tools/destination_preview_tool.py

from typing import Any, Optional
from smolagents.tools import Tool
import random

class GenerateDestinationPreviewTool(Tool):
    name = "generate_destination_preview"
    description = "Generates a vibrant, artistic preview image of a travel destination."
    inputs = {'destination': {'type': 'string', 'description': 'The travel destination to visualize (e.g., "Paris", "Tokyo", "Bali").'}}
    output_type = "string"

    def __init__(self, image_model=None):
        super().__init__()
        self.image_model = image_model  # This would be your actual image generation model
        
        # List of visual styles for variety
        self.styles = [
            "sunrise golden hour", 
            "blue hour twilight", 
            "vibrant daytime", 
            "dramatic sunset", 
            "night lights"
        ]

    def forward(self, destination: str) -> str:
        try:
            # Select a random style for variety
            style = random.choice(self.styles)
            
            # Construct a detailed prompt for the AI model
            prompt = f"A beautiful travel photograph of {destination}, {style}, photorealistic, high-resolution, travel photography, highly detailed landmark view"
            
            # If we have an actual image model, use it
            if self.image_model:
                try:
                    image_url = self.image_model(prompt)
                    return f"Here's a preview of {destination}: {image_url}"
                except Exception as e:
                    return f"Error generating image of {destination}: {str(e)}"
            
            # Fallback for testing (when no image model is available)
            return f"[Image generation placeholder: {prompt}]\n\nIn a real implementation, this would generate an actual image of {destination} featuring {style} lighting."
            
        except Exception as e:
            return f"Error generating preview for {destination}: {str(e)}"