export const formatNumber = (number) => {
  const x = +number
  if (x >= 1000000) {
    return (x / 1000000).toFixed(2).toString() + 'M'
  } else if (x >= 10000) {
    return (x / 1000).toFixed(1).toString() + 'K'
  } else {
    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',')
  }
}

export function formatMoney(number) {
  const x = +number
  if (x >= 1000000) {
    return '$' + (x / 1000000).toFixed(2).toString() + 'M'
  } else if (x >= 10000) {
    return '$' + (x / 1000).toFixed(1).toString() + 'K'
  } else {
    return (
      '$' +
      x
        .toFixed(2)
        .toString()
        .replace(/\B(?=(\d{3})+(?!\d))/g, ',')
    )
  }
}

export const formatBytes = (bytes, decimals = 2) => {
  if (bytes === 0) return '0 Bytes'

  const k = 1024
  const dm = decimals < 0 ? 0 : decimals
  const sizes = ['Bytes', 'KiB', 'MiB', 'GiB']

  const i = Math.floor(Math.log(bytes) / Math.log(k))

  return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]
}

export const capitalizeString = (name) => {
  return name ? name.charAt(0).toUpperCase() + name.slice(1) : name
}

export const formatWallet = (name) => {
  if (name === 'paypal') {
    return 'PayPal'
  }
  return capitalizeString(name)
}

export const formatProjectType = (name) => {
  if (name === 'resourcepack') {
    return 'Resource Pack'
  } else if (name === 'datapack') {
    return 'Data Pack'
  }

  return capitalizeString(name)
}

export const formatCategory = (name) => {
  if (name === 'modloader') {
    return "Risugami's ModLoader"
  } else if (name === 'bungeecord') {
    return 'BungeeCord'
  } else if (name === 'liteloader') {
    return 'LiteLoader'
  } else if (name === 'game-mechanics') {
    return 'Game Mechanics'
  } else if (name === 'worldgen') {
    return 'World Generation'
  } else if (name === 'core-shaders') {
    return 'Core Shaders'
  } else if (name === 'gui') {
    return 'GUI'
  } else if (name === '8x-') {
    return '8x or lower'
  } else if (name === '512x+') {
    return '512x or higher'
  } else if (name === 'kitchen-sink') {
    return 'Kitchen Sink'
  } else if (name === 'path-tracing') {
    return 'Path Tracing'
  } else if (name === 'pbr') {
    return 'PBR'
  } else if (name === 'datapack') {
    return 'Data Pack'
  } else if (name === 'colored-lighting') {
    return 'Colored Lighting'
  } else if (name === 'optifine') {
    return 'OptiFine'
  }

  return capitalizeString(name)
}

export const formatCategoryHeader = (name) => {
  return capitalizeString(name)
}

export const formatProjectStatus = (name) => {
  if (name === 'approved') {
    return 'Listed'
  } else if (name === 'processing') {
    return 'Under review'
  }

  return capitalizeString(name)
}

export const formatVersions = (versionArray, store) => {
  const allVersions = store.state.tag.gameVersions.slice().reverse()
  const allReleases = allVersions.filter((x) => x.version_type === 'release')

  const intervals = []
  let currentInterval = 0

  for (let i = 0; i < versionArray.length; i++) {
    const index = allVersions.findIndex((x) => x.version === versionArray[i])
    const releaseIndex = allReleases.findIndex((x) => x.version === versionArray[i])

    if (i === 0) {
      intervals.push([[versionArray[i], index, releaseIndex]])
    } else {
      const intervalBase = intervals[currentInterval]

      if (
        (index - intervalBase[intervalBase.length - 1][1] === 1 ||
          releaseIndex - intervalBase[intervalBase.length - 1][2] === 1) &&
        (allVersions[intervalBase[0][1]].version_type === 'release' ||
          allVersions[index].version_type !== 'release')
      ) {
        intervalBase[1] = [versionArray[i], index, releaseIndex]
      } else {
        currentInterval += 1
        intervals[currentInterval] = [[versionArray[i], index, releaseIndex]]
      }
    }
  }

  const newIntervals = []
  for (let i = 0; i < intervals.length; i++) {
    const interval = intervals[i]

    if (interval.length === 2 && interval[0][2] !== -1 && interval[1][2] === -1) {
      let lastSnapshot = null
      for (let j = interval[1][1]; j > interval[0][1]; j--) {
        if (allVersions[j].version_type === 'release') {
          newIntervals.push([
            interval[0],
            [
              allVersions[j].version,
              j,
              allReleases.findIndex((x) => x.version === allVersions[j].version),
            ],
          ])

          if (lastSnapshot !== null && lastSnapshot !== j + 1) {
            newIntervals.push([[allVersions[lastSnapshot].version, lastSnapshot, -1], interval[1]])
          } else {
            newIntervals.push([interval[1]])
          }

          break
        } else {
          lastSnapshot = j
        }
      }
    } else {
      newIntervals.push(interval)
    }
  }

  const output = []

  for (const interval of newIntervals) {
    if (interval.length === 2) {
      output.push(`${interval[0][0]}—${interval[1][0]}`)
    } else {
      output.push(interval[0][0])
    }
  }

  return output.join(', ')
}

export function cycleValue(value, values) {
  const index = values.indexOf(value) + 1
  return values[index % values.length]
}