# -*- coding: utf-8 -*-
"""
aza_addon_shell.py — AZA Add-on-Huelle

Kompaktes Fenster mit Kacheln:
  - Diktat, Chat, Uebersetzer (aktiv)
  - Presentation Maker (Platzhalter, deaktiviert)

Keine eigene Modul-Logik — nur Weiterleitung an bestehende app-Methoden.
"""

from __future__ import annotations

import tkinter as tk
from typing import Any, Callable, Optional

# ── AZA-Design-Konstanten (passend zu aza_office_shell_v1.py) ─────────────────
_BG        = "#E8F4FA"
_HDR_BG    = "#1A4D6D"
_HDR_FG    = "#FFFFFF"
_CARD_BG   = "#FFFFFF"
_CARD_BD   = "#C8D8E8"
_ACCENT    = "#5B8DB3"
_ACCENT_H  = "#4A7A9E"
_TEXT      = "#1A3D55"
_TEXT_SUB  = "#607890"
_TEXT_MUTED = "#8AA0B5"
_FF        = "Segoe UI"


def open_presentation_maker_placeholder() -> None:
    """Platzhalter — Presentation Maker folgt in separatem Block."""
    return None


def _make_tile(parent: tk.Frame,
               icon: str,
               title: str,
               subtitle: str,
               command: Callable[[], None]) -> tk.Frame:
    """Erstellt eine klickbare Kachel mit Icon, Titel und Untertitel."""
    card = tk.Frame(parent, bg=_CARD_BG, bd=0,
                    highlightbackground=_CARD_BD, highlightthickness=1,
                    cursor="hand2")

    tk.Label(card, text=icon, font=(_FF, 22),
             bg=_CARD_BG, fg=_ACCENT, pady=8).pack()
    tk.Label(card, text=title, font=(_FF, 11, "bold"),
             bg=_CARD_BG, fg=_TEXT).pack(pady=(0, 2))
    tk.Label(card, text=subtitle, font=(_FF, 8),
             bg=_CARD_BG, fg=_TEXT_SUB, wraplength=130,
             justify="center").pack(padx=8, pady=(0, 12))

    def _on_enter(_e):
        card.configure(highlightbackground=_ACCENT)

    def _on_leave(_e):
        card.configure(highlightbackground=_CARD_BD)

    def _on_click(_e):
        try:
            command()
        except Exception:
            pass

    for w in [card] + list(card.winfo_children()):
        w.bind("<Enter>", _on_enter)
        w.bind("<Leave>", _on_leave)
        w.bind("<Button-1>", _on_click)

    return card


def _make_tile_disabled(parent: tk.Frame,
                        icon: str,
                        title: str,
                        subtitle: str,
                        status_hint: str) -> tk.Frame:
    """Deaktivierte Kachel — sichtbar, nicht klickbar, kein API-/Modulstart."""
    card = tk.Frame(parent, bg=_CARD_BG, bd=0,
                    highlightbackground=_CARD_BD, highlightthickness=1,
                    cursor="arrow")

    tk.Label(card, text=icon, font=(_FF, 22),
             bg=_CARD_BG, fg=_TEXT_MUTED, pady=8).pack()
    tk.Label(card, text=title, font=(_FF, 11, "bold"),
             bg=_CARD_BG, fg=_TEXT_MUTED).pack(pady=(0, 2))
    tk.Label(card, text=subtitle, font=(_FF, 8),
             bg=_CARD_BG, fg=_TEXT_MUTED, wraplength=130,
             justify="center").pack(padx=8, pady=(0, 2))
    tk.Label(card, text=status_hint, font=(_FF, 8, "italic"),
             bg=_CARD_BG, fg=_ACCENT, wraplength=130,
             justify="center").pack(padx=8, pady=(0, 10))

    return card


def open_addon_shell(app: Any) -> None:
    """Oeffnet die Add-on-Huelle als Toplevel."""
    existing = getattr(app, "_addon_shell_win", None)
    if existing is not None:
        try:
            if existing.winfo_exists():
                existing.lift()
                existing.focus_force()
                return
        except Exception:
            pass

