# -*- coding: utf-8 -*-
"""
AzaSettingsMixin – Einstellungsfenster (KG-Modell, Templates, Autotext, Add-ons, etc.).
"""

import tkinter as tk
from tkinter import ttk, messagebox
from tkinter.scrolledtext import ScrolledText

from aza_audit_log import log_event as _audit_log
from aza_persistence import (
    load_settings_geometry,
    save_settings_geometry,
    load_templates_text,
    save_templates_text,
    save_autotext,
    save_model,
    _clamp_geometry_str,
    load_signature_name,
    save_signature_name,
    load_user_profile,
)
from aza_ui_helpers import add_resize_grip, add_font_scale_control
from aza_config import MODEL_LABELS, ALLOWED_SUMMARY_MODELS


class AzaSettingsMixin:
    """Mixin für das Einstellungsfenster."""

    def _open_settings(self):
        SETTINGS_MIN_W, SETTINGS_MIN_H = 680, 520
        win = tk.Toplevel(self)
        win.title("Einstellungen")
        win.transient(self)
        win.minsize(SETTINGS_MIN_W, SETTINGS_MIN_H)
        win.attributes("-topmost", True)
        if hasattr(self, "_aza_windows"):
            self._aza_windows.add(win)
        self._register_window(win)
        saved_geom = load_settings_geometry()
        if saved_geom:
            try:
                win.geometry(_clamp_geometry_str(saved_geom, SETTINGS_MIN_W, SETTINGS_MIN_H))
            except Exception:
                win.geometry(f"{SETTINGS_MIN_W}x{SETTINGS_MIN_H}")
        if not saved_geom:
            win.geometry(f"{SETTINGS_MIN_W}x{SETTINGS_MIN_H}")
            win.update_idletasks()
            sw = win.winfo_screenwidth()
            sh = win.winfo_screenheight()
            w, h = SETTINGS_MIN_W, SETTINGS_MIN_H
            x = max(0, (sw - w) // 2)
            y = max(0, (sh - h) // 2)
            win.geometry(f"{w}x{h}+{x}+{y}")
        add_resize_grip(win, SETTINGS_MIN_W, SETTINGS_MIN_H)
        add_font_scale_control(win)
        f = ttk.Frame(win, padding=16)
        f.pack(fill="both", expand=True)
        ttk.Label(f, text="KG-Modell:").grid(row=0, column=0, sticky="w", pady=(0, 8))
        display_values = [MODEL_LABELS[m] for m in ALLOWED_SUMMARY_MODELS]
        current = MODEL_LABELS.get(self.model_var.get(), display_values[0])
        model_var_dialog = tk.StringVar(value=current)
        model_box = ttk.Combobox(
            f, textvariable=model_var_dialog, values=display_values, state="readonly", width=42
        )
        model_box.grid(row=0, column=1, sticky="ew", padx=(12, 0), pady=(0, 8))
        f.columnconfigure(1, weight=1)

        def open_templates():
            tw = tk.Toplevel(win)
            tw.title("Templates")
            tw.transient(win)
            tw.geometry("620x370")
            tw.configure(bg="#B9ECFA")
            tw.minsize(450, 280)
            tw.attributes("-topmost", True)
            self._register_window(tw)
            add_resize_grip(tw, 450, 280)
            add_font_scale_control(tw)
            tf = ttk.Frame(tw, padding=12)
            tf.pack(fill="both", expand=True)
            ttk.Label(tf, text="Kontext für die KI (z. B. „Ich bin ein Dermatologe und schreibe dermatologische Berichte.“). Wird bei der KG-Erstellung berücksichtigt:").pack(anchor="w")
            ttxt = ScrolledText(tf, wrap="word", font=self._text_font, bg="#F5FCFF", height=8)
            ttxt.pack(fill="both", expand=True, pady=(4, 8))
            ttxt.insert("1.0", load_templates_text())
            self._bind_autotext(ttxt)
            btn_f = ttk.Frame(tf)
            btn_f.pack(fill="x")
            def save_and_close():
                save_templates_text(ttxt.get("1.0", "end").strip())
                tw.destroy()
            ttk.Button(btn_f, text="OK", command=save_and_close).pack(side="left", padx=(0, 8))
            ttk.Button(btn_f, text="Abbrechen", command=tw.destroy).pack(side="left")

        def do_reset():
            save_templates_text("")
            messagebox.showinfo("Reset", "Template-Text wurde zurückgesetzt und ist jetzt leer.")

