import "@material/mwc-list/mwc-list-item";
import "@material/mwc-select/mwc-select";
import { css, CSSResultGroup, html, LitElement, TemplateResult } from "lit";
import { customElement, property } from "lit/decorators";
import { stopPropagation } from "../common/dom/stop_propagation";
import { computeStateName } from "../common/entity/compute_state_name";
import "../components/entity/state-badge";
import { UNAVAILABLE } from "../data/entity";
import { SelectEntity, setSelectOption } from "../data/select";
import type { HomeAssistant } from "../types";

@customElement("state-card-select")
class StateCardSelect extends LitElement {
  @property({ attribute: false }) public hass!: HomeAssistant;

  @property() public stateObj!: SelectEntity;

  protected render(): TemplateResult {
    return html`
      <state-badge .stateObj=${this.stateObj}></state-badge>
      <mwc-select
        .value=${this.stateObj.state}
        .label=${computeStateName(this.stateObj)}
        .disabled=${this.stateObj.state === UNAVAILABLE}
        naturalMenuWidth
        fixedMenuPosition
        @selected=${this._selectedOptionChanged}
        @closed=${stopPropagation}
      >
        ${this.stateObj.attributes.options.map(
          (option) =>
            html`
              <mwc-list-item .value=${option}>
                ${(this.stateObj.attributes.device_class &&
                  this.hass.localize(
                    `component.select.state.${this.stateObj.attributes.device_class}.${option}`
                  )) ||
                this.hass.localize(`component.select.state._.${option}`) ||
                option}
              </mwc-list-item>
            `
        )}
      </mwc-select>
    `;
  }

  private _selectedOptionChanged(ev) {
    const option = ev.target.value;
    if (option === this.stateObj.state) {
      return;
    }
    setSelectOption(this.hass, this.stateObj.entity_id, option);
  }

  static get styles(): CSSResultGroup {
    return css`
      :host {
        display: flex;
      }

      state-badge {
        float: left;
        margin-top: 10px;
      }

      mwc-select {
        width: 100%;
      }
    `;
  }
}

declare global {
  interface HTMLElementTagNameMap {
    "state-card-select": StateCardSelect;
  }
}
