import { medicalPositions } from "~/lib/roles"

export interface EncounterItem {
  id: string
  title: string
  classCode?: string[]
  unit?: string,
  afterId?: string
}

export const defaultItems: EncounterItem[] = [
  {
    id: 'status',
    title: 'Status Masuk/Keluar',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'early-medical-assessment',
    title: 'Pengkajian Awal Medis',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'rehab-medical-assessment',
    title: 'Pengkajian Awal Medis Rehabilitasi Medis',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'rehab',
    afterId: 'early-medical-assessment',
  },
  {
    id: 'function-assessment',
    title: 'Asesmen Fungsi',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'rehab',
    afterId: 'rehab-medical-assessment',
  },
  {
    id: 'therapy-protocol',
    classCode: ['ambulatory'],
    title: 'Protokol Terapi',
    unit: 'rehab',
    afterId: 'function-assessment',
  },
  {
    id: 'chemotherapy-protocol',
    title: 'Protokol Kemoterapi',
    classCode: ['ambulatory'],
    unit: 'chemo',
  },
  {
    id: 'chemotherapy-medicine',
    title: 'Protokol Obat Kemoterapi',
    classCode: ['ambulatory'],
    unit: 'chemo',
  },
  {
    id: 'report',
    title: 'Laporan Tindakan',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'patient-note',
    title: 'CPRJ',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'education-assessment',
    title: 'Asesmen Kebutuhan Edukasi',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'consent',
    title: 'General Consent',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'prescription',
    title: 'Order Obat',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'device',
    title: 'Order Alkes',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'mcu-radiology',
    title: 'Order Radiologi',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'mcu-lab-pc',
    title: 'Order Lab PK',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'mcu-lab-micro',
    title: 'Order Lab Mikro',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'mcu-lab-pa',
    title: 'Order Lab PA',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'medical-action',
    title: 'Order Ruang Tindakan',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'mcu-result',
    title: 'Hasil Penunjang',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'consultation',
    title: 'Konsultasi',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'resume',
    title: 'Resume',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'control',
    title: 'Surat Kontrol',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'screening',
    title: 'Skrinning MPP',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
  {
    id: 'supporting-document',
    title: 'Upload Dokumen Pendukung',
    classCode: ['ambulatory'],
    unit: 'rehab',
  },
  {
    id: 'price-list',
    title: 'Tarif Tindakan',
    classCode: ['ambulatory', 'emergency', 'inpatient'],
    unit: 'all',
  },
]

const getItemsByClassCode = (classCode: string, items: EncounterItem[]) => {
  return items.filter((item) => item.classCode?.includes(classCode))
}

const getItemsByUnit = (unit: string, items: EncounterItem[]) => {
  return items.filter((item) => item.unit === unit)
}

const getItemsByIds = (ids: string[], items: EncounterItem[]) => {
  return items.filter((item) => ids.includes(item.id))
}

const getIndexById = (id: string, items: EncounterItem[]) => {
  return items.findIndex((item) => item.id === id)
}

export function insertItemByAfterId(id: string, items: EncounterItem[], newItem: EncounterItem) {
  const index = getIndexById(id, items)
  if (index > -1) {
    items.splice(index + 1, 0, newItem)
  }
}

export function mergeArrayAt<T>(
  arraysOne: T[],
  arraysTwo: T[] | T,
  deleteCount = 0,
): T[] {
  const prevItems = arraysOne.slice()
  if (!prevItems) return prevItems
  const nextItems = Array.isArray(arraysTwo) ? arraysTwo : [arraysTwo]
  if (nextItems.length === 0) return prevItems
  // determine insertion position using the first item's `id` if available
  const firstId =  (nextItems[0] as any)?.afterId || (prevItems[0] as any)?.id
  let pos = prevItems.length
  if (typeof firstId === 'string') {
    const index = prevItems.findIndex((item: any) => item.id === firstId)
    pos = index < 0 ? Math.max(prevItems.length + index, 0) : Math.min(index, prevItems.length)
  }
  prevItems.splice(pos, deleteCount, ...nextItems)
  return prevItems
}

export const getItemsAll = (classCode: string, unit: string, items: EncounterItem[]) => {
  const prevItems = [...items]
  let updateItems = getItemsByClassCode(classCode, prevItems)
  updateItems = getItemsByUnit(unit, updateItems)
  return updateItems
}

const listItemsForOutpatientRehab = mergeArrayAt(
  getItemsAll('ambulatory', 'all', defaultItems),
  getItemsByIds(['rehab-medical-assessment', 'function-assessment', 'therapy-protocol'], defaultItems),
)

export const listItems = {
  'installation|outpatient': {
    'unit|rehab': {
      'items': listItemsForOutpatientRehab,
      'roles': medicalPositions,
    },
    'all': getItemsAll('ambulatory', 'all', defaultItems),
  },
  'installation|emergency': {
    'all': getItemsAll('emergency', 'all', defaultItems),
  },
  'installation|inpatient': {
    'all': getItemsAll('inpatient', 'all', defaultItems),
  }
}