import { isProductPackageType } from '@/lib/material-type-mapper'

type TaskDetailAssetLike = {
  assetType?: string | null
}

type TaskDetailUploadGroups = {
  main?: ArrayLike<unknown> | null
  sku?: ArrayLike<unknown> | null
  detail?: ArrayLike<unknown> | null
}

const TASK_DETAIL_FULL_SET_GROUPS = {
  main: new Set(['main-preview', 'main']),
  sku: new Set(['sku-preview', 'sku']),
  detail: new Set(['detail-preview', 'detail']),
} as const

function hasUploadItems(items: ArrayLike<unknown> | null | undefined): boolean {
  return Boolean(items && typeof items.length === 'number' && items.length > 0)
}

export function isTaskDetailFullSetFromUploadGroups(
  groups: TaskDetailUploadGroups | null | undefined,
): boolean {
  return (
    hasUploadItems(groups?.main) &&
    hasUploadItems(groups?.sku) &&
    hasUploadItems(groups?.detail)
  )
}

export function isTaskDetailFullSetFromAssetTypes(
  assetTypes: Array<string | null | undefined>,
): boolean {
  let hasMain = false
  let hasSku = false
  let hasDetail = false

  for (const assetType of assetTypes) {
    if (!assetType) {
      continue
    }

    if (TASK_DETAIL_FULL_SET_GROUPS.main.has(assetType as 'main-preview' | 'main')) {
      hasMain = true
    }

    if (TASK_DETAIL_FULL_SET_GROUPS.sku.has(assetType as 'sku-preview' | 'sku')) {
      hasSku = true
    }

    if (TASK_DETAIL_FULL_SET_GROUPS.detail.has(assetType as 'detail-preview' | 'detail')) {
      hasDetail = true
    }

    if (hasMain && hasSku && hasDetail) {
      return true
    }
  }

  return false
}

export function isTaskDetailFullSetFromAssets(
  assets: TaskDetailAssetLike[] | null | undefined,
): boolean {
  if (!Array.isArray(assets) || assets.length === 0) {
    return false
  }

  return isTaskDetailFullSetFromAssetTypes(assets.map((asset) => asset?.assetType))
}

export function deriveTaskDetailIsFullSet(
  materialType: string | null | undefined,
  assets: TaskDetailAssetLike[] | null | undefined,
  fallback = false,
): boolean {
  if (!isProductPackageType(materialType || '')) {
    return false
  }

  if (Array.isArray(assets)) {
    return isTaskDetailFullSetFromAssets(assets)
  }

  return Boolean(fallback)
}