require "erb"

module Wework
  module Api
    class Agent < Base
      # user agent: UA is mozilla/5.0 (iphone; cpu iphone os 10_2 like mac os x) applewebkit/602.3.12 (khtml, like gecko) mobile/14c92 wxwork/1.3.2 micromessenger/6.2

      def authorize_url(redirect_uri, scope="snsapi_base", state="wxwork")
        uri = ERB::Util.url_encode(redirect_uri)
        "#{AUTHORIZE_ENDPOINT}?appid=#{corp_id}&redirect_uri=#{uri}&response_type=code&scope=#{scope}&state=#{state}#wechat_redirect"
      end

      def get_oauth_userinfo code
        get 'user/getuserinfo', params: {code: code}
      end

      def get_jssign_package url
        timestamp = Time.now.to_i
        noncestr = SecureRandom.hex(8)
        str = "jsapi_ticket=#{jsapi_ticket}&noncestr=#{noncestr}&timestamp=#{timestamp}&url=#{url}"
        {
          "appId"     => corp_id,
          "nonceStr"  => noncestr,
          "timestamp" => timestamp,
          "url"       => url,
          "signature" => Digest::SHA1.hexdigest(str),
          "rawString" => str
        }
      end

      def get_info
        get 'agent/get', params: {agentid: agent_id}
      end

      def set_info data={}
        post 'agent/set', data.merge(agentid: agent_id)
      end

      def menu_create menu
        post 'menu/create', menu, params: {agentid: agent_id}
      end

      def menu_get
        get 'menu/get', params: {agentid: agent_id}
      end

      def menu_delete
        get 'menu/delete', params: {agentid: agent_id}
      end

      def message_send user_ids, department_ids, payload={}
        payload[:agentid] = agent_id
        payload[:touser] = Array.wrap(user_ids).join('|') if user_ids.present?
        payload[:toparty] = Array.wrap(department_ids).join('|') if department_ids.present?
        post 'message/send', payload
      end

      def text_message_send user_ids, department_ids, content
        message_send user_ids, department_ids, {text: {content: content}, msgtype: 'text'}
      end

      def image_message_send user_ids, department_ids, media_id
        message_send user_ids, department_ids, {image: {media_id: media_id}, msgtype: 'image'}
      end

      def voice_message_send user_ids, department_ids, media_id
        message_send user_ids, department_ids, {voice: {media_id: media_id}, msgtype: 'voice'}
      end

      def file_message_send user_ids, department_ids, media_id
        message_send user_ids, department_ids, {file: {media_id: media_id}, msgtype: 'file'}
      end

      def video_message_send user_ids, department_ids, video={}
        message_send user_ids, department_ids, {video: video, msgtype: 'video'}
      end

      def textcard_message_send user_ids, department_ids, textcard={}
        message_send user_ids, department_ids, {textcard: textcard, msgtype: 'textcard'}
      end

      def news_message_send user_ids, department_ids, news=[]
        message_send user_ids, department_ids, {news: {articles: news}, msgtype: 'news'}
      end

      private

      def agent_id
        @app_id.to_i
      end

    end
  end
end