import type { NodeTypeDef, ParamDef } from './types'

export const RESOLUTION_OPTIONS = [
  { label: '1280×720',  value: '1280x720'  },
  { label: '1920×1080', value: '1920x1080' },
  { label: '3840×2160', value: '3840x2160' },
]

export const FPS_OPTIONS = [
  { label: '23.98', value: '23.98' },
  { label: '24',    value: '24'    },
  { label: '25',    value: '25'    },
  { label: '29.97', value: '29.97' },
  { label: '30',    value: '30'    },
  { label: '50',    value: '50'    },
  { label: '59.94', value: '59.94' },
  { label: '60',    value: '60'    },
]

export const DEVICE_OPTIONS = [
  { label: 'DeckLink SDI (1)', value: 0 },
  { label: 'DeckLink SDI (2)', value: 1 },
  { label: 'DeckLink SDI (3)', value: 2 },
  { label: 'DeckLink SDI (4)', value: 3 },
]

export const PATTERN_OPTIONS = [
  { label: 'SMPTE bars 75%', value: 'bars' },
  { label: 'IRE bars', value: 'ire' },
  { label: 'Black solid', value: 'black' },
  { label: 'White solid', value: 'white' },
]

export const MIX_MODE_OPTIONS = [
  { label: 'Fade',     value: 'fade' },
  { label: 'Dissolve', value: 'dissolve' },
  { label: 'Wipe',     value: 'wipe' },
  { label: 'A/B',     value: 'ab' },
]

export const TRANSITION_OPTIONS = [
  { label: 'Cut',     value: 'cut' },
  { label: 'Cross',   value: 'cross' },
  { label: 'Slide',   value: 'slide' },
  { label: 'Push',    value: 'push' },
]

// Format params shown on source nodes; values go into edge format (not node params)
const FORMAT_PARAMS: ParamDef[] = [
  { key: 'res', label: 'Resolution', type: 'select', options: RESOLUTION_OPTIONS, default: '1920x1080', isFormat: true },
  { key: 'fps', label: 'FPS',        type: 'select', options: FPS_OPTIONS,        default: '25',        isFormat: true },
]

export const NODE_TYPES: Record<string, NodeTypeDef> = {
  testpattern: {
    type: 'testpattern',
    label: 'Test Pattern',
    ports: [
      { id: 'video-out', kind: 'video', direction: 'out' },
      { id: 'audio-out', kind: 'audio', direction: 'out' },
    ],
    params: [
      ...FORMAT_PARAMS,
      { key: 'pattern', 'label': 'Pattern', type: 'select', options: PATTERN_OPTIONS, default: 'bars' },
      { key: 'channels', label: 'Channels', type: 'number', default: 0, min: 0, max: 16 }
    ],
  },
  ndiin: {
    type: 'ndiin',
    label: 'NDI In',
    ports: [
      { id: 'video-out', kind: 'video', direction: 'out' },
      { id: 'audio-out', kind: 'audio', direction: 'out' },
    ],
    params: [
      { key: 'source_num', label: 'NDI Source #', type: 'number', default: 0, min: 0, max: 15 },
      ...FORMAT_PARAMS,
    ],
  },
  decklinkin: {
    type: 'decklinkin',
    label: 'DeckLink In',
    ports: [
      { id: 'video-out', kind: 'video', direction: 'out' },
      { id: 'audio-out', kind: 'audio', direction: 'out' },
    ],
    params: [
      { key: 'device_index', label: 'Port', type: 'select', options: DEVICE_OPTIONS, default: 0 },
      ...FORMAT_PARAMS,
    ],
  },
  ndiout: {
    type: 'ndiout',
    label: 'NDI Out',
    ports: [
      { id: 'video-in', kind: 'video', direction: 'in' },
      { id: 'audio-in', kind: 'audio', direction: 'in' },
    ],
    params: [],
  },
  decklinkout: {
    type: 'decklinkout',
    label: 'DeckLink Out',
    ports: [
      { id: 'video-in', kind: 'video', direction: 'in' },
      { id: 'audio-in', kind: 'audio', direction: 'in' },
    ],
    params: [
      { key: 'device_index', label: 'Port', type: 'select', options: DEVICE_OPTIONS, default: 0 },
    ],
  },
  fakesink: {
    type: 'fakesink',
    label: 'Fake Sink',
    ports: [
      { id: 'video-in', kind: 'video', direction: 'in' },
    ],
    params: [],
  },
  videoin: {
    type: 'videoin',
    label: 'Multimedia file in',
    ports: [
      { id: 'video-out', kind: 'video', direction: 'out' },
      { id: 'audio-out', kind: 'audio', direction: 'out' },
    ],
    params: [
      { key: 'file', label: 'File', type: 'input', default: '0.ts' }
    ],
  },
  mix: {
    type: 'mix',
    label: 'Mix',
    ports: [
      { id: 'video-in-1',  kind: 'video', direction: 'in'  },
      { id: 'video-in-2',  kind: 'video', direction: 'in'  },
      { id: 'audio-in-1',  kind: 'audio', direction: 'in'  },
      { id: 'audio-in-2',  kind: 'audio', direction: 'in'  },
      { id: 'video-out',   kind: 'video', direction: 'out' },
      { id: 'audio-out',   kind: 'audio', direction: 'out' },
    ],
    params: [
      { key: 'mode',       label: 'Mode',       type: 'select', options: MIX_MODE_OPTIONS,    default: 'fade' },
      { key: 'transition', label: 'Transition', type: 'select', options: TRANSITION_OPTIONS,  default: 'cut' },
      { key: 'duration',   label: 'Duration',   type: 'number', default: 500, min: 0, max: 10000 },
    ],
  },
}

// Default params for a new node of the given type
export function defaultParams(nodeType: string): Record<string, string | number> {
  const def = NODE_TYPES[nodeType]
  if (!def) return {}
  return Object.fromEntries(def.params.map(p => [p.key, p.default]))
}