module Hippospay

# File lib/hippospay.rb, line 9
def get_hippo(day: "24", month: "4", year: "1987")
  page = '0'
  limit = '100'
  type = '1'
  api_url = 'https://shq-api.51fubei.com/gateway'
  app_id = HIPPO_APP_ID
  app_secret = HIPPO_APP_SECRET
  method = 'openapi.payment.order.reconciliation'
  nonce = (0...32).map { ('a'..'z').to_a[rand(26)] }.join
  next_page = true
  daily_hippos = []

  while next_page do
    page = (page.to_i+1).to_s

    biz_content = {
      "day": day,
      "limit": limit,
      "month": month,
      "page": page,
      "type": type,
      "year": year
    }

    to_sign = "app_id=#{app_id}&biz_content=#{biz_content.to_json}&format=json&method=#{method}&nonce=#{nonce}&sign_method=md5&version=1.0#{app_secret}"

    sign = Digest::MD5.hexdigest(to_sign).upcase

    send = '{"biz_content":"{\"day\":\"'+day+'\",\"limit\":\"'+limit+'\",\"month\":\"'+month+'\",\"page\":\"'+page+'\",\"type\":\"'+type+'\",\"year\":\"'+year+'\"}","method":"'+method+'","format":"json","sign_method":"md5","sign":"'+sign+'","app_id":"'+app_id+'","nonce":"'+nonce+'","version":"1.0"}'

    uri = URI.parse(api_url)

    header = {'Content-Type': 'application/json'}

    # Create the HTTP objects
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    request = Net::HTTP::Post.new(uri.request_uri, header)
    request.body = send

    # Send the request
    response = http.request(request)
    a = JSON.parse(response.body)

    result = a["data"]["list"]
    daily_hippos += result

    next_page = a["data"]["list"].any?
  end
  daily_hippos
end