import { DeesElement, property, html, customElement, type TemplateResult, css, cssManager, unsafeCSS } from '@design.estate/dees-element';
import * as domtools from '@design.estate/dees-domtools';
import * as sharedStyles from '../styles/shared.styles.js';
import { demoFunc } from './upl-statuspage-header.demo.js';

declare global {
  interface HTMLElementTagNameMap {
    'upl-statuspage-header': UplStatuspageHeader;
  }
}

@customElement('upl-statuspage-header')
export class UplStatuspageHeader extends DeesElement {
  // STATIC
  public static demo = demoFunc;

  // INSTANCE
  @property({ type: String })
  accessor pageTitle: string = "Statuspage Title";

  @property({ type: Boolean })
  accessor showReportButton: boolean = true;

  @property({ type: Boolean })
  accessor showSubscribeButton: boolean = true;

  @property({ type: String })
  accessor logoUrl: string = '';

  @property({ type: Boolean })
  accessor loading: boolean = false;
  

  constructor() {
    super();
  }

  public static styles = [
    domtools.elementBasic.staticStyles,
    css`
      :host {
        display: block;
        background: ${sharedStyles.colors.background.primary};
        font-family: ${unsafeCSS(sharedStyles.fonts.base)};
        color: ${sharedStyles.colors.text.primary};
        border-bottom: 1px solid ${sharedStyles.colors.border.default};
        position: sticky;
        top: 0;
        z-index: 40;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
      }

      .header-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 ${unsafeCSS(sharedStyles.spacing.lg)};
      }

      .header-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
      }

      .header-left {
        display: flex;
        align-items: center;
        gap: ${unsafeCSS(sharedStyles.spacing.lg)};
      }

      .header-actions {
        display: flex;
        align-items: center;
        gap: ${unsafeCSS(sharedStyles.spacing.sm)};
      }

      .actionButton {
        font-family: ${unsafeCSS(sharedStyles.fonts.base)};
        font-size: 13px;
        font-weight: 500;
        padding: 0 14px;
        border-radius: ${unsafeCSS(sharedStyles.borderRadius.base)};
        cursor: pointer;
        user-select: none;
        transition: all ${unsafeCSS(sharedStyles.durations.normal)} ${unsafeCSS(sharedStyles.easings.default)};
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 36px;
        background: transparent;
        border: 1px solid ${sharedStyles.colors.border.default};
        color: ${sharedStyles.colors.text.primary};
        letter-spacing: -0.01em;
      }

      .actionButton:hover {
        background: ${sharedStyles.colors.background.secondary};
        border-color: ${sharedStyles.colors.border.muted};
        box-shadow: ${unsafeCSS(sharedStyles.shadows.xs)};
      }

      .actionButton:active {
        transform: scale(0.98);
        transition-duration: ${unsafeCSS(sharedStyles.durations.fast)};
      }

      .actionButton:focus-visible {
        outline: 2px solid ${sharedStyles.colors.accent.focus};
        outline-offset: 2px;
      }

      .site-title {
        font-size: 18px;
        font-weight: 600;
        letter-spacing: -0.02em;
        color: ${sharedStyles.colors.text.primary};
      }

      .logo {
        height: 28px;
        width: auto;
        filter: ${cssManager.bdTheme('none', 'brightness(0) invert(1)')};
        transition: opacity ${unsafeCSS(sharedStyles.durations.normal)} ${unsafeCSS(sharedStyles.easings.default)};
      }

      .logo:hover {
        opacity: 0.8;
      }

      .page-info {
        padding: ${unsafeCSS(sharedStyles.spacing.lg)} 0 ${unsafeCSS(sharedStyles.spacing.xl)} 0;
      }

      .page-title {
        font-size: 48px;
        font-weight: 700;
        letter-spacing: -0.03em;
        line-height: 1.1;
        color: ${sharedStyles.colors.text.primary};
        margin: 0 0 16px 0;
      }

      .page-subtitle {
        font-size: 18px;
        color: ${sharedStyles.colors.text.secondary};
        margin: 0;
        line-height: 1.5;
      }

      /* Primary button variant */
      .actionButton.primary {
        background: ${sharedStyles.colors.accent.primary};
        color: ${sharedStyles.colors.background.primary};
        border-color: transparent;
      }

      .actionButton.primary:hover {
        background: ${sharedStyles.colors.accent.hover};
        box-shadow: ${unsafeCSS(sharedStyles.shadows.sm)};
      }

      .loading-skeleton {
        height: 64px;
        background: ${sharedStyles.colors.background.secondary};
        border-bottom: 1px solid ${sharedStyles.colors.border.default};
        position: relative;
        overflow: hidden;
      }

      .loading-skeleton::after {
        content: '';
        position: absolute;
        inset: 0;
        background: ${cssManager.bdTheme(
          'linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.04) 50%, transparent 100%)',
          'linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%)'
        )};
        animation: loading 1.5s ${unsafeCSS(sharedStyles.easings.default)} infinite;
      }

      @keyframes loading {
        0% { transform: translateX(-100%); }
        100% { transform: translateX(200%); }
      }

      @media (max-width: 768px) {
        .header-container {
          padding: 0 ${unsafeCSS(sharedStyles.spacing.md)};
        }

        .header-nav {
          height: 56px;
        }

        .header-left {
          gap: ${unsafeCSS(sharedStyles.spacing.md)};
        }

        .site-title {
          font-size: 16px;
        }

        .logo {
          height: 24px;
        }
      }

      @media (max-width: 640px) {
        .actionButton {
          font-size: 12px;
          padding: 0 12px;
          height: 32px;
        }

        .page-title {
          font-size: 32px;
        }

        .page-subtitle {
          font-size: 16px;
        }

        .header-actions {
          gap: 6px;
        }
      }
    `
  ]

  public render(): TemplateResult {
    if (this.loading) {
      return html`
        <div class="loading-skeleton"></div>
      `;
    }

    return html`
      <header>
        <div class="header-container">
          <nav class="header-nav">
            <div class="header-left">
              ${this.logoUrl ? html`
                <img src="${this.logoUrl}" alt="${this.pageTitle}" class="logo">
              ` : ''}
              <h1 class="site-title">${this.pageTitle}</h1>
            </div>
            <div class="header-actions">
              ${this.showReportButton ? html`
                <button class="actionButton" @click=${this.dispatchReportNewIncident}>
                  Report Issue
                </button>
              ` : ''}
              ${this.showSubscribeButton ? html`
                <button class="actionButton primary" @click=${this.dispatchStatusSubscribe}>
                  Subscribe
                </button>
              ` : ''}
            </div>
          </nav>
        </div>
      </header>
    `;
  }

  public dispatchReportNewIncident() {
    this.dispatchEvent(new CustomEvent('reportNewIncident', {
      
    }))
  }

  public dispatchStatusSubscribe() {
    this.dispatchEvent(new CustomEvent('statusSubscribe', {
      
    }))
  }
}