from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
from transformers import pipeline

from Gradio_UI import GradioUI

# Web search tool to find trending music
search_tool = DuckDuckGoSearchTool()

# Load the MusicGen model
try:
    pipe = pipeline("text-to-audio", model="facebook/musicgen-small")
except Exception as e:
    print(f"Error loading MusicGen model: {str(e)}")

# Custom tool for AI-assisted music generation
@tool
def generate_music(theme: str) -> str:
    """Generates an AI-assisted music piece based on the given theme.
    Args:
        theme: The theme or mood of the music (e.g., 'moody jazz on a rainy night').
    """
    try:
        if not theme:
            return "Error: Theme cannot be empty!"

        # Generate music using the pipeline
        output = pipe(theme, guidance_scale=1.0)  # Set guidance_scale=1.0 to prevent errors
        
        if not output or not isinstance(output, list) or len(output) == 0:
            return "Music generation failed: No output received from the model."

        # Extract the generated audio file
        audio_url = output[0].get("audio", None)  # Safer way to access audio data

        if audio_url:
            return f"Here’s your AI-generated music for '{theme}': [Click to listen]({audio_url})"
        else:
            return "Music generation failed: No audio URL found."
    
    except Exception as e:
        return f"Error generating music: {str(e)}"
    
# Tool to generate an album cover
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)

# Load prompts
try:
    with open("prompts.yaml", 'r') as stream:
        prompt_templates = yaml.safe_load(stream)
except FileNotFoundError:
    print("Warning: prompts.yaml not found. Using default prompts.")
    prompt_templates = {}

# Define model
model = HfApiModel(
    max_tokens=2096,
    temperature=0.5,
    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
    custom_role_conversions=None,
)

# Initialize agent
final_answer = FinalAnswerTool()
agent = CodeAgent(
    model=model,
    tools=[final_answer, search_tool, generate_music, image_generation_tool],
    max_steps=6,
    verbosity_level=1,
    grammar=None,
    planning_interval=None,
    name="Music Inspiration Agent",
    description="An agent that generates music and album covers based on user themes.",
    prompt_templates=prompt_templates
)


# Launch UI
GradioUI(agent).launch()