import { useUserStore } from '@/store/modules/user'

export const CREATOR_DELETE_TIP = '仅创建人可删除'

/** 当前登录用户 ID（UUID 字符串） */
export function getCurrentUserId(): string {
  const info = useUserStore().info as Record<string, unknown>
  const id = info?.id ?? info?.userId ?? info?.user_id
  if (id === undefined || id === null || id === '') return ''
  return String(id)
}

/** 是否 super_admin */
export function isSuperAdmin(): boolean {
  const info = useUserStore().info as Record<string, unknown>
  const roles = (info?.roles as string[] | undefined) ?? []
  const role = (info?.role as string | undefined) ?? ''
  return role === 'super_admin' || roles.includes('super_admin')
}

export function rowCreatorId(row: Record<string, unknown> | null | undefined): string {
  if (!row) return ''
  const creator =
    row.createBy ??
    row.create_by ??
    row.applicantId ??
    row.applicant_id
  if (creator === undefined || creator === null || creator === '') return ''
  return String(creator)
}

/** 是否允许删除（仅创建人或 super_admin） */
export function canDeleteByCreator(
  row: Record<string, unknown> | null | undefined,
  currentUserId?: string
): boolean {
  if (!row) return false
  if (isSuperAdmin()) return true
  const uid = (currentUserId ?? getCurrentUserId()).trim()
  const creator = rowCreatorId(row)
  if (!creator) return false
  if (uid && creator === uid) return true
  const info = useUserStore().info as Record<string, unknown>
  const names = [info?.realName, info?.real_name, info?.userName, info?.username, info?.nickName]
    .filter(Boolean)
    .map(String)
  return names.includes(creator)
}

/** 批量删除前过滤可删行 */
export function filterDeletableByCreator<T extends Record<string, unknown>>(
  rows: T[],
  currentUserId?: string
): T[] {
  return rows.filter((row) => canDeleteByCreator(row, currentUserId))
}

/** 选中项是否全部可删 */
export function allRowsDeletableByCreator(
  rows: Record<string, unknown>[],
  currentUserId?: string
): boolean {
  if (!rows.length) return false
  return rows.every((row) => canDeleteByCreator(row, currentUserId))
}