import axios from './instance'
import { 
  MODEL_LIST,
  INSERT_MODEL,
  UPDATE_MODEL,
  DELETE_MODEL,
  UPLOAD_HEADS
} from './constant'

export enum ModelType {
  SWKK = 'swkk',
  SWKJ = 'swkj',
  SWMX = 'glb',
  SWSS = 'laser',
  OSGB = 'obsg',
  B3DM = 'b3dm'
}

export const ModelTypeDesc: Record<ModelType, string>  = {
  [ModelType.SWKK]: '四维看看',
  [ModelType.SWKJ]: '四维看见',
  [ModelType.SWSS]: '四维深时',
  [ModelType.SWMX]: '三维模型',
  [ModelType.OSGB]: 'osgb模型',
  [ModelType.B3DM]: 'b3dm模型'
}

export interface ModelAttrs {
  show: boolean,
  scale: number,
  opacity: number,
  bottom: number,
  position: SceneLocalPos,
  rotation: SceneLocalPos
}
export interface Model extends ModelAttrs {
  id: string
  url: Array<string>
  title: string
  fusionId?: number,
  type: ModelType
  isSelf: boolean
  size: number,
  time: string
}

interface ServiceModel {
  createTime: string,
  id: number,
  hide: number,
  modelDateType: string
  modelUrl: string
  fusionId?: number,
  modelSize: number
  modelTitle: string
  opacity: number
  bottom: number
  type: number
  transform: {
    position: SceneLocalPos, 
    rotation: SceneLocalPos, 
    scale: [number, number, number]
  }
}

const serviceToLocal = (serviceModel: ServiceModel): Model => ({
  show: !serviceModel.hide,
  scale: serviceModel.transform.scale[0],
  opacity: serviceModel.opacity || 1,
  isSelf: serviceModel.type !== 3,
  bottom: serviceModel.bottom || 0,
  position: serviceModel.transform.position,
  rotation: serviceModel.transform.rotation,
  id: serviceModel.id.toString(),
  url: [serviceModel.modelUrl],
  title: serviceModel.modelTitle,
  fusionId: serviceModel.fusionId,
  type:  serviceModel.modelDateType === 'osgb' ? ModelType.OSGB : serviceModel.modelDateType === 'b3dm' ? ModelType.B3DM : serviceModel.type === 2 ? ModelType.SWMX : ModelType.SWMX,
  size: serviceModel.modelSize,
  time: serviceModel.createTime
})

const localToService = (model: Model): ServiceModel => ({
  createTime: model.time,
  id: Number(model.id),
  hide: Number(!model.show),
  fusionId: model.fusionId,
  modelDateType: model.type,
  modelUrl: model.url[0],
  type: model.type === ModelType.SWSS ? 2 : 3,
  modelSize: model.size,
  modelTitle: model.title,
  opacity: model.opacity,
  bottom: model.bottom,
  transform: {
    position: model.position, 
    rotation: model.rotation, 
    scale: [model.scale, model.scale, model.scale]
  }
})

export type Models = Model[]

export const fetchModels = async () => {
  const serviceModels = await axios.post<ServiceModel[]>(MODEL_LIST)
  return serviceModels.map(serviceToLocal)
} 

export const postAddModel = async (file: File) => {
  const form = new FormData()
  form.append('file', file)

  const serviceModel = await axios<ServiceModel>({
    url: INSERT_MODEL,
    method: 'POST',
    headers: { ...UPLOAD_HEADS },
    data: form
  })
  return serviceToLocal(serviceModel)
}

export const postUpdateModels = (model: Model) => {
  console.log('update', model)
  return axios.post<undefined>(UPDATE_MODEL, localToService(model))
}
  

export const postDeleteModel = (id: Model['id']) => {
  console.log('delete')
  return axios.post<undefined>(DELETE_MODEL, {ids: [id]})
}