    W, H = 920, 350

    win = tk.Toplevel(app)
    app._addon_shell_win = win
    win.title("AzA Add-on Beta")
    win.configure(bg=_BG)
    win.resizable(False, False)

    try:
        win.transient(app)
    except Exception:
        pass
    try:
        win.update_idletasks()
        sw = win.winfo_screenwidth()
        x = max(0, (sw - W) // 2)
        y = 80
        win.geometry(f"{W}x{H}+{x}+{y}")
    except Exception:
        win.geometry(f"{W}x{H}")

    try:
        win.attributes("-topmost", True)
        win.after(800, lambda: win.attributes("-topmost", False) if win.winfo_exists() else None)
    except Exception:
        pass

    try:
        win.lift()
        win.focus_force()
    except Exception:
        pass

    hdr = tk.Frame(win, bg=_HDR_BG)
    hdr.pack(fill="x")

    try:
        import os
        for _base in [os.path.dirname(os.path.abspath(__file__)),
                      getattr(__import__("sys"), "_MEIPASS", "")]:
            _ico = os.path.join(_base, "logo.ico") if _base else ""
            if _ico and os.path.isfile(_ico):
                try:
                    win.iconbitmap(_ico)
                except Exception:
                    pass
                break
    except Exception:
        pass

    tk.Label(hdr, text="🧩  AzA Add-on Beta",
             font=(_FF, 13, "bold"),
             bg=_HDR_BG, fg=_HDR_FG,
             padx=18, pady=12).pack(side="left")

    tk.Label(hdr, text="✕", font=(_FF, 11),
             bg=_HDR_BG, fg="#A0C4D8",
             cursor="hand2", padx=14).pack(side="right")
    hdr.winfo_children()[-1].bind("<Button-1>", lambda _e: _close())

    tk.Label(win, text="Zusätzliche Werkzeuge für Ihre Praxis",
             font=(_FF, 9), bg=_BG, fg=_TEXT_SUB,
             pady=10).pack()

    tiles_frame = tk.Frame(win, bg=_BG)
    tiles_frame.pack(expand=True, fill="both", pady=(0, 10), padx=12)

    _make_tile(
        tiles_frame,
        icon="🎙",
        title="Diktat",
        subtitle="Aufnahme starten",
        command=lambda: _safe_call(app, "open_diktat_window"),
    ).grid(row=0, column=0, padx=6, pady=8, sticky="nsew", ipadx=4, ipady=4)

    _make_tile(
        tiles_frame,
        icon="💬",
        title="Chat",
        subtitle="Praxis-Chat öffnen",
        command=lambda: _safe_call(app, "_send_to_empfang"),
    ).grid(row=0, column=1, padx=6, pady=8, sticky="nsew", ipadx=4, ipady=4)

    _make_tile(
        tiles_frame,
        icon="🌐",
        title="Übersetzer",
        subtitle="Medizinischer Übersetzer",
        command=lambda: _safe_call(app, "_open_uebersetzer"),
    ).grid(row=0, column=2, padx=6, pady=8, sticky="nsew", ipadx=4, ipady=4)

    _make_tile_disabled(
        tiles_frame,
        icon="📊",
        title="Presentation Maker",
        subtitle="Präsentationen erstellen",
        status_hint="In Vorbereitung",
    ).grid(row=0, column=3, padx=6, pady=8, sticky="nsew", ipadx=4, ipady=4)

    for col in range(4):
        tiles_frame.columnconfigure(col, weight=1, uniform="tile")

    tk.Label(win,
             text="Weitere Add-ons können später ergänzt werden.",
             font=(_FF, 7), bg=_BG, fg=_TEXT_SUB,
             pady=6).pack()

    def _close():
        try:
            app._addon_shell_win = None
        except Exception:
            pass
        try:
            win.destroy()
        except Exception:
            pass

    win.protocol("WM_DELETE_WINDOW", _close)

    try:
        if hasattr(app, "_register_window"):
            app._register_window(win)
    except Exception:
        pass


def _safe_call(app: Any, method: str) -> None:
    """Ruft app.method() sicher auf."""
    try:
        fn = getattr(app, method, None)
        if callable(fn):
            fn()
    except Exception:
        pass