let form = document.querySelector('#form')
let wordCount = document.querySelector('.wordCount')
let main = document.querySelector('.main')
let errorMsg = document.querySelector('.errorMsg')
let script = document.currentScript

// getqueryUrl from form
const params = new URLSearchParams(window.location.search)
let serachValue = params.get('search').toLowerCase()
let prefixValue = params.get('prefix')
let containsValue = params.get('contains')
let suffixValue = params.get('suffix')
let exculdeValue = params.get('exculde')
let includeValue = params.get('include')
let lengthValue = params.get('length')
let dictonary = params.get('dictionary')

// advanced filter element grabs
let tick
let startsWith = document.getElementById('startsWith')
let mustInclude = document.getElementById('mustInclude')
let endsWith = document.getElementById('endsWith')
let exculdeWith = document.getElementById('exculdeWith')
let inculdeWith = document.getElementById('inculdeWith')
let wordLength = document.getElementById('wordLength')

let ok = true

let tab_container = document.querySelector('.tab_container')
var sortValue
var sortBool = false


let txtBox = document.querySelector('.txtBox')
txtBox.focus()
txtBox.value = serachValue


let letterCloseButton = document.querySelector('.letter-close-button-commonPage')
if (serachValue) {
  letterCloseButton.classList.add("ltr-cls-btn-commonPage")
}
letterCloseButton.addEventListener("click", () => {
  txtBox.value = ""
  letterCloseButton.classList.remove("ltr-cls-btn-commonPage")
})


txtBox.addEventListener('input', (e) => {
  if (e.target.value === "") {
    letterCloseButton.classList.remove("ltr-cls-btn-commonPage")
  } else {
    letterCloseButton.classList.add("ltr-cls-btn-commonPage")
  }
})

var theSelect = document.getElementById('select_dropDown')

const sortup = document.querySelector(".sortup-icon")
let bool = false
sortup.addEventListener("click", () => {
  if (bool) {
    theSelect.size = 0
    bool = false
    theSelect.style.display = "none"
  }
  else {
    bool = true
    theSelect.size = 3
    theSelect.style.display = "block"
  }
})
document.querySelector('.select_dropDown2').value = dictonary
// getWords define...
const getData = async (serachValue) => {
  try {
    errorMsg.innerHTML = ""
    wordCount.innerHTML = ""
    let selectedDictionary = document.querySelector('.select_dropDown2').value
    main.innerHTML = `<div class="loader">
    <img src='/assets/images/loading.gif'>
    <div style="font-weight:900;font-size:14px" >Finding words - Powered by wordswithletters.org</div>
    </div>`
    /// loader
    const response = await fetch(
      `/.netlify/functions/wordsStartingWith?name=${serachValue}&selecteddictionary=${selectedDictionary}`
    )
    let data = await response.json()
    data = data.slice(0, 1500)
    main.innerHTML = ''
    wordsStartingWith(data)
    //wordsStartingWith calling...
  } catch (error) {
    console.log(error)
  }
}
//getData calling...
if (lengthValue === '1') {
  errorMsg.innerHTML = 'words length should be more than 1'
} else {
  getData(serachValue.toLowerCase())
  function logSubmit(event) {
    const scrollingElement = (document.scrollingElement || document.body);
    scrollingElement.scroll({ top: 0, behavior: 'smooth' });
    let selectedDictionary = document.querySelector('.select_dropDown2').value
    event.preventDefault();
    if (history.pushState) {
      var newurl = window.location.protocol + "//" + window.location.host +
        window.location.pathname + '?' + "search" + "=" + txtBox.value.toLowerCase() + '&' +
        'dictionary' + '=' + selectedDictionary +
        '&' + 'prefix' + '=' + startsWith.value + '&' + 'contains' + '=' + mustInclude.value +
        '&' + 'suffix' + '=' + endsWith.value + '&' + 'exculde' + '=' + exculdeWith.value +
        '&' + 'include' + '=' + inculdeWith.value + '&' + 'length' + '=' + wordLength.value;
      window.history.pushState({ path: newurl }, '', newurl);

      const params = new URLSearchParams(window.location.search)
      serachValue = params.get('search')
      prefixValue = params.get('prefix')
      containsValue = params.get('contains')
      suffixValue = params.get('suffix')
      exculdeValue = params.get('exculde')
      includeValue = params.get('include')
      lengthValue = params.get('length')
      dictonary = params.get('dictionary')

      gtag('event', 'page_view', {
        page_location: window.location.pathname + location.search,
      })
    }
    getData(txtBox.value.toLowerCase())
    addFilterCount()

  }
  applyBtn.addEventListener('submit', logSubmit)
  form.addEventListener('submit', logSubmit);
}

