import type { TreeItem } from '~/components/pub/my-ui/select-tree/type'
import * as z from 'zod'

export const divisionConf = {
  msg: {
    placeholder: '---pilih divisi utama',
    search: 'kode, nama divisi',
    empty: 'divisi tidak ditemukan',
  },
  items: [
    { value: '1', label: 'Medical' },
    { value: '2', label: 'Nursing' },
    { value: '3', label: 'Admin' },
    { value: '4', label: 'Support' },
    { value: '5', label: 'Education' },
    { value: '6', label: 'Pharmacy' },
    { value: '7', label: 'Radiology' },
    { value: '8', label: 'Laboratory' },
    { value: '9', label: 'Finance' },
    { value: '10', label: 'Human Resources' },
    { value: '11', label: 'IT Services' },
    { value: '12', label: 'Maintenance' },
    { value: '13', label: 'Catering' },
    { value: '14', label: 'Security' },
    { value: '15', label: 'Emergency' },
    { value: '16', label: 'Surgery' },
    { value: '17', label: 'Outpatient' },
    { value: '18', label: 'Inpatient' },
    { value: '19', label: 'Rehabilitation' },
    { value: '20', label: 'Research' },
  ],
}

export const schema = z.object({
  name: z
    .string({
      required_error: 'Nama wajib diisi',
    })
    .min(1, 'Nama divisi wajib diisi'),

  code: z
    .string({
      required_error: 'Kode wajib diisi',
    })
    .min(1, 'Kode divisi wajib diisi'),

  parentId: z.string().optional(),
})

// State untuk tree data divisi - dimulai dengan data level atas
const divisionTreeData = ref<TreeItem[]>([
  { value: '1', label: 'Medical', hasChildren: true },
  { value: '2', label: 'Nursing', hasChildren: true },
  { value: '3', label: 'Admin', hasChildren: false },
  { value: '4', label: 'Support', hasChildren: true },
  { value: '5', label: 'Education', hasChildren: false },
  { value: '6', label: 'Pharmacy', hasChildren: true },
  { value: '7', label: 'Radiology', hasChildren: false },
  { value: '8', label: 'Laboratory', hasChildren: true },
])

// Helper function untuk mencari dan menyisipkan data anak ke dalam tree
function findAndInsertChildren(nodes: TreeItem[], parentId: string, newChildren: TreeItem[]): boolean {
  for (const node of nodes) {
    if (node.value === parentId) {
      node.children = newChildren
      return true
    }
    if (node.children && findAndInsertChildren(node.children as TreeItem[], parentId, newChildren)) {
      return true
    }
  }
  return false
}

// Fungsi untuk fetch data anak divisi (lazy loading)
async function handleFetchDivisionChildren(parentId: string): Promise<void> {
  console.log(`Mengambil data sub-divisi untuk parent: ${parentId}`)

  // Simulasi delay API call
  await new Promise((resolve) => setTimeout(resolve, 800))

  let childrenData: TreeItem[] = []

  // Sample data berdasarkan parent ID
  switch (parentId) {
    case '1': // Medical
      childrenData = [
        { value: '1-1', label: 'Cardiology', hasChildren: true },
        { value: '1-2', label: 'Neurology', hasChildren: false },
        { value: '1-3', label: 'Oncology', hasChildren: false },
      ]
      break
    case '2': // Nursing
      childrenData = [
        { value: '2-1', label: 'ICU Nursing', hasChildren: false },
        { value: '2-2', label: 'ER Nursing', hasChildren: false },
        { value: '2-3', label: 'Ward Nursing', hasChildren: true },
      ]
      break
    case '4': // Support
      childrenData = [
        { value: '4-1', label: 'IT Support', hasChildren: false },
        { value: '4-2', label: 'Maintenance', hasChildren: false },
      ]
      break
    case '6': // Pharmacy
      childrenData = [
        { value: '6-1', label: 'Inpatient Pharmacy', hasChildren: false },
        { value: '6-2', label: 'Outpatient Pharmacy', hasChildren: false },
      ]
      break
    case '8': // Laboratory
      childrenData = [
        { value: '8-1', label: 'Clinical Lab', hasChildren: false },
        { value: '8-2', label: 'Pathology Lab', hasChildren: false },
      ]
      break
    case '1-1': // Cardiology sub-divisions
      childrenData = [
        { value: '1-1-1', label: 'Cardiac Surgery', hasChildren: false },
        { value: '1-1-2', label: 'Cardiac Cathlab', hasChildren: false },
      ]
      break
    case '2-3': // Ward Nursing sub-divisions
      childrenData = [
        { value: '2-3-1', label: 'Pediatric Ward', hasChildren: false },
        { value: '2-3-2', label: 'Surgical Ward', hasChildren: false },
      ]
      break
  }

  // Insert data ke dalam tree state
  findAndInsertChildren(divisionTreeData.value, parentId, childrenData)
}

export const divisionTreeConfig = computed(() => ({
  msg: {
    placeholder: '--- Pilih divisi induk',
    search: 'Cari divisi...',
    empty: 'Divisi tidak ditemukan',
  },
  data: divisionTreeData.value,
  onFetchChildren: handleFetchDivisionChildren,
}))