Alik ledničkovač

// Apply for url RegEx .*/lednicka

// m: "Počet minut"
// h: "Trojnásobek počtu hodin"
// d: "Dvojnásobek čísla dne"
// M: "Pětinásobek čísla měsíce"

// k: "Dvoutisícina našetřených kaček"
// c: "Trojnásobek lidí v klubovně"

// r: "Hod hexeraktem"

// 1: "Jedničku"
// o: "Odmražení čtyřčíslí"


window.addEventListener('load', () => {
  if (!location.href.includes('-')) {
    setInterval(async () => {
      // const kacek = Number(document.getElementById('pocet-kacek').innerText.replace(/\s|!/,''))
      const lidi = document.getElementById('pocet-lidi').dataset.lidi
      if (lidi) {
        localStorage.xxlidi = lidi
      }

      if (!localStorage.xxlast || +localStorage.xxlast < (Date.now() - 1000 * 60 * 60 )) { // only once per hour
        const resp = await fetch('https://www.alik.cz/s/konto')
        const html = await resp.text()
        const kacek = +html.match(/maxima ([0-9\s]+) tebou/)[1].replace(/\s/g, '')
        localStorage.xxlast = Date.now()
        localStorage.xxkacek = kacek
      }
    }, 5000)
  }
})

const isPrime = num => {
  for (let i = 2, s = Math.sqrt(num); i <= s; i++) {
    if(num % i === 0) {
      return false
    }
  }
  return num > 1
}

const getValue = (id) => {
  const count = +document.querySelector('#cislo').firstChild.textContent.replace(/\s/g, '')
  const now = new Date()
  const lednicka = [...document.querySelectorAll('#historie tr td+td')]
    .map(el => Number(el.innerText.replace(/\s/g,'')))
    .reduce((sum, val, i) => sum + val*((100-i)/100))
  const val = {
    m: now.getMinutes(),
    h: now.getHours() * 3,
    d: now.getDate() * 2,
    M: (now.getMonth()+1) * 5,

    1: '~' + Math.floor(lednicka / 150),

    k: Math.floor(+localStorage.xxkacek / 2000),
    c: +((localStorage.xxlidi).replace('!','')) * 3,
    r: '~46',

    o: '~' + (isPrime(count) ? 10000 - count % 10000 : 0)
  }[id]

  return val === undefined ? '???' : val
}


const evaluate = () => {
  const buttons = [...document.querySelectorAll('button[name=pricti]')]
  const countEl = document.querySelector('#cislo')

  const count = +countEl.firstChild.textContent.replace(/\s/g, '')

  // mark count as prime if prime
  if (countEl.lastElementChild.tagName === "SMALL") {
    countEl.appendChild(document.createElement('span'))
  }
  if (isPrime(count)) {
    countEl.lastElementChild.innerText = ' prvočíslo!'
  } else {
    countEl.lastElementChild.innerText = ''
  }

  const vals = {}
  buttons.forEach(button => {
    vals[button.value] = getValue(button.value)
  })

  const max = Object.values(vals).reduce((max, value) => {
    if (typeof value === 'number') {
      return Math.max(max, value)
    }
    return max
  }, 0)

  buttons.forEach(button => {
    const text = button.innerText
    const label = text.split(' = ')[0]
    const value = vals[button.value]
    if (typeof value === 'number' && value !== max) {
      // button.disabled = true
    } else {
      // button.disabled = false
    }

    const willPrimeText = isPrime(count + value)
      ? ' (udělá prvočíslo)'
      : ''

    button.innerHTML = `${label} = ${value} ${willPrimeText}`
  })

  const rawVal = (btn) => Number(btn.innerText.replace(/[^0-9]/g,''))

  // show to next prime
  let toNextPrime = 0
  let i
  for (i = 0; i < 1000; i++) {
    if (isPrime(count + i )) {
      toNextPrime = i
      break
    }
  }
  if (i === 1000) {
    i = '999+'
  }
  if (buttons.length) {
    const parent = buttons[0].parentElement
    if (parent.firstElementChild.tagName !== 'SPAN') {
      parent.insertBefore(document.createElement('span'), buttons[0])
    }
    parent.firstElementChild.innerText = `${toNextPrime} do dalšího prvočísla`
  }

  // sort buttons
  buttons
    .sort((a, b) => rawVal(b) - rawVal(a))
    .forEach(button => {
      button.parentElement.appendChild(button)
    })

}

if (location.href.includes('-')) {

  setTimeout(evaluate, 100)
  setInterval(evaluate, 2000)
}



// const rand = (min, max) => {
//   return min + Math.floor(Math.random() * (max-min+1))
// }

// const numbers = []
// const MAX = 1000000

// for (let i = 0; i < 50; i++) {
//   for (let i = 0; i < MAX; i++) {
//     numbers[i] = rand(rand(2,5),rand(30, rand(60, 240)))
//   }
//   const avg = numbers.reduce((sum, val) => (sum + val), 0) / MAX
//   console.log('avg', avg)
// }