import api from './client'

export interface RenditionConfig {
  label: string
  enabled: boolean
  width: number
  height: number
  fps: number
  codec: 'libx264' | 'libx265'
  bitrate: string
  crf: number
  preset: 'ultrafast' | 'superfast' | 'veryfast' | 'faster' | 'fast' | 'medium' | 'slow'
  audio_bitrate: string
  keyframe_seconds: number
}

export interface StreamInfo {
  id: number
  title: string
  description?: string
  cover_url?: string
  stream_key?: string
  status: string
  scheduled_at?: string
  started_at?: string
  ended_at?: string
  multicast_enabled: boolean
  created_at: string
  replay_file?: string
  replay_url?: string
  chapters: Chapter[]
  transcode_profile: string
  renditions?: RenditionConfig[] | null
  homepage_visible: boolean
  remote_control_enabled: boolean
}

export interface Chapter {
  title: string
  time: number
}

export interface StreamCreateReq {
  title: string
  description?: string
  cover_url?: string
  scheduled_at?: string
  replay_file?: string | null
  replay_url?: string | null
  chapters?: Chapter[]
  transcode_profile?: string
  renditions?: RenditionConfig[]
  homepage_visible?: boolean
  remote_control_enabled?: boolean
}

export interface WatchInfo {
  stream_id: number
  title: string
  status: string
  multicast_available: boolean
  selected_node?: { id: string; name: string } | null
  lines: LineInfo[]
  qualities: QualityInfo[]
  description?: string
  scheduled_at?: string
  replay_url?: string
  replay_local_url?: string
  chapters: Chapter[]
  remote_control_enabled: boolean
}

export interface LineInfo {
  node_id: string
  node_name: string
  weight: number
  type: string
  url: string
  unicast_fallback?: string
  qualities: QualityUrl[]
}

export interface QualityUrl {
  label: string
  width: number
  height: number
  url: string
}

export interface QualityInfo {
  label: string
  width: number
  height: number
}

export interface ViewerSessionInfo {
  session_id: string
  node_id?: string
  node_name?: string
  quality?: string
  playback_state: string
  buffered_seconds?: number
  error?: string
  remote_adjusted: boolean
  last_heartbeat: string
}

export interface ControlAuditInfo {
  id: number
  operator: string
  target_session_id: string
  action: string
  value?: string
  status: string
  result?: string
  created_at: string
  claimed_at?: string
}

export interface RemoteCommandInfo {
  id: number
  action: 'switch_node' | 'switch_quality' | 'restore_auto'
  value?: string
  created_at: string
}

export async function fetchStreams(admin = false): Promise<StreamInfo[]> {
  const { data } = await api.get('/streams', { params: admin ? { admin: true } : undefined })
  return data
}

export async function fetchMediaFiles(): Promise<string[]> {
  const { data } = await api.get('/streams/media-files')
  return data
}

export async function createStream(req: StreamCreateReq): Promise<{
  id: number; stream_key: string; rtmp_url: string; status: string
}> {
  const { data } = await api.post('/streams', req)
  return data
}

export async function getStream(streamId: number): Promise<StreamInfo> {
  const { data } = await api.get(`/streams/${streamId}`)
  return data
}

export async function updateStream(streamId: number, req: Partial<StreamCreateReq>): Promise<void> {
  await api.put(`/streams/${streamId}`, req)
}

export async function deleteStream(streamId: number): Promise<void> {
  await api.delete(`/streams/${streamId}`)
}

export async function goLive(streamId: number): Promise<void> {
  await api.post(`/streams/${streamId}/go-live`)
}

export async function endStream(streamId: number): Promise<void> {
  await api.post(`/streams/${streamId}/end`)
}

export async function getWatchUrls(streamId: number): Promise<WatchInfo> {
  const { data } = await api.get(`/streams/${streamId}/watch`)
  return data
}

export function getStreamStatusUrl(streamId: number): string {
  return `/api/streams/${streamId}/events`
}

export async function sendViewerHeartbeat(streamId: number, payload: Record<string, unknown>): Promise<{ remote_adjusted: boolean }> {
  const { data } = await api.post(`/streams/${streamId}/viewer-heartbeat`, payload)
  return data
}

export async function pollRemoteCommand(streamId: number, sessionId: string): Promise<RemoteCommandInfo | null> {
  const { data } = await api.get(`/streams/${streamId}/remote-command`, { params: { session_id: sessionId } })
  return data
}

export async function reportRemoteCommandResult(streamId: number, commandId: number, sessionId: string, result: string): Promise<void> {
  await api.post(`/streams/${streamId}/remote-command/${commandId}/result`, { result }, { params: { session_id: sessionId } })
}

export async function fetchViewerSessions(streamId: number): Promise<ViewerSessionInfo[]> {
  const { data } = await api.get(`/streams/${streamId}/viewer-sessions`)
  return data
}

export async function fetchControlAudit(streamId: number): Promise<ControlAuditInfo[]> {
  const { data } = await api.get(`/streams/${streamId}/control-audit`)
  return data
}

export async function createRemoteSession(streamId: number, expiresIn = 300): Promise<{ token: string; expires_in: number }> {
  const { data } = await api.post(`/streams/${streamId}/remote-session`, { expires_in: expiresIn })
  return data
}

export async function sendRemoteCommand(streamId: number, token: string, action: string, targets: string[], value?: string): Promise<void> {
  await api.post(`/streams/${streamId}/remote-command`, { token, action, targets, value })
}