# Source: widgets/basic_widget.js

    import Component from "../components/component.js";

    /**
     * This is the base widget for all other widgets.
     *
     * For information on using widgets, see the tutorial {@tutorial widget_basics}.
     */
    class BasicWidget extends Component {
        constructor() {
            super();

            this.attrs = {
                style: ''
            };
            this.classes = [];

            this.children = [];
            this.childPositionCounter = 10;
        }

        child(...components) {
            if (!components) {
                return this;
            }

            super.child(...components);

            for (const component of components) {
                if (component.position === undefined) {
                    component.position = this.childPositionCounter;
                    this.childPositionCounter += 10;
                }
            }

            this.children.sort((a, b) => a.position - b.position);

            return this;
        }

        id(id) {
            this.attrs.id = id;
            return this;
        }

        class(className) {
            this.classes.push(className);
            return this;
        }

        css(name, value) {
            this.attrs.style += `${name}: ${value};`;
            return this;
        }

        contentSized() {
            this.css("contain", "none");

            return this;
        }

        collapsible() {
            this.css('min-height', '0');
            this.css('min-width', '0');
            return this;
        }

        filling() {
            this.css('flex-grow', '1');
            return this;
        }

        /**
         * Accepts a string of CSS to add with the widget.
         * @param {string} block
         * @returns {this} for chaining
         */
        cssBlock(block) {
            this.cssEl = block;
            return this;
        }

        render() {
            this.doRender();

            this.$widget.attr('data-component-id', this.componentId);
            this.$widget
                .addClass('component')
                .prop('component', this);

            if (!this.isEnabled()) {
                this.toggleInt(false);
            }

            if (this.cssEl) {
                const css = this.cssEl.trim().startsWith('<style>') ? this.cssEl : `<style>${this.cssEl}</style>`;

                this.$widget.append(css);
            }

            for (const key in this.attrs) {
                if (key === 'style') {
                    if (this.attrs[key]) {
                        let style = this.$widget.attr('style');
                        style = style ? `${style}; ${this.attrs[key]}` : this.attrs[key];

                        this.$widget.attr(key, style);
                    }
                }
                else {
                    this.$widget.attr(key, this.attrs[key]);
                }
            }

            for (const className of this.classes) {
                this.$widget.addClass(className);
            }

            return this.$widget;
        }

        isEnabled() {
            return true;
        }

        /**
         * Method used for rendering the widget.
         *
         * Your class should override this method.
         * The method is expected to create a this.$widget containing jQuery object
         */
        doRender() {}

        toggleInt(show) {
            this.$widget.toggleClass('hidden-int', !show);
        }

        isHiddenInt() {
            return this.$widget.hasClass('hidden-int');
        }

        toggleExt(show) {
            this.$widget.toggleClass('hidden-ext', !show);
        }

        isHiddenExt() {
            return this.$widget.hasClass('hidden-ext');
        }

        canBeShown() {
            return !this.isHiddenInt() && !this.isHiddenExt();
        }

        isVisible() {
            return this.$widget.is(":visible");
        }

        getPosition() {
            return this.position;
        }

        remove() {
            if (this.$widget) {
                this.$widget.remove();
            }
        }

        getClosestNtxId() {
            if (this.$widget) {
                return this.$widget.closest("[data-ntx-id]").attr("data-ntx-id");
            }
            else {
                return null;
            }
        }

        cleanup() {}
    }

    export default BasicWidget;