import tkinter as tk
from tkinter import ttk

from shared_libs.wp_app_config import Msg


class TunnelList(ttk.Frame):
    def __init__(self, container, selection_callback, **kwargs):
        super().__init__(container, **kwargs)

        self.list_frame = ttk.LabelFrame(self, text=Msg.STR["tunnels"])
        self.list_frame.grid(
            column=0, row=0, sticky="nsew", padx=(10, 0), pady=(0, 8))

        self.list_box = tk.Listbox(self.list_frame, selectmode="single")
        self.list_box.config(
            relief="flat",
            font=("Ubuntu", 12, "bold"),
        )
        self.list_box.grid(column=0, row=0, sticky="nsew")
        self.list_box.event_add("<<ClickEvent>>", "<Button-1>")
        self.list_box.bind("<<ClickEvent>>", selection_callback)

        self.scrollbar = ttk.Scrollbar(
            self.list_frame, orient="vertical", command=self.list_box.yview
        )
        self.scrollbar.grid(column=1, row=0, sticky="ns")
        self.list_box.configure(yscrollcommand=self.scrollbar.set)

        self.columnconfigure(0, weight=5)
        self.rowconfigure(0, weight=5)
        self.list_frame.columnconfigure(0, weight=5)
        self.list_frame.rowconfigure(0, weight=5)

    def populate(self, tunnels):
        self.list_box.delete(0, tk.END)
        for tunnel in tunnels:
            self.list_box.insert("end", tunnel)
        self.list_box.update()

    def get_selected(self):
        selection_indices = self.list_box.curselection()
        if not selection_indices:
            return None
        return self.list_box.get(selection_indices[0])

    def get_size(self):
        return self.list_box.size()

    def set_selection(self, index):
        self.list_box.selection_clear(0, tk.END)
        self.list_box.selection_set(index)

    def delete_selected(self):
        selection_indices = self.list_box.curselection()
        if selection_indices:
            self.list_box.delete(selection_indices[0])