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"""
Web agent for finding and extracting song lyrics from online sources.
"""

from smolagents import CodeAgent, VisitWebpageTool
from loguru import logger

from config import load_prompt_templates
from tools.search_tools import ThrottledDuckDuckGoSearchTool


def create_web_agent(model):
    """
    Create an agent specialized in web browsing and lyrics extraction.
    
    Args:
        model: The LLM model to use with this agent
        
    Returns:
        A configured CodeAgent for web searches
    """
    # Load prompt templates
    prompt_templates = load_prompt_templates()
    
    # Create the throttled search tool
    throttled_search_tool = ThrottledDuckDuckGoSearchTool(
        min_delay=5.0, 
        max_delay=10.0
    )
    
    # Create and return the agent with specialized lyrics search instructions
    # Customize the prompts to use our specialized lyrics_search_agent prompt
    custom_prompt_templates = prompt_templates.copy()
    
    # Set our special prompt as the system prompt for better instruction
    if 'lyrics_search_agent' in custom_prompt_templates:
        custom_prompt_templates['system_prompt'] = custom_prompt_templates['lyrics_search_agent']
    
    agent = CodeAgent(
        model=model,
        tools=[throttled_search_tool, VisitWebpageTool()],
        name="lyrics_search_agent",
        description="Specialized agent for finding and extracting complete song lyrics",
        additional_authorized_imports=["numpy", "bs4", "json", "re"],
        max_steps=10,  # Hardcoded from config
        verbosity_level=2,  # Hardcoded from config
        prompt_templates=prompt_templates
    )
    
    logger.info("Web agent (lyrics search) created successfully")
    return agent