Calc/main_calc_app.py

"""
Calculadora MAV CAS Híbrida - Aplicación principal
"""
import tkinter as tk
from tkinter import scrolledtext, messagebox, Menu, filedialog
import tkinter.font as tkFont
import json
import os
from pathlib import Path # Added for robust path handling
import threading
from typing import List, Dict, Any, Optional
import re

# Importar componentes del CAS híbrido
from main_evaluation import HybridEvaluationEngine, EvaluationResult
from tl_popup import InteractiveResultManager
from ip4_type import Class_IP4
from hex_type import Class_Hex
from bin_type import Class_Bin
from dec_type import Class_Dec
from chr_type import Class_Chr
import sympy
from sympy_helper import SympyTools as SympyHelper


class HybridCalculatorApp:
    """Aplicación principal del CAS híbrido"""
    
    SETTINGS_FILE = "hybrid_calc_settings.json"
    HISTORY_FILE = "hybrid_calc_history.txt"
    
    HELPERS = [
        Class_IP4.Helper,
        Class_Hex.Helper,
        Class_Bin.Helper,
        Class_Dec.Helper,
        Class_Chr.Helper,
        SympyHelper.Helper,
    ]
    
    def __init__(self, root: tk.Tk):
        self.root = root
        self.root.title("Calculadora MAV - CAS Híbrido")
        
        # Cargar configuración
        self.settings = self._load_settings()
        self.root.geometry(self.settings.get("window_geometry", "1000x700"))
        self.root.configure(bg="#2b2b2b")
        
        # Configurar ícono
        self._setup_icon()
        
        # Componentes principales
        self.engine = HybridEvaluationEngine()
        self.interactive_manager = None  # Se inicializa después de crear widgets
        
        # Estado de la aplicación
        self._debounce_job = None
        self._syncing_yview = False
        self._cached_input_font = None
        self.output_buffer = []
        
        # Crear interfaz
        self.create_widgets()
        self.setup_interactive_manager()
        self.load_history()
        
        # Configurar eventos de cierre
        self.root.protocol("WM_DELETE_WINDOW", self.on_close)
    
    def _setup_icon(self):
        """Configura el ícono de la aplicación"""
        try:
            # Construct path relative to this script file (main_calc_app.py)
            script_dir = Path(__file__).resolve().parent
            icon_path = script_dir / "icon.png"
            
            if not icon_path.is_file():
                print(f"Advertencia: Archivo de ícono no encontrado en '{icon_path}'.")
                # Optionally, set a default Tk icon or simply return
                return

            self.app_icon = tk.PhotoImage(file=str(icon_path))
            self.root.iconphoto(True, self.app_icon)
        except tk.TclError as e:
            # Provide more specific error, including the path and Tkinter's error message
            print(f"Advertencia: No se pudo cargar el ícono desde '{icon_path}'. Error de Tkinter: {e}")
        except Exception as e:
            # Catch other potential errors during icon loading
            print(f"Advertencia: Ocurrió un error inesperado al cargar el ícono desde '{icon_path}': {e}")
    
    def _load_settings(self) -> Dict[str, Any]:
        """Carga configuración de la aplicación"""
        if os.path.exists(self.SETTINGS_FILE):
            try:
                with open(self.SETTINGS_FILE, "r", encoding="utf-8") as f:
                    return json.load(f)
            except (IOError, json.JSONDecodeError):
                return {}
        return {}
    
    def _save_settings(self):
        """Guarda configuración de la aplicación"""
        self.settings["window_geometry"] = self.root.winfo_geometry()
        if hasattr(self, "paned_window"):
            try:
                sash_x_pos = self.paned_window.sash_coord(0)[0]
                self.settings["sash_pos_x"] = sash_x_pos
            except tk.TclError:
                pass
        
        try:
            with open(self.SETTINGS_FILE, "w", encoding="utf-8") as f:
                json.dump(self.settings, f, indent=4)
        except IOError:
            messagebox.showwarning("Error", "No se pudieron guardar los ajustes.")
    
    def create_widgets(self):
        """Crea la interfaz gráfica"""
        # Frame principal
        main_frame = tk.Frame(self.root, bg="#2b2b2b", bd=0)
        main_frame.pack(fill=tk.BOTH, expand=True, padx=0, pady=0)
        
        # Panel dividido
        self.paned_window = tk.PanedWindow(
            main_frame, orient=tk.HORIZONTAL, bg="#2b2b2b",
            sashrelief=tk.FLAT, sashwidth=4, bd=0,
            showhandle=False, opaqueresize=True,
        )
        self.paned_window.pack(fill=tk.BOTH, expand=True, padx=0, pady=0)
        
        # Panel de entrada
        initial_input_width = self.settings.get("sash_pos_x", 450)
        
        self.input_text = scrolledtext.ScrolledText(
            self.paned_window, 
            font=("Consolas", 11), 
            bg="#1e1e1e", 
            fg="#d4d4d4",
            insertbackground="#ffffff", 
            selectbackground="#264f78", 
            undo=True,
            wrap=tk.NONE, 
            borderwidth=0, 
            highlightthickness=0, 
            relief=tk.FLAT,
        )
        self.paned_window.add(
            self.input_text, 
            width=initial_input_width, 
            stretch="always", 
            minsize=200
        )
        
