import { cssManager, colors } from './shared.js';

import {
  DeesElement,
  customElement,
  html,
  css,
  type TemplateResult,
  property,
} from '@design.estate/dees-element';

import * as csInterfaces from '@consent.software/interfaces';
import * as csWebclient from '@consent.software/webclient';
import { delayFor } from '@push.rocks/smartdelay';

declare global {
  interface HTMLElementTagNameMap {
    'consentsoftware-cookieconsent': ConsentsoftwareCookieconsent;
  }
}

@customElement('consentsoftware-cookieconsent')
export class ConsentsoftwareCookieconsent extends DeesElement {
  public static demo = () => html`<consentsoftware-cookieconsent></consentsoftware-cookieconsent>`;

  public csWebclientInstance = new csWebclient.CsWebclient();
  public csWebclientRan = false;

  public static styles = [
    cssManager.defaultStyles,
    css`
      :host {
        font-size: 14px;
        user-select: none;
      }

      .pageOverlay {
        position: fixed;
        inset: 0;
        display: grid;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        background: rgba(0, 0, 0, 0);
        backdrop-filter: blur(0px);
        transition: all 0.2s ease-out;
      }

      .pageOverlay.shake {
        background: rgba(0, 0, 0, 0.6) !important;
      }

      .modalBox {
        display: block;
        color: ${cssManager.bdTheme(colors.light.foreground, colors.dark.foreground)};
        background: ${cssManager.bdTheme(colors.light.background, colors.dark.background)};
        box-shadow:
          0 0 0 1px ${cssManager.bdTheme(colors.light.border, colors.dark.border)},
          0 16px 70px ${cssManager.bdTheme('rgba(0, 0, 0, 0.15)', 'rgba(0, 0, 0, 0.35)')};
        position: relative;
        border-radius: 8px;
        max-width: 520px;
        min-width: 320px;
        box-sizing: border-box;
        overflow: hidden;
        will-change: transform;
        transition: all 0.2s ease-out;
        transform: scale(0.96);
        opacity: 0;
      }

      @media (max-width: 560px) {
        .modalBox {
          max-width: 100%;
          min-width: 100%;
          height: 100vh;
          border-radius: 0;
        }
      }

      .modalBox.shake {
        animation: shake 120ms 2 linear;
      }

      @keyframes shake {
        0% { transform: translateX(3px); }
        50% { transform: translateX(-3px); }
        100% { transform: translateX(0); }
      }

      :host([show='false']) { display: none; }
      :host([show='true']) { display: block; }

      .content {
        margin: auto;
      }

      .text-container {
        padding: 12px 16px;
        font-size: 0.9em;
        line-height: 1.5;
        color: ${cssManager.bdTheme(colors.light.mutedForeground, colors.dark.mutedForeground)};
      }

      .text-container a {
        color: ${cssManager.bdTheme(colors.light.foreground, colors.dark.foreground)};
        text-decoration: underline;
        text-underline-offset: 2px;
      }

      .text-container a:hover {
        opacity: 0.8;
      }

      .button-container {
        padding: 12px 16px 16px;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
      }

      @media (max-width: 560px) {
        .button-container {
          grid-template-columns: 1fr;
        }
      }

      .consent-button {
        border-radius: 6px;
        background: ${cssManager.bdTheme(colors.light.secondary, colors.dark.secondary)};
        border: 1px solid ${cssManager.bdTheme(colors.light.border, colors.dark.border)};
        padding: 8px 16px;
        font-size: 0.85em;
        font-weight: 500;
        text-align: center;
        cursor: pointer;
        transition: all 0.15s ease;
        color: ${cssManager.bdTheme(colors.light.secondaryForeground, colors.dark.secondaryForeground)};
      }

      .consent-button:hover {
        background: ${cssManager.bdTheme(colors.light.accent, colors.dark.accent)};
        border-color: ${cssManager.bdTheme(colors.light.ring, colors.dark.ring)};
      }

      .consent-button:last-child {
        background: ${cssManager.bdTheme(colors.light.primary, colors.dark.primary)};
        color: ${cssManager.bdTheme(colors.light.primaryForeground, colors.dark.primaryForeground)};
        border-color: ${cssManager.bdTheme(colors.light.primary, colors.dark.primary)};
      }

      .consent-button:last-child:hover {
        opacity: 0.9;
      }

      .info-container {
        text-align: center;
        padding: 10px 16px;
        background: ${cssManager.bdTheme(colors.light.muted, colors.dark.muted)};
        border-top: 1px solid ${cssManager.bdTheme(colors.light.border, colors.dark.border)};
        font-size: 0.75em;
        color: ${cssManager.bdTheme(colors.light.mutedForeground, colors.dark.mutedForeground)};
      }

      .info-container a {
        color: ${cssManager.bdTheme(colors.light.foreground, colors.dark.foreground)};
        text-decoration: none;
      }

