export function isEnglishLocale(i18n) {
  return !!(i18n && i18n.locale === 'en-US')
}

export function getDictLabel(item, isEn) {
  if (!item) return ''
  if (isEn) {
    return item.dict_value_en || item.dict_value_zh || item.dict_value || ''
  }
  return item.dict_value_zh || item.dict_value || item.dict_value_en || ''
}

export function extractConsultOptionList(res) {
  if (res && Array.isArray(res.data)) return res.data
  if (res && res.data && Array.isArray(res.data.data)) return res.data.data
  return []
}

export function normalizeDictOptions(list, type) {
  return list
    .filter(item => item && item.dict_type === type)
    .sort((a, b) => Number(a.sort_order || 0) - Number(b.sort_order || 0))
    .map(item => ({
      id: String(item.dict_key),
      nameZh: item.dict_value_zh || item.dict_value || '',
      nameEn: item.dict_value_en || item.dict_value_zh || item.dict_value || ''
    }))
}

export function parseDirectionParts(label, isEn) {
  if (!label) {
    return { title: '', desc: '' }
  }

  const text = String(label)
  if (isEn) {
    const match = text.match(/^(.+?)\s*\((.+)\)\s*$/)
    return match
      ? { title: match[1].trim(), desc: match[2].trim() }
      : { title: text, desc: '' }
  }

  const match = text.match(/^(.+?)（(.+?)）$/)
  return match
    ? { title: match[1].trim(), desc: match[2].trim() }
    : { title: text, desc: '' }
}

export function normalizeDirectionOptions(list) {
  return list
    .filter(item => item && item.dict_type === 'direction')
    .sort((a, b) => Number(a.sort_order || 0) - Number(b.sort_order || 0))
    .map(item => {
      const nameZh = item.dict_value_zh || item.dict_value || ''
      const nameEn = item.dict_value_en || nameZh
      const parts = parseDirectionParts(nameZh, false)

      return {
        id: String(item.dict_key),
        nameZh,
        nameEn,
        titleZh: parts.title,
        descZh: parts.desc,
        titleEn: parseDirectionParts(nameEn, true).title,
        descEn: parseDirectionParts(nameEn, true).desc
      }
    })
}

export function localizeDictOptions(options, isEn) {
  return (options || []).map(item => ({
    ...item,
    name: isEn ? item.nameEn : item.nameZh
  }))
}

export function localizeDirectionOptions(options, isEn) {
  return (options || []).map(item => ({
    ...item,
    name: isEn ? item.nameEn : item.nameZh,
    title: isEn ? item.titleEn : item.titleZh,
    desc: isEn ? item.descEn : item.descZh
  }))
}