Update app.py

app.py

@@ -4,36 +4,137 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+import smtplib
+import os
+import base64
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from email.mime.image import MIMEImage
 
 from Gradio_UI import GradioUI
 
-# Below is an example of a tool that does nothing. Amaze us with your creativity !
+
+# Aux function to help tools with timezone
+def _get_now_in_timezone(timezone: str) -> datetime.datetime:
+    """Helper: return actual datetime in timezone."""
+    tz = pytz.timezone(timezone)
+    return datetime.datetime.now(tz)
+
+# Tool 1
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def get_current_time_in_timezone(timezone: str) -> str:
+    """Fetches the current local time in a specified timezone.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        timezone: A valid timezone string (e.g., 'Europe/Madrid', 'America/New_York').
     """
-    return "What magic will you build ?"
+    try:
+        now = _get_now_in_timezone(timezone)
+        return f"The current local time in {timezone} is: {now.strftime('%Y-%m-%d %H:%M:%S')}"
+    except Exception as e:
+        return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
+# tool 2
 @tool
-def get_current_time_in_timezone(timezone: str) -> str:
-    """A tool that fetches the current local time in a specified timezone.
+def get_day_of_year(timezone: str) -> str:
+    """Returns what day of the year it currently is in the given timezone,
+    and whether it is New Year's Day (January 1st at midnight).
     Args:
-        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+        timezone: A valid timezone string (e.g., 'Europe/Madrid', 'America/New_York').
     """
     try:
-        # Create timezone object
-        tz = pytz.timezone(timezone)
-        # Get current time in that timezone
-        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
-        return f"The current local time in {timezone} is: {local_time}"
+        now = _get_now_in_timezone(timezone)  # 👈 reutiliza la lógica
+        day_of_year = now.timetuple().tm_yday
+        is_leap = now.year % 4 == 0 and (now.year % 100 != 0 or now.year % 400 == 0)
+        total_days = 366 if is_leap else 365
+        is_new_year_midnight = (now.month == 1 and now.day == 1 and now.hour == 0)
+
+        return (
+            f"In {timezone}: day {day_of_year} of {total_days} "
+            f"({now.strftime('%B %d, %Y %H:%M:%S')}). "
+            f"Is New Year midnight: {is_new_year_midnight}."
+        )
     except Exception as e:
-        return f"Error fetching time for timezone '{timezone}': {str(e)}"
+        return f"Error: {str(e)}"
+
 
+# tool 3
+@tool
+def send_new_year_greeting(
+    recipient_name: str,
+    recipient_email: str,
+    personalized_message: str,
+    timezone: str,
+    image_base64: str = "",
+) -> str:
+    """Sends a personalized New Year's greeting email with an optional AI-generated image.
+    ONLY sends if it is currently January 1st between 00:00 and 00:59 in the given timezone.
+    The agent should first use get_day_of_year to verify the date before calling this.
+
+    Args:
+        recipient_name: Full name of the recipient.
+        recipient_email: Email address of the recipient.
+        personalized_message: Warm, personalized message crafted by the agent for this person.
+        timezone: Timezone to check for New Year's midnight (e.g., 'Europe/Madrid').
+        image_base64: Optional base64-encoded image generated by image_generation_tool to attach.
+    """
+    try:
+        # helper reused to get timezone
+        now = _get_now_in_timezone(timezone) 
+        is_new_year_midnight = (now.month == 1 and now.day == 1 and now.hour == 0)
+
+        if not is_new_year_midnight:
+            return (
+                f"NOT sent. In {timezone} it is {now.strftime('%B %d, %Y %H:%M')} — "
+                f"greetings only go out on January 1st at midnight. "
+                f"Use get_day_of_year to check first!"
+            )
+
+        # email envs vars
+        sender_email = os.environ.get("GREETING_SENDER_EMAIL")
+        sender_password = os.environ.get("GREETING_SENDER_PASS")  
+
+        if not sender_email or not sender_password:
+            return "Missing env vars: GREETING_SENDER_EMAIL and GREETING_SENDER_PASS"
+
+        msg = MIMEMultipart("related")
+        msg["Subject"] = f"Happy New Year {now.year}, {recipient_name}!"
+        msg["From"] = sender_email
+        msg["To"] = recipient_email
+
+        html_body = f"""
+        <html><body style="font-family: Arial, sans-serif; max-width: 600px; margin: auto; padding: 20px;">
+            <h1 style="color: #FFD700; text-align: center;">🎉 Happy New Year {now.year}!</h1>
+            {"<img src='cid:new_year_image' style='width:100%; border-radius:12px; margin-bottom:20px;'/>" if image_base64 else ""}
+            <p>Dear <strong>{recipient_name}</strong>,</p>
+            <p style="font-size: 16px; line-height: 1.6;">{personalized_message}</p>
+            <p style="color: #888; font-size: 12px; text-align:center;">
+                Sent with love <3 · {timezone}
+            </p>
+        </body></html>
+        """
+        msg.attach(MIMEText(html_body, "html"))
+
+        # image if agent generate it
+        if image_base64:
+            img_data = base64.b64decode(image_base64)
+            img = MIMEImage(img_data)
+            img.add_header("Content-ID", "<new_year_image>")
+            msg.attach(img)
+
+        with smtplib.SMTP_SSL("smtp.gmail.com", 465) as server:
+            server.login(sender_email, sender_password)
+            server.sendmail(sender_email, recipient_email, msg.as_string())
+
+        return (
+            f"Greeting sent to {recipient_name} ({recipient_email}) "
+            f"at {now.strftime('%H:%M:%S')} in {timezone}!"
+            f"{' Includes AI-generated image ' if image_base64 else ''}"
+        )
+
+    except Exception as e:
+        return f"Failed: {str(e)}"
 
+        
 final_answer = FinalAnswerTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
@@ -55,7 +156,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, get_day_of_year, send_new_year_greeting, image_generation_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,