import { Arch, asArray, copyOrLinkFile, deepAssign, InvalidConfigurationError, log, walk } from "builder-util"
import { Nullish } from "builder-util-runtime"
import { emptyDir, readdir, readFile, writeFile } from "fs-extra"
import * as path from "path"
import { AppXOptions } from "../"
import { getSignVendorPath, isOldWin6 } from "../codeSign/windowsSignToolManager"
import { Target } from "../core"
import { getTemplatePath } from "../util/pathManager"
import { VmManager } from "../vm/vm"
import { WinPackager } from "../winPackager"
import { createStageDir } from "./targetUtil"

const APPX_ASSETS_DIR_NAME = "appx"

const vendorAssetsForDefaultAssets: Record<string, string> = {
  "StoreLogo.png": "SampleAppx.50x50.png",
  "Square150x150Logo.png": "SampleAppx.150x150.png",
  "Square44x44Logo.png": "SampleAppx.44x44.png",
  "Wide310x150Logo.png": "SampleAppx.310x150.png",
}

const restrictedApplicationIdValues = [
  "CON",
  "PRN",
  "AUX",
  "NUL",
  "COM1",
  "COM2",
  "COM3",
  "COM4",
  "COM5",
  "COM6",
  "COM7",
  "COM8",
  "COM9",
  "LPT1",
  "LPT2",
  "LPT3",
  "LPT4",
  "LPT5",
  "LPT6",
  "LPT7",
  "LPT8",
  "LPT9",
]

const DEFAULT_RESOURCE_LANG = "en-US"

export default class AppXTarget extends Target {
  readonly options: AppXOptions = deepAssign({}, this.packager.platformSpecificBuildOptions, this.packager.config.appx)

  isAsyncSupported = false

  constructor(
    private readonly packager: WinPackager,
    readonly outDir: string
  ) {
    super("appx")

    if (process.platform !== "darwin" && (process.platform !== "win32" || isOldWin6())) {
      throw new Error("AppX is supported only on Windows 10 or Windows Server 2012 R2 (version number 6.3+)")
    }
  }

  // https://docs.microsoft.com/en-us/windows/uwp/packaging/create-app-package-with-makeappx-tool#mapping-files
  async build(appOutDir: string, arch: Arch): Promise<any> {
    const packager = this.packager
    const artifactName = packager.expandArtifactBeautyNamePattern(this.options, "appx", arch)
    const artifactPath = path.join(this.outDir, artifactName)
    await packager.info.emitArtifactBuildStarted({
      targetPresentableName: "AppX",
      file: artifactPath,
      arch,
    })

    const vendorPath = await getSignVendorPath()
    const vm = await packager.vm.value

    const stageDir = await createStageDir(this, packager, arch)

    const mappingFile = stageDir.getTempFile("mapping.txt")
    const makeAppXArgs = ["pack", "/o" /* overwrite the output file if it exists */, "/f", vm.toVmFile(mappingFile), "/p", vm.toVmFile(artifactPath)]
    if (packager.compression === "store") {
      makeAppXArgs.push("/nc")
    }

    const mappingList: Array<Array<string>> = []
    mappingList.push(
      await Promise.all(
        (await walk(appOutDir)).map(file => {
          let appxPath = file.substring(appOutDir.length + 1)
          if (path.sep !== "\\") {
            appxPath = appxPath.replace(/\//g, "\\")
          }
          return `"${vm.toVmFile(file)}" "app\\${appxPath}"`
        })
      )
    )

    const userAssetDir = await this.packager.getResource(undefined, APPX_ASSETS_DIR_NAME)
    const assetInfo = await AppXTarget.computeUserAssets(vm, vendorPath, userAssetDir)
    const userAssets = assetInfo.userAssets

    const manifestFile = stageDir.getTempFile("AppxManifest.xml")
    await this.writeManifest(manifestFile, arch, await this.computePublisherName(), userAssets)

    await packager.info.emitAppxManifestCreated(manifestFile)
    mappingList.push(assetInfo.mappings)
    mappingList.push([`"${vm.toVmFile(manifestFile)}" "AppxManifest.xml"`])
    const signToolArch = arch === Arch.arm64 ? "x64" : Arch[arch]

    if (isScaledAssetsProvided(userAssets)) {
      const outFile = vm.toVmFile(stageDir.getTempFile("resources.pri"))
      const makePriPath = vm.toVmFile(path.join(vendorPath, "windows-10", signToolArch, "makepri.exe"))

      const assetRoot = stageDir.getTempFile("appx/assets")
      await emptyDir(assetRoot)
      await Promise.all(assetInfo.allAssets.map(it => copyOrLinkFile(it, path.join(assetRoot, path.basename(it)))))

      await vm.exec(makePriPath, [
        "new",
        "/Overwrite",
        "/Manifest",
        vm.toVmFile(manifestFile),
        "/ProjectRoot",
        vm.toVmFile(path.dirname(assetRoot)),
        "/ConfigXml",
        vm.toVmFile(path.join(getTemplatePath("appx"), "priconfig.xml")),
        "/OutputFile",
        outFile,
      ])

