import { LitElement, html, css, type TemplateResult } from 'lit';
import { customElement } from 'lit/decorators.js';
import { property } from 'lit/decorators/property.js';

import { delayFor } from '@push.rocks/smartdelay';

@customElement('consentsoftware-toggle')
export class ConsentsoftwareToggle extends LitElement {
  public static demo = () => html`<consentsoftware-toggle></consentsoftware-toggle>`;

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

  @property({ type: Boolean, reflect: true })
  public selected = false;

  public static styles = css`
    :host {
      display: block;
      position: relative;
    }

    .label {
      margin-bottom: 16px;
    }

    .toggleKnobArea {
      cursor: pointer;
      margin: auto;
      height: 30px;
      width: 60px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
      transition: all 0.2s;
      border: 1px solid rgba(255, 255, 255, 0);
    }

    :host([selected]) .toggleKnobArea {
      background: green;
    }

    .toggleKnobMover {
      transition: all 0.2s;
    }

    .toggleKnobInner {
      height: 30px;
      width: 30px;
      border-radius: 15px;
      background: rgba(255, 255, 255, 0.5);
      position: absolute;
      top: 0;
      left: 0;
      transition: all 0.2s;
      transform: scale(0.7);
    }

    :host([selected]) .toggleKnobInner {
      background: white;
    }

    :host([required]) .toggleKnobArea {
      background: none;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    :host([required]) .toggleKnobInner {
      background: rgba(255, 255, 255, 0.1);
    }
  `;

  constructor() {
    super();
  }

  public render(): TemplateResult {
    return html`
      <div class="label">${this.getText()}</div>
      <div class="toggle" @click=${this.handleClick}>
        <div class="toggleKnobArea">
          <div class="toggleKnobMover">
            <div class="toggleKnobInner"></div>
          </div>
        </div>
      </div>
    `;
  }

  public async firstUpdated(_changedProperties: Map<string | number | symbol, unknown>) {
    super.firstUpdated(_changedProperties);
    if (this.required) {
      this.selected = true;
      this.syncSelection();
    }
  }

  public async handleClick(mouseEvent) {
    if (this.required) {
      const moverElement: HTMLDivElement = this.shadowRoot.querySelector('.toggleKnobMover');
      moverElement.style.transform = 'translateX(20px)';
      await delayFor(250);
      moverElement.style.transform = 'translateX(30px)';
      return;
    }
    this.selected = !this.selected;
    mouseEvent.stopPropagation();
    mouseEvent.preventDefault();
    this.syncSelection();
    this.dispatchEvent(new CustomEvent('toggle', { detail: { selected: this.selected } }));
  }

  public async syncSelection() {
    console.log(`Selected ${this.selected}`);
    const moverElement: HTMLDivElement = this.shadowRoot.querySelector('.toggleKnobMover');
    if (this.selected) {
      moverElement.style.transform = 'translateX(30px)';
    } else {
      moverElement.style.transform = 'translateX(0px)';
    }
  }

  public getText() {
    return this.textContent;
  }
}