        ttk.Button(f, text="Templates", command=open_templates).grid(row=1, column=0, pady=(8, 4), sticky="w")
        ttk.Button(f, text="Reset", command=do_reset).grid(row=1, column=1, pady=(8, 4), sticky="w", padx=(12, 0))

        start_frame = ttk.LabelFrame(f, text="Startverhalten / Fenster", padding=(10, 5))
        start_frame.grid(row=2, column=0, columnspan=2, sticky="ew", pady=(8, 4))

        diktat_auto_var = tk.BooleanVar(value=self._autotext_data.get("diktat_auto_start", True))
        ttk.Checkbutton(start_frame, text="Diktat startet sofort (wenn aus: Aufnahme manuell starten)",
                        variable=diktat_auto_var).pack(anchor="w", pady=2)

        notizen_open_on_start_var = tk.BooleanVar(value=self._autotext_data.get("notizen_open_on_start", True))
        ttk.Checkbutton(start_frame, text="Audionotiz beim Programmstart automatisch öffnen",
                        variable=notizen_open_on_start_var).pack(anchor="w", pady=2)

        kommentare_auto_var = tk.BooleanVar(value=self._autotext_data.get("kommentare_auto_open", False))
        ttk.Checkbutton(start_frame, text="Kommentare-Fenster beim Programmstart automatisch öffnen",
                        variable=kommentare_auto_var).pack(anchor="w", pady=2)
        def _live_textbloecke_visible(*_args):
            vis = bool(textbloecke_visible_var.get())
            self._autotext_data["textbloecke_visible"] = vis
            try:
                if vis:
                    self._textbloecke_container.pack(fill="x", before=self._textbloecke_anchor)
                else:
                    self._textbloecke_container.pack_forget()
                self.update_idletasks()
            except Exception:
                pass

        textbloecke_visible_var = tk.BooleanVar(value=self._autotext_data.get("textbloecke_visible", True))
        cb_textbloecke = ttk.Checkbutton(f, text="Textblöcke anzeigen (Inhalt bleibt gespeichert, wenn ausgeblendet)",
                                         variable=textbloecke_visible_var, command=_live_textbloecke_visible)
        cb_textbloecke.grid(row=3, column=0, columnspan=2, sticky="w", pady=(4, 2))
        def _live_addon_visible(*_args):
            vis = bool(addon_visible_var.get())
            self._autotext_data["addon_visible"] = vis
            try:
                if vis:
                    self._addon_container.pack(fill="x", before=self._addon_anchor)
                    self._update_addon_buttons_visibility()
                else:
                    self._addon_container.pack_forget()
                self.update_idletasks()
            except Exception:
                pass

        addon_visible_var = tk.BooleanVar(value=self._autotext_data.get("addon_visible", True))
        cb_addon = ttk.Checkbutton(f, text="Add-ons anzeigen", variable=addon_visible_var,
                                   command=_live_addon_visible)
        cb_addon.grid(row=4, column=0, columnspan=2, sticky="w", pady=(4, 2))

        def _live_logo_visible(*_args):
            vis = bool(logo_visible_var.get())
            self._autotext_data["logo_visible"] = vis
            try:
                if vis:
                    self._logo_frame.place(relx=0.01, rely=0.97, anchor="sw")
                else:
                    self._logo_frame.place_forget()
                self.update_idletasks()
            except Exception:
                pass

        logo_visible_var = tk.BooleanVar(value=self._autotext_data.get("logo_visible", True))
        cb_logo = ttk.Checkbutton(f, text="Logo anzeigen (Klick auf Logo startet/stoppt Aufnahme)",
                                  variable=logo_visible_var, command=_live_logo_visible)
        cb_logo.grid(row=4, column=1, sticky="w", pady=(4, 2), padx=(12, 0))

