import {createInstance} from './src/i18n.js';
import {css, html, LitElement} from 'lit';
import {ScopedElementsMixin} from '@open-wc/scoped-elements';
import * as commonUtils from './utils.js';
import * as commonStyles from './styles.js';
import {
    getIconCSS,
    Icon,
    MiniSpinner,
    Button,
    LoadingButton,
    Spinner,
    InlineNotification,
    Translated,
    Translation,
} from './index.js';



export class DbpCommonDemo extends ScopedElementsMixin(LitElement) {
    constructor() {
        super();
        this._i18n = createInstance();
        this.lang = this._i18n.language;
        this.noAuth = false;
        this.langDir = '';
    }

    static get scopedElements() {
        let elements = {
            'dbp-icon': Icon,
            'dbp-mini-spinner': MiniSpinner,
            'dbp-spinner': Spinner,
            'dbp-button': Button,
            'dbp-loading-button': LoadingButton,
            'dbp-inline-notification': InlineNotification,
            'dbp-translated': Translated,
            'dbp-translation': Translation
        };

        if (customElements.get('dbp-auth')) {
            elements['dbp-auth'] = customElements.get('dbp-auth');
        }

        return elements;
    }

    static get properties() {
        return {
            lang: {type: String},
            noAuth: {type: Boolean, attribute: 'no-auth'},
            langDir: {type: String, attribute: 'lang-dir'},
        };
    }

    connectedCallback() {
        super.connectedCallback();
        this._i18n.changeLanguage(this.lang);

        this.updateComplete.then(() => {});
    }

    static get styles() {
        // language=css
        return css`
            ${commonStyles.getThemeCSS()}

            h1.title {
                margin-bottom: 1em;
            }
            div.container {
                margin-bottom: 1.5em;
            }

            a:hover {
                color: #ffbb00 !important;
                background-color: blue;
            }

            .demoblock {
                position: relative;
                width: 1.1em;
                height: 1.1em;
                display: inline-block;
                padding: 0px 0px 0px 3px;
            }

            /* from BULMA.CSS */
            .section {
                padding: 3rem 1.5rem;
            }
            .content h1 {
                font-size: 2em;
                margin-bottom: 0.5em;
            }
            .content h1,
            .content h2,
            .content h3,
            .content h4,
            .content h5,
            .content h6 {
                color: var(--dbp-content);
                font-weight: 600;
                line-height: 1.125;
            }
            .control:not(:last-child) {
                margin-bottom: 0.5rem;
            }
        `;
    }

    getAuthComponentHtml() {
        return this.noAuth
            ? html``
            : html`
                  <div class="container">
                      <dbp-auth lang="${this.lang}"></dbp-auth>
                  </div>
              `;
    }

    buttonClickHandler(e) {
        // add class to button to end2end test if button was clicked
        e.target.classList.add('button-clicked');

        setTimeout(() => {
            const scopedTagName = this.getScopedTagName('dbp-button');
            this.shadowRoot.querySelector(scopedTagName).stop();
        }, 1000);
    }

    loadingButtonClickHandler(e) {
        let button = e.target;
        button.start();
        setTimeout(() => {
            button.stop();
        }, 1000);
    }

    render() {
        return html`
            <style>
                a:after {
                    ${getIconCSS('envelope')};
                }
            </style>
            <section class="section">
                <div class="content">
                    <h1>Common-Demo</h1>
                </div>
                ${this.getAuthComponentHtml()}
                <div class="content">
                    <h2>Mini Spinner</h2>
                    <div class="control">
                        <dbp-mini-spinner text="Loading..."></dbp-mini-spinner>
                        <dbp-mini-spinner></dbp-mini-spinner>
                        <dbp-mini-spinner style="font-size: 2em"></dbp-mini-spinner>
                        <dbp-mini-spinner style="font-size: 3em"></dbp-mini-spinner>
                    </div>
                </div>
                <div class="content">
                    <h2>Spinner</h2>
                    <div class="control">
                        <dbp-spinner></dbp-spinner>
                    </div>
                </div>
                <div class="content">
                    <h2>Icons</h2>
                    <div class="control">
                        <p style="text-decoration: underline">
                            Foo
                            <dbp-icon name="cloudnetwork"></dbp-icon>
                            bar
                        </p>
                        <p style="font-size: 2em;">
                            Foo
                            <dbp-icon name="cloudnetwork"></dbp-icon>
                            bar
                        </p>
                        <p style="font-size: 2em; color: orange">
                            Foo
                            <dbp-icon name="cloudnetwork"></dbp-icon>
                            bar
                        </p>
                        <span style="background-color: #000">
                            <a href="#" style=" color: #fff">foobar</a>
                        </span>
                        <p style="font-size: 2em; color: orange">
                            Foo
                            <dbp-icon name="information"></dbp-icon>
                            bar
                        </p>
                        <br />

                        ${new Array(100).fill(0).map(
                            (i) =>
                                html`
                                    <dbp-icon
                                        style="color: green; width: 50px; height: 50px; border: #000 solid 1px"
                                        name="happy"></dbp-icon>
                                `
                        )}
                    </div>
                </div>
                <div class="content">
                    <h2>Button</h2>
                    <div class="control">
                        <dbp-button
                            value="Load"
                            @click="${this.buttonClickHandler}"
                            type="is-primary"></dbp-button>

