import { pb } from './pocketbase'
import type { Asset } from '@/types'

export interface CreateAssetData {
  group: string
  name: string
  type: string
  description?: string
  image?: File
}

export interface UpdateAssetData {
  name?: string
  type?: string
  description?: string
}

export async function createAsset(data: CreateAssetData): Promise<Asset> {
  const user = pb.authStore.model
  const formData = new FormData()
  formData.append('group', data.group)
  formData.append('creator', user?.id || '')
  formData.append('name', data.name)
  formData.append('type', data.type)
  if (data.description) formData.append('description', data.description)
  if (data.image) formData.append('image', data.image)

  return pb.collection('assets').create(formData, { $autoCancel: false }) as Promise<Asset>
}

export async function listAssets(groupId: string): Promise<Asset[]> {
  const result = await pb.collection('assets').getFullList({
    filter: `group="${groupId}"`,
    sort: 'created',
    expand: 'creator,currentHolder',
    $autoCancel: false
  })
  return result as unknown as Asset[]
}

export async function updateAsset(
  assetId: string,
  data: UpdateAssetData,
  image?: File
): Promise<Asset> {
  if (image) {
    const formData = new FormData()
    if (data.name) formData.append('name', data.name)
    if (data.type) formData.append('type', data.type)
    if (data.description !== undefined) formData.append('description', data.description)
    formData.append('image', image)

    return pb.collection('assets').update(assetId, formData, { $autoCancel: false }) as Promise<Asset>
  }

  return pb.collection('assets').update(assetId, data, { $autoCancel: false }) as Promise<Asset>
}

export async function transferAsset(assetId: string, userId: string): Promise<Asset> {
  return pb.collection('assets').update(assetId, {
    currentHolder: userId
  }, { $autoCancel: false }) as Promise<Asset>
}

export async function deleteAsset(assetId: string): Promise<void> {
  await pb.collection('assets').delete(assetId, { $autoCancel: false })
}

export function subscribeAssets(
  groupId: string,
  callback: (data: any) => void
): Promise<() => Promise<void>> {
  return pb.collection('assets').subscribe('*', (data) => {
    if (data.record?.group === groupId) {
      callback(data)
    }
  })
}

export function getAssetImageUrl(assetId: string, filename: string, thumb?: string): string {
  const record = { id: assetId, image: filename }
  return pb.files.getUrl(record, filename, thumb ? { thumb } : undefined)
}