        # Panel de salida
        self.output_text = scrolledtext.ScrolledText(
            self.paned_window, 
            font=("Consolas", 11), 
            bg="#0f0f0f", 
            fg="#00ff00",
            state="disabled", 
            wrap=tk.NONE, 
            borderwidth=0,
            highlightthickness=0, 
            relief=tk.FLAT,
        )
        self.paned_window.add(
            self.output_text, 
            stretch="always", 
            minsize=200
        )
        
        # Configurar eventos
        self.input_text.bind("<KeyRelease>", self.on_key_release)
        self.input_text.bind("<Button-3>", lambda e: self._show_context_menu(e, "input"))
        self.output_text.bind("<Button-3>", lambda e: self._show_context_menu(e, "output"))
        
        # Configurar scroll sincronizado
        self.setup_scroll_sync()
        
        # Configurar tags de salida
        self.setup_output_tags()
        
        # Crear menú
        self.create_menu()
    
    def setup_interactive_manager(self):
        """Configura el gestor de resultados interactivos"""
        self.interactive_manager = InteractiveResultManager(self.root)
    
    def create_menu(self):
        """Crea el menú de la aplicación"""
        menubar = Menu(self.root)
        self.root.config(menu=menubar)
        
        # Menú Archivo
        file_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="Archivo", menu=file_menu)
        file_menu.add_command(label="Nuevo", command=self.new_session)
        file_menu.add_separator()
        file_menu.add_command(label="Cargar...", command=self.load_file)
        file_menu.add_command(label="Guardar como...", command=self.save_file)
        file_menu.add_separator()
        file_menu.add_command(label="Salir", command=self.on_close)
        
        # Menú Editar
        edit_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="Editar", menu=edit_menu)
        edit_menu.add_command(label="Limpiar entrada", command=self.clear_input)
        edit_menu.add_command(label="Limpiar salida", command=self.clear_output)
        edit_menu.add_separator()
        edit_menu.add_command(label="Limpiar variables", command=self.clear_variables)
        edit_menu.add_command(label="Limpiar ecuaciones", command=self.clear_equations)
        edit_menu.add_command(label="Limpiar todo", command=self.clear_all)
        
        # Menú CAS
        cas_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="CAS", menu=cas_menu)
        cas_menu.add_command(label="Mostrar variables", command=self.show_variables)
        cas_menu.add_command(label="Mostrar ecuaciones", command=self.show_equations)
        cas_menu.add_separator()
        cas_menu.add_command(label="Resolver sistema", command=self.solve_system)
        
        # Menú Ayuda
        help_menu = Menu(menubar, tearoff=0)
        menubar.add_cascade(label="Ayuda", menu=help_menu)
        help_menu.add_command(label="Guía rápida", command=self.show_quick_guide)
        help_menu.add_command(label="Sintaxis", command=self.show_syntax_help)
        help_menu.add_command(label="Funciones SymPy", command=self.show_sympy_functions)
        help_menu.add_separator()
        help_menu.add_command(label="Acerca de", command=self.show_about)
    
    def setup_scroll_sync(self):
        """Configura scroll sincronizado entre paneles"""
        def _yscroll_input_command(*args):
            self.input_text.vbar.set(*args)
            if not self._syncing_yview:
                self._syncing_yview = True
                self.output_text.yview_moveto(args[0])
                self._syncing_yview = False
        
        def _yscroll_output_command(*args):
            self.output_text.vbar.set(*args)
            if not self._syncing_yview:
                self._syncing_yview = True
                self.input_text.yview_moveto(args[0])
                self._syncing_yview = False
        
        def _unified_mouse_wheel(event):
            if self._syncing_yview:
                return "break"
            if hasattr(event, "widget") and event.widget:
                event.widget.yview_scroll(int(-1 * (event.delta / 120)), "units")
            return "break"
        
        self.input_text.config(yscrollcommand=_yscroll_input_command)
        self.output_text.config(yscrollcommand=_yscroll_output_command)
        self.input_text.bind("<MouseWheel>", _unified_mouse_wheel)
        self.output_text.bind("<MouseWheel>", _unified_mouse_wheel)
    
    def setup_output_tags(self):
        """Configura tags para coloreado de salida"""
        self.output_text.tag_configure("error", foreground="#ff6b6b", font=("Consolas", 11, "bold"))
        self.output_text.tag_configure("result", foreground="#abdbe3")
        self.output_text.tag_configure("symbolic", foreground="#82aaff")
        self.output_text.tag_configure("numeric", foreground="#c3e88d")
        self.output_text.tag_configure("equation", foreground="#c792ea")
        self.output_text.tag_configure("info", foreground="#ffcb6b")
        self.output_text.tag_configure("comment", foreground="#546e7a")
        self.output_text.tag_configure("type_hint", foreground="#6a6a6a")
        
