import type { NotionInfo, PreProcessingRule } from '@dify/contracts/api/console/datasets/types.gen'
import type { DataSourceNotionPage, DataSourceProvider } from './common'
import type { IndexingType } from '@/app/components/datasets/create/step-two'
import type { AppIconType, RetrievalConfig, TransferMethod } from '@/types/app'
import type { I18nKeysByPrefix } from '@/types/i18n'

export const DataSourceType = {
  FILE: 'upload_file',
  NOTION: 'notion_import',
  WEB: 'website_crawl',
} as const

export type DataSourceType = (typeof DataSourceType)[keyof typeof DataSourceType]

export const ChunkingMode = {
  text: 'text_model', // General text
  qa: 'qa_model', // General QA
  parentChild: 'hierarchical_model', // Parent-Child
  // graph = 'graph', // todo: Graph RAG
} as const

export type ChunkingMode = (typeof ChunkingMode)[keyof typeof ChunkingMode]

export type IconInfo = {
  icon: string
  icon_background?: string
  icon_type: AppIconType
  icon_url?: string
}

export type SummaryIndexSetting = {
  enable?: boolean
  model_name?: string
  model_provider_name?: string
  summary_prompt?: string
}

export type CustomFile = File & {
  id?: string
  extension?: string
  mime_type?: string
  created_by?: string
  created_at?: number
}

export type DocumentItem = {
  id: string
  name: string
  extension: string
}

export type CrawlOptions = {
  crawl_sub_pages: boolean
  only_main_content: boolean
  includes: string
  excludes: string
  limit: number | string
  max_depth: number | string
  use_sitemap: boolean
}

export type CrawlResultItem = {
  title: string
  markdown: string
  description: string
  source_url: string
}

export type CrawlResult = {
  data: CrawlResultItem[]
  time_consuming: number | string
}

export const CrawlStep = {
  init: 'init',
  running: 'running',
  finished: 'finished',
} as const

export type CrawlStep = (typeof CrawlStep)[keyof typeof CrawlStep]

export type FileItem = {
  fileID: string
  file: CustomFile
  progress: number
}

export type FetchDatasetsParams = {
  params: {
    page: number
    ids?: string[]
    tag_ids?: string[]
    limit?: number
    include_all?: boolean
    keyword?: string
  }
}

export type QA = {
  question: string
  answer: string
}

export const ProcessMode = {
  general: 'custom',
  parentChild: 'hierarchical',
} as const

export type ProcessMode = (typeof ProcessMode)[keyof typeof ProcessMode]

export type ParentMode = 'full-doc' | 'paragraph'

export type Rules = {
  pre_processing_rules: PreProcessingRule[]
  segmentation: Segmentation
  parent_mode?: ParentMode
  subchunk_segmentation?: Segmentation
}

type Segmentation = {
  separator: string
  max_tokens: number
  chunk_overlap?: number
}

export const DisplayStatusList = [
  'queuing',
  'indexing',
  'paused',
  'error',
  'available',
  'enabled',
  'disabled',
  'archived',
] as const

export type DocumentDisplayStatus = (typeof DisplayStatusList)[number]

export const isDocumentDisplayStatus = (value: unknown): value is DocumentDisplayStatus =>
  DisplayStatusList.some((status) => status === value)

export type LegacyDataSourceInfo = {
  upload_file: {
    id: string
    name: string
    size: number
    mime_type: string
    created_at: number
    created_by: string
    extension: string
  }
  notion_page_icon?: string
  notion_workspace_id?: string
  notion_page_id?: string
  provider?: DataSourceProvider
  job_id: string
  url: string
  credential_id?: string
}

export type LocalFileInfo = {
  extension: string
  mime_type: string
  name: string
  related_id: string
  size: number
  transfer_method: TransferMethod
  url: string
}

export type WebsiteCrawlInfo = {
  content: string
  credential_id: string
  description: string
  source_url: string
  title: string
  provider?: string
  job_id?: string
}

export type OnlineDocumentInfo = {
  credential_id: string
  workspace_id: string
  page: {
    last_edited_time: string
    page_icon: DataSourceNotionPage['page_icon']
    page_id: string
    page_name: string
    parent_id: string
    type: string
  }
}

export type UploadFileIdInfo = {
  upload_file_id: string
}

type DocumentReq = {
  original_document_id?: string
  indexing_technique?: IndexingType
  doc_form: ChunkingMode
  doc_language: string
  process_rule: ProcessRule
  summary_index_setting?: SummaryIndexSetting
}

