import type { PropertyValues } from "lit";
import { css, html, LitElement, nothing } from "lit";
import { customElement, property, state } from "lit/decorators";
import { UNAVAILABLE } from "../../../data/entity";
import type { HomeAssistant } from "../../../types";
import { hasConfigOrEntityChanged } from "../common/has-changed";
import "../components/hui-generic-entity-row";
import "../../../components/ha-button";
import { createEntityNotFoundWarning } from "../components/hui-warning";
import type { ActionRowConfig, LovelaceRow } from "./types";
import { confirmAction } from "../common/confirm-action";

@customElement("hui-button-entity-row")
class HuiButtonEntityRow extends LitElement implements LovelaceRow {
  @property({ attribute: false }) public hass!: HomeAssistant;

  @state() private _config?: ActionRowConfig;

  public setConfig(config: ActionRowConfig): void {
    if (!config) {
      throw new Error("Invalid configuration");
    }
    this._config = config;
  }

  protected shouldUpdate(changedProps: PropertyValues): boolean {
    return hasConfigOrEntityChanged(this, changedProps);
  }

  protected render() {
    if (!this._config || !this.hass) {
      return nothing;
    }

    const stateObj = this.hass.states[this._config.entity];

    if (!stateObj) {
      return html`
        <hui-warning .hass=${this.hass}>
          ${createEntityNotFoundWarning(this.hass, this._config.entity)}
        </hui-warning>
      `;
    }

    return html`
      <hui-generic-entity-row .hass=${this.hass} .config=${this._config}>
        <ha-button
          appearance="plain"
          size="small"
          @click=${this._pressButton}
          .disabled=${stateObj.state === UNAVAILABLE}
        >
          ${this.hass.localize("ui.card.button.press")}
        </ha-button>
      </hui-generic-entity-row>
    `;
  }

  static styles = css`
    ha-button:last-child {
      margin-right: -0.57em;
      margin-inline-end: -0.57em;
      margin-inline-start: initial;
    }
  `;

  private async _pressButton(ev): Promise<void> {
    ev.stopPropagation();
    if (
      !this._config?.confirmation ||
      (await confirmAction(
        this,
        this.hass,
        this._config.confirmation,
        this.hass.localize("ui.card.button.press")
      ))
    ) {
      this.hass.callService("button", "press", {
        entity_id: this._config!.entity,
      });
    }
  }
}

declare global {
  interface HTMLElementTagNameMap {
    "hui-button-entity-row": HuiButtonEntityRow;
  }
}
