/**
 * This module defines a CompelExtension class. 
 */
import {
    helperFun,
    builder,
    Page
} from "jpc-like-websites";


/**
 * Defines an extension that can be added to the jpclw-framework
 */
export class CompelExtension {
    /**
     * @type {string}
     */
    name;
    /**
     * @type {string}
     */
    diplayTitle;
    /**
     * @type {Array<SStoreDefinition>}
     */
    stylings;
    /**
     * @type {Array<SStoreDefinition>}
     */
    functions;
    /**
     * Predefined components. Usually of a higher (constructed) kind.
     * @type {Object}
     */
    components;
    /**
     * Extensions for/to the Page or the framework in general. 
     * @type {Object}
     */
    frameworkControls;
    /**
     * Additional elements for the builder (likely referencing components)
     * @type {Object}
     */
    builderElements;

    /**
     * Additional helper functions
     * @type {{*:Function}}
     */
    helperFun;

    /**
     * functions that are supposed to be executed after install,
     * to extend it that way.
     * @type {Array<Function>}
     */
    funAfterInstall

    /**
     * 
     * @param {string} name the working name of the extension
     * @param {string} displayTitle the name under wich it will be displayed in the framework panel
     */
    constructor(name = "", displayTitle = "") {
        this.name = name;
        this.displayTitle = displayTitle;
    }

    /**
     * defines how jpc-like-websites is to be extended and executes that extension
     */
    install() {
        if (this.helperFun) {
            helperFun.extensions = Object.assign(helperFun.extensions, this.helperFun);
        }

        if (this.builderElements) {
            builder.extensions = Object.assign(builder.extensions, this.builderElements);
        }

        if (this.frameworkControls) {
            Page.extensions = Object.assign(Page.extensions, this.frameworkControls);
        }

        if (this.stylings) {
            for (const key of Object.keys(this.stylings)) {
                Page.registerStyling(key, this.stylings[key]);
            }
        }

        if (this.funAfterInstall) {
            for (const fun of this.funAfterInstall) {
                fun();
            }
        }
    }
}