import type { Request } from 'express'
import type { Failbot } from '@github/failbot'

import type enterpriseServerReleases from '@/versions/lib/enterprise-server-releases.d'
import type { ValidOcticon } from '@/landings/types'
import type { Language, Languages } from '@/languages/lib/languages-server'
import type { MiniTocItem } from '@/frame/lib/get-mini-toc-items'
import type { UIStrings } from '@/frame/components/context/MainContext'

// Shared type for resolved article information used across landing pages and carousels
export interface ResolvedArticle {
  title: string
  intro: string
  href: string
  category: string[]
}

// Throughout our codebase we "extend" the Request object by attaching
// things to it. For example `req.context = { currentCategory: 'foo' }`.
// This type aims to match all the custom things we do to requests
// througout the codebase.
export type ExtendedRequest = Request & {
  pagePath?: string
  context?: Context
  language?: string
  userLanguage?: string
  FailBot?: Failbot
}

// TODO: Make this type from inference using AJV based on the schema.
// For now, it's based on `schema` in frame/lib/frontmatter.ts
export type PageFrontmatter = {
  title: string
  versions: FrontmatterVersions
  shortTitle?: string
  intro?: string
  product?: string
  permissions?: string
  showMiniToc?: boolean
  miniTocMaxHeadingLevel?: number
  subcategory?: boolean
  hidden?: boolean
  noEarlyAccessBanner?: boolean
  earlyAccessToc?: string
  layout?: string | boolean
  redirect_from?: string[]
  allowTitleToDifferFromFilename?: boolean
  introLinks?: object
  authors?: string[]
  examples_source?: string
  effectiveDate?: string
  featuredLinks?: FeaturedLinks
  changelog?: ChangeLog
  type?: string
  contentType?: string
  topics?: string[]
  includeGuides?: string[]
  learningTracks?: string[]
  beta_product?: boolean
  product_video?: boolean
  product_video_transcript?: string
  interactive?: boolean
  communityRedirect?: {
    name: string
    href: string
  }
  defaultPlatform?: 'mac' | 'windows' | 'linux'
  defaultTool?: string
  childGroups?: ChildGroup[]
  sidebarLink?: SidebarLink
  spotlight?: SpotlightItem[]
}

type FeaturedLinks = {
  gettingStarted?: string[]
  startHere?: string[]
  guideCards?: string[]
  popular?: string[]
  popularHeading?: string
  videos?: {
    title: string
    href: string
  }[]
  videoHeadings?: string
}

export type ChildGroup = {
  name: string
  octicon: string
  children: string[]
  icon?: string
}

export type SpotlightItem = {
  article: string
  image: string
}

export type Product = {
  id: string
  name: string
  href: string
  dir?: string
  toc?: string
  wip?: boolean
  hidden?: boolean
  versions?: string[]
  external?: boolean
}

