import sdk, { Device, DeviceCreator, DeviceCreatorSettings, DeviceProvider, Readme, ScryptedDeviceBase, ScryptedDeviceType, ScryptedInterface, Setting } from '@scrypted/sdk';
import { AggregateDevice, createAggregateDevice } from './aggregate';

const { deviceManager } = sdk;
export const AggregateCoreNativeId = 'aggregatecore';

export class AggregateCore extends ScryptedDeviceBase implements DeviceProvider, DeviceCreator, Readme {
    aggregate = new Map<string, AggregateDevice>();

    constructor() {
        super(AggregateCoreNativeId);

        this.systemDevice = {
            deviceCreator: 'Device Group',
        };

        for (const nativeId of deviceManager.getNativeIds()) {
            if (nativeId?.startsWith('aggregate:')) {
                const aggregate = createAggregateDevice(nativeId);
                this.aggregate.set(nativeId, aggregate);
                this.reportAggregate(nativeId, aggregate.computeInterfaces(), aggregate.providedName);
            }
        }

        sdk.systemManager.listen((eventSource, eventDetails, eventData) => {
            if (eventDetails.eventInterface === 'Storage') {
                const ids = [...this.aggregate.values()].map(a => a.id);
                if (ids.includes(eventSource.id)) {
                    const aggregate = [...this.aggregate.values()].find(a => a.id === eventSource.id);
                    this.reportAggregate(aggregate.nativeId, aggregate.computeInterfaces(), aggregate.providedName);
                }
            }
        });
    }

    async getReadmeMarkdown(): Promise<string> {
        return "Combine multiple devices into a single virtual device. Commands sent to the device group will be sent to all the devices in that group.";
    }

    async getCreateDeviceSettings(): Promise<Setting[]> {
        return [
            {
                key: 'name',
                title: 'Name',
                description: 'The name or description of the new device group.',
            },
        ]
    }

    async createDevice(settings: DeviceCreatorSettings): Promise<string> {
        const { name } = settings;
        const nativeId = `aggregate:${Math.random()}`;
        await this.reportAggregate(nativeId, [], name?.toString());
        const aggregate = createAggregateDevice(nativeId);
        this.aggregate.set(nativeId, aggregate);
        return nativeId;
    }

    async reportAggregate(nativeId: string, interfaces: string[], name: string) {
        const device: Device = {
            providerNativeId: AggregateCoreNativeId,
            name,
            nativeId,
            type: ScryptedDeviceType.Unknown,
            interfaces: [ScryptedInterface.Settings, ...interfaces],
        }
        await deviceManager.onDeviceDiscovered(device);
    }

    async getDevice(nativeId: string) {
        return this.aggregate.get(nativeId);
    }

    async releaseDevice(id: string, nativeId: string): Promise<void> {
    }
}