import * as shared from './shared/index.js';
import * as appstate from '../appstate.js';
import { appRouter } from '../router.js';
import {
  DeesElement,
  customElement,
  html,
  state,
  css,
  cssManager,
  type TemplateResult,
} from '@design.estate/dees-element';

@customElement('ob-view-dns-records')
export class ObViewDnsRecords extends DeesElement {
  @state()
  accessor networkState: appstate.INetworkState = {
    targets: [],
    stats: null,
    trafficStats: null,
    dnsRecords: [],
    domains: [],
    gatewayDomains: [],
    gatewayDnsRecords: [],
    certificates: [],
  };

  constructor() {
    super();
    const networkSub = appstate.networkStatePart.select((s) => s).subscribe((newState) => {
      this.networkState = newState;
    });
    this.rxSubscriptions.push(networkSub);
  }

  public static styles = [
    cssManager.defaultStyles,
    shared.viewHostCss,
    css`
      .table { border: 1px solid var(--ci-shade-2, #e4e4e7); border-radius: 10px; overflow: hidden; }
      .row { display: grid; grid-template-columns: 2fr 90px 2fr 90px 140px 220px; gap: 16px; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--ci-shade-2, #e4e4e7); }
      .row:last-child { border-bottom: none; }
      .header { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--ci-shade-5, #71717a); background: var(--ci-shade-1, #f4f4f5); }
      .name { font-weight: 600; }
      .value { font-family: monospace; color: var(--ci-shade-5, #71717a); overflow-wrap: anywhere; }
      .badge { border-radius: 999px; padding: 3px 8px; background: var(--ci-shade-1, #f4f4f5); font-size: 12px; }
      .missing { color: #dc2626; }
      a, button.link { color: var(--ci-primary, #2563eb); background: none; border: none; padding: 0; cursor: pointer; font: inherit; text-decoration: none; }
      .actions { display: flex; gap: 12px; }
      .empty { padding: 32px; text-align: center; color: var(--ci-shade-5, #71717a); }
    `,
  ];

  async connectedCallback() {
    super.connectedCallback();
    await appstate.networkStatePart.dispatchAction(appstate.fetchGatewayDnsRecordsAction, null);
  }

  public render(): TemplateResult {
    const records = this.networkState.gatewayDnsRecords;
    return html`
      <ob-sectionheading>DNS Records</ob-sectionheading>
      <div class="table">
        <div class="row header">
          <span>Name</span>
          <span>Type</span>
          <span>Value</span>
          <span>Status</span>
          <span>Service</span>
          <span>Actions</span>
        </div>
        ${records.length ? records.map((record) => html`
          <div class="row ${record.status === 'missing' ? 'missing' : ''}">
            <span class="name">${record.name}</span>
            <span><span class="badge">${record.type}</span></span>
            <span class="value">${record.value || '-'}</span>
            <span>${record.status}</span>
            <span>${record.serviceName || record.appId}</span>
            <span class="actions">
              <button class="link" @click=${() => appRouter.navigateToView('services')}>View service</button>
              ${record.manageUrl ? html`<a href=${record.manageUrl} target="_blank" rel="noopener">Manage in dcrouter</a>` : ''}
            </span>
          </div>
        `) : html`<div class="empty">No gateway DNS records found. Configure a dcrouter gateway in Settings.</div>`}
      </div>
    `;
  }
}