Display TpLink Tapo power usage values

app/lib/getPower.ts

@@ -0,0 +1,24 @@
+export interface TapoDevice {
+	name: string;
+	ip: string;
+	alias: string;
+	model: string;
+	on: boolean;
+	current_power_w: number;
+	today_energy_wh: number;
+	month_energy_wh: number;
+	today_runtime_min: number;
+	month_runtime_min: number;
+}
+
+export interface PowerData {
+	timestamp: string;
+	devices: TapoDevice[];
+}
+
+export async function getPower(): Promise<PowerData> {
+	const res = await fetch("/api/power");
+	if (res.status === 401) throw new Error("UNAUTHORIZED");
+	if (!res.ok) throw new Error(`Failed to fetch power: ${res.status}`);
+	return res.json() as Promise<PowerData>;
+}