import { customElement, property, html, type TemplateResult, css, cssManager } from '@design.estate/dees-element';
import * as domtools from '@design.estate/dees-domtools';
import { DeesInputBase } from './dees-input-base.js';
import { demoFunc } from './dees-input-quantityselector.demo.js';

declare global {
  interface HTMLElementTagNameMap {
    'dees-input-quantityselector': DeesInputQuantitySelector;
  }
}

@customElement('dees-input-quantityselector')
export class DeesInputQuantitySelector extends DeesInputBase<DeesInputQuantitySelector> {
  public static demo = demoFunc;

  // INSTANCE

  @property({
    type: Number
  })
  public value: number = 1;



  public static styles = [
    ...DeesInputBase.baseStyles,
    cssManager.defaultStyles,
    css`
        :host {
          width: auto;
          user-select: none;
        }
        
        .quantity-container {
          transition: all 0.1s;
          font-size: 14px;
          display: grid;
          grid-template-columns: 33% 34% 33%;
          text-align: center;
          background: ${cssManager.bdTheme('#fafafa', '#222222')};
          line-height: 40px;
          padding: 0px;
          min-width: 110px;
          color: ${cssManager.bdTheme('#666', '#CCC')};
          border: 1px solid ${cssManager.bdTheme('#CCC', '#444')};
          border-radius: 4px;
        }
        
        .quantity-container.disabled {
          opacity: 0.5;
          pointer-events: none;
        }

        .quantity-container:hover {
          color: ${cssManager.bdTheme('#333', '#fff')};
          border-color: ${cssManager.bdTheme('#999', '#666')};
        }

        .minus {
          padding-left: 5px;
        }

        .plus {
          padding-right: 5px;
        }

        .selector {
          text-align: center;
          font-size: 20px;
        }

        .selector:hover {
        }

        .quantity {
          text-align: center;
        }

    `,
  ];

  public render(): TemplateResult {
    return html`
      <div class="input-wrapper">
        <dees-label .label=${this.label}></dees-label>
        <div class="quantity-container ${this.disabled ? 'disabled' : ''}">
          <div class="selector minus" @click="${() => {this.decrease();}}">-</div>
        <div class="quantity">${this.value}</div>
          <div class="selector plus" @click="${() => {this.increase();}}">+</div>
        </div>
      </div>
    `;
  }

  public increase() {
    if (!this.disabled) {
      this.value++;
      this.changeSubject.next(this);
    }
  }

  public decrease() {
    if (!this.disabled && this.value > 0) {
      this.value--;
      this.changeSubject.next(this);
    }
  }

  public getValue(): number {
    return this.value;
  }

  public setValue(value: number): void {
    this.value = value;
  }
}