        # Unterkategorie: Welche Add-on-Buttons sollen angezeigt werden?
        addon_buttons_frame = ttk.LabelFrame(f, text="Welche Add-on-Buttons anzeigen?", padding=(10, 5))
        addon_buttons_frame.grid(row=5, column=0, columnspan=2, sticky="ew", pady=(8, 4))

        addon_buttons = self._autotext_data.get("addon_buttons", {})
        addon_button_vars = {}

        addon_button_options = [
            ("uebersetzer", "Übersetzer (provisorisch)"),
            ("email", "E-Mail"),
            ("autotext", "Autotext"),
            ("whatsapp", "WhatsApp"),
            ("docapp", "MedWork"),
            ("todo", "To-do"),
            ("macro", "Makro starten"),
            ("kongresse", "Kongresse"),
            ("news", "News"),
            ("empfang", "An Empfang senden"),
        ]

        todo_auto_open_var = tk.BooleanVar(
            value=self._autotext_data.get("todo_auto_open", True))

        def _live_addon_toggle(*_args):
            self._autotext_data["addon_buttons"] = {
                bid: bool(v.get()) for bid, v in addon_button_vars.items()
            }
            try:
                self._update_addon_buttons_visibility()
            except Exception:
                pass

        grid_row = 0
        for button_id, label in addon_button_options:
            var = tk.BooleanVar(value=addon_buttons.get(button_id, True))
            addon_button_vars[button_id] = var
            cb = ttk.Checkbutton(addon_buttons_frame, text=label, variable=var,
                                 command=_live_addon_toggle)
            cb.grid(row=grid_row, column=0, sticky="w", padx=10, pady=2)
            grid_row += 1
            if button_id == "todo":
                cb_auto = ttk.Checkbutton(
                    addon_buttons_frame,
                    text="     ↳ To-do beim Start automatisch öffnen",
                    variable=todo_auto_open_var)
                cb_auto.grid(row=grid_row, column=0, sticky="w", padx=10, pady=(0, 2))
                grid_row += 1

        kg_auto_delete_var = tk.BooleanVar(value=self._autotext_data.get("kg_auto_delete_old", False))
        cb_kg_auto = ttk.Checkbutton(f, text="KG-Einträge älter als 2 Wochen automatisch löschen (Speicher schonen)", variable=kg_auto_delete_var)
        cb_kg_auto.grid(row=6, column=0, columnspan=2, sticky="w", pady=(4, 2))

        # Statusanzeige-Farbe
        status_color_frame = ttk.LabelFrame(f, text="Statusanzeige", padding=(10, 5))
        status_color_frame.grid(row=7, column=0, columnspan=2, sticky="ew", pady=(8, 4))
        _status_color_options = {"Standard (Orange)": "#BD4500", "Blau": "#1a4d6d", "Ausblenden": "hidden"}
        _current_sc = self._autotext_data.get("status_color", "#BD4500")
        _sc_label = "Standard (Orange)"
        for _lbl, _val in _status_color_options.items():
            if _val == _current_sc:
                _sc_label = _lbl
                break
        status_color_var = tk.StringVar(value=_sc_label)

        def _live_status_color(*_args):
            sc_sel = status_color_var.get()
            sc_v = _status_color_options.get(sc_sel, "#BD4500")
            self._autotext_data["status_color"] = sc_v
            try:
                self._apply_status_color()
            except Exception:
                pass

        for sc_col, (sc_label, sc_val) in enumerate(_status_color_options.items()):
            ttk.Radiobutton(status_color_frame, text=sc_label, variable=status_color_var,
                            value=sc_label, command=_live_status_color).grid(row=0, column=sc_col, padx=8, pady=2, sticky="w")

