/**
 * @jest-environment node
 */
import * as fs from 'fs'
import * as path from 'path'

import { parseLut } from '../src'
import { Lut } from '../src/typings'

let lut: Lut
describe('Parsing an Adobe .cube file', () => {
  const filePath = path.resolve(__dirname, './example.CUBE')
  const cube = fs.readFileSync(filePath)

  it('From a buffer', async () => {
    lut = await parseLut(cube)
    expect(lut).toBeDefined()
  })

  it('From an ArrayBuffer', async () => {
    lut = await parseLut(cube.buffer)
    expect(lut).toBeDefined()
  })

  it('From a Uint8Array', async () => {
    lut = await parseLut(new Uint8Array(cube.buffer))
    expect(lut).toBeDefined()
  })

  it('From a file path', async () => {
    lut = await parseLut(filePath)
    expect(lut).toBeDefined()
  })

  it('Returns correctly parsed data', () => {
    expect(lut.title).toEqual('lol')
    expect(lut.size).toEqual(32)
    expect(lut.type).toEqual('3d')
    expect(lut.data.length).toEqual(32768)
    expect(lut.domain.min).toEqual([0, 0, 0])
    expect(lut.domain.max).toEqual([1, 1, 1])

    // Pick arbitrary points and test them
    expect(lut.data[0]).toEqual([0.001434, 0.001434, 0.001434])
    expect(lut.data[lut.data.length - 1]).toEqual([1.0, 1.0, 1.0])
  })
})