                            ),
                        )
                    ],
                )
            ], 
        )
    def on_mode_change(self, e):
        """Обработчик изменения режима выбора"""
        if self.selection_mode.value == "file":
            self.button_load.text = "Выбрать файл"
        else:
            self.button_load.text = "Выбрать папку"
        self.page.update()
    
    def clic_button_file(self,e):
        if self.selection_mode.value == "file":
            self.file_picker.pick_files(
                allow_multiple=False,
                allowed_extensions=["xlsx", "xls"]
            )
        else:
            self.directory_picker.get_directory_path()
        self.page.update()
    
    def load_file(self,e:ft.FilePickerResultEvent):  
        if e.files is not None:
            for f in e.files:
                print(f"Выбранный файл: {f.path}")
                self.file_url.value = f.path
        self.page.update()
    
    def load_directory(self,e:ft.FilePickerResultEvent):
        if e.path is not None:
            print(f"Выбранная папка: {e.path}")
            self.file_url.value = e.path
        self.page.update()