"""Service-specific monitoring agents."""

from langgraph.prebuilt import create_react_agent
from custom_tools import get_shell_tool, LogTailTool


def create_mariadb_worker():
    """Create MariaDB analysis agent."""
    return create_react_agent(
        model="openai:gpt-4o-mini",
        tools=[get_shell_tool(), LogTailTool()],
        prompt="""
You are a MariaDB expert. Check config files in /etc/mysql and inspect `/var/log/mysql/*.log` for errors.
Use `mysqladmin status` and other read‑only commands. Use the `tail_log` tool for logs.
""",
        name="mariadb_analyzer"
    )


def create_nginx_worker():
    """Create Nginx analysis agent."""
    return create_react_agent(
        model="openai:gpt-4o-mini",
        tools=[get_shell_tool(), LogTailTool()],
        prompt="""
You are an Nginx expert. Validate configuration with `nginx -t` and inspect access/error logs.
Use the `tail_log` tool for `/var/log/nginx/error.log`.
""",
        name="nginx_analyzer"
    )


def create_phpfpm_worker():
    """Create PHP-FPM analysis agent."""
    return create_react_agent(
        model="openai:gpt-4o-mini",
        tools=[get_shell_tool(), LogTailTool()],
        prompt="""
You are a PHP‑FPM expert. Check `systemctl status php*-fpm` and look for memory leaks or timeouts in the logs.
""",
        name="phpfpm_analyzer"
    )