        # Tags para tipos especializados
        self.output_text.tag_configure("hex", foreground="#f9a825")
        self.output_text.tag_configure("bin", foreground="#4fc3f7")
        self.output_text.tag_configure("ip", foreground="#fff176")
        self.output_text.tag_configure("date", foreground="#ff8a80")
        self.output_text.tag_configure("chr_type", foreground="#80cbc4")
        # Agregar tag para ayuda contextual
        self.output_text.tag_configure("helper", foreground="#ffd700", font=("Consolas", 11, "italic"))
    
    def on_key_release(self, event=None):
        """Maneja eventos de teclado"""
        if self._debounce_job:
            self.root.after_cancel(self._debounce_job)
        
        # Autocompletado con punto
        if event and event.char == '.' and self.input_text.focus_get() == self.input_text:
            self._handle_dot_autocomplete()
        
        # Evaluación con debounce
        self._debounce_job = self.root.after(300, self._evaluate_and_update)
    
    def _handle_dot_autocomplete(self):
        self._close_autocomplete_popup()
        cursor_index_str = self.input_text.index(tk.INSERT)
        line_num_str, char_num_str = cursor_index_str.split('.')
        current_line_num = int(line_num_str)
        char_idx_after_dot = int(char_num_str)
        
        if char_idx_after_dot == 0: # Should not happen if a dot was typed
            print("DEBUG: _handle_dot_autocomplete called with cursor at beginning of line somehow.")
            return
        
        text_before_dot = self.input_text.get(f"{current_line_num}.0", f"{current_line_num}.{char_idx_after_dot - 1}")
        
        # Si no hay nada o solo espacios antes del punto, ofrecer sugerencias globales
        if not text_before_dot.strip():
            print("DEBUG: Dot on empty line or after spaces. Offering global suggestions.")
            suggestions = []
            custom_classes_suggestions = [
                ("Hex", "Tipo Hexadecimal. Ej: Hex[FF]"),
                ("Bin", "Tipo Binario. Ej: Bin[1010]"),
                ("Dec", "Tipo Decimal. Ej: Dec[42]"),
                ("IP4", "Tipo Dirección IPv4. Ej: IP4[1.2.3.4/24]"),
                ("Chr", "Tipo Carácter. Ej: Chr[A]"),
            ]
            suggestions.extend(custom_classes_suggestions)
            
            try:
                sympy_functions = SympyHelper.PopupFunctionList()
                if sympy_functions:
                    suggestions.extend(sympy_functions)
            except Exception as e:
                print(f"DEBUG: Error calling SympyHelper.PopupFunctionList() for global: {e}")
            
            if suggestions:
                self._show_autocomplete_popup(suggestions, is_global_popup=True)
            return

        # Si hay texto antes del punto, es para autocompletado de métodos de un objeto
        obj_expr_str = text_before_dot.strip()
        print(f"DEBUG: Autocomplete triggered for object. Expression: '{obj_expr_str}'")

        if not obj_expr_str:
            # Esto no debería ocurrir si la lógica anterior para popup global es correcta
            print("DEBUG: Object expression is empty. No autocomplete.")
            return

        # Caso especial para el módulo sympy
        if obj_expr_str == "sympy":
            print(f"DEBUG: Detected 'sympy.', using SympyHelper for suggestions.")
            try:
                methods = SympyHelper.PopupFunctionList()
                if methods:
                    self._show_autocomplete_popup(methods, is_global_popup=False)
                else:
                    print(f"DEBUG: SympyHelper.PopupFunctionList returned no methods.")
            except Exception as e:
                print(f"DEBUG: Error calling SympyHelper.PopupFunctionList(): {e}")
            return

        # Preprocesar para convertir sintaxis de corchetes a llamada de clase
        # Ejemplo: Hex[FF] -> Hex('FF')
        bracket_match = re.match(r"([A-Za-z_][A-Za-z0-9_]*)\[(.*)\]$", obj_expr_str)
        if bracket_match:
            class_name, arg = bracket_match.groups()
            if arg.isdigit():
                obj_expr_str = f"{class_name}({arg})"
            else:
                obj_expr_str = f"{class_name}('{arg}')"
            print(f"DEBUG: Preprocessed bracket syntax to: '{obj_expr_str}'")

        eval_context = self.engine._get_full_context() if hasattr(self.engine, '_get_full_context') else {}
        obj = None
        try:
            print(f"DEBUG: Attempting to eval: '{obj_expr_str}'")
            obj = eval(obj_expr_str, eval_context)
            print(f"DEBUG: Eval successful. Object: {type(obj)}, Value: {obj}")
        except Exception as e:
            print(f"DEBUG: Error evaluating object expression '{obj_expr_str}': {e}")
            return

        if obj is not None and hasattr(obj, 'PopupFunctionList'):
            methods = obj.PopupFunctionList()
            if methods:
                self._show_autocomplete_popup(methods, is_global_popup=False)

