scene.tool.ts•2.48 kB
import { z } from "zod";
import { Tool, SceneParams, HassState } from "../types/index.js";
import { APP_CONFIG } from "../config/app.config.ts";
export const sceneTool: Tool = {
name: "scene",
description: "Manage and activate Home Assistant scenes",
parameters: z.object({
action: z
.enum(["list", "activate"])
.describe("Action to perform with scenes"),
scene_id: z
.string()
.optional()
.describe("Scene ID to activate (required for activate action)"),
}),
execute: async (params: SceneParams) => {
try {
if (params.action === "list") {
const response = await fetch(`${APP_CONFIG.HASS_HOST}/api/states`, {
headers: {
Authorization: `Bearer ${APP_CONFIG.HASS_TOKEN}`,
"Content-Type": "application/json",
},
});
if (!response.ok) {
throw new Error(`Failed to fetch scenes: ${response.statusText}`);
}
const states = (await response.json()) as HassState[];
const scenes = states.filter((state) =>
state.entity_id.startsWith("scene."),
);
return {
success: true,
scenes: scenes.map((scene) => ({
entity_id: scene.entity_id,
name:
scene.attributes.friendly_name || scene.entity_id.split(".")[1],
description: scene.attributes.description,
})),
};
} else if (params.action === "activate") {
if (!params.scene_id) {
throw new Error("Scene ID is required for activate action");
}
const response = await fetch(
`${APP_CONFIG.HASS_HOST}/api/services/scene/turn_on`,
{
method: "POST",
headers: {
Authorization: `Bearer ${APP_CONFIG.HASS_TOKEN}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
entity_id: params.scene_id,
}),
},
);
if (!response.ok) {
throw new Error(`Failed to activate scene: ${response.statusText}`);
}
return {
success: true,
message: `Successfully activated scene ${params.scene_id}`,
};
}
throw new Error("Invalid action specified");
} catch (error) {
return {
success: false,
message:
error instanceof Error ? error.message : "Unknown error occurred",
};
}
},
};