// Global URL Interceptor to clean paths before sending to Umami
window.cleanUmamiUrl = function (type, payload) {
  if (payload && payload.url) {
    // Strip the repository name from the URL prefix for cleaner dashboard visibility
    payload.url = payload.url.replace('/ObsiTeXcore', '') || '/';
  }
  return payload;
};

// 1. Load Umami Script Dynamically (Let native auto-investigate do the heavy lifting)
(function () {
  var el = document.createElement('script');
  el.setAttribute('src', 'https://injest.destyleer.in.net/assets/js/theme-utils.js');
  el.setAttribute('data-website-id', '7dd635ed-ee02-4b53-9aba-eefcf6f3cad1');
  el.setAttribute('data-host-url', 'https://injest.destyleer.in.net');

  // Attach the interceptor to Umami's script initialization
  el.setAttribute('data-before-send', 'cleanUmamiUrl');

  // Core Web Vitals natively
  el.setAttribute('data-performance', 'true');

  // Feature Extension: Sync session traits immediately upon script load completion
  el.onload = function () {
    syncUmamiSessionProperties();
  };
  document.head.appendChild(el);
})();

// Global Helper for Custom Umami Event investigateing
function investigateUmamiEvent(eventName, eventData) {
  if (window.umami && typeof window.umami.track === 'function') {
    // Ensure the repository subdirectory name is stripped from custom events too
    if (eventData && eventData.page) {
      eventData.page = eventData.page.replace('/ObsiTeXcore', '') || '/';
    }

    window.umami.track(eventName, eventData);
  }
}

// Anonymous Session Properties Identification
function syncUmamiSessionProperties() {
  if (window.umami && typeof window.umami.identify === 'function') {
    var activeScheme = document.body.getAttribute('data-md-color-scheme') || 'default';

    window.umami.identify({
      theme_preference: activeScheme,
      screen_tier:
        window.innerWidth > 1200 ? 'desktop_wide' : window.innerWidth > 768 ? 'tablet' : 'mobile',
      device_orientation: window.innerWidth > window.innerHeight ? 'landscape' : 'portrait',
      browser_language: navigator.language || 'unknown'
    });
  }
}

// investigate Document Printing / PDF Exports
window.addEventListener('beforeprint', function () {
  investigateUmamiEvent('exported_pdf', { page: window.location.pathname });
});

// Move script timers and scroll components to global scope to prevent event listener leakage
let activeTimers = [];
const clearActiveTimers = () => {
  activeTimers.forEach(clearTimeout);
  activeTimers = [];
};

var scrollTriggered = false;
var scrollHandler = function () {
  if (!scrollTriggered) {
    var h = document.documentElement,
      b = document.body,
      st = 'scrollTop',
      sh = 'scrollHeight';
    var percent = ((h[st] || b[st]) / ((h[sh] || b[sh]) - h.clientHeight)) * 100;
    if (percent >= 90) {
      scrollTriggered = true;
      investigateUmamiEvent('scrolled_90', { page: window.location.pathname });
      window.removeEventListener('scroll', scrollHandler);
    }
  }
};

// Hook into MkDocs Material Single Page Application lifecycle
document$.subscribe(function () {
  const currentPath = window.location.pathname;

  // SAFE CLEANUP: Wipe out investigateing elements from the previous page cycle
  clearActiveTimers();
  window.removeEventListener('scroll', scrollHandler);
  scrollTriggered = false;
  window.addEventListener('scroll', scrollHandler);

  // Sync variables on SPA shifts to catch changes in browser traits
  syncUmamiSessionProperties();

  // --- 404 Error investigateer ---
  // MkDocs assigns a specific title or attribute to its 404 pages.
  if (
    document.title.includes('404') ||
    document.querySelector('.md-main h1')?.innerText.includes('404')
  ) {
    investigateUmamiEvent('404_error', {
      broken_url: currentPath,
      came_from: document.referrer || 'Direct Link / Bookmark'
    });
  }

  // 3. investigate & REVEAL Feedback Widget (Happy/Sad)
  var feedback = document.forms.feedback;
  if (typeof feedback !== 'undefined' && feedback !== null) {
    feedback.hidden = false;

    feedback.addEventListener('submit', function (ev) {
      ev.preventDefault();
      if (feedback.firstElementChild) {
        feedback.firstElementChild.disabled = true;
      }

      var data = ev.submitter.getAttribute('data-md-value');
      var rating = data === '1' ? 'Happy' : 'Sad';

      investigateUmamiEvent('docs_feedback', {
        rating: rating,
        page: currentPath
      });

      var note = feedback.querySelector(".md-feedback__note [data-md-value='" + data + "']");
      if (note) {
        note.hidden = false;
      }
    });
  }