      // in addition to resources.pri, resources.scale-140.pri and other such files will be generated
      for (const resourceFile of (await readdir(stageDir.dir)).filter(it => it.startsWith("resources.")).sort()) {
        mappingList.push([`"${vm.toVmFile(stageDir.getTempFile(resourceFile))}" "${resourceFile}"`])
      }
      makeAppXArgs.push("/l")
    }

    let mapping = "[Files]"
    for (const list of mappingList) {
      mapping += "\r\n" + list.join("\r\n")
    }
    await writeFile(mappingFile, mapping)
    packager.debugLogger.add("appx.mapping", mapping)

    if (this.options.makeappxArgs != null) {
      makeAppXArgs.push(...this.options.makeappxArgs)
    }
    this.buildQueueManager.add(async () => {
      await vm.exec(vm.toVmFile(path.join(vendorPath, "windows-10", signToolArch, "makeappx.exe")), makeAppXArgs)
      await packager.sign(artifactPath)

      await stageDir.cleanup()

      await packager.info.emitArtifactBuildCompleted({
        file: artifactPath,
        packager,
        arch,
        safeArtifactName: packager.computeSafeArtifactName(artifactName, "appx"),
        target: this,
        isWriteUpdateInfo: this.options.electronUpdaterAware,
      })
    })
  }

  private static async computeUserAssets(vm: VmManager, vendorPath: string, userAssetDir: string | null) {
    const mappings: Array<string> = []
    let userAssets: Array<string>
    const allAssets: Array<string> = []
    if (userAssetDir == null) {
      userAssets = []
    } else {
      userAssets = (await readdir(userAssetDir)).filter(it => !it.startsWith(".") && !it.endsWith(".db") && it.includes("."))
      for (const name of userAssets) {
        mappings.push(`"${vm.toVmFile(userAssetDir)}${vm.pathSep}${name}" "assets\\${name}"`)
        allAssets.push(path.join(userAssetDir, name))
      }
    }

    for (const defaultAsset of Object.keys(vendorAssetsForDefaultAssets)) {
      if (userAssets.length === 0 || !isDefaultAssetIncluded(userAssets, defaultAsset)) {
        const file = path.join(vendorPath, "appxAssets", vendorAssetsForDefaultAssets[defaultAsset])
        mappings.push(`"${vm.toVmFile(file)}" "assets\\${defaultAsset}"`)
        allAssets.push(file)
      }
    }

    // we do not use process.arch to build path to tools, because even if you are on x64, ia32 appx tool must be used if you build appx for ia32
    return { userAssets, mappings, allAssets }
  }

  // https://github.com/electron-userland/electron-builder/issues/2108#issuecomment-333200711
  private async computePublisherName() {
    const signtoolManager = await this.packager.signingManager.value
    return signtoolManager.computePublisherName(this, this.options.publisher)
  }

  private async writeManifest(outFile: string, arch: Arch, publisher: string, userAssets: Array<string>) {
    const appInfo = this.packager.appInfo
    const options = this.options
    const executable = `app\\${appInfo.productFilename}.exe`
    const displayName = options.displayName || appInfo.productName
    const extensions = await this.getExtensions(executable, displayName)
    const archSpecificMinVersion = arch === Arch.arm64 ? "10.0.16299.0" : "10.0.14316.0"

    const customManifestPath = await this.packager.getResource(this.options.customManifestPath)
    if (customManifestPath) {
      log.info({ manifestPath: log.filePath(customManifestPath) }, "custom appx manifest found")
    }
    const manifestFileContent = await readFile(customManifestPath || path.join(getTemplatePath("appx"), "appxmanifest.xml"), "utf8")
    const manifest = manifestFileContent.replace(/\${([a-zA-Z0-9]+)}/g, (match, p1): string => {
      switch (p1) {
        case "publisher":
          return publisher

