/**
 * Class model for Service Interface
 */

import type {
    ServiceInterface,
    ServiceCapabilitiesInterface,
    ServiceIdentity,
    ServiceLocation
} from "@/types/service";
import { Identity } from './identity';
import { Location } from './location';

export class ServiceObject implements ServiceInterface {

    _data!: ServiceInterface;

    constructor() {
        this._data = {
            '@type': 'documents:service',
            provider: '',
            identifier: null,
            label: null,
            enabled: false,
            capabilities: {}
        };
    }

    fromJson(data: ServiceInterface): ServiceObject {
        this._data = data;
        return this;
    }

    toJson(): ServiceInterface {
        return this._data;
    }

    capable(capability: keyof ServiceCapabilitiesInterface): boolean {
        const value = this._data.capabilities?.[capability];
        return value !== undefined && value !== false;
    }

    capability(capability: keyof ServiceCapabilitiesInterface): any | null {
        if (this._data.capabilities) {
            return this._data.capabilities[capability];
        }
        return null;
    }

    /** Immutable Properties */

    get '@type'(): string {
        return this._data['@type'];
    }

    get provider(): string {
        return this._data.provider;
    }

    get identifier(): string | number | null {
        return this._data.identifier;
    }

    get capabilities(): ServiceCapabilitiesInterface | undefined {
        return this._data.capabilities;
    }

    /** Mutable Properties */

    get label(): string | null {
        return this._data.label;
    }

    set label(value: string | null) {
        this._data.label = value;
    }

    get enabled(): boolean {
        return this._data.enabled;
    }

    set enabled(value: boolean) {
        this._data.enabled = value;
    }

    get location(): ServiceLocation | null {
        return this._data.location ?? null;
    }

    set location(value: ServiceLocation | null) {
        this._data.location = value;
    }

    get identity(): ServiceIdentity | null {
        return this._data.identity ?? null;
    }

    set identity(value: ServiceIdentity | null) {
        this._data.identity = value;
    }

    get auxiliary(): Record<string, any> {
        return this._data.auxiliary ?? {};
    }
    
    set auxiliary(value: Record<string, any>) {
        this._data.auxiliary = value;
    }

    /** Helper Methods */

    /**
     * Get identity as a class instance for easier manipulation
     */
    getIdentity(): Identity | null {
        if (!this._data.identity) return null;
        return Identity.fromJson(this._data.identity);
    }

    /**
     * Get location as a class instance for easier manipulation
     */
    getLocation(): Location | null {
        if (!this._data.location) return null;
        return Location.fromJson(this._data.location);
    }

}