        autotext_var = tk.BooleanVar(value=self._autotext_data.get("enabled", True))
        cb_autotext = ttk.Checkbutton(f, text="Autotext (Abkürzungen z. B. „mfg“ → „mit freundlichen Grüßen“)", variable=autotext_var)
        cb_autotext.grid(row=8, column=0, columnspan=2, sticky="w", pady=(4, 2))
        def open_autotext_manage():
            self._open_autotext_dialog(win)
        ttk.Button(f, text="Autotext verwalten", command=open_autotext_manage).grid(row=9, column=0, pady=(2, 4), sticky="w")

        autocopy_var = tk.BooleanVar(
            value=self._autotext_data.get("autocopy_after_diktat", True)
        )
        cb_autocopy = ttk.Checkbutton(
            f,
            text="Autocopy: Nach Diktat/Transkription automatisch in Zwischenablage kopieren",
            variable=autocopy_var,
        )
        cb_autocopy.grid(row=10, column=0, columnspan=2, sticky="w", pady=(4, 2))

        if not hasattr(self, "_rclick_paste_var"):
            self._rclick_paste_var = tk.BooleanVar(
                value=bool(self._autotext_data.get("global_right_click_paste", True)))

        cb_global_right_click = ttk.Checkbutton(
            f,
            text="Global: Rechtsklick fügt direkt ein (ohne Kontextmenü, nur externe Apps)",
            variable=self._rclick_paste_var,
            command=self._toggle_rclick_paste,
        )
        cb_global_right_click.grid(row=11, column=0, columnspan=2, sticky="w", pady=(4, 2))

        sig_frame = ttk.LabelFrame(f, text="Unterschrift / Signatur", padding=(10, 5))
        sig_frame.grid(row=12, column=0, columnspan=2, sticky="ew", pady=(8, 4))
        sig_frame.columnconfigure(1, weight=1)

        profile_name = self._user_profile.get("name", "")
        current_sig = load_signature_name(fallback_to_profile=False)
        use_profile = not bool(current_sig)

        sig_auto_var = tk.BooleanVar(value=use_profile)
        sig_name_var = tk.StringVar(value=current_sig if current_sig else profile_name)

        cb_sig_auto = ttk.Checkbutton(sig_frame,
            text=f"Profilname verwenden: {profile_name}" if profile_name else "Profilname verwenden",
            variable=sig_auto_var)
        cb_sig_auto.grid(row=0, column=0, columnspan=2, sticky="w", pady=(0, 4))

        ttk.Label(sig_frame, text="Abweichender Name:").grid(row=1, column=0, sticky="w", padx=(0, 8))
        ent_sig = ttk.Entry(sig_frame, textvariable=sig_name_var, width=36)
        ent_sig.grid(row=1, column=1, sticky="ew", pady=(0, 2))

        def _update_sig_entry(*_):
            if sig_auto_var.get():
                ent_sig.configure(state="disabled")
                sig_name_var.set(profile_name)
            else:
                ent_sig.configure(state="normal")
        sig_auto_var.trace_add("write", _update_sig_entry)
        _update_sig_entry()

        self._sig_auto_var = sig_auto_var
        self._sig_name_var = sig_name_var

        # --- Audio-Test ---
        audio_frame = ttk.LabelFrame(f, text="Audio / Mikrofon", padding=(10, 5))
        audio_frame.grid(row=13, column=0, columnspan=2, sticky="ew", pady=(8, 4))

        audio_status_var = tk.StringVar(value="")

        def _run_audio_test():
            audio_status_var.set("Test läuft …")
            win.update_idletasks()
            try:
                from aza_audio import test_audio_device
                result = test_audio_device(duration_sec=1.5)
                if result["ok"]:
                    audio_status_var.set("✓ " + result["message"])
                else:
                    audio_status_var.set("✗ " + result["message"])
            except Exception as exc:
                audio_status_var.set(f"✗ Fehler: {exc}")

