from smolagents import Tool
from typing import Any, Optional

class SimpleTool(Tool):
    name = "schedule_sleep"
    description = "Creates a sleep schedule based on desired hours."
    inputs = {"hours":{"type":"integer","description":"Number of sleep hours desired (6-9 recommended)"}}
    output_type = "string"

    def forward(self, hours: int) -> str:
        """
        Creates a sleep schedule based on desired hours.
        Args:
            hours: Number of sleep hours desired (6-9 recommended)
        """
        if not 4 <= hours <= 12:
            return "Please provide a reasonable sleep duration (4-12 hours)"

        bedtime = "10:00 PM"
        wake_time = f"{(22 + hours - 24) if (22 + hours) > 24 else (22 + hours)}:00 {'AM' if (22 + hours) <= 24 else 'AM'}"
        return f"For {hours} hours of sleep:\nBedtime: {bedtime}\nWake-up: {wake_time}\nSleep cycles: {hours // 1.5} (approx.)"