// wordsStartingWith function define...
function wordsStartingWith(data) {
  main.innerHTML = ""
  tab_container.innerHTML = ""
  if (typeof data === 'string') {
    errorMsg.innerHTML = 'no words found'
    wordCount.innerHTML = `<strong>Found 0 words with letters ${serachValue.split(
      ''
    )}</strong>`
  } else {
    let newWordsLength = 0

    // sort eventlistener
    theSelect.addEventListener('change', () => {
      sortValue = theSelect[theSelect.selectedIndex].text
      if (sortValue == 'Z-A') {
        sortBool = true
        sortby(sortBool, data)
      } else {
        sortBool = false
        sortby(sortBool, data)
      }
      if (sortValue == 'Points') {
        sortBool = true
        sortPointsby(sortBool, data)
      }
    })

    for (let i = 15; i >= 0; i--) {
      let newdata = data.filter((item) => item.length === i)

      if (prefixValue) {
        newdata = newdata.filter((item2) =>
          item2.startsWith(prefixValue.toLowerCase())
        )
        startsWith.classList.add('tick')
        startsWith.value = prefixValue
      } else {
        startsWith.classList.remove('tick')
      }
      if (containsValue) {
        newdata = newdata.filter((item) =>
          item.includes(containsValue.toLowerCase())
        )
        mustInclude.classList.add('tick')
        mustInclude.value = containsValue
      }
      else {
        mustInclude.classList.remove('tick')
      }
      if (suffixValue) {
        newdata = newdata.filter((item) =>
          item.endsWith(suffixValue.toLowerCase())
        )
        endsWith.classList.add('tick')
        endsWith.value = suffixValue
      } else {
        endsWith.classList.remove('tick')
      }
      if (exculdeValue) {
        let data = []
        newdata.map((item) => {
          let check = false
          for (let e = 0; e < exculdeValue.length; e++) {
            const element = exculdeValue[e].toLowerCase()
            if (item.includes(element)) {
              check = true
              break
            } else {
              check = false
            }
          }
          if (check === false) {
            data.push(item)
          }
        })
        exculdeWith.classList.add('tick')
        exculdeWith.value = exculdeValue
        newdata = data
      } else {
        exculdeWith.classList.remove('tick')
      }
      if (includeValue) {
        let data = []
        newdata.map((item) => {
          let check = false
          for (let e = 0; e < includeValue.length; e++) {
            const element = includeValue[e].toLowerCase()
            if (!item.includes(element)) {
              check = true
              break
            } else {
              check = false
            }
          }
          if (check === false) {
            data.push(item)
          }
        })
        inculdeWith.classList.add('tick')
        inculdeWith.value = includeValue
        newdata = data
      } else {
        inculdeWith.classList.remove('tick')
      }
      if (lengthValue) {
        newdata = newdata.filter((item) => item.length == lengthValue)
        wordLength.classList.add('tick')
        wordLength.value = lengthValue
      } else {
        wordLength.classList.remove('tick')
      }
      if (newdata.length === 0) {
        main.innerHTML += ''
      } else {
        newWordsLength += newdata.length
        const result = newdata.map((item) => {
          if (item.length === 1) {
            ok = false
            newWordsLength = newWordsLength - 1
          } else {
            let ScrabbleLetterScore = ScrabbleScore()
            sum = 0
            item = item.toLowerCase()
            for (let i = 0; i < item.length; i++) {
              sum += ScrabbleLetterScore[item[i]] || 0 // for unknown characters
            }
            return `<a class="anchor__style" title="Lookup ${item} in Dictionary" target="_blank" href="/word-meaning?search=${item.toLowerCase()}">
            <li>${item}
          <span class="points" value="${sum}" style="position:relative; top:4px; font-size:12px"> ${sum}</span>
            </li></a>`
          }
        })

        if (result[0] !== undefined) {
          tab_container.innerHTML += `
          <input type="button" id="Tab_${i}" onclick="Filtering(${i})" value="${i} Letter"
          class="tab_link  cursorPointer" />
          `
          let tabs = document.getElementsByClassName('tab_link')
          tabs[0] ? tabs[0].classList.add('active-tab') : ''
          main.innerHTML += `
          <div class="allGroupWords wordlistContainer" id="alpha_${i}">
              <div class="wordListHeading">
                  <h3 class="lead">${i} Letter Words</h3>
              </div>
              <div class="wordList">
                  <ul class="ul list-unstyled">
                   ${result.join('')}
                  </ul>
              </div>
          </div>
          `
        }
      }
    }

    if (newWordsLength === 0) {
      errorMsg.innerHTML = 'no words found'
    } else {
      wordCount.innerHTML = `<strong>Found ${newWordsLength} words with letters with ${serachValue.split(
        ''
      )}</strong>`
    }
  }
}

