from __future__ import annotations
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from ..environment.environment import Environment


class ActivateAbilityTool:
    name = "activate_ability"
    schema = {
        "type": "function",
        "function": {
            "name": "activate_ability",
            "description": "Activate one of your acquired abilities. Each ability has different effects and args.",
            "parameters": {
                "type": "object",
                "properties": {
                    "ability": {
                        "type": "string",
                        "description": "Name of the ability to activate",
                    },
                    "args": {
                        "type": "object",
                        "description": "Arguments for the ability (varies per ability)",
                    },
                },
                "required": ["ability", "args"],
            },
        },
    }

    @staticmethod
    def run(env: Environment, aid: str, args: dict) -> str:
        ability_name = args.get("ability", "")
        ability_args = args.get("args", {})

        agent = env.agents[aid]
        ability = agent.get_ability(ability_name)
        if not ability:
            return f"You don't have the ability '{ability_name}'"

        if not ability.can_use(env.turn):
            return f"Ability '{ability_name}' cannot be used right now (cooldown or no uses left)"

        from ..environment.ability_registry import ABILITY_REGISTRY

        ability_def = ABILITY_REGISTRY.get(ability_name)
        if not ability_def:
            return f"Unknown ability: {ability_name}"

        result = ability_def.handler(env, aid, ability_args)
        ability.use(env.turn)
        return result