frontend/src/lib/errors.ts

import { apiGetWrapped } from './api'
import type { TaskRecord } from './tasks'

export type ErrorSummaryResponse = {
  scan_limit: number
  scanned: number
  error_kind_counts: Record<string, number>
  tasks: TaskRecord[]
  total: number
  limit: number
  offset: number
}

export type ErrorSummaryParams = {
  scan_limit?: number
  limit: number
  offset: number
  status?: string[]
  error_kind?: string[]
}

function join(values?: string[]) {
  const parts = (values || []).map((v) => String(v).trim()).filter((v) => v !== '')
  return parts.length ? parts.join(',') : undefined
}

export async function getErrorSummary(params: ErrorSummaryParams) {
  const search = new URLSearchParams()
  search.set('limit', String(params.limit))
  search.set('offset', String(params.offset))

  if (typeof params.scan_limit === 'number' && Number.isFinite(params.scan_limit) && params.scan_limit > 0) {
    search.set('scan_limit', String(Math.floor(params.scan_limit)))
  }

  const status = join(params.status)
  const errorKind = join(params.error_kind)
  if (status) search.set('status', status)
  if (errorKind) search.set('error_kind', errorKind)

  return apiGetWrapped<ErrorSummaryResponse>(`errors/summary?${search.toString()}`)
}