export type CreateDocumentReq = Omit<DocumentReq, 'indexing_technique'> & {
  indexing_technique: IndexingType
  data_source: DataSource
  retrieval_model: RetrievalConfig
  embedding_model: string
  embedding_model_provider: string
}

type DataSource = {
  type: DataSourceType
  info_list: {
    data_source_type: DataSourceType
    notion_info_list?: NotionInfo[]
    file_info_list?: {
      file_ids: string[]
    }
    website_info_list?: {
      provider: string
      job_id: string
      urls: string[]
    }
  }
}

export type ProcessRule = {
  mode: ProcessMode
  rules: Rules
  summary_index_setting?: SummaryIndexSetting
}

type CustomizableDocType =
  | 'book'
  | 'web_page'
  | 'paper'
  | 'social_media_post'
  | 'personal_document'
  | 'business_document'
  | 'im_chat_log'
type FixedDocType = 'synced_from_github' | 'synced_from_notion' | 'wikipedia_entry'
export type DocType = CustomizableDocType | FixedDocType

export type Attachment = {
  id: string
  name: string
  size: number
  extension: string
  mime_type: string
  source_url: string
}

export type SegmentUpdater = {
  content: string
  answer?: string
  summary?: string
  keywords?: string[]
  regenerate_child_chunks?: boolean
  attachment_ids?: string[]
}

export type SelectedDatasetsMode = {
  allHighQuality: boolean
  allHighQualityVectorSearch: boolean
  allHighQualityFullTextSearch: boolean
  allEconomic: boolean
  mixtureHighQualityAndEconomic: boolean
  allInternal: boolean
  allExternal: boolean
  mixtureInternalAndExternal: boolean
  inconsistentEmbeddingModel: boolean
}

export const WeightedScoreEnum = {
  SemanticFirst: 'semantic_first',
  KeywordFirst: 'keyword_first',
  Customized: 'customized',
} as const

export type WeightedScoreEnum = (typeof WeightedScoreEnum)[keyof typeof WeightedScoreEnum]

export const RerankingModeEnum = {
  RerankingModel: 'reranking_model',
  WeightedScore: 'weighted_score',
} as const

export type RerankingModeEnum = (typeof RerankingModeEnum)[keyof typeof RerankingModeEnum]

export const DEFAULT_WEIGHTED_SCORE = {
  allHighQualityVectorSearch: {
    semantic: 1.0,
    keyword: 0,
  },
  allHighQualityFullTextSearch: {
    semantic: 0,
    keyword: 1.0,
  },
  other: {
    semantic: 0.7,
    keyword: 0.3,
  },
}

// Used in api url
export const DocumentActionType = {
  enable: 'enable',
  disable: 'disable',
  archive: 'archive',
  unArchive: 'un_archive',
  delete: 'delete',
  summary: 'summary',
} as const

export type DocumentActionType = (typeof DocumentActionType)[keyof typeof DocumentActionType]

export const DOC_FORM_ICON_CLASS_WITH_BG: Record<ChunkingMode | 'external', string> = {
  [ChunkingMode.text]: 'i-custom-public-knowledge-dataset-card-general',
  [ChunkingMode.qa]: 'i-custom-public-knowledge-dataset-card-qa',
  [ChunkingMode.parentChild]: 'i-custom-public-knowledge-dataset-card-parent-child',
  // [ChunkingMode.graph]: Graph, // todo: Graph RAG
  external: 'i-custom-public-knowledge-dataset-card-external-knowledge-base',
}

type ChunkingModeText = I18nKeysByPrefix<'dataset', 'chunkingMode.'>

export const DOC_FORM_TEXT: Record<ChunkingMode, ChunkingModeText> = {
  [ChunkingMode.text]: 'general',
  [ChunkingMode.qa]: 'qa',
  [ChunkingMode.parentChild]: 'parentChild',
  // [ChunkingMode.graph]: 'graph', // todo: Graph RAG
}

export type HitTestingRequest = {
  query: string
  attachment_ids: string[]
  retrieval_model: RetrievalConfig
}

export type ExternalKnowledgeBaseHitTestingRequest = {
  query: string
  external_retrieval_model: {
    top_k: number
    score_threshold: number
    score_threshold_enabled: boolean
  }
}