type ProductMap = {
  [key: string]: Product
}

export type ProductNames = {
  [shortName: string]: string
}

type Redirects = {
  [key: string]: string
}

export type Context = {
  // Allows dynamic properties like features & version shortnames as keys
  [key: string]: unknown
  currentCategory?: string
  error?: Error
  siteTree?: SiteTree
  pages?: Record<string, Page>
  productMap?: ProductMap
  redirects?: Redirects
  currentLanguage?: string
  userLanguage?: string
  currentPath?: string
  allVersions?: AllVersions
  currentPathWithoutLanguage?: string
  currentArticle?: string
  query?: Record<string, unknown>
  relativePath?: string
  page?: Page
  enPage?: Page
  productNames?: ProductNames
  currentVersion?: string
  process?: { env: Record<string, string> }
  site?: {
    data: {
      ui: UIStrings
    }
  }
  currentVersionObj?: Version
  currentProduct?: string
  getEnglishPage?: (ctx: Context) => Page
  getDottedData?: (dottedPath: string) => unknown
  initialRestVersioningReleaseDate?: string
  initialRestVersioningReleaseDateLong?: string
  nonEnterpriseDefaultVersion?: string
  enterpriseServerVersions?: string[]
  enterpriseServerReleases?: typeof enterpriseServerReleases
  languages?: Languages
  redirectNotFound?: string
  earlyAccessPageLinks?: string
  changelogUrl?: string
  whatsNewChangelog?: ChangelogItem[]
  secretScanningData?: SecretScanningData[]
  ghesReleases?: GHESRelease[]
  ghesReleaseNotes?: GHESReleasePatch[]
  autotitleLanguage?: string
  latestPatch?: string
  latestRelease?: string
  currentLayoutName?: string
  currentEnglishTree?: Tree
  currentProductTree?: Tree
  currentProductTreeTitles?: TitlesTree
  currentProductTreeTitlesExcludeHidden?: TitlesTree | null
  sidebarTree?: TitlesTree
  genericTocFlat?: ToC[]
  genericTocNested?: ToC[]
  breadcrumbs?: Breadcrumb[]
  glossaries?: Glossary[]
  currentProductName?: string
  productCommunityExamples?: ProductExample[]
  productUserExamples?: ProductExample[]
  productGroups?: ProductGroup[]
  featuredLinks?: FeaturedLinksExpanded
  currentLearningTrack?: LearningTrack | null
  renderedPage?: string
  miniTocItems?: MiniTocItem[]
  markdownRequested?: boolean
}
export type LearningTracks = {
  [group: string]: {
    [track: string]: {
      title: string
      description: string
      versions?: FrontmatterVersions
      guides: string[]
    }
  }
}
export type LearningTrack = {
  trackName: string
  trackProduct: string
  trackTitle: string
  numberOfGuides?: number
  currentGuideIndex?: number
  nextGuide?: {
    href: string
    title: string | undefined
  }
  prevGuide?: {
    href: string
    title: string | undefined
  }
}

export type TrackGuide = {
  href: string
  page: Page
  title: string
  intro: string
}

export type FeaturedLinkExpanded = {
  href: string
  title: string
  page?: Page
  fullTitle?: string
  intro?: string
}

export type FeaturedLinksExpanded = {
  [key: string]: FeaturedLinkExpanded[]
}

export type ProductGroup = {
  name: string
  icon: string | null
  octicon: string | null
  children: ProductGroupChild[]
}

export type ProductGroupChild = {
  id: string
  name: string
  href: string
  external: boolean
}

export type Glossary = {
  term: string
  description: string
}

type Breadcrumb = {
  title: string
  href: string
}

export type ToC = {
  title: string
  fullPath: string
  intro: string | null
  octicon: ValidOcticon | null
  category: string[] | null
  complexity: string[] | null
  industry: string[] | null
  childTocItems: ToC[]
}

export type GHESRelease = {
  version: string
  patches: GHESReleasePatch[]
  isReleaseCandidate: boolean
  firstPreviousRelease?: string
  secondPreviousRelease?: string
}

type ReleasePatchSectionNote = {
  heading: string
  notes: string[]
}

type ReleasePatchSection = {
  security_fixes?: string[] | ReleasePatchSectionNote[]
  known_issues?: string[] | ReleasePatchSectionNote[]
  features?: string[] | ReleasePatchSectionNote[]
  deprecations?: string[] | ReleasePatchSectionNote[]
  bugs?: string[] | ReleasePatchSectionNote[]
  errata?: string[] | ReleasePatchSectionNote[]
  backups?: string[] | ReleasePatchSectionNote[]
}

export type GHESReleasePatch = {
  version: string
  patchVersion: string
  downloadVersion: string
  release: string
  date: string
  release_candidate?: boolean
  deprecated?: boolean
  intro?: string
  sections: ReleasePatchSection
}

export type ReleaseNotes = {
  [majorVersion: string]: {
    [minorVersion: string]: GHESReleasePatch
  }
}

export type ChangelogItem = {
  title: string
  date: string
  href: string
}

export type SecretScanningData = {
  provider: string
  supportedSecret: string
  secretType: string
  versions: Record<string, string>
  isPublic: boolean
  isPrivateWithGhas: boolean
  hasPushProtection: boolean
  hasValidityCheck: boolean | string
  ismultipart?: boolean
  base64Supported: boolean
  isduplicate: boolean
}

