import Intonation from './intonation'

const meantone = `! meanquar.scl
!
1/4-comma meantone scale. Pietro Aaron's temperament (1523)
 12
!
 76.04900
 193.15686
 310.26471
 5/4
 503.42157
 579.47057
 696.57843
 25/16
 889.73529
 1006.84314
 1082.89214
 2/1
`

const mavila = `! mavila12.scl
!
A 12-note mavila scale (for warping meantone-based music), 5-limit TOP
 12
!
-30.99719
 163.50770
 358.01258
 327.01540
 521.52028
 490.52310
 685.02798
 654.03080
 848.53568
 1043.04057
 1012.04338
 1206.54826
`

const carlos_alpha = `! carlos_alpha.scl
!
Wendy Carlos' Alpha scale with perfect fifth divided in nine
 18
!
 78.00000
 156.00000
 234.00000
 312.00000
 390.00000
 468.00000
 546.00000
 624.00000
 702.00000
 780.00000
 858.00000
 936.00000
 1014.00000
 1092.00000
 1170.00000
 1248.00000
 1326.00000
 1404.00000
`

const lamonte = `! young-lm_piano.scl
!
LaMonte Young's Well-Tempered Piano
12
!
567/512
9/8
147/128
21/16
1323/1024
189/128
3/2
49/32
7/4
441/256
63/32
2/1
`

const colundi = `! colundi.scl
!
Colundi scale
10
!
9/8
171/140
137/112
43/35
3/2
421/280
213/140
263/150
66/35
2/1
`

const scales = [
  {
    intervals: '1/1 9/8 5/4 4/3 3/2 5/3 15/8 2/1',
    name: "harmonic scale",
  },
  {
    root: 450,
    intervals: '1/1 9/8 5/4 4/3 3/2 5/3 15/8 2/1',
    name: "harmonic scale @ 450",
  },
  {
    tet: 5,
  },
  {
    tet: 12,
  },
  {
    tet: 17,
  },
  {
    intervals: '1/1 81/80 33/32 21/20 16/15 12/11 11/10 10/9 9/8 8/7 7/6 32/27 6/5 11/9 5/4 14/11 9/7 21/16 4/3 27/20 11/8 7/5 10/7 16/11 40/27 3/2 32/21 14/9 11/7 8/5 18/11 5/3 27/16 12/7 7/4 16/9 9/5 20/11 11/6 15/8 40/21 64/33 160/81 2/1',
    name: "harry partch scale",
  },
  {
    scl: lamonte,
  },
  {
    scl: meantone,
  },
  {
    scl: mavila,
  },
  {
    scl: carlos_alpha,
  },
  {
    scl: colundi,
  },
].map( (opt) => new Intonation(opt) )

let scale = scales[0]

function build () {
  scales.forEach( (scale, i) => {
    scale.heading = document.createElement('div')
    scale.heading.innerHTML = scale.name
    scale.heading.classList.add('heading')
    scale.heading.addEventListener('click', function(){
      set_scale(i)
    })
    scale_list.appendChild(scale.heading)
  })

  set_scale(0)
}

function set_scale (i){
  if (scale) {
    scale.heading.classList.remove('selected')
  }
  scale = scales[i]
  scale.heading.classList.add('selected')
}

function current () {
  return scale
}

export default { scales, current, build }