// Mirrors the Go types in internal/spec, internal/dkr and internal/job.

export type MountKind = 'volume' | 'anonymous' | 'bind' | 'tmpfs' | string

export interface Mount {
  kind: MountKind
  name?: string
  source?: string
  destination: string
  readOnly: boolean
  propagation?: string
  tmpfsOpts?: string
  sizeBytes: number
}

export interface Endpoint {
  network: string
  aliases?: string[]
  ipv4Address?: string
  ipv6Address?: string
  macAddress?: string
}

export interface PortBinding {
  containerPort: string
  hostIp?: string
  hostPort?: string
}

export interface Container {
  id: string
  name: string
  state: string
  image: string
  imageId: string
  imageDigest?: string
  composeProject?: string
  composeService?: string
  env?: string[]
  labels?: Record<string, string>
  cmd?: string[]
  entrypoint?: string[]
  restartPolicy?: string
  privileged?: boolean
  networkMode?: string
  endpoints?: Endpoint[]
  ports?: PortBinding[]
  mounts?: Mount[]
  warnings?: string[]
}

export interface Volume {
  name: string
  driver: string
  driverOpts?: Record<string, string>
  labels?: Record<string, string>
}

export interface NetworkSpec {
  name: string
  driver: string
  internal?: boolean
  attachable?: boolean
}

export interface Inventory {
  host: string
  dockerVersion: string
  containers: Container[]
  volumes: Volume[]
  networks: NetworkSpec[]
  warnings?: string[]
}

export type ImageMode = 'auto' | 'pull' | 'stream' | 'skip'
export type MountAction = 'copy' | 'structure' | 'skip'
export type ConflictPolicy = 'fail' | 'skip' | 'replace' | 'rename'

export interface MountSelection {
  action: MountAction
  targetSource?: string
  targetName?: string
}

export interface ItemSelection {
  containerId: string
  include: boolean
  nameOverride?: string
  migrateImage: boolean
  imageMode: ImageMode
  migrateNetworks: boolean
  keepStaticIps: boolean
  migratePorts: boolean
  mounts: Record<string, MountSelection>
  startAfter: boolean
  stopSourceDuringCopy: boolean
  stopSourceAfter: boolean
}

export interface Options {
  conflict: ConflictPolicy
  renameSuffix?: string
  compress: boolean
  compressLevel: number
  dryRun: boolean
  parallelism: number
  verifyAfter: boolean
}

export interface Plan {
  items: ItemSelection[]
  options: Options
  target?: string
  packageName?: string
}

export interface SourceResponse {
  inventory: Inventory
  defaults: Record<string, ItemSelection>
  options: Options
}

/** How a source daemon is reached. 'local' is the built-in, unremovable one. */
export type SourceKind = 'local' | 'docker' | 'ssh'

export interface Source {
  id: string
  name: string
  kind: SourceKind
  /** Daemon address for the 'docker' kind, e.g. tcp://10.0.0.5:2375. */
  dockerHost?: string
  /** Remote host for the 'ssh' kind; the same shape as a target connection. */
  ssh?: Connection
}

export interface SourceStatus {
  id: string
  name: string
  kind: SourceKind
  endpoint: string
  dockerVersion?: string
  connected: boolean
  error?: string
}

export interface SourcesResponse {
  sources: Source[]
  selected: string
  current: SourceStatus | null
}

export type AuthMethod = 'password' | 'key' | 'agent'

export interface Connection {
  id: string
  name: string
  host: string
  port: number
  user: string
  auth: AuthMethod
  password?: string
  privateKey?: string
  privateKeyPath?: string
  passphrase?: string
  sudo: boolean
  dockerCmd?: string
  saveSecrets: boolean
}

export interface Preflight {
  dockerVersion: string
  serverVersion: string
  os: string
  arch: string
  hasGzip: boolean
  diskFreeBytes: number
  dockerRoot: string
  problems?: string[]
}

export interface TargetContainer {
  id: string
  name: string
  image: string
  state: string
  status: string
  ports: string
}

export interface TargetInventory {
  host: string
  containers: TargetContainer[] | null
  volumes: string[] | null
  networks: string[] | null
  preflight: Preflight
}

export interface HostKeyInfo {
  host: string
  keyType: string
  fingerprint: string
  trusted: boolean
  changed: boolean
}

export type JobState = 'pending' | 'running' | 'succeeded' | 'failed' | 'skipped' | 'canceled'

export interface Step {
  id: string
  label: string
  state: JobState
  bytesDone: number
  bytesTotal: number
  error?: string
  startedAt?: string
  endedAt?: string
}

export interface JobItem {
  id: string
  name: string
  state: JobState
  error?: string
  steps: Step[]
  warnings?: string[]
}

export interface LogEntry {
  seq: number
  at: string
  level: 'info' | 'warn' | 'error' | 'cmd'
  item?: string
  message: string
}

export interface JobSnapshot {
  id: string
  kind: 'ssh' | 'package' | 'restore'
  title: string
  state: JobState
  dryRun: boolean
  error?: string
  createdAt: string
  startedAt?: string
  endedAt?: string
  items: JobItem[]
  log: LogEntry[]
  bytesDone: number
  bytesTotal: number
  artifact?: string
  artifactBytes?: number
  revision: number
}

export interface PreviewItem {
  containerId: string
  name: string
  targetName: string
  image: string
  commands: string[] | null
  transfers: string[] | null
  notes: string[] | null
  warnings: string[] | null
  totalBytes: number
}

export interface PreviewResponse {
  networkCommands: string[] | null
  items: PreviewItem[]
}

export interface PackageInfo {
  name: string
  path: string
  bytes: number
  isDir: boolean
  createdAt: string
}

export interface Health {
  ok: boolean
  dockerHost: string
  dockerVersion?: string
  dockerError?: string
  source?: SourceStatus
  packageDir: string
  dataDir: string
  knownHosts: string
}

export interface User {
  id: string
  username: string
  createdAt: string
  lastLoginAt?: string
}

export interface APIToken {
  id: string
  userId: string
  name: string
  hint: string
  createdAt: string
  lastUsedAt?: string
}

/** The response from GET /api/me, /api/setup and /api/login. */
export interface Me {
  id?: string
  username?: string
  authenticated: boolean
  needsSetup?: boolean
}