        case "publisherDisplayName": {
          const name = options.publisherDisplayName || appInfo.companyName
          if (name == null) {
            throw new InvalidConfigurationError(`Please specify "author" in the application package.json — it is required because "appx.publisherDisplayName" is not set.`)
          }
          return name
        }

        case "version":
          return appInfo.getVersionInWeirdWindowsForm(options.setBuildNumber === true)

        case "applicationId": {
          const validCharactersRegex = /^([A-Za-z][A-Za-z0-9]*)(\.[A-Za-z][A-Za-z0-9]*)*$/
          const identitynumber = parseInt(options.identityName as string, 10) || NaN
          let result: string
          if (options.applicationId) {
            result = options.applicationId
          } else if (!isNaN(identitynumber) && options.identityName !== null && options.identityName !== undefined) {
            if (options.identityName[0] === "0") {
              log.warn(`Remove the 0${identitynumber}`)
              result = options.identityName.replace("0" + identitynumber.toString(), "")
            } else {
              log.warn(`Remove the ${identitynumber}`)
              result = options.identityName.replace(identitynumber.toString(), "")
            }
          } else {
            result = options.identityName || appInfo.name
          }

          if (result.length < 1 || result.length > 64) {
            const message = `Appx Application.Id with a value between 1 and 64 characters in length`
            throw new InvalidConfigurationError(message)
          } else if (!validCharactersRegex.test(result)) {
            const message = `AppX Application.Id can not be consists of alpha-numeric and period"`
            throw new InvalidConfigurationError(message)
          } else if (restrictedApplicationIdValues.includes(result.toUpperCase())) {
            const message = `AppX identityName.Id can not include restricted values: ${JSON.stringify(restrictedApplicationIdValues)}`
            throw new InvalidConfigurationError(message)
          } else if (result == null && options.applicationId == null) {
            const message = `Please set appx.applicationId (or correct appx.identityName or name)`
            throw new InvalidConfigurationError(message)
          }

          return result
        }

        case "identityName": {
          const result = options.identityName || appInfo.name
          const validCharactersRegex = /^[a-zA-Z0-9.-]+$/
          if (result.length < 3 || result.length > 50) {
            const message = `Appx identityName.Id with a value between 3 and 50 characters in length`
            throw new InvalidConfigurationError(message)
          } else if (!validCharactersRegex.test(result)) {
            const message = `AppX identityName.Id cat be consists of alpha-numeric, period, and dash characters"`
            throw new InvalidConfigurationError(message)
          } else if (restrictedApplicationIdValues.includes(result.toUpperCase())) {
            const message = `AppX identityName.Id can not be some values`
            throw new InvalidConfigurationError(message)
          } else if (result == null && options.identityName == null) {
            const message = `Please set appx.identityName or name`
            throw new InvalidConfigurationError(message)
          }

          return result
        }

        case "executable":
          return executable

        case "displayName":
          return displayName

        case "description":
          return appInfo.description || appInfo.productName

        case "backgroundColor":
          return options.backgroundColor || "#464646"

        case "logo":
          return "assets\\StoreLogo.png"

        case "square150x150Logo":
          return "assets\\Square150x150Logo.png"

        case "square44x44Logo":
          return "assets\\Square44x44Logo.png"

        case "lockScreen":
          return lockScreenTag(userAssets)

        case "defaultTile":
          return defaultTileTag(userAssets, options.showNameOnTiles || false)

        case "splashScreen":
          return splashScreenTag(userAssets)

        case "arch":
          return arch === Arch.ia32 ? "x86" : arch === Arch.arm64 ? "arm64" : "x64"

        case "resourceLanguages":
          return resourceLanguageTag(asArray(options.languages))

        case "extensions":
          return extensions

        case "minVersion":
          return options.minVersion || archSpecificMinVersion

        case "maxVersionTested":
          return options.maxVersionTested || options.minVersion || archSpecificMinVersion

        default:
          throw new Error(`Macro ${p1} is not defined`)
      }
    })
    await writeFile(outFile, manifest)
  }

  private async getExtensions(executable: string, displayName: string): Promise<string> {
    const uriSchemes = asArray(this.packager.config.protocols).concat(asArray(this.packager.platformSpecificBuildOptions.protocols))

    const fileAssociations = asArray(this.packager.config.fileAssociations).concat(asArray(this.packager.platformSpecificBuildOptions.fileAssociations))