    def _show_autocomplete_popup(self, suggestions, is_global_popup=False):
        # suggestions: lista de tuplas (nombre, hint)
        cursor_bbox = self.input_text.bbox(tk.INSERT)
        if not cursor_bbox:
            return
        x, y, _, height = cursor_bbox
        popup_x = self.input_text.winfo_rootx() + x
        popup_y = self.input_text.winfo_rooty() + y + height + 2
        self._autocomplete_popup = tk.Toplevel(self.root)
        self._autocomplete_popup.wm_overrideredirect(True)
        self._autocomplete_popup.wm_geometry(f"+{popup_x}+{popup_y}")
        self._autocomplete_popup.attributes('-topmost', True)
        self.root.after(100, lambda: self._autocomplete_popup.attributes('-topmost', False) if self._autocomplete_popup else None)
        self._autocomplete_listbox = tk.Listbox(
            self._autocomplete_popup, bg="#3c3f41", fg="#bbbbbb",
            selectbackground="#007acc", selectforeground="white",
            borderwidth=1, relief="solid", exportselection=False, activestyle="none"
        )
        for name, hint in suggestions:
            self._autocomplete_listbox.insert(tk.END, f"{name}    — {hint}")
        if suggestions:
            self._autocomplete_listbox.select_set(0)
            self._autocomplete_listbox.pack(expand=True, fill=tk.BOTH)
            self._autocomplete_listbox.bind("<Return>", self._on_autocomplete_select)
            self._autocomplete_listbox.bind("<Tab>", self._on_autocomplete_select) 
            self._autocomplete_listbox.bind("<Escape>", lambda e: self._close_autocomplete_popup())
            self._autocomplete_listbox.bind("<Double-Button-1>", lambda e, g=is_global_popup: self._on_autocomplete_select(e, is_global=g))
            self._autocomplete_listbox.focus_set()
            self._autocomplete_listbox.bind("<Up>", lambda e: self._navigate_autocomplete(e, -1))
            self._autocomplete_listbox.bind("<Down>", lambda e: self._navigate_autocomplete(e, 1))

            # self.input_text.bind("<FocusOut>", lambda e: self._close_autocomplete_popup(), add=True) # Removed: Caused popup to close immediately
            self.input_text.bind("<Button-1>", lambda e: self._close_autocomplete_popup(), add=True)
            self.root.bind("<Button-1>", lambda e: self._close_autocomplete_popup(), add=True)
            # self.input_text.bind("<Key>", lambda e: self._close_autocomplete_popup(), add=True) # Removed: Too aggressive
            
            # Pasar el flag is_global_popup a los bindings que llaman a _on_autocomplete_select
            self._autocomplete_listbox.bind("<Return>", lambda e, g=is_global_popup: self._on_autocomplete_select(e, is_global=g))
            self._autocomplete_listbox.bind("<Tab>", lambda e, g=is_global_popup: self._on_autocomplete_select(e, is_global=g))

            max_len = max(len(name) for name, _ in suggestions) if suggestions else 10
            width = max(15, min(max_len + 10, 50))
            height = min(len(suggestions), 10)
            # Calcular el ancho basado en el texto completo que se muestra en el listbox
            full_text_suggestions = [f"{name}    — {hint}" for name, hint in suggestions]
            max_full_len = max(len(text) for text in full_text_suggestions) if full_text_suggestions else 20
            width = max(20, min(max_full_len + 5, 80)) # Ajustar el +5 y el límite 80 según sea necesario
            self._autocomplete_listbox.config(width=width, height=height)
        else:
            self._close_autocomplete_popup()

    def _navigate_autocomplete(self, event, direction):
        if not hasattr(self, '_autocomplete_listbox') or not self._autocomplete_listbox:
            return "break"
        current_selection = self._autocomplete_listbox.curselection()
        if not current_selection:
            new_idx = 0 if direction == 1 else self._autocomplete_listbox.size() -1
        else:
            idx = current_selection[0]
            new_idx = idx + direction
        if 0 <= new_idx < self._autocomplete_listbox.size():
            if current_selection:
                self._autocomplete_listbox.select_clear(current_selection[0])
            self._autocomplete_listbox.select_set(new_idx)
            self._autocomplete_listbox.activate(new_idx)
            self._autocomplete_listbox.see(new_idx)
        return "break"

    def _on_autocomplete_select(self, event, is_global=False):
        if not hasattr(self, '_autocomplete_listbox') or not self._autocomplete_listbox:
            return "break"
        selection = self._autocomplete_listbox.curselection()
        if not selection:
            self._close_autocomplete_popup()
            return "break"
        
        selected_text_with_hint = self._autocomplete_listbox.get(selection[0])
        # Extraer solo el nombre del ítem, antes de "    —"
        item_name = selected_text_with_hint.split("    —")[0].strip()

        if is_global:
            # Eliminar el punto que activó el popup y luego insertar el nombre
            cursor_pos_str = self.input_text.index(tk.INSERT) # Posición actual (después del punto)
            line_num, char_num = map(int, cursor_pos_str.split('.'))
            
