"""
SoftWare Heritage persistent Identifier
"""
scalar SWHID

"""
ISO-8601 encoded date string
"""
scalar DateTime

"""
Object with an id
"""
interface Node {
  """
  Id of the object. This is for caching purpose and
  should not be used outside the GraphQL API
  """
  id: ID!
}

"""
SWH merkle node object with a SWHID
"""
interface MerkleNode {
  """
  SWHID of the object
  """
  swhid: SWHID!
}

"""
Information about pagination
"""
type PageInfo {
  """
  Cursor to request the next page in the connection
  """
  endCursor: String

  """
  Are there more pages in the connection?
  """
  hasNextPage: Boolean!
}

"""
Binary strings; different encodings
"""
type BinaryString {
  """
  Utf-8 encoded value, any non Unicode character will be replaced
  """
  text: String

  """
  base64 encoded value
  """
  base64: String
}


"""
Connection to origins
"""
type OriginConnection {
  """
  List of origin edges
  """
  edges: [OriginEdge]

  """
  List of origin objects
  """
  nodes: [Origin]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of origin objects in the connection
  """
  totalCount: Int
}

"""
Edge in origin connection
"""
type OriginEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Origin object
  """
  node: Origin
}

"""
A software origin object
"""
type Origin implements Node {
  """
  Unique identifier
  """
  id: ID!

  """
  Origin URL
  """
  url: String!

  """
  Connection to all the visit objects for the origin
  """
  visits(
    """
    Returns the first _n_ elements from the list
    """
    first: Int!

    """
    Returns the page after this cursor
    """
    after: String
  ): VisitConnection!

  """
  Latest visit object for the origin
  """
  latestVisit: Visit

  """
  Connection to all the snapshots for the origin
  """
  snapshots(
    """
    Returns the first _n_ elements from the list
    """
    first: Int!

    """
    Returns the page after this cursor
    """
    after: String
  ): SnapshotConnection
}

"""
Connection to origin visits
"""
type VisitConnection {
  """
  List of visit edges
  """
  edges: [VisitEdge]

  """
  List of visit objects
  """
  nodes: [Visit]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of visit objects in the connection
  """
  totalCount: Int
}

"""
Edge in origin visit connection
"""
type VisitEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Visit object
  """
  node: Visit
}

"""
An origin visit object
"""
type Visit implements Node {
  """
  Unique identifier
  """
  id: ID!

  """
  Visit number for the origin
  """
  visitId: Int

  """
  Visit date ISO-8601 encoded
  """
  date: DateTime!

  """
  Type of the origin visited. Eg: git/hg/svn/tar/deb
  """
  type: String

  """
  Connection to all the status objects for the visit
  """
  status(
    """
    Returns the first _n_ elements from the list
    """
    first: Int

    """
    Returns the page after this cursor
    """
    after: String
  ): VisitStatusConnection

  """
  Latest status object for the Visit
  """
  latestStatus: VisitStatus
}

"""
Connection to visit status
"""
type VisitStatusConnection {
  """
  List of visit status edges
  """
  edges: [VisitStatusEdge]

  """
  List of visit status objects
  """
  nodes: [VisitStatus]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of visit status objects in the connection
  """
  totalCount: Int
}

"""
Edge in visit status connection
"""
type VisitStatusEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Visit status object
  """
  node: VisitStatus
}

"""
A visit status object
"""
type VisitStatus {
  """
  Status string of the visit (either full, partial or ongoing)
  """
  status: String!

  """
  ISO-8601 encoded date string
  """
  date: DateTime!

  """
  Snapshot object
  """
  snapshot: Snapshot

  """
  Type of the origin visited. Eg: git/hg/svn/tar/deb
  """
  type: String
}

"""
Connection to snapshots
"""
type SnapshotConnection {
  """
  List of snapshot edges
  """
  edges: [SnapshotEdge]

  """
  List of snapshot objects
  """
  nodes: [Snapshot]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of snapshot objects in the connection
  """
  totalCount: Int
}

"""
Edge in snapshot connection
"""
type SnapshotEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Snapshot object
  """
  node: Snapshot
}

"""
A snapshot object
"""
type Snapshot implements MerkleNode & Node {
  """
  Unique identifier
  """
  id: ID!

  """
  SWHID of the snapshot object
  """
  swhid: SWHID!

  """
  Connection to all the snapshot branches
  """
  branches(
    """
    Returns the first _n_ elements from the list
    """
    first: Int!

    """
    Returns the page after this cursor
    """
    after: String

    """
    Filter by branch target types
    """
    types: [BranchTargetType]

    """
    Filter by branch name
    """
    nameInclude: String
  ): BranchConnection
}

"""
Connection to snapshot branches
"""
type BranchConnection {
  """
  List of branch edges
  """
  edges: [BranchConnectionEdge]

  """
  List of branch objects
  """
  nodes: [Branch]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of branch objects in the connection
  """
  totalCount: Int
}

"""
Edge in snapshot branch connection
"""
type BranchConnectionEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Branch object
  """
  node: Branch
}

"""
A user object
"""
type Person {
  """
  User's email address
  """
  email: BinaryString

  """
  User's name
  """
  name: BinaryString

  """
  User's full name
  """
  fullname: BinaryString
}

"""
Possible branch target objects
"""
union BranchTarget = Revision | Release | Branch | Content | Directory | Snapshot

"""
Possible Branch target types
"""
enum BranchTargetType {
  revision
  release
  alias
  content
  directory
  snapshot
}

"""
A snapshot branch object
"""
type Branch {
  """
  Branch name
  """
  name: BinaryString

  """
  Type of Branch target
  """
  type: BranchTargetType

  """
  Branch target object
  """
  target: BranchTarget
}

"""
Connection to revisions
"""
type RevisionConnection {
  """
  List of revision edges
  """
  edges: [RevisionEdge]

  """
  List of revision objects
  """
  nodes: [Revision]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of revision objects in the connection
  """
  totalCount: Int
}

"""
Edge in revision connection
"""
type RevisionEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Revision object
  """
  node: Revision
}

"""
A revision object
"""
type Revision implements MerkleNode & Node {
  """
  Unique identifier
  """
  id: ID!

