import os
import smtplib
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from typing import List

from .config import Config


class EmailSender:
    """Класс для отправки email уведомлений"""
    
    def __init__(self, config: Config):
        self.config = config
        
    def send_email(self, subject: str, body: str, attachments: List[str] = None):
        """Отправка email с вложениями"""
        if not all([self.config.EMAIL_HOST, self.config.EMAIL_USER, 
                   self.config.EMAIL_PASSWORD, self.config.EMAIL_FROM]):
            print("Настройки email не заполнены. Отправка email пропущена.")
            return False
            
        try:
            # Создаем сообщение
            msg = MIMEMultipart()
            msg['From'] = self.config.EMAIL_FROM
            msg['To'] = ', '.join(self.config.EMAIL_TO)
            msg['Subject'] = subject
            
            # Добавляем текст сообщения
            msg.attach(MIMEText(body, 'plain', 'utf-8'))
            
            # Добавляем вложения
            if attachments:
                for attachment_path in attachments:
                    if os.path.exists(attachment_path):
                        with open(attachment_path, 'rb') as f:
                            part = MIMEApplication(f.read(), Name=os.path.basename(attachment_path))
                        part['Content-Disposition'] = f'attachment; filename="{os.path.basename(attachment_path)}"'
                        msg.attach(part)
            
            # Подключаемся к SMTP серверу
            with smtplib.SMTP_SSL(self.config.EMAIL_HOST, self.config.EMAIL_PORT) as server:
                server.login(self.config.EMAIL_USER, self.config.EMAIL_PASSWORD)
                server.send_message(msg)
                
            print(f"Email успешно отправлен на {', '.join(self.config.EMAIL_TO)}")
            return True
            
        except Exception as e:
            print(f"Ошибка при отправке email: {e}")
            return False


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