from typing import Type, Optional
from pathlib import Path
from agents import Agent, ModelSettings

root_path = Path(__file__).parent
prompt_path = root_path / "prompts"

def build_agent(name: str, system_prompt_file: str, output_type: Optional[Type | str]) -> Agent:
    with open(prompt_path / system_prompt_file, 'r', encoding='utf-8') as f:
        instructions = f.read()
    if output_type is None:
        output_type = str
    return Agent(
        name=name,
        instructions=instructions,
        output_type=output_type,
        model="o3-mini-2025-01-31",  # "o4-mini-2025-04-16",  # "gpt-4.1-2025-04-14",
        # model_settings=ModelSettings(
        #     temperature=0.0,
        # )  # 'temperature' is not supported with o4-mini
    )