import request from '@/utils/request'
import { limitVideoRequest } from '@/utils/videoRequestLimit'

const unwrap = promise => promise.then(result => {
  if (result && Object.prototype.hasOwnProperty.call(result, 'data')) return result.data
  return result
})

function encodeCameraCodeSegments(cameraCode) {
  const value = String(cameraCode || '')
  const separatorIndex = value.indexOf('#')
  if (separatorIndex <= 0 || separatorIndex === value.length - 1) {
    throw new Error('摄像机编码格式不正确')
  }
  return [
    encodeURIComponent(value.slice(0, separatorIndex)),
    encodeURIComponent(value.slice(separatorIndex + 1))
  ]
}

export function getNvrConfig() {
  return unwrap(request({ url: '/patrol/video/config', method: 'get' }))
}

export function startLive(channel, streamType = 1) {
  return unwrap(limitVideoRequest(() => request({
    url: '/patrol/video/realtime/start',
    method: 'post',
    timeout: 8000,
    noAlert: true,
    data: {
      cameraCode: channel.cameraCode || channel.channelCode,
      streamType
    }
  }), 'embed'))
}

export function getLiveStatus(cameraCode) {
  return unwrap(limitVideoRequest(() => request({
    url: '/patrol/video/realtime/status',
    method: 'get',
    timeout: 8000,
    noAlert: true,
    params: { cameraCode }
  })))
}

export function stopLive(cameraCode) {
  return unwrap(limitVideoRequest(() => request({
    url: '/patrol/video/realtime/stop',
    method: 'post',
    timeout: 8000,
    data: { cameraCode }
  })))
}

export function controlPtz(payload) {
  return unwrap(request({
    url: '/patrol/preset/ptzControl',
    method: 'post',
    data: payload
  }))
}

export function getPresetList(cameraCode) {
  const [device, domain] = encodeCameraCodeSegments(cameraCode)
  return unwrap(request({
    url: `/patrol/preset/presetList/${device}/${domain}`,
    method: 'get'
  }))
}

export function createPreset(payload) {
  return unwrap(request({
    url: '/patrol/preset/presetCreate',
    method: 'post',
    data: payload
  }))
}

export function createSnapshot(cameraCode) {
  const [device, domain] = encodeCameraCodeSegments(cameraCode)
  return unwrap(request({
    url: `/patrol/videotape/snapshot/task/${device}/${domain}`,
    method: 'get'
  }))
}

export function downloadSnapshot(taskId) {
  return request({
    url: `/patrol/videotape/snapshot/${encodeURIComponent(taskId)}`,
    method: 'get',
    responseType: 'blob'
  })
}

export function createPlaybackSession(payload) {
  return unwrap(request({
    url: '/patrol/videotape/hls/ui/session/create',
    method: 'post',
    data: payload
  }))
}

export function getPlaybackSession(sessionId) {
  return unwrap(request({
    url: `/patrol/videotape/hls/session/query/${encodeURIComponent(sessionId)}`,
    method: 'get'
  }))
}

export function controlPlayback(sessionId, payload) {
  return unwrap(request({
    url: `/patrol/videotape/hls/ui/session/control/${encodeURIComponent(sessionId)}`,
    method: 'post',
    data: payload
  }))
}

export function deletePlaybackSession(sessionId) {
  return unwrap(request({
    url: `/patrol/videotape/hls/session/delete/${encodeURIComponent(sessionId)}`,
    method: 'delete'
  }))
}

export function downloadPlaybackClip(payload) {
  return request({
    url: '/patrol/videotape/clip/download',
    method: 'post',
    data: payload,
    responseType: 'blob',
    timeout: 120000
  })
}