"""
Main application window — sidebar + tabview layout.
"""

import customtkinter as ctk
from tkinter import messagebox

from core.server_store import ServerStore
from core.status_checker import StatusChecker
from gui.sidebar import Sidebar
from gui.server_dialog import ServerDialog
from gui.tabs.terminal_tab import TerminalTab
from gui.tabs.files_tab import FilesTab
from gui.tabs.info_tab import InfoTab
from gui.tabs.keys_tab import KeysTab


class App(ctk.CTk):
    def __init__(self):
        super().__init__()

        # Window config
        self.title("ServerManager")
        self.geometry("1100x700")
        self.minsize(900, 500)

        ctk.set_appearance_mode("dark")
        ctk.set_default_color_theme("blue")

        # Core
        self.store = ServerStore()
        self.checker = StatusChecker(self.store, interval=60)

        # Layout
        self._build_layout()

        # Status checker
        self.checker.set_gui_callback(lambda: self.after(0, self._on_status_update))
        self.checker.start()
        self.checker.check_all_now()

        # Cleanup on close
        self.protocol("WM_DELETE_WINDOW", self._on_close)

    def _build_layout(self):
        # Sidebar
        self.sidebar = Sidebar(self, self.store, on_select=self._on_server_select)
        self.sidebar.pack(side="left", fill="y")
        self.sidebar.add_callback = self._add_server
        self.sidebar.edit_callback = self._edit_server
        self.sidebar.delete_callback = self._delete_server

        # Main area
        main = ctk.CTkFrame(self, fg_color="transparent")
        main.pack(side="right", fill="both", expand=True)

        # Tabview
        self.tabview = ctk.CTkTabview(main)
        self.tabview.pack(fill="both", expand=True, padx=10, pady=10)

        # Tabs
        self.tabview.add("Terminal")
        self.tabview.add("Files")
        self.tabview.add("Info")
        self.tabview.add("Keys")

        self.terminal_tab = TerminalTab(self.tabview.tab("Terminal"), self.store)
        self.terminal_tab.pack(fill="both", expand=True)

        self.files_tab = FilesTab(self.tabview.tab("Files"), self.store)
        self.files_tab.pack(fill="both", expand=True)

        self.info_tab = InfoTab(self.tabview.tab("Info"), self.store, edit_callback=self._edit_server)
        self.info_tab.pack(fill="both", expand=True)

        self.keys_tab = KeysTab(self.tabview.tab("Keys"), self.store)
        self.keys_tab.pack(fill="both", expand=True)

    def _on_server_select(self, alias: str):
        self.terminal_tab.set_server(alias)
        self.files_tab.set_server(alias)
        self.info_tab.set_server(alias)
        self.keys_tab.set_server(alias)

    def _add_server(self):
        dialog = ServerDialog(self, self.store)
        self.wait_window(dialog)

    def _edit_server(self, alias: str):
        server = self.store.get_server(alias)
        if server:
            dialog = ServerDialog(self, self.store, server=server)
            self.wait_window(dialog)
            self.info_tab.refresh()

    def _delete_server(self, alias: str):
        if messagebox.askyesno("Delete Server", f"Remove '{alias}'?"):
            self.store.remove_server(alias)
            self._on_server_select(None)

    def _on_status_update(self):
        self.sidebar.update_statuses()
        self.info_tab.refresh()

    def _on_close(self):
        self.checker.stop()
        self.destroy()