// Language and Languages types are imported at the top from languages-server
export type { Language, Languages }

export type Permalink = {
  languageCode: string
  pageVersion: string
  title: string
  href: string
  hrefWithoutLanguage: string
}

export type FrontmatterVersions = {
  feature?: string
  fpt?: string
  ghec?: string
  ghes?: string
}

export type Page = {
  mtime: number
  permalinks: Permalink[]
  fullPath: string
  relativePath: string
  title: string
  rawTitle: string
  shortTitle?: string
  rawShortTitle?: string
  intro: string
  rawIntro?: string
  hidden?: boolean
  rawPermissions?: string
  languageCode: string
  documentType: string
  renderProp: (prop: string, context: Context, opts?: Record<string, unknown>) => Promise<string>
  renderTitle: (context: Context, opts?: Record<string, unknown>) => Promise<string>
  markdown: string
  versions: FrontmatterVersions
  applicableVersions: string[]
  changelog?: ChangeLog
  layout?: string | boolean
  earlyAccessToc?: boolean
  autogenerated?: string
  featuredLinks?: FeaturedLinksExpanded
  redirect_from?: string[]
  showMiniToc?: boolean
  effectiveDate?: string
  fullTitle?: string
  render: (context: Context) => Promise<string>
  buildRedirects: () => Record<string, string>
  octicon?: string
  category?: string[]
  complexity?: string[]
  industry?: string[]
  sidebarLink?: SidebarLink
  type?: string
  contentType?: string
}

export type SidebarLink = {
  text: string
  href: string
}

type ChangeLog = {
  label: string
  prefix?: string
  versions?: FrontmatterVersions
}

export type TitlesTree = {
  href: string
  title: string
  shortTitle?: string
  documentType?: string
  childPages: TitlesTree[]
  hidden?: boolean
  sidebarLink?: SidebarLink
  layout?: string
}

export type Tree = {
  page: Page
  children: string[] | undefined
  href: string
  childPages: Tree[]
}
export type VersionedTree = {
  [version: string]: Tree
}

export type SiteTree = {
  [languageCode: string]: VersionedTree
}

export type UnversionedTree = {
  page: Page
  children: string[]
  childPages: UnversionedTree[]
}

export type UnversionLanguageTree = {
  [languageCode: string]: UnversionedTree
}

export type Site = {
  pages: Record<string, Page>
  redirects: Redirects
  unversionedTree: UnversionLanguageTree
  siteTree: SiteTree
  pageList: Page[]
  pageMap: Record<string, Page>
}

export type Version = {
  version: string
  versionTitle: string
  latestVersion: string
  currentRelease: string
  openApiVersionName: string
  miscVersionName: string
  apiVersions: string[]
  latestApiVersion: string
  plan: string
  planTitle: string
  shortName: string
  releases: string[]
  latestRelease: string
  hasNumberedReleases: boolean
  openApiBaseName: string
  miscBaseName: string
  nonEnterpriseDefault?: boolean
}

export type AllVersions = {
  [name: string]: Version
}

// Use this when constructing a URLSearchParams object from a `req.query`.
// E.g. `const sp = new URLSearchParams(req.query as URLSearchParamsTypes)`
// It's useful because otherwise you might get a TypeScript error that
// is not possible to happen at runtime.
export type URLSearchParamsTypes = string | string[][] | Record<string, string> | URLSearchParams

export type ProductExample = {
  repo?: string
  user?: string
  description: string
}

export type FeatureData = {
  [key: string]: Versions
}
export type Versions = {
  versions: FrontmatterVersions
}

// Used for parsing .md pages with YAML frontmatter
// This is not the full list available in the frontmatter schema
export type MarkdownFrontmatter = {
  title: string
  shortTitle?: string
  children: string[]
  allowTitleToDifferFromFilename?: boolean
  versions: FrontmatterVersions
  subcategory?: boolean
  hidden?: boolean
  type?: string
  contentType?: string
}