// sorting by points
function sortPointsby(sortValue, data) {
  main.innerHTML = ''
  if (sortValue) {
    let newWordsLength = 0
    for (let i = 15; i >= 0; i--) {
      var newdata = data.filter((item) => item.length === i)
      console.log(newdata)
      if (newdata.length === 0) {
        main.innerHTML += ''
      } else {
        newWordsLength += newdata.length
        var newArray = []
        newdata.map((item) => {
          if (item.length === 1) {
            ok = false
            newWordsLength = newWordsLength - 1
          } else {
            let ScrabbleLetterScore = ScrabbleScore()
            let points = 0
            item = item.toLowerCase()
            for (let i = 0; i < item.length; i++) {
              points += ScrabbleLetterScore[item[i]] || 0 // for unknown characters
            }
            const value = {
              words: item,
              points: points,
            }
            newArray.push(value)
          }
        })

        newArray.sort(function (a, b) {
          return b.points - a.points
        })

        const result = newArray.map((item) => {
          return `<a class="anchor__style" title="Lookup ${item} in Dictionary" target="_blank" href="/word-meaning?search=${item.words}">
          <li>${item.words}
        <span class="points" value="${item.points}" style="position:relative; top:4px; font-size:12px"> ${item.points}</span>
          </li></a>`
        })

        main.innerHTML += `
        <div class="allGroupWords wordlistContainer" id="alpha_${i}">
            <div class="wordListHeading">
                <h3 class="lead">${i} Letter Words</h3>
            </div>
            <div class="wordList">
                <ul class="ul list-unstyled">
                 ${result.join('')}
                </ul>
            </div>
        </div>
        `
      }
    }
  }
}
// sort by aplhabets
function sortby(sortBool, data) {
  if (sortBool) {
    main.innerHTML = ''
    data.reverse()
    let newWordsLength = 0
    for (let i = 15; i >= 0; i--) {
      var newdata = data.filter((item) => item.length === i)

      if (newdata.length === 0) {
        main.innerHTML += ''
      } else {
        newWordsLength += newdata.length

        const result = newdata.map((item) => {
          if (item.length === 1) {
            ok = false
            newWordsLength = newWordsLength - 1
          } else {
            let ScrabbleLetterScore = ScrabbleScore()
            let sum = 0
            item = item.toLowerCase()
            for (let i = 0; i < item.length; i++) {
              sum += ScrabbleLetterScore[item[i]] || 0 // for unknown characters
            }

            return `<a class="anchor__style" title="Lookup ${item} in Dictionary" target="_blank" href="/word-meaning?search=${item.toLowerCase()}">
            <li>${item}
        <span class="points" value="${sum}" style="position:relative; top:4px; font-size:12px"> ${sum}</span>
          </li></a>`
          }
        })

        main.innerHTML += `
        <div class="allGroupWords wordlistContainer" id="alpha_${i}">
            <div class="wordListHeading">
                <h3 class="lead">${i} Letter Words</h3>
            </div>
            <div class="wordList">
                <ul class="ul list-unstyled">
                 ${result.join('')}
                </ul>
            </div>
        </div>
        `
      }
    }
  } else {
    main.innerHTML = ''
    data.sort()
    for (let i = 15; i >= 0; i--) {
      var newdata = data.filter((item) => item.length === i)
      if (newdata.length === 0) {
        main.innerHTML += ''
      } else {
        const result = newdata.map((item) => {
          if (item.length === 1) {
            ok = false
          } else {
            let ScrabbleLetterScore = ScrabbleScore()
            let sum = 0
            item = item.toLowerCase()
            for (let i = 0; i < item.length; i++) {
              sum += ScrabbleLetterScore[item[i]] || 0 // for unknown characters
            }

            return `<a class="anchor__style" title="Lookup ${item} in Dictionary" target="_blank" href="/word-meaning?search=${item.toLowerCase()}">
            <li>${item}
        <span class="points" value="${sum}" style="position:relative; top:4px; font-size:12px"> ${sum}</span>
          </li></a>`
          }
        })
        main.innerHTML += `
        <div class="allGroupWords wordlistContainer" id="alpha_${i}">
            <div class="wordListHeading">
                <h3 class="lead">${i} Letter Words</h3>
            </div>
            <div class="wordList">
                <ul class="ul list-unstyled">
                 ${result.join('')}
                </ul>
            </div>
        </div>
        `
      }
    }
  }
}
// Scrabble Point Array
const ScrabbleScore = () => {
  let twl06_sowpods = {
    a: 1,
    e: 1,
    i: 1,
    o: 1,
    u: 1,
    l: 1,
    n: 1,
    r: 1,
    s: 1,
    t: 1,
    d: 2,
    g: 2,
    b: 3,
    c: 3,
    m: 3,
    p: 3,
    f: 4,
    h: 4,
    v: 4,
    w: 4,
    y: 4,
    k: 5,
    j: 8,
    x: 8,
    q: 10,
    z: 10,
  }

