const LUMA_CLIMATE_VERSION = '0.1.0';

class LumaClimateCard extends HTMLElement {
  set hass(hass) { this._hass = hass; this._render(); }

  setConfig(config) {
    if (!config.entity) throw new Error('Entity is required');
    this._config = { entity: config.entity, name: config.name || '', size: config.size || '1x1',
      accent_color: config.accent_color || '', icon: config.icon || '',
      tap_action: config.tap_action || { action: 'more-info' },
      hold_action: config.hold_action || { action: 'more-info' }, ...config };
    this._render();
  }

  getCardSize() { return (this._config?.size === '1x2' || this._config?.size === '2x2') ? 4 : 2; }
  static getStubConfig() { return { entity: '', name: '', size: '1x1' }; }
  connectedCallback() { if (!this.shadowRoot) this.attachShadow({ mode: 'open' }); this._render(); }

  _getState() { return this._hass?.states?.[this._config?.entity]; }

  _getAccent() {
    if (this._config?.accent_color) return this._config.accent_color;
    const s = this._getState();
    if (!s) return '#bbbbbb';
    switch (s.state) {
      case 'heat': case 'heat_cool': case 'auto': return '#f0a060';
      case 'cool': return '#60b0f0';
      default: return '#bbbbbb';
    }
  }

  _getFillColor() {
    const s = this._getState();
    if (!s) return 'transparent';
    switch (s.state) {
      case 'heat': case 'heat_cool': case 'auto': return 'rgba(240,96,64,0.28)';
      case 'cool': return 'rgba(64,144,240,0.28)';
      default: return 'rgba(240,160,96,0.15)';
    }
  }

  _isActive() {
    const s = this._getState();
    return s && s.state !== 'off' && s.state !== 'unavailable';
  }

  _handleClick() {
    if (!this._hass || !this._config) return;
    const ev = new Event('hass-more-info', { composed: true });
    ev.detail = { entityId: this._config.entity };
    this.dispatchEvent(ev);
  }

  _render() {
    if (!this.shadowRoot || !this._config) return;
    const s = this._getState();
    const isActive = this._isActive();
    const accent = this._getAccent();
    const fill = this._getFillColor();
    const name = this._config.name || s?.attributes?.friendly_name || '';
    const icon = this._config.icon || 'mdi:thermometer';
    const currentTemp = s?.attributes?.current_temperature ?? '--';
    const targetTemp = s?.attributes?.temperature ?? '--';
    const hvac = s?.state || 'off';
    const modeLabel = { heat: 'Heat', cool: 'Cool', heat_cool: 'Auto', auto: 'Auto', off: 'Off' }[hvac] || hvac;

    this.shadowRoot.innerHTML = `
      <style>
        :host { display: block; --accent: ${accent}; }
        .card {
          position: relative; overflow: hidden; background: rgba(36,40,48,0.75);
          border: 1px solid rgba(255,255,255,0.10); border-radius: 22px; padding: 16px;
          cursor: pointer; transition: border-color .15s, box-shadow .15s;
          height: 100%; min-height: 140px; display: flex; flex-direction: column;
          justify-content: space-between; box-shadow: 0 2px 6px rgba(0,0,0,.06);
        }
        .card:hover { border-color: rgba(255,255,255,0.18); box-shadow: 0 8px 28px rgba(0,0,0,.28); }
        .card.active { border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
        .glow {
          position: absolute; top: -20px; left: -20px; width: 200px; height: 200px;
          border-radius: 50%; pointer-events: none; opacity: 0; transition: opacity .2s;
          background: radial-gradient(circle, ${fill} 0%, transparent 70%);
        }
        .card.active .glow { opacity: 1; }
        .top { display: flex; align-items: center; gap: 12px; position: relative; z-index: 1; }
        .icon-circle {
          width: 48px; height: 48px; border-radius: 24px; display: flex;
          align-items: center; justify-content: center; flex-shrink: 0;
          background: ${isActive ? `color-mix(in srgb, var(--accent) 20%, transparent)` : 'rgba(255,255,255,0.08)'};
        }
        .icon-circle ha-icon { --mdc-icon-size: 28px; color: var(--accent); }
        .info { flex: 1; min-width: 0; }
        .mode-label { font-size: 12px; font-weight: 400; letter-spacing: 0.04em; color: ${isActive ? 'var(--accent)' : 'rgba(232,232,232,0.45)'}; }
        .name { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
        .bottom { position: relative; z-index: 1; }
        .now { font-size: 12px; font-weight: 400; letter-spacing: 0.02em; color: rgba(232,232,232,0.55); margin-bottom: 2px; }
        .target { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; color: ${isActive ? '#fff' : 'rgba(187,187,187,0.5)'}; }
      </style>
      <div class="card ${isActive ? 'active' : ''}">
        <div class="glow"></div>
        <div class="top">
          <div class="icon-circle"><ha-icon icon="${icon}"></ha-icon></div>
          <div class="info">
            <div class="mode-label">${modeLabel}</div>
            <div class="name">${name}</div>
          </div>
        </div>
        <div class="bottom">
          <div class="now">Now ${currentTemp}°C</div>
          <div class="target">${targetTemp}°</div>
        </div>
      </div>`;
    this.shadowRoot.querySelector('.card').addEventListener('click', () => this._handleClick());
  }
}

customElements.define('luma-climate-card', LumaClimateCard);
window.customCards = window.customCards || [];
window.customCards.push({ type: 'luma-climate-card', name: 'Luma Climate', description: 'Luma-style climate/thermostat card with temperature display.', preview: true });
console.info(`%c LUMA-CLIMATE-CARD %c v${LUMA_CLIMATE_VERSION} `, 'background:#f0a060;color:#111;font-weight:bold', 'background:#161a22;color:#f0a060');