fluidtrends/carmel.sdk

import fs from 'fs-extra'
import path from 'path'

import { IDir, Errors, File, Path } from '..'

/**
 *
 * @category System
 */
export class Dir implements IDir {
  protected _path?: Path

  constructor(path?: Path) {
    this._path = path
  }

  get path() {
    return this._path
  }

  get exists() {
    return this.path !== undefined && fs.existsSync(path.resolve(this.path!))
  }

  dir(dirpath: Path) {
    return this.exists ? new Dir(path.resolve(this.path!, dirpath)) : undefined
  }

  file(filepath: Path, skip?: boolean) {
    const f = new File(path.resolve(this.path!, filepath))
    return skip ? f : this.exists ? f : undefined
  }

  make() {
    this.exists || (this.path && fs.mkdirsSync(this.path!))
    return this.exists ? this : undefined
  }

  remove() {
    this.exists && fs.removeSync(this.path!)
    return this
  }

  link(dir?: IDir) {
    if (this.exists) return this
    if (!this.path || !dir || !dir.exists) return undefined

    fs.existsSync(path.dirname(this.path)) ||
      fs.mkdirsSync(path.dirname(this.path))
    fs.symlinkSync(dir.path!, this.path, 'dir')

    return this.exists ? this : undefined
  }

  copy(dir: IDir) {
    if (dir.exists) return dir

    fs.existsSync(path.dirname(dir.path!)) ||
      fs.mkdirsSync(path.dirname(dir.path!))
    fs.copySync(this.path!, dir.path!)

    return dir.exists ? dir : undefined
  }

  move(dir: IDir) {
    if (dir.exists) return dir

    fs.existsSync(path.dirname(dir.path!)) ||
      fs.mkdirsSync(path.dirname(dir.path!))
    fs.moveSync(this.path!, dir.path!)

    return dir.exists ? dir : undefined
  }

  get dirs() {
    if (!this.exists) {
      return []
    }

    return fs
      .readdirSync(this.path!)
      .filter((d) => fs.lstatSync(path.resolve(this.path!, d)).isDirectory())
  }

  get files() {
    if (!this.exists) {
      return []
    }

    return fs
      .readdirSync(this.path!)
      .filter((f) => fs.lstatSync(path.resolve(this.path!, f)).isFile())
  }
}