import tkinter as tk
from tkinter import ttk, messagebox
import threading

class MailTab:
    def __init__(self, notebook, mail_client):
        self.mail_client = mail_client

        # Crear el frame de la pestaña dentro del Notebook
        self.frame = ttk.Frame(notebook)
        notebook.add(self.frame, text="Correo")  # ← Ahora esto es correcto

        # Campos de entrada para credenciales
        ttk.Label(self.frame, text="Correo electrónico:").grid(row=0, column=0, sticky="e", padx=5, pady=5)
        self.entry_email = ttk.Entry(self.frame, width=40)
        self.entry_email.grid(row=0, column=1, padx=5, pady=5)

        ttk.Label(self.frame, text="Contraseña:").grid(row=1, column=0, sticky="e", padx=5, pady=5)
        self.entry_password = ttk.Entry(self.frame, show="*", width=40)
        self.entry_password.grid(row=1, column=1, padx=5, pady=5)

        self.login_button = ttk.Button(self.frame, text="Iniciar Sesión", command=self.login)
        self.login_button.grid(row=2, column=1, padx=5, pady=5, sticky="e")

        # Campos para enviar correo
        ttk.Label(self.frame, text="Destinatario:").grid(row=3, column=0, padx=5, pady=5, sticky="e")
        self.recipient_entry = ttk.Entry(self.frame, width=40)
        self.recipient_entry.grid(row=3, column=1, padx=5, pady=5)

        ttk.Label(self.frame, text="Asunto:").grid(row=4, column=0, padx=5, pady=5, sticky="e")
        self.subject_entry = ttk.Entry(self.frame, width=40)
        self.subject_entry.grid(row=4, column=1, padx=5, pady=5)

        ttk.Label(self.frame, text="Mensaje:").grid(row=5, column=0, padx=5, pady=5, sticky="ne")
        self.body_text = tk.Text(self.frame, width=50, height=10)
        self.body_text.grid(row=5, column=1, padx=5, pady=5)

        self.send_button = ttk.Button(self.frame, text="Enviar", command=self.send_email_thread)
        self.send_button.grid(row=6, column=1, padx=5, pady=5, sticky="e")

        # Widgets para recibir correos
        self.receive_button = ttk.Button(self.frame, text="Recibir Correos", command=self.fetch_emails_thread)
        self.receive_button.grid(row=7, column=1, padx=5, pady=5, sticky="e")

        self.emails_listbox = tk.Listbox(self.frame, height=10, width=80)
        self.emails_listbox.grid(row=8, column=0, columnspan=2, padx=5, pady=5)

    def login(self):
        email = self.entry_email.get()
        password = self.entry_password.get()
        result = self.mail_client.login(email, password)
        if result:
            messagebox.showinfo("Inicio de Sesión", "Inicio de sesión exitoso")
        else:
            messagebox.showerror("Error", "Credenciales incorrectas")

    def send_email_thread(self):
        threading.Thread(target=self.send_email).start()

    def send_email(self):
        recipient = self.recipient_entry.get()
        subject = self.subject_entry.get()
        body = self.body_text.get("1.0", tk.END).strip()
        result = self.mail_client.send_email(recipient, subject, body)
        messagebox.showinfo("Resultado", result)

    def fetch_emails_thread(self):
        threading.Thread(target=self.fetch_emails).start()

    def fetch_emails(self):
        try:
            result = self.mail_client.fetch_emails()
            if isinstance(result, list):
                self.emails_listbox.delete(0, tk.END)
                for email in result:
                    self.emails_listbox.insert(tk.END, email[:100])  # Mostrar los primeros 100 caracteres
            else:
                messagebox.showerror("Error", result)
        except Exception as e:
            print(f"Error al recibir correos: {e}")