        ttk.Button(audio_frame, text="Audio-Test starten",
                   command=_run_audio_test).pack(side="left", padx=(0, 12))
        tk.Label(audio_frame, textvariable=audio_status_var,
                 font=("Segoe UI", 9), fg="#333", bg="#F0F0F0",
                 wraplength=400, justify="left").pack(side="left", fill="x", expand=True)

        legal_frame = ttk.LabelFrame(f, text="Datenschutz & Recht", padding=(10, 5))
        legal_frame.grid(row=14, column=0, columnspan=2, sticky="ew", pady=(8, 4))
        ttk.Button(legal_frame, text="Datenschutzerklärung anzeigen",
                   command=lambda: self._show_legal_text(win, "Datenschutzerklärung", "privacy_policy.md")
                   ).grid(row=0, column=0, padx=(0, 8), pady=2, sticky="w")
        ttk.Button(legal_frame, text="KI-Einwilligung anzeigen",
                   command=lambda: self._show_legal_text(win, "KI-Einwilligung", "ai_consent.md")
                   ).grid(row=0, column=1, padx=0, pady=2, sticky="w")

        from aza_consent import get_consent_status, record_revoke, has_valid_consent, record_consent, export_consent_log
        uid = self._user_profile.get("name", "default")
        consent_ok = has_valid_consent(uid)
        consent_status_var = tk.StringVar(
            value=f"KI-Einwilligung: {'Erteilt' if consent_ok else 'Nicht erteilt / widerrufen'}")
        ttk.Label(legal_frame, textvariable=consent_status_var).grid(
            row=1, column=0, columnspan=2, sticky="w", pady=(6, 2))

        def toggle_consent():
            nonlocal consent_ok
            _uid = self._user_profile.get("name", "default")
            if has_valid_consent(_uid):
                if messagebox.askyesno("Einwilligung widerrufen",
                        "Möchten Sie Ihre KI-Einwilligung widerrufen?\n\n"
                        "KI-Funktionen (Transkription, KG-Erstellung,\n"
                        "Interaktionsprüfung) werden danach gesperrt.",
                        parent=win):
                    record_revoke(_uid, source="ui")
                    _audit_log("CONSENT_REVOKE", _uid)
                    consent_ok = False
                    consent_status_var.set("KI-Einwilligung: Widerrufen")
                    btn_consent.configure(text="KI-Einwilligung erteilen")
                    messagebox.showinfo("Widerruf", "Ihre KI-Einwilligung wurde widerrufen und protokolliert.", parent=win)
            else:
                if self._check_ai_consent():
                    consent_ok = True
                    consent_status_var.set("KI-Einwilligung: Erteilt")
                    btn_consent.configure(text="KI-Einwilligung widerrufen")

        btn_consent = ttk.Button(legal_frame,
            text="KI-Einwilligung widerrufen" if consent_ok else "KI-Einwilligung erteilen",
            command=toggle_consent)
        btn_consent.grid(row=2, column=0, padx=(0, 8), pady=2, sticky="w")

        def do_export():
            from aza_audit_log import export_audit_log
            try:
                path_consent = export_consent_log()
                path_audit = export_audit_log()
                _audit_log("EXPORT", uid, detail="consent+audit log")
                messagebox.showinfo("Export",
                    f"Consent-Log exportiert:\n{path_consent}\n\n"
                    f"Audit-Log exportiert:\n{path_audit}", parent=win)
            except Exception as e:
                messagebox.showerror("Export-Fehler", str(e), parent=win)

        ttk.Button(legal_frame, text="Logs exportieren (Audit)",
                   command=do_export).grid(row=2, column=1, padx=0, pady=2, sticky="w")

        def save_and_close():
            try:
                save_settings_geometry(win.geometry())
            except Exception:
                pass
            if hasattr(self, "_aza_windows"):
                self._aza_windows.discard(win)
            win.destroy()

        def on_ok():
            selected_label = model_var_dialog.get().strip()
            for model_id, label in MODEL_LABELS.items():
                if label == selected_label:
                    self.model_var.set(model_id)
                    save_model(model_id)
                    break
            self._autotext_data["enabled"] = bool(autotext_var.get())
            self._autotext_data["diktat_auto_start"] = bool(diktat_auto_var.get())
            self._autotext_data["notizen_open_on_start"] = bool(notizen_open_on_start_var.get())
            self._autotext_data["textbloecke_visible"] = bool(textbloecke_visible_var.get())
            self._autotext_data["addon_visible"] = bool(addon_visible_var.get())

