const {query, queryForm} = require("../client")

class File {
  /**
   * @param {{id:string,kind:string,time:Date|string|number,public:boolean,name:string,mimeType:string,size:number,author:string,url:string}} data 
   */
  constructor(data) {
    this.id = data.id
    this.kind = data.kind
    this.time = new Date(data.time)
    this.public = data.public
    this.name = data.name
    this.mimeType = data.mimeType
    this.size = data.size
    this.author = data.author
    this.url = data.url
  }
}


class FileAPI {
  /**
   * Call `characters(filter)` query
   * 
   * @param {{public:boolean,mimeTypes:string[]}} filter 
   * @returns {Promise<File[]>}
   */
  list(filter = {public: true}, opts = {}) {
    return query(`
      query ListFiles($filter: FilesFilter!) {
        files(filter:$filter) {
          id
          kind
          time
          public
          name
          mimeType
          size
          author
          url
        }
      }
    `, {filter}, opts).then(({files}) => {
       return files.map(d => new File(d))
    })
  }

  /**
   * Upload a file
   * 
   * @param {{public:boolean, file:File, name:string}} input
   */
  uploadFile(input) {
    return queryForm(`
      mutation UploadFile($input: FileUploadInput!) {
        uploadFile(input:$input) {
          id
          kind
          time
          public
          name
          mimeType
          size
          author
          url
        }
      }
    `, {input}).then(({uploadFile}) => {
      return new File(uploadFile)
    })
  }

  /**
   * Edit a file
   * 
   * @param {{id: string, public:boolean, name:string}} input
   */
  editFile(input) {
    return queryForm(`
      mutation EditFile($input: FileEditInput!) {
        editFile(input:$input) {
          id
          public
          name
        }
      }
    `, {input}).then(({editFile}) => {
      return editFile
    })
  }

  /**
   * Edit a file
   * 
   * @param {{id: string, public:boolean, name:string}} input
   */
  removeFile(input) {
    return queryForm(`
      mutation RemoveFIle($input: FileRemoveInput!) {
        removeFile(input:$input) {
          id
        }
      }
    `, {input}).then(({removeFile}) => {
      return removeFile
    })
  }
}

module.exports = { File, fileApi: new FileAPI() }