import { Asset } from "./assets"
import { FileUpload } from "./files"

/**
 * Message sent from the plugin when files are uploading
 */
export type PluginPostMessageUploadFilesProgress = {
  type: 'uploadProgress'
  files: FileUpload[]
}

/**
 * Message sent from the app that the pending uploads are uploaded
 */
export type PluginPostMessageUploadFilesResponse = {
  type: 'uploadResponse'
  assets: AssetSelectionItemWithLegacySupport[]
}

export interface AssetSelectionItem {
  asset: Asset
  assetInstanceId?: string | null
}

/* This is to support the legacy asset selection API in a transition phase */
interface AssetSelectionItemWithLegacySupport extends AssetSelectionItem {
  assetId: string
  assetType: string
  assetInstanceId: string // Required
}

export type PluginPostMessageAssetSelection = {
  type: 'assetSelection'
  selection: AssetSelectionItemWithLegacySupport[]
}

/**
 * Message sent from the plugin that a document has been updated
 */
export type PluginPostMessageDocumentUpdate = {
  type: 'documentUpdate'
  document: {_id: string; _type: string; _rev: string}
}

/**
 * Message sent from the plugin that the user wants to upload files
 */
export type PluginPostMessageUploadFilesRequest = {
  type: 'uploadRequest'
  files: {id: string; file: File}[]
}

export type PluginPostMessageAbortUploadRequest = {
  type: 'abortUploadRequest'
  files?: {id: string}[]
}

export type PluginPostMessageTokenRequest = {
  type: 'tokenRequest'
}

export type PluginPostMessageTokenResponse = {
  type: 'tokenResponse'
  token: string | null
}

/**
 * Message sent from a plugin page to notify the host that the page is loaded and ready to be interacted with
 */
export type PluginPostMessagePageLoaded = {
  type: 'pageLoaded'
  page: string
}

/**
 * Message sent from a plugin page that a page is unloaded by the user (for closing the dialog and similar)
 */
export type PluginPostMessagePageUnloaded = {
  type: 'pageUnloaded'
  page: string
}

export type PluginPostMessage =
  | PluginPostMessageAbortUploadRequest
  | PluginPostMessageAssetSelection
  | PluginPostMessageDocumentUpdate
  | PluginPostMessagePageLoaded
  | PluginPostMessagePageUnloaded
  | PluginPostMessageTokenRequest
  | PluginPostMessageTokenResponse
  | PluginPostMessageUploadFilesProgress
  | PluginPostMessageUploadFilesRequest
  | PluginPostMessageUploadFilesResponse