            # Speichere die einzelnen Button-Einstellungen
            self._autotext_data["addon_buttons"] = {
                button_id: bool(var.get())
                for button_id, var in addon_button_vars.items()
            }

            self._autotext_data["kg_auto_delete_old"] = bool(kg_auto_delete_var.get())
            self._autotext_data["todo_auto_open"] = bool(todo_auto_open_var.get())
            self._autotext_data["autocopy_after_diktat"] = bool(autocopy_var.get())
            self._autotext_data["global_right_click_paste"] = bool(self._rclick_paste_var.get())
            self._autotext_data["kommentare_auto_open"] = bool(kommentare_auto_var.get())
            self._autotext_data["logo_visible"] = bool(logo_visible_var.get())

            if self._sig_auto_var.get():
                save_signature_name("")
            else:
                save_signature_name(self._sig_name_var.get().strip())

            # Statusanzeige-Farbe speichern
            sc_selected = status_color_var.get()
            sc_value = _status_color_options.get(sc_selected, "#BD4500")
            self._autotext_data["status_color"] = sc_value

            save_autotext(self._autotext_data)
            save_and_close()
            # UI-Updates nach Schließen des Einstellungsfensters (verhindert Hang)
            def _apply_ui():
                try:
                    if self._autotext_data["textbloecke_visible"]:
                        self._textbloecke_container.pack(fill="x", before=self._textbloecke_anchor)
                    else:
                        self._textbloecke_container.pack_forget()
                    if self._autotext_data["addon_visible"]:
                        self._addon_container.pack(fill="x", before=self._addon_anchor)
                        self._update_addon_buttons_visibility()
                        self.update_idletasks()
                        h = self.winfo_height()
                        if h < 500:
                            self.geometry(f"{self.winfo_width()}x500")
                    else:
                        self._addon_container.pack_forget()
                except Exception:
                    pass
                try:
                    self._apply_status_color()
                except Exception:
                    pass
                self.update_idletasks()
            self.after(50, _apply_ui)

        win.protocol("WM_DELETE_WINDOW", save_and_close)
        ttk.Button(f, text="OK", command=on_ok).grid(row=15, column=0, columnspan=2, pady=(12, 0))
        win.focus_set()

    def _show_legal_text(self, parent, title: str, filename: str):
        """Zeigt einen Rechtstext (Markdown) in einem Lesefenster an."""
        import os
        legal_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "legal")
        filepath = os.path.join(legal_dir, filename)

        try:
            with open(filepath, "r", encoding="utf-8") as fh:
                content = fh.read()
        except FileNotFoundError:
            messagebox.showerror("Fehler", f"Datei nicht gefunden:\n{filepath}", parent=parent)
            return
        except OSError as e:
            messagebox.showerror("Fehler", f"Datei konnte nicht gelesen werden:\n{e}", parent=parent)
            return

        tw = tk.Toplevel(parent)
        tw.title(title)
        tw.transient(parent)
        tw.geometry("720x600")
        tw.minsize(500, 400)
        tw.attributes("-topmost", True)
        self._register_window(tw)

        from aza_ui_helpers import add_resize_grip, add_font_scale_control
        add_resize_grip(tw, 500, 400)
        add_font_scale_control(tw)

        frame = ttk.Frame(tw, padding=12)
        frame.pack(fill="both", expand=True)

        txt = ScrolledText(frame, wrap="word", font=("Segoe UI", 10), bg="#FAFAFA")
        txt.pack(fill="both", expand=True, pady=(0, 8))
        txt.insert("1.0", content)
        txt.configure(state="disabled")

        ttk.Button(frame, text="Schliessen", command=tw.destroy).pack(anchor="e")