export const CORP_GOODS_TYPES = ['license_year', 'license_destory', 'credit_repair'] as const

export type CorpGoodsType = (typeof CORP_GOODS_TYPES)[number]

const RECEIPT_META: Record<CorpGoodsType, { title: string, description: string }> = {
  credit_repair: {
    title: '工商信息修复回执单',
    description:
      '信用网站官网 https://www.creditchina.gov.cn/\n' +
      '搜索企业： 在首页搜索框输入公司全称或统一社会信用代码进行查询\n' +
      '查看信用信息： 进入企业信用信息详情页；\n' +
      '重点关注：\n' +
      '1."行政处罚"栏目： 查看该条被修复的行政处罚信息状态。如果修复成功，通常会显示"已修复"、"已信用修复"、"已撤下"等状态标识，或者该条信息已不再显示在公示列表中；\n' +
      '2."信用修复"栏目（如果有）： 有些平台会单独列出企业的信用修复申请记录及状态（如：申请中、审核通过/修复成功、审核不通过）；\n' +
      '3.查看"失信信息"或"重点关注名单"： 如果该处罚曾导致企业被列入失信名单或重点关注名单，确认这些名单中是否已移除该公司；',
  },
  license_destory: {
    title: '工商信息注销回执单',
    description:
      '访问官网（http://www.gsxt.gov.cn），输入企业名称或统一社会信用代码进行搜索。\n' +
      '在企业详情页面查看“登记状态”栏是否标注为“注销”\n' +
      '注意：注销信息通常需1-3天完成公示更新，建议完成注销流程后次日查询。',
  },
  license_year: {
    title: '信息申报回执单',
    description:
      '年报国家公示官网：https://www.gsxt.gov.cn\n' +
      '1.年报公示日期为7个工作日，到期后可自行登陆国家企业信用信息官网查询；\n' +
      '2.您的个人信息(姓名、电话、身份证)，只用于您办理业务时使用；\n' +
      '3.企业一站式服务平台为第三方企业服务公司，办理业务方便快捷，办理不成功退全部费用；',
  },
}

export function isCorpGoodsType (goodsType?: string): goodsType is CorpGoodsType {
  return (CORP_GOODS_TYPES as readonly string[]).includes(goodsType || '')
}

export function shouldShowReceipt (goodsType?: string) {
  return isCorpGoodsType(goodsType)
}

export function pickGoodsType (payload: any): string {
  const data = payload?.data ?? payload ?? {}
  const prev = data.prev_info ?? data.prevInfo ?? payload?.prevInfo ?? {}
  const fromPrev = String(prev.goods_type || prev.type || '').trim()
  if (fromPrev) return fromPrev

  const goods = Array.isArray(data.goods) ? data.goods : []
  const first = goods[0] || {}
  return String(first.goods_type || first.type || '').trim()
}

export function getReceiptMeta (goodsType?: string, goodsName?: string) {
  if (isCorpGoodsType(goodsType)) {
    return RECEIPT_META[goodsType]
  }
  const name = String(goodsName || '').trim()
  return {
    title: name ? `${name}回执单` : '回执单',
    description: '',
  }
}

export type OrderFile = {
  id?: string
  url?: string
}

function isPdfUrl (url: string) {
  return /\.pdf(?:$|[?#])/i.test(url)
}

export function splitOrderFiles (files?: OrderFile[] | null) {
  const images: OrderFile[] = []
  const pdfs: OrderFile[] = []

  for (const file of files || []) {
    const url = typeof file?.url === 'string' ? file.url.replace(/^http:\/\//i, 'https://') : ''
    if (!url) continue
    const nextFile = url === file.url ? file : { ...file, url }
    if (isPdfUrl(url)) pdfs.push(nextFile)
    else images.push(nextFile)
  }

  return { images, pdfs }
}

export function numberToUpperCase (money: unknown): string {
  const cnNums = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']
  const cnIntRadice = ['', '拾', '佰', '仟']
  const cnIntUnits = ['', '万', '亿', '兆']
  const cnDecUnits = ['角', '分']
  const cnInteger = '整'
  const cnIntLast = '元'

  if (money === '' || money === undefined || money === null) return ''

  const text = String(money)
  const cashText = text.charAt(0) === '-' ? text.slice(1) : text
  let cash = parseFloat(cashText)
  if (cash === 0) return `${cnNums[0]}${cnIntLast}${cnInteger}`
  if (!Number.isFinite(cash)) return ''

  const [integerNum, rawDecimal = ''] = cash.toString().split('.')
  const decimalNum = rawDecimal.substr(0, 2)
  let chineseStr = ''

  if (integerNum !== '-' && parseInt(integerNum, 10) > 0) {
    const intLen = integerNum.length
    let zero = 0
    for (let i = 0; i < intLen; i++) {
      const intChar = integerNum.substr(i, 1)
      const intSlen = intLen - i - 1
      const divided = intSlen / 4
      const remain = intSlen % 4

      if (intChar === '0') {
        zero += 1
      } else {
        if (zero > 0) chineseStr += cnNums[0]
        zero = 0
        chineseStr += cnNums[parseInt(intChar, 10)] + cnIntRadice[remain]
      }
      if (remain === 0 && divided > 0) {
        chineseStr += cnIntUnits[divided]
      }
    }
    chineseStr += cnIntLast
  }

  if (decimalNum) {
    for (let i = 0; i < decimalNum.length; i++) {
      const decChar = decimalNum.substr(i, 1)
      if (decChar !== '0') {
        chineseStr += cnNums[parseInt(decChar, 10)] + cnDecUnits[i]
      }
      if (decChar === '0' && parseInt(integerNum, 10) > 0) {
        chineseStr += cnNums[0] + cnDecUnits[i]
      }
    }
  } else {
    chineseStr += cnInteger
  }

  return chineseStr
}