import { s } from "../schema.js";
import { DeclarationError, defineInterface } from "../types.js";
// 00-14-22-01-23-45 in the example of the page; the colon is the other common way to write one
const MAC_ADDRESS = /^[0-9A-Fa-f]{2}([-:][0-9A-Fa-f]{2}){5}$/;
/**
 * A device that is switched on by a Wake-on-LAN message, which an Echo of the user sends to the MAC addresses of
 * the capability. The interface has no directive and no property: the device gets TurnOn of Alexa.PowerController,
 * answers with a DeferredResponse, sends the WakeUp event and, when it is up, the Response.
 *
 * Alex2MQTT has no topic yet that takes the WakeUp event to Alexa.
 */
export const WakeOnLANController = defineInterface({
    namespace: "Alexa.WakeOnLANController",
    version: "3",
    doc: "https://developer.amazon.com/docs/alexaplus/device-apis/alexa-wakeonlancontroller.html",
    kind: "controller",
    tier: 2,
    instanced: false,
    properties: {},
    directives: {},
    events: {
        WakeUp: { name: "WakeUp", payload: s.object({}), topic: "response" },
    },
    options: s.object({
        macAddresses: s.array(s.string({ pattern: MAC_ADDRESS, expects: "a MAC address like 00-14-22-01-23-45" }), { min: 1 }),
    }, { unknownKeys: "reject" }),
    // The example has a properties object without fields, which topLevel puts where properties: false left none. A
    // capability declared the 1.x way has no address; check() says so.
    discovery: ({ options: { macAddresses } }) => ({
        properties: false,
        topLevel: { properties: {} },
        ...(macAddresses && { configuration: { MACAddresses: macAddresses } }),
    }),
    validate(capability) {
        const addresses = capability.options.macAddresses.map((address) => address.toUpperCase().replace(/:/g, "-"));
        const twice = addresses.find((address, i) => addresses.indexOf(address) !== i);
        if (twice)
            throw new DeclarationError(capability, `${twice} is listed twice`);
    },
    deferrable: true,
    defers: [{ namespace: "Alexa.PowerController", name: "TurnOn" }],
});