import * as plugins from './plugins.js';
import {
  customElement,
  html,
  DeesElement,
  property,
  type TemplateResult,
  cssManager,
  css,
  type CSSResult,
  unsafeCSS,
} from '@design.estate/dees-element';

import * as domtools from '@design.estate/dees-domtools';
import { DeesWindowLayer } from './dees-windowlayer.js';

declare global {
  interface HTMLElementTagNameMap {
    'dees-contextmenu': DeesContextmenu;
  }
}

@customElement('dees-contextmenu')
export class DeesContextmenu extends DeesElement {
  // DEMO
  public static demo = () => html`
    <style>
      .withMargin {
        display: block;
        margin: 20px;
      }
    </style>
    <dees-button @contextmenu=${(eventArg) => {
      DeesContextmenu.openContextMenuWithOptions(eventArg, [
        {
          name: 'copy',
          iconName: 'copySolid',
          action: async () => {
            return null;
          },
        },
        {
          name: 'edit',
          iconName: 'penToSquare',
          action: async () => {
            return null;
          },
        },{
          name: 'paste',
          iconName: 'pasteSolid',
          action: async () => {
            return null;
          },
        },
      ]);
    }}>Hello</dees-button>
    <dees-contextmenu class="withMargin"></dees-contextmenu>
    <dees-contextmenu
      class="withMargin"
      .menuItems=${[
        {
          name: 'copy',
          iconName: 'copySolid',
          action: async () => {},
        },
        {
          name: 'edit',
          iconName: 'penToSquare',
          action: async () => {},
        },{
          name: 'paste',
          iconName: 'pasteSolid',
          action: async () => {},
        },
      ] as plugins.tsclass.website.IMenuItem[]}
    ></dees-contextmenu>
  `;

  // STATIC
  public static async openContextMenuWithOptions(eventArg: MouseEvent, menuItemsArg: plugins.tsclass.website.IMenuItem[]) {
    eventArg.preventDefault();
    const contextMenu = new DeesContextmenu();
    contextMenu.style.position = 'absolute';
    contextMenu.style.zIndex = '2000';
    contextMenu.style.top = `${eventArg.clientY.toString()}px`;
    contextMenu.style.left = `${eventArg.clientX.toString()}px`;
    contextMenu.style.opacity = '0';
    contextMenu.style.transform = 'scale(0.95,0.95)';
    contextMenu.style.transformOrigin = 'top left';
    contextMenu.menuItems = menuItemsArg;
    contextMenu.windowLayer = await DeesWindowLayer.createAndShow();
    contextMenu.windowLayer.addEventListener('click', async () => {
      await contextMenu.destroy();
    })
    document.body.append(contextMenu);
    await domtools.plugins.smartdelay.delayFor(0);
    contextMenu.style.opacity = '1';
    contextMenu.style.transform = 'scale(1,1)';
  }

  @property({
    type: Array,
  })
  public menuItems: plugins.tsclass.website.IMenuItem[] = [];
  windowLayer: DeesWindowLayer;

  constructor() {
    super();
  }

  public static styles = [
    cssManager.defaultStyles,
    css`
      :host {
        display: block;
        transition: all 0.1s;
      }

      .mainbox {
        color: ${cssManager.bdTheme('#222', '#ccc')};
        font-size: 14px;
        width: 200px;
        border: 1px solid #444;
        min-height: 40px;
        border-radius: 3px;
        background: #222;
        box-shadow: 0px 1px 4px #000;
        user-select: none;
      }

      .mainbox .menuitem {
        padding: 8px;
      }

      .mainbox .menuitem dees-icon {
        display: inline-block;
        margin-right: 8px;
        width: 14px;
        transform: translateY(2px);
      }

      .mainbox .menuitem:hover {
        cursor: pointer;
        background: #ffffff10;
      }

      .mainbox .menuitem:active {
        cursor: pointer;
        background: #ffffff05;
      }
    `,
  ];

  public render(): TemplateResult {
    return html`
      <div class="mainbox">
        ${this.menuItems.map((menuItemArg) => {
          return html`
            <div class="menuitem" @click=${() => this.handleClick(menuItemArg)}>
              <dees-icon .iconFA=${(menuItemArg.iconName as any) || 'minus'}></dees-icon
              >${menuItemArg.name}
            </div>
          `;
        })}
      </div>
    `;
  }

  public async firstUpdated() {
    if (!this.menuItems || this.menuItems.length === 0) {
      const mainbox = this.shadowRoot.querySelector('.mainbox');
      mainbox.textContent = 'no menu items present';
    }
  }

  public async handleClick(menuItem: plugins.tsclass.website.IMenuItem) {
    menuItem.action();
    await this.destroy();
  }

  public async destroy() {
    if (this.windowLayer) {
      this.windowLayer.destroy();
    }
    this.style.opacity = '0';
    this.style.transform = 'scale(0.95,0,95)';
    await domtools.plugins.smartdelay.delayFor(100);
    this.parentElement.removeChild(this);
  }
}