  let wwfScore = {
    a: 1,
    b: 4,
    c: 4,
    d: 2,
    e: 1,
    f: 4,
    g: 3,
    h: 3,
    i: 1,
    j: 10,
    k: 5,
    l: 2,
    m: 4,
    n: 2,
    o: 1,
    p: 4,
    q: 10,
    r: 1,
    s: 1,
    t: 1,
    u: 2,
    v: 5,
    w: 4,
    x: 8,
    y: 3,
    z: 10,
  }

  if (dictonary === 'wwf') {
    return wwfScore
  } else {
    return twl06_sowpods
  }
}
//Handling of filter counter in advanced filter
function addFilterCount() {
  let filter_val = document.getElementsByClassName('filter_val')
  let filter = document.querySelector('.filter_count')
  let filter_count = 0

  filter_val[0].value = prefixValue
  filter_val[1].value = containsValue
  filter_val[2].value = suffixValue
  filter_val[3].value = exculdeValue
  filter_val[4].value = includeValue
  filter_val[5].value = lengthValue

  for (var i = 0; i <= 5; i++) {
    if (filter_val[i].value != '') {
      filter_count += 1
    }
    if (filter_count === 0) {
      filter.style.display = 'none'
    } else {
      filter.style.display = 'inline-block'
    }

    filter.innerHTML = filter_count
  }
}
addFilterCount()

// handling of filter on scroll
window.onscroll = function () {
  var section = document.querySelectorAll('.wordlistContainer')
  let new_sections = {}
  Array.prototype.forEach.call(section, function (e) {
    if (document.body.clientWidth > 991) {
      new_sections[e.id] = e.offsetTop - 10
    } else {
      new_sections[e.id] = e.offsetTop - 10
    }
  })
  var scrollPosition =
    document.documentElement.scrollTop || document.body.scrollTop
  for (i in new_sections) {
    let sort_val = document.querySelector('.sort-select').value
    if (
      i.split('_')[0] == sort_val &&
      new_sections[i] &&
      new_sections[i] <= scrollPosition
    ) {
      document.querySelector('.active-tab').classList.remove('active-tab')
      var active_now = document.querySelector('#Tab_' + i.split('_')[1])
      active_now.classList.add('active-tab')
      active_now.scrollIntoView({ block: 'nearest' })
    }
  }
}
// Add Filtering
let sections = {}
function Filtering(id) {
  let tabs = document.getElementsByClassName('tab_link')
  tabs[0] ? tabs[0].classList.add('active-tab') : ''

  Array.from(tabs).map((item) => {
    item.classList.remove('active-tab')
  })
  main.innerHTML += ``
  let activeLetter = event.target
  activeLetter.classList.add('active-tab')

  var section = document.querySelectorAll('.wordlistContainer')
  var sort_val = document.querySelector('.sort-select').value
  Array.prototype.forEach.call(section, function (e) {
    if (document.body.clientWidth > 991) {
      sections[e.id] = e.offsetTop - 10
    } else {
      sections[e.id] = e.offsetTop - 10
    }
  })

  document.body.scrollTop = sections[sort_val + '_' + id] + 5
}
// next && previous functionality
let prev = document.getElementById('prev')
let next = document.getElementById('next')

if (prev) {
  prev.onclick = scroll_Right
}
if (next) {
  next.onclick = scroll_Left
}
window.addEventListener('resize', function () {
  scroll_visible()
})
window.addEventListener('scroll', function () {
  scroll_visible()
})
function scroll_visible() {
  let tab_container = document.querySelector('#tab-container')

  if (tab_container) {
    if (tab_container.clientWidth === tab_container.scrollWidth) {
      prev.style.display = 'none'
      next.style.display = 'none'
    } else {
      prev.style.display = 'block'
      next.style.display = 'block'
    }
  }
}
scroll_visible()

function scroll_Left() {
  tab_container.scrollLeft += 130
}
function scroll_Right() {
  tab_container.scrollLeft -= 130
}
function findIndex(str, char) {
  const strLength = str.length
  const indexes = []
  let newStr = str

  while (newStr && newStr.indexOf(char) > -1) {
    indexes.push(newStr.indexOf(char) + strLength - newStr.length)
    newStr = newStr.substring(newStr.indexOf(char) + 1)
    newStr = newStr.substring(newStr.indexOf(char) + 1)
  }

  return indexes
}