// NOTICE!! DO NOT USE ANY OF THIS JAVASCRIPT
// IT'S ALL JUST JUNK FOR OUR DOCS!
// ++++++++++++++++++++++++++++++++++++++++++

/*!
 * JavaScript for Bootstrap's docs (https://getbootstrap.com/)
 * Copyright 2011-2022 The Bootstrap Authors
 * Copyright 2011-2022 Twitter, Inc.
 * Licensed under the Creative Commons Attribution 3.0 Unported License.
 * For details, see https://creativecommons.org/licenses/by/3.0/.
 */

import ClipboardJS from 'clipboard'
// import { Tooltip } from '../../../dist/js/bootstrap.esm.min.js'
/* global  bootstrap: false */

// Insert copy to clipboard button before .highlight
const btnTitle = 'Copy to clipboard'
const btnEdit = 'Edit on StackBlitz'

const btnHtml = [
  '<div class="bd-code-snippet">',
  '   <div class="bd-clipboard">',
  '      <button type="button" class="btn-clipboard">',
  '        <svg class="bi" role="img" aria-label="Copy"><use xlink:href="#clipboard"/></svg>',
  '      </button>',
  '   </div>',
  '</div>'
].join('')

// wrap programmatically code blocks and add copy btn.
document.querySelectorAll('.highlight')
  .forEach(element => {
    if (!element.closest('.bd-example-snippet')) { // Ignore examples made be shortcode
      element.insertAdjacentHTML('beforebegin', btnHtml)
      element.previousElementSibling.append(element)
    }
  })

/**
 *
 * @param {string} selector
 * @param {string} title
 */
function snippetButtonTooltip(selector, title) {
  document.querySelectorAll(selector).forEach(btn => {
    bootstrap.Tooltip.getOrCreateInstance(btn, { title })
  })
}

snippetButtonTooltip('.btn-clipboard', btnTitle)
snippetButtonTooltip('.btn-edit', btnEdit)

const clipboard = new ClipboardJS('.btn-clipboard', {
  target: trigger => trigger.closest('.bd-code-snippet').querySelector('.highlight')
})

clipboard.on('success', event => {
  const iconFirstChild = event.trigger.querySelector('.bi').firstChild
  const tooltipBtn = bootstrap.Tooltip.getInstance(event.trigger)
  const namespace = 'http://www.w3.org/1999/xlink'
  const originalXhref = iconFirstChild.getAttributeNS(namespace, 'href')
  const originalTitle = event.trigger.title

  tooltipBtn.setContent({ '.tooltip-inner': 'Copied!' })
  event.trigger.addEventListener('hidden.bs.tooltip', () => {
    tooltipBtn.setContent({ '.tooltip-inner': btnTitle })
  }, { once: true })
  event.clearSelection()
  iconFirstChild.setAttributeNS(namespace, 'href', originalXhref.replace('clipboard', 'check2'))

  setTimeout(() => {
    iconFirstChild.setAttributeNS(namespace, 'href', originalXhref)
    event.trigger.title = originalTitle
  }, 2000)
})

clipboard.on('error', event => {
  const modifierKey = /mac/i.test(navigator.userAgent) ? '\u2318' : 'Ctrl-'
  const fallbackMsg = `Press ${modifierKey}C to copy`
  const tooltipBtn = bootstrap.Tooltip.getInstance(event.trigger)

  tooltipBtn.setContent({ '.tooltip-inner': fallbackMsg })
  event.trigger.addEventListener('hidden.bs.tooltip', () => {
    tooltipBtn.setContent({ '.tooltip-inner': btnTitle })
  }, { once: true })
})