import type { MediaPlatform } from '@geo/shared-types'

export interface KolPlatformOption {
  label: string
  value: string
  disabled?: boolean
}

export const KOL_PLATFORM_HINT_DEFAULT = '通用'

export function buildKolPlatformOptions(
  defaultLabel: string,
  platforms: MediaPlatform[] = [],
  selectedValues: string[] = [],
): KolPlatformOption[] {
  const defaultSelected = selectedValues.includes(KOL_PLATFORM_HINT_DEFAULT)
  const options = [
    { label: defaultLabel, value: '通用' },
    ...platforms.map((item) => ({
      label: item.name,
      value: item.name,
      disabled: defaultSelected,
    })),
  ]
  const knownValues = new Set(options.map((item) => item.value))
  const customOptions = normalizeKolPlatformHints(selectedValues)
    .filter((value) => !knownValues.has(value))
    .map((value) => ({ label: value, value }))

  return [...customOptions, ...options]
}

export function parseKolPlatformHints(value?: string | null): string[] {
  return normalizeKolPlatformHints(String(value ?? '').split(/[、,，;\n]+/))
}

export function normalizeKolPlatformHints(values?: Array<string | null | undefined>): string[] {
  const next = Array.from(
    new Set((values ?? []).map((item) => String(item ?? '').trim()).filter(Boolean)),
  )

  if (next.includes(KOL_PLATFORM_HINT_DEFAULT)) {
    return [KOL_PLATFORM_HINT_DEFAULT]
  }

  return next
}

export function serializeKolPlatformHints(values?: Array<string | null | undefined>): string {
  return normalizeKolPlatformHints(values).join('、')
}