            # El punto está en char_num - 1 en la línea actual
            dot_pos_on_line = char_num - 1
            dot_index_str = f"{line_num}.{dot_pos_on_line}"
            
            self.input_text.delete(dot_index_str)
            
            # Insertar el nombre de la función/clase seguido de "()"
            insert_text = item_name + "()"
            self.input_text.insert(dot_index_str, insert_text)
            # Colocar cursor dentro de los paréntesis: después del nombre y el '('
            self.input_text.mark_set(tk.INSERT, f"{dot_index_str}+{len(item_name)+1}c")
        else:
            # Comportamiento existente para métodos de objeto
            self.input_text.insert(tk.INSERT, item_name + "()")
            self.input_text.mark_set(tk.INSERT, f"{tk.INSERT}-1c")  # Cursor dentro de los paréntesis
        
        self._close_autocomplete_popup()
        self.input_text.focus_set()
        self.on_key_release()  # Trigger re-evaluation
        return "break"

    def _close_autocomplete_popup(self):
        if hasattr(self, '_autocomplete_popup') and self._autocomplete_popup:
            self._autocomplete_popup.destroy()
            self._autocomplete_popup = None
            # Consider unbinding the Button-1 events if they were stored with IDs,
            # for now, their guard condition `if self._autocomplete_popup:` handles multiple calls.
            # Example of how to unbind if IDs were stored:
            # if hasattr(self, '_input_text_b1_bind_id'):
            #     self.input_text.unbind("<Button-1>", self._input_text_b1_bind_id)
            #     del self._input_text_b1_bind_id
            # if hasattr(self, '_root_b1_bind_id'):
            #     self.root.unbind("<Button-1>", self._root_b1_bind_id)
            #     del self._root_b1_bind_id

        if hasattr(self, '_autocomplete_listbox') and self._autocomplete_listbox:
            self._autocomplete_listbox = None
    
    def _evaluate_and_update(self):
        """Evalúa todas las líneas y actualiza la salida"""
        try:
            input_content = self.input_text.get("1.0", tk.END)
            if not input_content.strip():
                self._clear_output()
                return
            
            lines = input_content.splitlines()
            self._evaluate_lines(lines)
            
        except Exception as e:
            self._show_error(f"Error durante evaluación: {e}")
    
    def _evaluate_lines(self, lines: List[str]):
        """Evalúa múltiples líneas de código"""
        output_data = []
        
        for line_num, line in enumerate(lines, 1):
            line = line.strip()
            
            # Líneas vacías o comentarios
            if not line or line.startswith('#'):
                if line:
                    output_data.append([("comment", line)])
                else:
                    output_data.append([("", "")])
                continue
            
            # Evaluar línea
            result = self.engine.evaluate_line(line)
            line_output = self._process_evaluation_result(result)
            output_data.append(line_output)
        
        self._display_output(output_data)
    
    def _process_evaluation_result(self, result: EvaluationResult) -> List[tuple]:
        """Procesa el resultado de evaluación para display"""
        output_parts = []
        
        if result.is_error:
            ayuda = self.obtener_ayuda(result.original_line)
            if ayuda:
                # Mostrar ayuda en un solo renglón, truncando si es necesario
                ayuda_linea = ayuda.replace("\n", " ").replace("\r", " ")
                if len(ayuda_linea) > 120:
                    ayuda_linea = ayuda_linea[:117] + "..."
                output_parts.append(("helper", ayuda_linea))
            else:
                output_parts.append(("error", f"Error: {result.error}"))
        elif result.result_type == "comment":
            output_parts.append(("comment", result.original_line))
        elif result.result_type == "equation_added":
            output_parts.append(("equation", result.symbolic_result))
        elif result.result_type == "assignment":
            output_parts.append(("info", result.symbolic_result))
        else:
            # Resultado normal
            if result.result is not None:
                # Determinar tag basado en tipo
                tag = self._get_result_tag(result.result)
                
                # Verificar si es resultado interactivo
                if self.interactive_manager and result.is_interactive:
                    interactive_tag, display_text = self.interactive_manager.create_interactive_tag(result.result, self.output_text, "1.0")
                    if interactive_tag:
                        output_parts.append((interactive_tag, display_text))
                    else:
                        output_parts.append((tag, str(result.result)))
                else:
                    output_parts.append((tag, str(result.result)))
                
                # Mostrar evaluación numérica si existe
                if result.numeric_result is not None and result.numeric_result != result.result:
                    output_parts.append(("numeric", f" ≈ {result.numeric_result}"))
                