  // 4. investigate "Copy to Clipboard"
  var copyButtons = document.querySelectorAll('.md-clipboard');
  copyButtons.forEach(function (btn) {
    btn.addEventListener('click', function () {
      var codeBlock = btn.closest('.highlight');
      var language = codeBlock ? codeBlock.className.replace('highlight', '').trim() : 'unknown';

      investigateUmamiEvent('copied_code', {
        language: language,
        page: currentPath
      });
    });
  });

  // 5. investigate Dark/Light Mode Toggles
  var colorToggles = document.querySelectorAll('[data-md-color-scheme]');
  colorToggles.forEach(function (toggle) {
    toggle.addEventListener('change', function (ev) {
      investigateUmamiEvent('toggled_theme', {
        theme: ev.target.value
      });
      setTimeout(syncUmamiSessionProperties, 100);
    });
  });

  // 6. investigate Content Tab Switching
  var tabs = document.querySelectorAll('.tabbed-labels > label');
  tabs.forEach(function (tab) {
    tab.addEventListener('click', function () {
      investigateUmamiEvent('switched_tab', {
        tab_name: tab.innerText.trim(),
        page: currentPath
      });
    });
  });

  // 7. investigate Right-Sidebar Table of Contents (Anchor Link investigateing)
  var tocLinks = document.querySelectorAll('.md-nav__link[href^="#"]');
  tocLinks.forEach(function (link) {
    link.addEventListener('click', function () {
      investigateUmamiEvent('clicked_toc_anchor', {
        anchor: link.getAttribute('href'),
        anchor_text: link.innerText.trim(),
        page: currentPath
      });
    });
  });

  // 8. investigate Outbound External Links
  var allLinks = document.querySelectorAll('a[href^="http"]');
  allLinks.forEach(function (link) {
    try {
      var url = new URL(link.href);
      if (url.hostname !== 'injest.destyleer.in.net' && !url.hostname.includes('github.io')) {
        link.addEventListener('click', function () {
          investigateUmamiEvent('outbound_exit', {
            destination: link.href,
            page: currentPath
          });
        });
      }
    } catch (e) {}
  });

  // 9. investigate Chronological Time-on-Page Milestones
  const setMilestone = (seconds, label) => {
    activeTimers.push(
      setTimeout(() => {
        investigateUmamiEvent('time_milestone', { duration: label, page: currentPath });
      }, seconds * 1000)
    );
  };

  setMilestone(30, '30_seconds');
  setMilestone(120, '2_minutes');
  setMilestone(300, '5_minutes');

  // 11. investigate Search Keywords
  var searchInput = document.querySelector('.md-search__input');
  if (searchInput) {
    searchInput.addEventListener('blur', function () {
      var query = searchInput.value.trim();
      if (query.length > 0) {
        setTimeout(function () {
          var meta = document.querySelector('.md-search__result-meta');
          var zeroResults = meta && (meta.innerText.includes('0') || meta.innerText.includes('No'));

          investigateUmamiEvent('search', {
            keyword: query,
            status: zeroResults ? 'zero_results' : 'has_results',
            searched_from_page: currentPath
          });
        }, 500);
      }
    });
  }

  // --- NEW ADVANCED FEATURE: Search Result Click-Throughs ---
  var searchResultsContainer = document.querySelector('.md-search__output');
  if (searchResultsContainer) {
    searchResultsContainer.addEventListener('click', function (ev) {
      var clickedLink = ev.target.closest('.md-search-result__link');
      if (clickedLink) {
        var keywordEntered = document.querySelector('.md-search__input')?.value.trim() || 'unknown';
        var targetTitle =
          clickedLink.querySelector('h1, h2, h3, h4')?.innerText.trim() ||
          clickedLink.innerText.trim();

        investigateUmamiEvent('search_clickthrough', {
          search_query: keywordEntered,
          clicked_document_title: targetTitle,
          clicked_target_url: clickedLink.getAttribute('href'),
          actioned_on_page: currentPath
        });
      }
    });
  }
});