/**
 * Luma Weather Card — custom Lovelace card
 * Shows current conditions + 5-day forecast in the Luma glass style.
 */

const WEATHER_VERSION = '1.0.0';

const WEATHER_ICONS = {
  'clear-night': 'mdi:weather-night',
  'cloudy': 'mdi:weather-cloudy',
  'fog': 'mdi:weather-fog',
  'hail': 'mdi:weather-hail',
  'lightning': 'mdi:weather-lightning',
  'lightning-rainy': 'mdi:weather-lightning-rainy',
  'partlycloudy': 'mdi:weather-partly-cloudy',
  'pouring': 'mdi:weather-pouring',
  'rainy': 'mdi:weather-rainy',
  'snowy': 'mdi:weather-snowy',
  'snowy-rainy': 'mdi:weather-snowy-rainy',
  'sunny': 'mdi:weather-sunny',
  'windy': 'mdi:weather-windy',
  'windy-variant': 'mdi:weather-windy-variant',
  'exceptional': 'mdi:alert-circle-outline',
};

const CONDITION_LABELS = {
  'clear-night': 'Clear Night',
  'cloudy': 'Cloudy',
  'fog': 'Foggy',
  'hail': 'Hail',
  'lightning': 'Thunderstorm',
  'lightning-rainy': 'Thunderstorm',
  'partlycloudy': 'Partly Cloudy',
  'pouring': 'Heavy Rain',
  'rainy': 'Rainy',
  'snowy': 'Snowy',
  'snowy-rainy': 'Sleet',
  'sunny': 'Sunny',
  'windy': 'Windy',
  'windy-variant': 'Windy',
  'exceptional': 'Exceptional',
};

class LumaWeatherCard extends HTMLElement {
  set hass(hass) {
    this._hass = hass;
    if (!this._config) return;
    this._render();
  }

  setConfig(config) {
    if (!config.entity) throw new Error('Missing entity');
    this._config = config;
  }

  _render() {
    const hass = this._hass;
    const config = this._config;
    const stateObj = hass.states[config.entity];
    if (!stateObj) {
      this.innerHTML = `<ha-card><div style="padding:16px;color:#888">Entity not found: ${config.entity}</div></ha-card>`;
      return;
    }

    const condition = stateObj.state;
    const temp = stateObj.attributes.temperature;
    const unit = stateObj.attributes.temperature_unit || '°C';
    const humidity = stateObj.attributes.humidity;
    const windSpeed = stateObj.attributes.wind_speed;
    const windUnit = stateObj.attributes.wind_speed_unit || 'km/h';
    const icon = WEATHER_ICONS[condition] || 'mdi:weather-partly-cloudy';
    const label = CONDITION_LABELS[condition] || condition;
    const forecast = stateObj.attributes.forecast || [];

    if (!this.shadowRoot) {
      this.attachShadow({ mode: 'open' });
      const style = document.createElement('style');
      style.textContent = WEATHER_STYLES;
      this.shadowRoot.appendChild(style);
      const wrap = document.createElement('div');
      wrap.className = 'lw-wrap';
      this.shadowRoot.appendChild(wrap);
    }

    const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
    const forecastDays = forecast.slice(0, 5);

    this.shadowRoot.querySelector('.lw-wrap').innerHTML = `
      <div class="lw-card">
        <div class="lw-now">
          <div class="lw-icon-wrap">
            <ha-icon icon="${icon}" style="--mdc-icon-size:56px;color:#F5B85A"></ha-icon>
          </div>
          <div class="lw-now-info">
            <div class="lw-temp">${temp !== undefined ? Math.round(temp) : '–'}°</div>
            <div class="lw-condition">${label}</div>
          </div>
        </div>
        <div class="lw-details">
          <div class="lw-detail">
            <ha-icon icon="mdi:water-percent" style="--mdc-icon-size:20px;color:rgba(255,255,255,0.60)"></ha-icon>
            <span>${humidity !== undefined ? humidity + '%' : '–'}</span>
          </div>
          <div class="lw-detail">
            <ha-icon icon="mdi:weather-windy" style="--mdc-icon-size:20px;color:rgba(255,255,255,0.60)"></ha-icon>
            <span>${windSpeed !== undefined ? windSpeed + ' ' + windUnit : '–'}</span>
          </div>
        </div>
        ${forecastDays.length > 0 ? `
          <div class="lw-divider"></div>
          <div class="lw-forecast">
            ${forecastDays.map(f => {
              const d = new Date(f.datetime);
              const day = days[d.getDay()];
              const fIcon = WEATHER_ICONS[f.condition] || 'mdi:weather-partly-cloudy';
              const lo = f.templow !== undefined ? Math.round(f.templow) : '–';
              const hi = f.temperature !== undefined ? Math.round(f.temperature) : '–';
              return `
                <div class="lw-day">
                  <div class="lw-day-name">${day}</div>
                  <ha-icon icon="${fIcon}" style="--mdc-icon-size:24px;color:rgba(255,255,255,0.72)"></ha-icon>
                  <div class="lw-day-range">
                    <span class="lw-hi">${hi}°</span>
                    <span class="lw-lo">${lo}°</span>
                  </div>
                </div>
              `;
            }).join('')}
          </div>
        ` : ''}
      </div>
    `;
  }

  getCardSize() { return 4; }
  static getStubConfig() { return { entity: 'weather.forecast_home' }; }
}

const WEATHER_STYLES = `
  :host { display: block; }
  .lw-card {
    background: rgba(34,38,46,0.88);
    border: 2px solid rgba(255,255,255,0.10);
    border-radius: 22px;
    padding: 22px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    box-sizing: border-box;
  }
  .lw-now {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 16px;
  }
  .lw-icon-wrap {
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(245,184,90,0.18);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .lw-now-info { flex: 1; }
  .lw-temp {
    font-size: 48px; font-weight: 700; color: #fff;
    line-height: 1; letter-spacing: -0.03em;
  }
  .lw-condition {
    font-size: 17px; font-weight: 500; color: rgba(255,255,255,0.72);
    margin-top: 4px;
  }
  .lw-details {
    display: flex; gap: 20px; margin-bottom: 16px;
  }
  .lw-detail {
    display: flex; align-items: center; gap: 6px;
    font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.72);
  }
  .lw-divider {
    height: 1px; background: rgba(255,255,255,0.10);
    margin-bottom: 16px;
  }
  .lw-forecast {
    display: flex; justify-content: space-between;
  }
  .lw-day {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    flex: 1;
  }
  .lw-day-name {
    font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.60);
    text-transform: uppercase; letter-spacing: 0.04em;
  }
  .lw-day-range {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
  }
  .lw-hi { font-size: 16px; font-weight: 700; color: #fff; }
  .lw-lo { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.50); }
`;

customElements.define('luma-weather-card', LumaWeatherCard);

window.customCards = window.customCards || [];
window.customCards.push({
  type: 'luma-weather-card',
  name: 'Luma Weather Card',
  description: 'Weather card with 5-day forecast in the Luma glass design.',
  preview: true,
});

console.info(`%c LUMA-WEATHER %c v${WEATHER_VERSION} `, 'background:#F5B85A;color:#15181E;font-weight:700', 'background:#22262E;color:#F5B85A');