    let isAddAutoLaunchExtension = this.options.addAutoLaunchExtension
    if (isAddAutoLaunchExtension === undefined) {
      const deps = this.packager.info.metadata.dependencies
      isAddAutoLaunchExtension = deps != null && deps["electron-winstore-auto-launch"] != null
    }

    if (!isAddAutoLaunchExtension && uriSchemes.length === 0 && fileAssociations.length === 0 && this.options.customExtensionsPath === undefined) {
      return ""
    }

    let extensions = "<Extensions>"

    if (isAddAutoLaunchExtension) {
      extensions += `
        <desktop:Extension Category="windows.startupTask" Executable="${executable}" EntryPoint="Windows.FullTrustApplication">
          <desktop:StartupTask TaskId="SlackStartup" Enabled="true" DisplayName="${displayName}" />
        </desktop:Extension>`
    }

    for (const protocol of uriSchemes) {
      for (const scheme of asArray(protocol.schemes)) {
        extensions += `
          <uap:Extension Category="windows.protocol">
            <uap:Protocol Name="${scheme}">
               <uap:DisplayName>${protocol.name}</uap:DisplayName>
             </uap:Protocol>
          </uap:Extension>`
      }
    }

    for (const fileAssociation of fileAssociations) {
      for (const ext of asArray(fileAssociation.ext)) {
        extensions += `
          <uap:Extension Category="windows.fileTypeAssociation">
            <uap:FileTypeAssociation Name="${ext}">
              <uap:SupportedFileTypes>
                <uap:FileType>.${ext}</uap:FileType>
              </uap:SupportedFileTypes>
            </uap:FileTypeAssociation>
          </uap:Extension>`
      }
    }

    if (this.options.customExtensionsPath !== undefined) {
      const extensionsPath = path.resolve(this.packager.info.appDir, this.options.customExtensionsPath)
      extensions += await readFile(extensionsPath, "utf8")
    }

    extensions += "</Extensions>"
    return extensions
  }
}

// get the resource - language tag, see https://docs.microsoft.com/en-us/windows/uwp/globalizing/manage-language-and-region#specify-the-supported-languages-in-the-apps-manifest
function resourceLanguageTag(userLanguages: Array<string> | Nullish): string {
  if (userLanguages == null || userLanguages.length === 0) {
    userLanguages = [DEFAULT_RESOURCE_LANG]
  }
  return userLanguages.map(it => `<Resource Language="${it.replace(/_/g, "-")}" />`).join("\n")
}

function lockScreenTag(userAssets: Array<string>): string {
  if (isDefaultAssetIncluded(userAssets, "BadgeLogo.png")) {
    return '<uap:LockScreen Notification="badgeAndTileText" BadgeLogo="assets\\BadgeLogo.png" />'
  } else {
    return ""
  }
}

function defaultTileTag(userAssets: Array<string>, showNameOnTiles: boolean): string {
  const defaultTiles: Array<string> = ["<uap:DefaultTile", 'Wide310x150Logo="assets\\Wide310x150Logo.png"']

  if (isDefaultAssetIncluded(userAssets, "LargeTile.png")) {
    defaultTiles.push('Square310x310Logo="assets\\LargeTile.png"')
  }
  if (isDefaultAssetIncluded(userAssets, "SmallTile.png")) {
    defaultTiles.push('Square71x71Logo="assets\\SmallTile.png"')
  }

  if (showNameOnTiles) {
    defaultTiles.push(">")
    defaultTiles.push("<uap:ShowNameOnTiles>")
    defaultTiles.push("<uap:ShowOn", 'Tile="wide310x150Logo"', "/>")
    defaultTiles.push("<uap:ShowOn", 'Tile="square150x150Logo"', "/>")
    defaultTiles.push("</uap:ShowNameOnTiles>")
    defaultTiles.push("</uap:DefaultTile>")
  } else {
    defaultTiles.push("/>")
  }
  return defaultTiles.join(" ")
}

function splashScreenTag(userAssets: Array<string>): string {
  if (isDefaultAssetIncluded(userAssets, "SplashScreen.png")) {
    return '<uap:SplashScreen Image="assets\\SplashScreen.png" />'
  } else {
    return ""
  }
}

function isDefaultAssetIncluded(userAssets: Array<string>, defaultAsset: string) {
  const defaultAssetName = defaultAsset.substring(0, defaultAsset.indexOf("."))
  return userAssets.some(it => it.includes(defaultAssetName))
}

function isScaledAssetsProvided(userAssets: Array<string>) {
  return userAssets.some(it => it.includes(".scale-") || it.includes(".targetsize-"))
}