  """
  SWHID of the revision object
  """
  swhid: SWHID!

  """
  Message associated to the revision
  """
  message: BinaryString

  """
  """
  author: Person

  """
  """
  committer: Person

  """
  Revision date ISO-8601 encoded
  """
  date: DateTime

  """
  Type of the revision, eg: git/hg
  """
  type: String

  """
  The unique directory object that revision points to
  """
  directory: Directory

  """
  Connection to all the parents of the revision
  """
  parents(
    """
    Returns the first _n_ elements from the list
    """
    first: Int

    """
    Returns the page after this cursor
    """
    after: String
  ): RevisionConnection

  """
  Connection to all the revisions heading to this one
  aka the commit log
  """
  revisionLog(
    """
    Returns the first _n_ elements from the list
    """
    first: Int!

    """
    Returns the page after the cursor
    """
    after: String
  ): RevisionConnection
}

"""
Possible release target objects
"""
union ReleaseTarget = Release | Revision | Directory | Content

"""
Possible release target types
"""
enum ReleaseTargetType {
  release
  revision
  content
  directory
}

"""
A release object
"""
type Release implements MerkleNode & Node {
  """
  Unique identifier
  """
  id: ID!

  """
  SWHID of the release object
  """
  swhid: SWHID!

  """
  The name of the release
  """
  name: BinaryString

  """
  The message associated to the release
  """
  message: BinaryString

  """
  """
  author: Person

  """
  Release date ISO-8601 encoded
  """
  date: DateTime

  """
  Type of release target
  """
  targetType: ReleaseTargetType

  """
  Release target object
  """
  target: ReleaseTarget
}

"""
Connection to directory entries
"""
type DirectoryEntryConnection {
  """
  List of directory entry edges
  """
  edges: [DirectoryEntryEdge]

  """
  List of directory entry objects
  """
  nodes: [DirectoryEntry]

  """
  Information for pagination
  """
  pageInfo: PageInfo!

  """
  Total number of directory entry objects in the connection
  """
  totalCount: Int
}

"""
Edge in directory entry connection
"""
type DirectoryEntryEdge {
  """
  Cursor to request the next page after the item
  """
  cursor: String!

  """
  Directory entry object
  """
  node: DirectoryEntry
}

"""
Possible directory entry target objects
"""
union DirectoryEntryTarget = Directory | Content

"""
Possible directory entry types
"""
enum DirectoryEntryType {
  dir
  file
  rev
}

"""
A directory entry object
"""
type DirectoryEntry {
  """
  The directory entry name
  """
  name: BinaryString

  """
  Directory entry object type; can be file, dir or rev
  """
  type: DirectoryEntryType

  """
  Directory entry target object
  """
  target: DirectoryEntryTarget
}

"""
A directory object
"""
type Directory implements MerkleNode & Node {
  """
  Unique identifier
  """
  id: ID!

  """
  SWHID of the directory object
  """
  swhid: SWHID!

  """
  Connection to the directory entries
  """
  entries(
    """
    Returns the first _n_ elements from the list
    """
    first: Int

    """
    Returns the page after this cursor
    """
    after: String
  ): DirectoryEntryConnection
}

"""
An object with different checksums
"""
type ContentChecksum {
  """
  """
  blake2s256: String

  """
  """
  sha1: String

  """
  """
  sha1_git: String

  """
  """
  sha256: String
}

"""
A content object
"""
type Content implements MerkleNode & Node {
  """
  Unique identifier
  """
  id: ID!

  """
  SWHID of the content object
  """
  swhid: SWHID!

  """
  Checksums for the content
  """
  checksum: ContentChecksum

  """
  Length of the content in bytes
  """
  length: Int

  """
  Content status, visible or hidden
  """
  status: String
}

"""
The query root of the GraphQL interface.
"""
type Query {
  """
  Get an origin with its url
  """
  origin(
    """
    URL of the Origin
    """
    url: String!
  ): Origin

  """
  Get a Connection to all the origins
  """
  origins(
    """
    Returns the first _n_ elements from the list
    """
    first: Int!

    """
    Returns the page after the cursor
    """
    after: String

    """
    Filter origins with a URL pattern
    """
    urlPattern: String
  ): OriginConnection

  """
  Get the visit object with an origin URL and a visit id
  """
  visit(
    """
    URL of the origin
    """
    originUrl: String!

    """
    Visit id to get
    """
    visitId: Int!
  ): Visit

  """
  Get the snapshot with a SWHID
  """
  snapshot(
    """
    SWHID of the snapshot object
    """
    swhid: SWHID!
  ): Snapshot

  """
  Get the revision with a SWHID
  """
  revision(
    """
    SWHID of the revision object
    """
    swhid: SWHID!
  ): Revision

  """
  Get the release with a SWHID
  """
  release(
    """
    SWHID of the release object
    """
    swhid: SWHID!
  ): Release

  """
  Get the directory with a SWHID
  """
  directory(
    """
    SWHID of the directory object
    """
    swhid: SWHID!
  ): Directory

  """
  Get the content with a SWHID
  """
  content(
    """
    SWHID of the content object
    """
    swhid: SWHID!
  ): Content
}