openapi: 3.0.3
info:
  title: Twitter OpenAPI
  version: 0.0.1

paths: {}
components:
  schemas:
    InstructionUnion:
      oneOf:
        - $ref: "#/components/schemas/TimelineAddEntries"
        - $ref: "#/components/schemas/TimelineAddToModule"
        - $ref: "#/components/schemas/TimelineClearCache"
        - $ref: "#/components/schemas/TimelinePinEntry"
        - $ref: "#/components/schemas/TimelineReplaceEntry"
        - $ref: "#/components/schemas/TimelineShowAlert"
        - $ref: "#/components/schemas/TimelineTerminateTimeline"
        - $ref: "#/components/schemas/TimelineShowCover"

      discriminator:
        propertyName: type
        mapping": # deprecated
          TimelineAddEntries: "#/components/schemas/TimelineAddEntries"
          TimelineAddToModule: "#/components/schemas/TimelineAddToModule"
          TimelineClearCache: "#/components/schemas/TimelineClearCache"
          TimelinePinEntry: "#/components/schemas/TimelinePinEntry"
          TimelineReplaceEntry: "#/components/schemas/TimelineReplaceEntry"
          TimelineShowAlert: "#/components/schemas/TimelineShowAlert"
          TimelineTerminateTimeline: "#/components/schemas/TimelineTerminateTimeline"
          TimelineShowCover: "#/components/schemas/TimelineShowCover"

    InstructionType:
      type: string
      enum:
        [
          TimelineAddEntries,
          TimelineAddToModule,
          TimelineClearCache,
          TimelinePinEntry,
          TimelineReplaceEntry,
          TimelineShowAlert,
          TimelineTerminateTimeline,
          TimelineShowCover,
        ]

    TimelineAddEntries:
      required:
        - type
        - entries
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineAddEntries
        entries:
          type: array
          items:
            $ref: "#/components/schemas/TimelineAddEntry"

    TimelineAddToModule:
      required:
        - type
        - moduleItems
        - moduleEntryId
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineAddToModule
        moduleItems:
          type: array
          items:
            $ref: "./content.yaml#/components/schemas/ModuleItem"
        moduleEntryId:
          type: string
        prepend:
          type: boolean

    TimelineClearCache:
      required:
        - type
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineClearCache

    TimelinePinEntry:
      required:
        - type
        - entry
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelinePinEntry
        entry:
          $ref: "#/components/schemas/TimelineAddEntry"

    TimelineReplaceEntry:
      required:
        - type
        - entry_id_to_replace
        - entry
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineReplaceEntry
        entry_id_to_replace:
          type: string
        entry:
          $ref: "#/components/schemas/TimelineAddEntry"

    TimelineShowAlert:
      required:
        - type
        - usersResults
        - richText
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineShowAlert
        alertType:
          type: string
          enum: [NewTweets] # which else?
        triggerDelayMs:
          type: integer
        displayDurationMs:
          type: integer
        usersResults:
          type: array
          items:
            $ref: "./user.yaml#/components/schemas/UserResults"
        richText:
          type: object
          properties:
            text:
              type: string
            entities:
              type: array
              items:
                type: object
                additionalProperties: true # todo
        iconDisplayInfo:
          type: object
          additionalProperties: true # todo
        colorConfig:
          type: object
          additionalProperties: true # todo
        displayLocation:
          type: string
          enum: [Top] # which else?

    TimelineTerminateTimeline:
      required:
        - type
        - direction
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineTerminateTimeline
        direction:
          type: string
          enum: [Top, Bottom]

    TimelineAddEntry:
      required:
        - "content"
        - "entryId"
        - "sortIndex"
      properties:
        content:
          $ref: "./content.yaml#/components/schemas/ContentUnion"
        entryId:
          type: string
          pattern: "^(([a-z]+|[0-9]+|[0-9a-f]+)(-|$))+"
        sortIndex:
          type: string
          pattern: "[0-9]+$"

    TimelineShowCover:
      required:
        - type
        - clientEventInfo
        - cover
      properties:
        type:
          $ref: "#/components/schemas/InstructionType" # TimelineShowCover
        clientEventInfo:
          $ref: "./content.yaml#/components/schemas/ClientEventInfo"
        cover:
          $ref: "#/components/schemas/TimelineHalfCover"

    TimelineHalfCover:
      required:
        - type
        - halfCoverDisplayType
        - primaryText
        - primaryCoverCta
        - secondaryText
        - impressionCallbacks
        - dismissible
      properties:
        type:
          type: string
          enum: [TimelineHalfCover]
        halfCoverDisplayType:
          type: string
          enum: [Cover]
        primaryText:
          $ref: "#/components/schemas/Text"
        secondaryText:
          $ref: "#/components/schemas/Text"
        primaryCoverCta:
          $ref: "#/components/schemas/CoverCta"
        impressionCallbacks:
          type: array
          items:
            $ref: "#/components/schemas/Callback"
        dismissible:
          type: boolean

    Text:
      required:
        - text
        - entities
      properties:
        text:
          type: string
        entities:
          type: array
          items:
            $ref: "#/components/schemas/TextEntity"

    TextEntity:
      required:
        - fromIndex
        - toIndex
        - ref
      properties:
        fromIndex:
          type: integer
        toIndex:
          type: integer
        ref:
          $ref: "#/components/schemas/TextEntityRef"

    TextEntityRef:
      required:
        - type
        - url
        - urlType
      properties:
        type:
          type: string
          enum: [TimelineUrl]
        url:
          type: string
          format: uri
        urlType:
          type: string
          enum: [ExternalUrl]

    CoverCta:
      required:
        - text
        - ctaBehavior
        - callbacks
        - clientEventInfo
      properties:
        Text:
          type: string
        ctaBehavior:
          $ref: "#/components/schemas/TimelineCoverBehavior"
        callbacks:
          type: array
          items:
            $ref: "#/components/schemas/Callback"
        clientEventInfo:
          $ref: "#/components/schemas/CtaClientEventInfo"
        buttonStyle:
          type: string
          enum: ["Primary"]

    TimelineCoverBehavior:
      required:
        - type
      properties:
        type:
          type: string
          enum: [TimelineCoverBehaviorDismiss]

    Callback:
      required:
        - endpoint
      properties:
        endpoint:
          type: string
          format: uri
          # pattern: '^/1\.1/[a-z]+/[a-z]+\.json\?[a-z_]+=[a-z0-9-]+(&[a-z_]+=[a-z0-9-]+)+?$' #/1.1/onboarding/fatigue.json?{params}

    CtaClientEventInfo:
      required:
        - action
      properties:
        action:
          type: string
          enum: [primary_cta]