      .info-container a:hover {
        text-decoration: underline;
      }
    `,
  ];

  constructor() {
    super();
    // Initially hide the consent banner until needed
    this.setAttribute('show', 'false');
  }

  public render(): TemplateResult {
    return html`
      <div class="pageOverlay" @click=${this.pageOverlayClick}>
        <div class="modalBox">
          <div class="content">
            <consentsoftware-header></consentsoftware-header>
            <consentsoftware-tabs></consentsoftware-tabs>
            <div class="text-container">
              <div class="toptext">
                We use cookies to enhance your experience. Review our
                <a href="https://lossless.gmbh/cookie" target="_blank">cookie policy</a>
                and select your preferences.
              </div>
            </div>
            <consentsoftware-mainselection></consentsoftware-mainselection>
            <div class="button-container">
              <div
                class="consent-button"
                @click=${(event: MouseEvent) =>
                  this.handleConsentButtonClick(event, ['functional'])}
              >
                Deny
              </div>
              <div
                class="consent-button"
                @click=${(event: MouseEvent) =>
                  this.handleConsentButtonClick(event, ['functional', 'analytics'])}
              >
                Accept selection
              </div>
              <div
                class="consent-button"
                @click=${(event: MouseEvent) =>
                  this.handleConsentButtonClick(event, ['functional', 'analytics', 'marketing'])}
              >
                Accept all cookies
              </div>
            </div>
            <div class="info-container">
              consent management powered by
              <a href="https://consent.software">consent.software</a>
            </div>
          </div>
        </div>
      </div>
    `;
  }

  /**
   * Lifecycle method called when the element is connected to the DOM.
   * Displays the consent banner if no cookie levels are set.
   */
  public async connectedCallback() {
    await super.connectedCallback();

    const cookieLevel = await this.csWebclientInstance.getCookieLevels();
    if (!cookieLevel) {
      // Show consent banner if cookie levels haven't been set yet
      this.setAttribute('show', 'true');
      requestAnimationFrame(async () => {
        await this.updateComplete;
        const pageOverlay: HTMLDivElement = this.shadowRoot?.querySelector('.pageOverlay');
        if (pageOverlay) {
          // Apply subtle backdrop blur when modal appears
          pageOverlay.style.background = 'rgba(0,0,0, 0.6)';
          pageOverlay.style.backdropFilter = 'blur(4px)';
        }
        const modalBox: HTMLDivElement = this.shadowRoot?.querySelector('.modalBox');
        if (modalBox) {
          // Animate modal box appearance
          modalBox.style.transform = `scale(1)`;
          modalBox.style.opacity = '1';
        }
      });
    } else {
      // Hide banner if cookie levels are already set
      this.setAttribute('show', 'false');
    }
  }

  public async firstUpdated() {
    // Run consent scripts if levels are already set
    const acceptedCookieLevels = await this.csWebclientInstance.getCookieLevels();
    if (!this.csWebclientRan && acceptedCookieLevels) {
      this.csWebclientRan = true;
      await this.csWebclientInstance.getAndRunConsentTuples();
    }
  }

  /**
   * Handles consent button clicks, sets cookie levels, and hides the banner.
   */
  private async handleConsentButtonClick(
    event: MouseEvent,
    levelsArg: csInterfaces.TCookieLevel[]
  ) {
    console.log(`Set level to ${levelsArg}`);
    const pageOverlay: HTMLDivElement = this.shadowRoot?.querySelector('.pageOverlay');
    if (pageOverlay) {
      pageOverlay.style.background = 'rgba(0,0,0, 0)';
      pageOverlay.style.backdropFilter = 'blur(0px)';
    }
    const modalBox: HTMLDivElement = this.shadowRoot?.querySelector('.modalBox');
    if (modalBox) {
      // Scale down and fade out modal box before hiding
      modalBox.style.transform = `scale(0.95)`;
      modalBox.style.opacity = '0';
    }
    // Save user consent preferences
    await this.csWebclientInstance.setCookieLevels(levelsArg);
    await delayFor(300);
    this.setAttribute('show', 'false'); // Hide the consent banner

    // Run consent scripts
    if (!this.csWebclientRan) {
      this.csWebclientRan = true;
      await this.csWebclientInstance.getAndRunConsentTuples();
    }
  }

  /**
   * Handles clicks on the page overlay. If clicked outside the modal,
   * triggers a shake animation as feedback.
   */
  private async pageOverlayClick(e: MouseEvent) {
    if (e.target === e.currentTarget) {
      const pageOverlay: HTMLDivElement = this.shadowRoot?.querySelector('.pageOverlay');
      const modalBox: HTMLDivElement = this.shadowRoot?.querySelector('.modalBox');
      if (pageOverlay && modalBox) {
        pageOverlay.classList.add('shake');
        modalBox.classList.add('shake');
        await delayFor(2000);
        pageOverlay.classList.remove('shake');
        modalBox.classList.remove('shake');
      }
    }
  }
}