const MESSAGE_DETAIL_KEY = 'messageDetailPayload'
const MESSAGE_LIST_KEY = 'messageListSnapshot'

function normalizeLookupValue(value = '') {
  return String(value || '').trim()
}

function getMessageStorageKey(baseKey, language = '') {
  const normalizedLanguage = String(language || '').trim().toLowerCase() === 'en' ? 'en' : 'zh'
  return `${baseKey}_${normalizedLanguage}`
}

export function saveMessageDetailPayload(payload = {}, language = '') {
  uni.setStorageSync(getMessageStorageKey(MESSAGE_DETAIL_KEY, language), payload || {})
  return payload || {}
}

export function getMessageDetailPayload(language = '') {
  return uni.getStorageSync(getMessageStorageKey(MESSAGE_DETAIL_KEY, language)) || {}
}

export function saveMessageListSnapshot(list = [], language = '') {
  const nextList = Array.isArray(list) ? list : []
  uni.setStorageSync(getMessageStorageKey(MESSAGE_LIST_KEY, language), nextList)
  return nextList
}

export function getMessageListSnapshot(language = '') {
  const list = uni.getStorageSync(getMessageStorageKey(MESSAGE_LIST_KEY, language))
  return Array.isArray(list) ? list : []
}

export function findMessageDetailPayload(id = '', code = '', language = '') {
  const targetId = normalizeLookupValue(id)
  const targetCode = normalizeLookupValue(code)
  const list = getMessageListSnapshot(language)

  return list.find(item => {
    const currentId = normalizeLookupValue(item && item.id)
    const currentCode = normalizeLookupValue(item && item.code)
    return (targetId && currentId === targetId) || (targetCode && currentCode === targetCode)
  }) || {}
}

export function clearMessageDetailPayload(language = '') {
  uni.removeStorageSync(getMessageStorageKey(MESSAGE_DETAIL_KEY, language))
}