// Shrink up the spacing and change the size of the headers
u('#ingredients').attr("style", "margin-bottom: .5em;")
u('#ingredients').attr("class", "is-size-5")
u('#directions').attr("style", "margin: 0px;")
u('#directions').attr("class", "is-size-5")

// If we have ingredients subheadings, change the h4 headings
u('h4').addClass("is-size-6")
u('h4').attr("style", "margin: 0px;")

// Change the title size
u('#mainTitle').addClass("is-size-4")

// Change the lists margins
var directions = u('ol');
directions.attr("style", "margin-top: 0px; margin-bottom: 0px;")

var ingredients = u('ul');
ingredients.attr("style", "margin-top: 0px; margin-bottom: 0px;")

var listItems = u('li');
listItems.attr("style", "margin-top: 0px;")

// Remove the last <hr> if we have a footnote
var hrs = u('hr')
if (hrs.length > 2) {
    hrs.last().remove()
}

// Remove the footnote links
u(document.getElementsByClassName('footnote-backref')).remove()

// space to full pages and add kirby background on every page
window.addEventListener('load', function () {
  const pageHeightInPx = 869
  const docHeight = document.children[0].offsetHeight
  const pages = Math.ceil(docHeight/pageHeightInPx)
  if((docHeight/pageHeightInPx)%1 != 0) {
    // need spacing
    const spacer = document.evaluate('//*[@id="spacer"]', document).iterateNext()
    // spacer.style.border = "5px solid red"
    spacer.style.height = `${(pages*pageHeightInPx) - docHeight}px`
  }

  const imageString = 'url("../../recipeskirby.svg")'
  imageArray = [imageString]
  let positionString = "background-position: 10mm 55mm"
  for(let i = 1 ; i < pages ; i+=1) {
    positionString += `, 10mm ${230*i+55}mm`
    imageArray.push(imageString)
  }
  const styleString = `body { background-image: ${imageArray.join(', ')}; ${positionString}; background-blend-mode: luminosity; background-repeat: no-repeat; }`
  window.document.styleSheets[2].insertRule(styleString, 0)
})

// Break ingredients into column-able blocks
window.addEventListener('load', function () {
	const zutatenNode = document.evaluate('//*[@id="zutaten"]', document).iterateNext()

	let nodeBlocks = [[]]
	let nextNode = zutatenNode.nextElementSibling
	while (nextNode && nextNode.tagName != "H2") {

		if(nextNode.tagName == 'H4') {
			nodeBlocks.push([])
		}
		nodeBlocks[nodeBlocks.length - 1].push(nextNode)

		nextNode = nextNode.nextElementSibling
	}

	let allIngredientsDiv = document.createElement('div')
	allIngredientsDiv.id = "allZutaten"
	allIngredientsDiv.classList.add('allZutaten')
	let nodeBlockIndex = 0
	nodeBlocks.forEach(function(nodeArray) {
		let outerDiv = document.createElement('div')
		outerDiv.id = `wrap${nodeBlockIndex}`

		outerDiv.classList.add("zutatenWrapper")
		allIngredientsDiv.appendChild(outerDiv)
		for(elem of nodeArray) {
			outerDiv.appendChild(elem)
		}

		nodeBlockIndex += 1
	})
	zutatenNode.parentNode.insertBefore(allIngredientsDiv, zutatenNode.nextSibling)
})