import { LitElement, html, css } from "lit";

export class CombatHUD extends LitElement {
  static get styles() {
    return css`
      :host {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        font-family: "Courier New", monospace;
        color: white;
      }

      .header {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.8);
        border: 2px solid #ff0000;
        padding: 15px 30px;
        text-align: center;
        pointer-events: auto;
      }

      .status-bar {
        margin-top: 5px;
        font-size: 1.2rem;
        color: #ff6666;
      }

      .turn-indicator {
        position: absolute;
        top: 100px;
        left: 30px;
        background: rgba(0, 0, 0, 0.8);
        border: 2px solid #ff0000;
        padding: 10px 20px;
        font-size: 1rem;
      }

      .instructions {
        position: absolute;
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(0, 0, 0, 0.7);
        border: 1px solid #555;
        padding: 10px 20px;
        font-size: 0.9rem;
        color: #ccc;
        text-align: center;
      }
    `;
  }

  static get properties() {
    return {
      currentState: { type: String },
      currentTurn: { type: String },
    };
  }

  constructor() {
    super();
    this.currentState = null;
    this.currentTurn = "PLAYER";
    window.addEventListener("gamestate-changed", (e) => {
      this.currentState = e.detail.newState;
    });
  }

  render() {
    // Only show during COMBAT state
    if (this.currentState !== "STATE_COMBAT") {
      return html``;
    }

    return html`
      <div class="header">
        <h2>COMBAT ACTIVE</h2>
        <div class="status-bar">Turn: ${this.currentTurn}</div>
      </div>

      <div class="turn-indicator">
        <div>State: ${this.currentState}</div>
      </div>

      <div class="instructions">
        Use WASD or Arrow Keys to move cursor | SPACE/ENTER to select
      </div>
    `;
  }
}

customElements.define("combat-hud", CombatHUD);