import { CSSResult, customElement, html, LitElement, property, TemplateResult } from "lit-element";
import PFEmptyState from "@patternfly/patternfly/components/EmptyState/empty-state.css";
import PFBase from "@patternfly/patternfly/patternfly-base.css";
import PFTitle from "@patternfly/patternfly/components/Title/title.css";

import { SpinnerSize } from "./Spinner";

@customElement("ak-empty-state")
export class EmptyState extends LitElement {

    @property({type: String})
    icon = "";

    @property({type: Boolean})
    loading = false;

    @property()
    header?: string;

    static get styles(): CSSResult[] {
        return [PFBase, PFEmptyState, PFTitle];
    }

    render(): TemplateResult {
        return html`<div class="pf-c-empty-state">
            <div class="pf-c-empty-state__content">
                ${this.loading ?
                    html`<div class="pf-c-empty-state__icon">
                        <ak-spinner size=${SpinnerSize.XLarge}></ak-spinner>
                    </div>`:
                    html`<i class="pf-icon fa ${this.icon || "fa-question-circle"} pf-c-empty-state__icon" aria-hidden="true"></i>`}
                <h1 class="pf-c-title pf-m-lg">
                    ${this.header}
                </h1>
                <div class="pf-c-empty-state__body">
                    <slot name="body"></slot>
                </div>
                <div class="pf-c-empty-state__primary">
                    <slot name="primary"></slot>
                </div>
            </div>
        </div>`;
    }

}