                # Mostrar información adicional
                if result.info:
                    output_parts.append(("info", f" ({result.info})"))
        
        return output_parts
    
    def _get_result_tag(self, result: Any) -> str:
        """Determina el tag de color para un resultado"""
        if isinstance(result, Class_Hex):
            return "hex"
        elif isinstance(result, Class_Bin):
            return "bin" 
        elif isinstance(result, Class_IP4):
            return "ip"
        elif isinstance(result, Class_Chr):
            return "chr_type"
        elif isinstance(result, sympy.Basic):
            return "symbolic"
        else:
            return "result"
    
    def _display_output(self, output_data: List[List[tuple]]):
        """Muestra los datos de salida en el widget"""
        self.output_text.config(state="normal")
        self.output_text.delete("1.0", tk.END)
        
        for line_idx, line_parts in enumerate(output_data):
            # Línea vacía
            if not line_parts or (len(line_parts) == 1 and line_parts[0][0] == "" and line_parts[0][1] == ""):
                pass
            else:
                # Mostrar partes de la línea
                first_part = True
                for tag, content in line_parts:
                    if not first_part and content:
                        self.output_text.insert(tk.END, " ; ")
                    
                    if content:
                        self.output_text.insert(tk.END, str(content), tag)
                        first_part = False
            
            # Añadir nueva línea excepto para la última línea
            if line_idx < len(output_data) - 1:
                self.output_text.insert(tk.END, "\n")
        
        self.output_text.config(state="disabled")
    
    def _clear_output(self):
        """Limpia el panel de salida"""
        self.output_text.config(state="normal")
        self.output_text.delete("1.0", tk.END)
        self.output_text.config(state="disabled")
    
    def _show_error(self, error_msg: str):
        """Muestra un error en el panel de salida"""
        self.output_text.config(state="normal")
        self.output_text.delete("1.0", tk.END)
        self.output_text.insert("1.0", error_msg, "error")
        self.output_text.config(state="disabled")
    
    def _show_context_menu(self, event, panel_type: str):
        """Muestra menú contextual"""
        context_menu = Menu(
            self.root, tearoff=0, bg="#3c3c3c", fg="white",
            activebackground="#007acc", activeforeground="white",
            relief=tk.FLAT, bd=1,
        )
        
        if panel_type == "input":
            context_menu.add_command(label="Cortar", command=lambda: self.input_text.event_generate("<<Cut>>"))
            context_menu.add_command(label="Copiar", command=lambda: self.input_text.event_generate("<<Copy>>"))
            context_menu.add_command(label="Pegar", command=lambda: self.input_text.event_generate("<<Paste>>"))
            context_menu.add_separator()
            context_menu.add_command(label="Limpiar entrada", command=self.clear_input)
            context_menu.add_separator()
            context_menu.add_command(label="Insertar ejemplo", command=self.insert_example)
        elif panel_type == "output":
            context_menu.add_command(label="Copiar todo", command=self.copy_output)
            context_menu.add_command(label="Limpiar salida", command=self.clear_output)
        
        context_menu.add_separator()
        context_menu.add_command(label="Ayuda", command=self.show_quick_guide)
        
        try:
            context_menu.tk_popup(event.x_root, event.y_root)
        finally:
            context_menu.grab_release()
    
    # Métodos de menú y comandos
    def new_session(self):
        """Inicia nueva sesión"""
        self.clear_input()
        self.clear_output()
        self.engine.clear_all()
    
    def load_file(self):
        """Carga archivo en el editor"""
        filepath = filedialog.askopenfilename(
            title="Cargar archivo",
            filetypes=[
                ("Archivos de texto", "*.txt"),
                ("Archivos Python", "*.py"), 
                ("Todos los archivos", "*.*")
            ]
        )
        
        if filepath:
            try:
                with open(filepath, "r", encoding="utf-8") as f:
                    content = f.read()
                
                self.input_text.delete("1.0", tk.END)
                self.input_text.insert("1.0", content)
                self._evaluate_and_update()
                
            except Exception as e:
                messagebox.showerror("Error", f"No se pudo cargar el archivo:\n{e}")
    
    def save_file(self):
        """Guarda contenido del editor"""
        filepath = filedialog.asksaveasfilename(
            title="Guardar archivo",
            defaultextension=".txt",
            filetypes=[
                ("Archivos de texto", "*.txt"),
                ("Archivos Python", "*.py"),
                ("Todos los archivos", "*.*")
            ]
        )
        
        if filepath:
            try:
                content = self.input_text.get("1.0", tk.END)
                with open(filepath, "w", encoding="utf-8") as f:
                    f.write(content)
                
                messagebox.showinfo("Éxito", "Archivo guardado correctamente.")
                
            except Exception as e:
                messagebox.showerror("Error", f"No se pudo guardar el archivo:\n{e}")
    
    def clear_input(self):
        """Limpia panel de entrada"""
        self.input_text.delete("1.0", tk.END)
        self._clear_output()
    
    def clear_output(self):
        """Limpia panel de salida"""
        self._clear_output()
    
    def clear_variables(self):
        """Limpia variables del motor"""
        self.engine.clear_variables()
        self._evaluate_and_update()
    
    def clear_equations(self):
        """Limpia ecuaciones del motor"""
        self.engine.clear_equations()
        self._evaluate_and_update()
    
    def clear_all(self):
        """Limpia variables y ecuaciones"""
        self.engine.clear_all()
        self._evaluate_and_update()
    
    def copy_output(self):
        """Copia contenido de salida al clipboard"""
        content = self.output_text.get("1.0", tk.END).strip()
        if content:
            self.root.clipboard_clear()
            self.root.clipboard_append(content)
    
    def insert_example(self):
        """Inserta código de ejemplo"""
        example = """# Calculadora MAV - CAS Híbrido
# Sintaxis nueva con corchetes