                        <dbp-loading-button
                            @click="${this.loadingButtonClickHandler}"
                            type="is-primary">
                            Loading Button
                        </dbp-loading-button>
                        <dbp-loading-button
                            @click="${this.loadingButtonClickHandler}"
                            type="is-primary"
                            disabled>
                            Loading Button Disabled
                        </dbp-loading-button>
                    </div>
                </div>
                <div class="content">
                    <h2>Theming CSS API</h2>
                    <div class="control">
                        <ul>
                            <!-- TODO -->
                            <!-- old
                            <li><code>--dbp-primary-bg-color</code>: Primary background color <div class="demoblock" style="background-color: var(--dbp-primary-bg-color)"></div></li>
                            <li><code>--dbp-primary-text-color</code>: Primary text color <div class="demoblock" style="background-color: var(--dbp-primary-bg-color); color: var(--dbp-primary-text-color)">X</div></li>
                            <li><code>--dbp-secondary-bg-color</code>: Secondary background color <div class="demoblock" style="background-color: var(--dbp-secondary-bg-color)"></div></li>
                            <li><code>--dbp-secondary-text-color</code>: Secondary text color <div class="demoblock" style="background-color: var(--dbp-secondary-bg-color); color: var(--dbp-secondary-text-color)">X</div></li>
                            <li><code>--dbp-info-bg-color</code>: Info background color <div class="demoblock" style="background-color: var(--dbp-info-bg-color)"></div></li>
                            <li><code>--dbp-info-text-color</code>: Info text color <div class="demoblock" style="background-color: var(--dbp-info-bg-color); color: var(--dbp-info-text-color)">X</div></li>
                            <li><code>--dbp-success-bg-color</code>: Success background color <div class="demoblock" style="background-color: var(--dbp-success-bg-color)"></div></li>
                            <li><code>--dbp-success-text-color</code>: Success text color <div class="demoblock" style="background-color: var(--dbp-success-bg-color); color: var(--dbp-success-text-color)">X</div></li>
                            <li><code>--dbp-warning-bg-color</code>: Warning background color <div class="demoblock" style="background-color: var(--dbp-warning-bg-color)"></div></li>
                            <li><code>--dbp-warning-text-color</code>: Warning text color <div class="demoblock" style="background-color: var(--dbp-warning-bg-color); color: var(--dbp-warning-text-color)">X</div></li>
                            <li><code>--dbp-danger-bg-color</code>: Danger background color <div class="demoblock" style="background-color: var(--dbp-danger-bg-color)"></div></li>
                            <li><code>--dbp-danger-text-color</code>: Danger text color <div class="demoblock" style="background-color: var(--dbp-danger-bg-color); color: var(--dbp-danger-text-color)">X</div></li>

                            <li><code>--dbp-light</code>: Light color <div class="demoblock" style="background-color: var(--dbp-light)"></div></li>
                            <li><code>--dbp-dark</code>: Dark color <div class="demoblock" style="background-color: var(--dbp-dark)"></div></li>
                            <li><code>--dbp-muted-text</code>: Muted text color <div class="demoblock" style="color: var(--dbp-muted-text)">X</div></li>
                            <li><code>--dbp-border-radius</code>: Border-radius <div class="demoblock" style="background-color: var(--dbp-light); border-color: var(--dbp-dark); border-style: solid; border-width: 1px; border-radius: var(--dbp-border-radius)"></div></li>
                            <li><code>--dbp-border-width</code>: Border-width <div class="demoblock" style="background-color: var(--dbp-light); border-color: var(--dbp-dark); border-style: solid; border-width: var(--dbp-border-width); border-radius: 0px;"></div></li>
                            -->
                        </ul>
                    </div>
                </div>
                <div class="content">
                    <h2>Theming CSS Override API</h2>
                    <pre>
&lt;style&gt;
html {
    /* This will override --dbp-primary-surface */
    --dbp-override-primary-surface: green;
    /* Same for all other variables, prefix with "override" */
}
&lt;/style&gt;</pre
                    >
                </div>
                <div class="content">
                    <h2>Inline Notification</h2>
                    <div class="control">
                        <dbp-inline-notification
                            body="Item <b>foo</b> was deleted!"
                            type="primary"></dbp-inline-notification>
                        <br />
                        <dbp-inline-notification
                            summary="Item foo was deleted."></dbp-inline-notification>
                        <br />
                        <dbp-inline-notification
                            summary="Item deleted"
                            body="Item <b>foo</b> was deleted!"
                            type="success"></dbp-inline-notification>
                        <br />
                        <dbp-inline-notification
                            summary="Item deleted"
                            body="Item <b>foo</b> was deleted!"
                            type="danger"></dbp-inline-notification>
                        <br />
                        <dbp-inline-notification
                            summary="Item deleted"
                            body="Item <b>foo</b> was deleted!"
                            type="warning"></dbp-inline-notification>
                    </div>
                </div>
                <div class="content">
                    <h2>Translated text</h2>
                    <div class="control" id="dbp-translated-demo">
                        <dbp-translated subscribe="lang">
                            <div slot="de">
                                Dieser Text ist Deutsch und wird Englisch werden wenn man die
                                Sprache auf Englisch stellt.
                            </div>
                            <div slot="en">
                                This text is English and will be German if the language is changed
                                to German.
                            </div>
                        </dbp-translated>
                    </div>
                    <div class="control" id="dbp-translation-demo">
                        <dbp-translation key="toolkit-showcase" subscribe="lang, lang-dir"></dbp-translation>
                        <dbp-translation key="toolkit-showcase-link" var='{"link1": "https://www.i18next.com/translation-function/interpolation"}' subscribe="lang, lang-dir" unsafe></dbp-translation>
                        <dbp-translation key="abc" subscribe="lang, lang-dir"></dbp-translation>
                    </div>
                </div>
            </section>
        `;
    }
}

commonUtils.defineCustomElement('dbp-common-demo', DbpCommonDemo);