"""
Login Frame

UI component for authentication.
"""

import customtkinter as ctk
from typing import Callable


class LoginFrame(ctk.CTkFrame):
    """Frame for authentication UI."""

    def __init__(self, parent, on_connect: Callable = None):
        """
        Initialize the login frame.

        Args:
            parent: Parent widget
            on_connect: Callback function when connect button is clicked
        """
        super().__init__(parent)

        self.on_connect = on_connect
        self.is_authenticated = False

        # Configure frame
        self.configure(corner_radius=10, border_width=2)

        # Title
        self.title_label = ctk.CTkLabel(
            self,
            text="Authentication",
            font=ctk.CTkFont(size=18, weight="bold")
        )
        self.title_label.grid(row=0, column=0, columnspan=3, padx=20, pady=(20, 10), sticky="w")

        # Status indicator (colored circle)
        self.status_indicator = ctk.CTkLabel(
            self,
            text="●",
            font=ctk.CTkFont(size=20),
            text_color="red"
        )
        self.status_indicator.grid(row=1, column=0, padx=(20, 5), pady=10)

        # Status text
        self.status_label = ctk.CTkLabel(
            self,
            text="Not Connected",
            font=ctk.CTkFont(size=14)
        )
        self.status_label.grid(row=1, column=1, padx=5, pady=10, sticky="w")

        # Connect button
        self.connect_button = ctk.CTkButton(
            self,
            text="Connect to Azure",
            command=self._on_connect_clicked,
            width=200,
            height=40,
            font=ctk.CTkFont(size=14, weight="bold")
        )
        self.connect_button.grid(row=1, column=2, padx=20, pady=10, sticky="e")

        # Configure grid
        self.grid_columnconfigure(1, weight=1)

    def _on_connect_clicked(self):
        """Handle connect button click."""
        if self.on_connect:
            self.on_connect()

    def set_authenticated(self, authenticated: bool):
        """
        Update authentication status.

        Args:
            authenticated: Whether authentication succeeded
        """
        self.is_authenticated = authenticated

        if authenticated:
            self.status_indicator.configure(text_color="green")
            self.status_label.configure(text="Connected")
            self.connect_button.configure(state="disabled", text="Connected")
        else:
            self.status_indicator.configure(text_color="red")
            self.status_label.configure(text="Not Connected")
            self.connect_button.configure(state="normal", text="Connect to Azure")

    def set_connecting(self):
        """Set UI to connecting state."""
        self.status_indicator.configure(text_color="orange")
        self.status_label.configure(text="Connecting...")
        self.connect_button.configure(state="disabled", text="Connecting...")

    def enable_button(self):
        """Enable the connect button (for retry after error)."""
        if not self.is_authenticated:
            self.connect_button.configure(state="normal", text="Connect to Azure")