import { getProjectTypeForUrlShorthand } from '~/helpers/projects.js'

export default defineNuxtPlugin((nuxtApp) => {
  const tagStore = useTags()

  nuxtApp.provide('formatNumber', formatNumber)
  nuxtApp.provide('capitalizeString', capitalizeString)
  nuxtApp.provide('formatMoney', formatMoney)
  nuxtApp.provide('formatVersion', (versionsArray) => formatVersions(tagStore, versionsArray))
  nuxtApp.provide('orElse', (first, otherwise) => first ?? otherwise)
  nuxtApp.provide('external', () => {
    const cosmeticsStore = useCosmetics().value

    return cosmeticsStore.externalLinksNewTab ? '_blank' : ''
  })
  nuxtApp.provide('formatBytes', formatBytes)
  nuxtApp.provide('formatWallet', formatWallet)
  nuxtApp.provide('formatProjectType', formatProjectType)
  nuxtApp.provide('formatCategory', formatCategory)
  nuxtApp.provide('formatCategoryHeader', formatCategoryHeader)
  nuxtApp.provide('formatProjectStatus', formatProjectStatus)

  /*
    Only use on the complete list of versions for a project, partial lists will generate
    the wrong version slugs
  */
  nuxtApp.provide('computeVersions', (versions, members) => {
    const visitedVersions = []
    const returnVersions = []

    const authorMembers = {}

    for (const version of versions.sort(
      (a, b) => nuxtApp.$dayjs(a.date_published) - nuxtApp.$dayjs(b.date_published)
    )) {
      if (visitedVersions.includes(version.version_number)) {
        visitedVersions.push(version.version_number)
        version.displayUrlEnding = version.id
      } else {
        visitedVersions.push(version.version_number)
        version.displayUrlEnding = version.version_number
      }
      version.primaryFile = version.files.find((file) => file.primary) ?? version.files[0]

      if (!version.primaryFile) {
        version.primaryFile = {
          hashes: {
            sha1: '',
            sha512: '',
          },
          url: '#',
          filename: 'unknown',
          primary: false,
          size: 0,
          file_type: null,
        }
      }

      version.author = authorMembers[version.author_id]
      if (!version.author) {
        version.author = members.find((x) => x.user.id === version.author_id)
        authorMembers[version.author_id] = version.author
      }

      returnVersions.push(version)
    }

    return returnVersions
      .reverse()
      .map((version, index) => {
        const nextVersion = returnVersions[index + 1]
        if (nextVersion && version.changelog && nextVersion.changelog === version.changelog) {
          return { duplicate: true, ...version }
        } else {
          return { duplicate: false, ...version }
        }
      })
      .sort((a, b) => nuxtApp.$dayjs(b.date_published) - nuxtApp.$dayjs(a.date_published))
  })
  nuxtApp.provide('getProjectTypeForDisplay', (type, categories) => {
    if (type === 'mod') {
      const isPlugin = categories.some((category) => {
        return tagStore.value.loaderData.allPluginLoaders.includes(category)
      })
      const isMod = categories.some((category) => {
        return tagStore.value.loaderData.modLoaders.includes(category)
      })
      const isDataPack = categories.some((category) => {
        return tagStore.value.loaderData.dataPackLoaders.includes(category)
      })

      if (isMod && isPlugin && isDataPack) {
        return 'mod, plugin, and data pack'
      } else if (isMod && isPlugin) {
        return 'mod and plugin'
      } else if (isMod && isDataPack) {
        return 'mod and data pack'
      } else if (isPlugin && isDataPack) {
        return 'plugin and data pack'
      } else if (isDataPack) {
        return 'data pack'
      } else if (isPlugin) {
        return 'plugin'
      }
    }

    return type
  })
  nuxtApp.provide('getProjectTypeForUrl', (type, loaders, tags) =>
    getProjectTypeForUrlShorthand(type, loaders, tags)
  )
  nuxtApp.provide('cycleValue', cycleValue)
  nuxtApp.provide('sortedCategories', () => {
    return tagStore.value.categories.slice().sort((a, b) => {
      const headerCompare = a.header.localeCompare(b.header)
      if (headerCompare !== 0) {
        return headerCompare
      }
      if (a.header === 'resolutions' && b.header === 'resolutions') {
        return a.name.replace(/\D/g, '') - b.name.replace(/\D/g, '')
      } else if (a.header === 'performance impact' && b.header === 'performance impact') {
        const x = ['potato', 'low', 'medium', 'high', 'screenshot']

        return x.indexOf(a.name) - x.indexOf(b.name)
      }
      return 0
    })
  })
  nuxtApp.provide('notify', (notif) => addNotification(notif))
})
export const formatNumber = (number, abbreviate = true) => {
  const x = +number
  if (x >= 1000000 && abbreviate) {
    return (x / 1000000).toFixed(2).toString() + 'M'
  } else if (x >= 10000 && abbreviate) {
    return (x / 1000).toFixed(1).toString() + 'k'
  } else {
    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',')
  }
}

export const formatMoney = (number, abbreviate = false) => {
  number = Math.floor(number * 100) / 100
  const x = +number
  if (x >= 1000000 && abbreviate) {
    return '$' + (x / 1000000).toFixed(2).toString() + 'M'
  } else if (x >= 10000 && abbreviate) {
    return '$' + (x / 1000).toFixed(2).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 === 'neoforge') {
    return 'NeoForge'
  } 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'
  } else if (name === 'mrpack') {
    return 'Modpack'
  } else if (name === 'minecraft') {
    return 'Resource Pack'
  } else if (name === 'vanilla') {
    return 'Vanilla Shader'
  }

  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 = (tag, versionArray) => {
  const allVersions = tag.value.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.length === 0 ? versionArray : output).join(', ')
}

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