import { describe, expect, it } from 'vitest'
import { attributesFromGenerator, hexToBucket, type GeneratorRecord } from './attributes.js'

function gen(layers: Array<[string, string, string?]>, extra: Partial<GeneratorRecord> = {}): GeneratorRecord {
  return {
    bodyType: 'male',
    layers: layers.map(([id, title, main]) => ({ id, title, colors: main ? { main } : undefined })),
    ...extra,
  }
}

describe('hexToBucket', () => {
  it('buckets colours into named families', () => {
    expect(hexToBucket('#60974d')).toBe('green')
    expect(hexToBucket('#c71585')).toBe('pink')
    expect(hexToBucket('#101012')).toBe('black')
    expect(hexToBucket('#f2f2f2')).toBe('white')
    expect(hexToBucket('#634f30')).toBe('brown')
    expect(hexToBucket('not-a-hex')).toBeUndefined()
    expect(hexToBucket(undefined)).toBeUndefined()
  })
})

describe('attributesFromGenerator', () => {
  it('splits worn vs held, drops base layers, buckets colour', () => {
    const attrs = attributesFromGenerator(
      'did:plc:a',
      'Aria',
      gen([
        ['body', 'Male Body', '#916241'],
        ['undies', 'Just Undies'],
        ['tops', 'Basic Shirt', '#60974d'],
        ['headwear', 'Hard Hat', '#ffcc00'],
        ['righthand', 'Game Controller', '#000000'],
      ]),
    )
    expect(attrs).not.toBeNull()
    expect(attrs!.worn.map((t) => t.category).sort()).toEqual(['headwear', 'tops'])
    expect(attrs!.held.map((t) => t.title)).toEqual(['Game Controller'])
    expect(attrs!.worn.find((t) => t.category === 'tops')!.colorBucket).toBe('green')
  })

  it('returns null for a generator with no clue-worthy layers', () => {
    expect(attributesFromGenerator('did:plc:x', 'X', gen([['body', 'Male Body'], ['undies', 'Just Undies']]))).toBeNull()
  })

  it('buckets natural skin by lightness, fantasy skin by hue', () => {
    const skin = (hex: string) =>
      attributesFromGenerator('did:plc:s', 'S', gen([['tops', 'Shirt', '#60974d']], { skin: { hex } }))!.skinBucket
    // natural, "roughly orange" tones → fair/light/tan/dark
    expect(skin('#f1d2b8')).toBe('fair')
    expect(skin('#916241')).toBe('tan')
    expect(skin('#3a2a1e')).toBe('dark')
    // vivid fantasy tints → named by colour family
    expect(skin('#2ecc71')).toBe('green') // orc
    expect(skin('#3050c0')).toBe('blue')
    expect(skin('#7d3cab')).toBe('purple') // tiefling
  })
})