# Tipos especializados
Hex[FF] + 1
IP4[192.168.1.100/24].NetworkAddress[]
Bin[1010] * 2

# Matemáticas simbólicas
x + 2*y
diff(x**2 + sin(x), x)
integrate(x**2, x)

# Ecuaciones (detección automática)
x**2 + 2*x - 8 = 0
3*a + b = 10

# Resolver ecuaciones
solve(x**2 + 2*x - 8, x)
a=?

# Variables automáticas
z = 5
w = z**2 + 3

# Plotting interactivo
plot(sin(x), (x, -2*pi, 2*pi))

# Matrices
Matrix([[1, 2], [3, 4]])
"""
        self.input_text.delete("1.0", tk.END)
        self.input_text.insert("1.0", example)
        self._evaluate_and_update()
    
    def show_variables(self):
        """Muestra ventana con variables definidas"""
        variables = self.engine.symbol_table
        
        window = tk.Toplevel(self.root)
        window.title("Variables Definidas")
        window.geometry("500x400")
        window.configure(bg="#2b2b2b")
        
        text_widget = scrolledtext.ScrolledText(
            window,
            font=("Consolas", 11),
            bg="#1e1e1e",
            fg="#d4d4d4"
        )
        text_widget.pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
        
        if variables:
            content = "Variables definidas:\n\n"
            for name, value in variables.items():
                content += f"{name} = {value}\n"
        else:
            content = "No hay variables definidas."
        
        text_widget.insert("1.0", content)
        text_widget.config(state="disabled")
    
    def show_equations(self):
        """Muestra ventana con ecuaciones definidas"""
        equations = self.engine.equations
        
        window = tk.Toplevel(self.root)
        window.title("Ecuaciones Definidas")
        window.geometry("500x400")
        window.configure(bg="#2b2b2b")
        
        text_widget = scrolledtext.ScrolledText(
            window,
            font=("Consolas", 11),
            bg="#1e1e1e",
            fg="#d4d4d4"
        )
        text_widget.pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
        
        if equations:
            content = "Ecuaciones en el sistema:\n\n"
            for i, eq in enumerate(equations, 1):
                content += f"{i}. {eq}\n"
        else:
            content = "No hay ecuaciones en el sistema."
        
        text_widget.insert("1.0", content)
        text_widget.config(state="disabled")
    
    def solve_system(self):
        """Resuelve el sistema de ecuaciones"""
        try:
            if not self.engine.equations:
                messagebox.showinfo("Info", "No hay ecuaciones para resolver.")
                return
            
            solutions = self.engine.solve_system()
            
            window = tk.Toplevel(self.root)
            window.title("Soluciones del Sistema")
            window.geometry("500x400")
            window.configure(bg="#2b2b2b")
            
            text_widget = scrolledtext.ScrolledText(
                window,
                font=("Consolas", 11),
                bg="#1e1e1e",
                fg="#d4d4d4"
            )
            text_widget.pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
            
            content = "Soluciones del sistema:\n\n"
            if isinstance(solutions, dict):
                for var, value in solutions.items():
                    content += f"{var} = {value}\n"
            else:
                content += str(solutions)
            
            text_widget.insert("1.0", content)
            text_widget.config(state="disabled")
            
        except Exception as e:
            messagebox.showerror("Error", f"Error resolviendo sistema:\n{e}")
    
    def show_quick_guide(self):
        """Muestra guía rápida"""
        guide = """# Calculadora MAV - CAS Híbrido

## Sintaxis Nueva con Corchetes
- IP4[192.168.1.1/24] en lugar de IP4("192.168.1.1/24")
- Hex[FF], Bin[1010], Dec[10.5], Chr[A]

## Ecuaciones Automáticas
- x**2 + 2*x = 8  (detectado automáticamente)
- a + b = 10      (agregado al sistema)
- variable=?      (atajo para solve(variable))

## Funciones SymPy Disponibles
- solve(), diff(), integrate(), limit(), series()
- sin(), cos(), tan(), exp(), log(), sqrt()
- Matrix(), plot(), plot3d()

## Resultados Interactivos
- 📊 Ver Plot     (click para ventana matplotlib)
- 📋 Ver Matriz   (click para vista expandida)
- 📋 Ver Lista    (click para contenido completo)

## Variables Automáticas
- Todas las variables son símbolos SymPy
- x = 5 crea Symbol('x') con valor 5
- Evaluación simbólica + numérica automática
"""
        
        self._show_help_window("Guía Rápida", guide)
    
    def show_syntax_help(self):
        """Muestra ayuda de sintaxis"""
        syntax = """# Sintaxis del CAS Híbrido

## Clases Especializadas (solo corchetes)
IP4[dirección/prefijo]    # IP4[192.168.1.1/24]
Hex[valor]                # Hex[FF], Hex[255]
Bin[valor]                # Bin[1010], Bin[10]
Dec[valor]                # Dec[10.5], Dec[10]
Chr[carácter]             # Chr[A], Chr[Hello]

## Métodos Disponibles
IP4[...].NetworkAddress[]
IP4[...].BroadcastAddress[]
IP4[...].Nodes()
Hex[...].toDecimal()

## Ecuaciones (detección automática)
expresión = expresión     # Ecuación simple
expresión == expresión    # Igualdad SymPy
expresión > expresión     # Desigualdad SymPy

## Resolver
solve(ecuación, variable)
variable=?               # Atajo para solve(variable)

## Variables SymPy Puras
x = valor               # Crea Symbol('x')
expresión               # Evaluación simbólica automática
"""
        
        self._show_help_window("Sintaxis", syntax)
    
    def show_sympy_functions(self):
        """Muestra funciones SymPy disponibles"""
        functions = """# Funciones SymPy Disponibles

## Matemáticas Básicas
sin(x), cos(x), tan(x)
asin(x), acos(x), atan(x)
sinh(x), cosh(x), tanh(x)
exp(x), log(x), sqrt(x)
abs(x), sign(x), factorial(x)

## Cálculo
diff(expr, var)          # Derivada
integrate(expr, var)     # Integral indefinida
integrate(expr, (var, a, b))  # Integral definida
limit(expr, var, punto)  # Límite
series(expr, var, punto, n)   # Serie de Taylor

## Álgebra
solve(ecuación, variable)
simplify(expr), expand(expr)
factor(expr), collect(expr, var)
cancel(expr), apart(expr, var)

## Álgebra Lineal
Matrix([[a, b], [c, d]])
det(matrix), inv(matrix)

## Plotting
plot(expr, (var, inicio, fin))
plot3d(expr, (x, x1, x2), (y, y1, y2))

## Constantes
pi, E, I (imaginario), oo (infinito)
"""
        
        self._show_help_window("Funciones SymPy", functions)
    
    def show_about(self):
        """Muestra información sobre la aplicación"""
        about = """Calculadora MAV - CAS Híbrido

Versión: 2.0
Motor: SymPy + Clases Especializadas

Características:
• Motor algebraico completo (SymPy)
• Sintaxis simplificada con corchetes
• Detección automática de ecuaciones
• Resultados interactivos clickeables
• Tipos especializados (IP4, Hex, Bin, etc.)
• Variables SymPy puras
• Plotting integrado

Desarrollado para cálculo matemático avanzado
con soporte especializado para redes, 
programación y análisis numérico.
"""
        
        messagebox.showinfo("Acerca de", about)
    
    def _show_help_window(self, title: str, content: str):
        """Muestra ventana de ayuda"""
        window = tk.Toplevel(self.root)
        window.title(title)
        window.geometry("700x500")
        window.configure(bg="#2b2b2b")
        
        text_widget = scrolledtext.ScrolledText(
            window,
            font=("Consolas", 10),
            bg="#1e1e1e",
            fg="#d4d4d4",
            wrap=tk.WORD
        )
        text_widget.pack(fill=tk.BOTH, expand=True, padx=10, pady=10)
        
        text_widget.insert("1.0", content)
        text_widget.config(state="disabled")
    
    def load_history(self):
        """Carga historial de entrada"""
        try:
            if os.path.exists(self.HISTORY_FILE):
                with open(self.HISTORY_FILE, "r", encoding="utf-8") as f:
                    content = f.read()
                
                if content.strip():
                    self.input_text.insert("1.0", content)
                    self.root.after_idle(self._evaluate_and_update)
                    return
        except Exception as e:
            print(f"Error cargando historial: {e}")
        
        # Cargar ejemplo por defecto si no hay historial
        self.insert_example()
    
    def save_history(self):
        """Guarda historial de entrada"""
        try:
            content = self.input_text.get("1.0", tk.END).rstrip("\n")
            if content:
                with open(self.HISTORY_FILE, "w", encoding="utf-8") as f:
                    f.write(content)
            elif os.path.exists(self.HISTORY_FILE):
                os.remove(self.HISTORY_FILE)
        except Exception as e:
            print(f"Error guardando historial: {e}")
    
    def on_close(self):
        """Maneja cierre de la aplicación"""
        self.save_history()
        self._save_settings()
        
        if self.interactive_manager:
            self.interactive_manager.close_all_windows()
        
        self.root.destroy()

    def obtener_ayuda(self, input_str):
        for helper in self.HELPERS:
            ayuda = helper(input_str)
            if ayuda:
                return ayuda
        return None


def main():
    """Función principal"""
    root = tk.Tk()
    app = HybridCalculatorApp(root)
    
    try:
        root.iconname("Calculadora MAV CAS")
    except tk.TclError:
        pass
    
    root.mainloop()


if __name__ == "__main__":
    main()