#coding=utf-8
class WechatsController < ActionController::Base
  wechat_responder

  include ApplicationHelper

  # default text responder when no other match
  on :text do |request, content|
    request.reply.text "您的意见已收到" # Just echo
  end

  # When receive 'help', will trigger this responder
  on :text, with: 'help' do |request|
    request.reply.text 'help content'
  end

  # When receive '<n>news', will match and will got count as <n> as parameter
  on :text, with: /^(\d+) news$/ do |request, count|
    # Wechat article can only contain max 10 items, large than 10 will dropped.
    news = (1..count.to_i).each_with_object([]) { |n, memo| memo << { title: 'News title', content: "No. #{n} news content" } }
    request.reply.news(news) do |article, n, index| # article is return object
      article.item title: "#{index} #{n[:title]}", description: n[:content], pic_url: 'http://www.baidu.com/img/bdlogo.gif', url: 'http://www.baidu.com/'
    end
  end

  on :event, with: 'subscribe' do |request|
    default_msg(request)
  end

  # When unsubscribe user scan qrcode qrscene_xxxxxx to subscribe in public account
  # notice user will subscribe public account at same time, so wechat won't trigger subscribe event any more
  on :scan, with: 'qrscene_xxxxxx' do |request, ticket|
    request.reply.text "Unsubscribe user #{request[:FromUserName]} Ticket #{ticket}"
  end

  # When subscribe user scan scene_id in public account
  on :scan, with: 'scene_id' do |request, ticket|
    request.reply.text "Subscribe user #{request[:FromUserName]} Ticket #{ticket}"
  end

  # When no any on :scan responder can match subscribe user scaned scene_id
  on :event, with: 'scan' do |request|
    if request[:EventKey].present?
      request.reply.text "event scan got EventKey #{request[:EventKey]} Ticket #{request[:Ticket]}"
    end
  end

  # When enterprise user press menu BINDING_QR_CODE and success to scan bar code
  on :scan, with: 'BINDING_QR_CODE' do |request, scan_result, scan_type|
    request.reply.text "User #{request[:FromUserName]} ScanResult #{scan_result} ScanType #{scan_type}"
  end

  # Except QR code, wechat can also scan CODE_39 bar code in enterprise account
  on :scan, with: 'BINDING_BARCODE' do |message, scan_result|
    if scan_result.start_with? 'CODE_39,'
      message.reply.text "User: #{message[:FromUserName]} scan barcode, result is #{scan_result.split(',')[1]}"
    end
  end

  # When user click the menu button
  on :click, with: 'BOOK_LUNCH' do |request, key|
    request.reply.text "User: #{request[:FromUserName]} click #{key}"
  end

  # When user view URL in the menu button
  on :view, with: 'http://wechat.somewhere.com/view_url' do |request, view|
    request.reply.text "#{request[:FromUserName]} view #{view}"
  end

  # When user sent the imsage
  on :image do |request|
    request.reply.image(request[:MediaId]) # Echo the sent image to user
  end

  # When user sent the voice
  on :voice do |request|
    request.reply.voice(request[:MediaId]) # Echo the sent voice to user
  end

  # When user sent the video
  on :video do |request|
    nickname = wechat.user(request[:FromUserName])['nickname'] # Call wechat api to get sender nickname
    request.reply.video(request[:MediaId], title: 'Echo', description: "Got #{nickname} sent video") # Echo the sent video to user
  end

  # When user sent location
  on :location do |request|
    request.reply.text("Latitude: #{message[:Latitude]} Longitude: #{message[:Longitude]} Precision: #{message[:Precision]}")
  end

  on :event, with: 'unsubscribe' do |request|
    request.reply.success # user can not receive this message
  end

  # When user enter the app / agent app
  on :event, with: 'enter_agent' do |request|
    request.reply.text "#{request[:FromUserName]} enter agent app now"
  end

  # When batch job create/update user (incremental) finished.
  on :batch_job, with: 'sync_user' do |request, batch_job|
    request.reply.text "sync_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
  end

  # When batch job replace user (full sync) finished.
  on :batch_job, with: 'replace_user' do |request, batch_job|
    request.reply.text "replace_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
  end

  # When batch job invent user finished.
  on :batch_job, with: 'invite_user' do |request, batch_job|
    request.reply.text "invite_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
  end

  # When batch job replace department (full sync) finished.
  on :batch_job, with: 'replace_party' do |request, batch_job|
    request.reply.text "replace_party job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
  end

  # Any not match above will fail to below
  on :fallback, respond: 'fallback message'

  on :click, with: 'FEEDBACK' do |request, key|
    request.reply.text "如有反馈问题,请直接切入至输入框,发微信给我们即可"
  end

  on :click, with: 'MY_NEWS' do |request, key|
    default_msg(request)
  end

  def default_msg(request)
    uw = user_binded?(request[:FromUserName])
    if uw && uw.user
      request.reply.text "欢迎回来, #{uw.user.show_name}"
    else
      request.reply.text "欢迎关注Trustie创新实践社区"
      sendBind(request)
    end
  end

  def sendBind(request)
    news = (1..1).each_with_object([]) { |n, memo| memo << { title: '绑定登录', content: "欢迎使用Trustie创新实践服务平台！ 在这里您可以随时了解您的课程和项目动态，随时点赞和回复。
我们将会与微信不断结合，为您提供更有价值的服务。  您还未绑定确实的用户，请先绑定，谢谢！" } }
    request.reply.news(news) do |article, n, index| # article is return object
      url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=#{Wechat.config.appid}&redirect_uri=#{login_wechat_url}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect"
      article.item title: "#{n[:title]}",
                   description: n[:content],
                   pic_url: 'https://www.trustie.net/images/weixin_pic.jpg',
                   url: url
    end
  end




  ###  controller method


  module Controllers
    def get_open_id
      begin

        code = params[:code] || session[:wechat_code]
        openid = get_openid_from_code(code)


        raise "无法获取到微信openid" unless openid
        render :json => {status:0, openid: openid}
      rescue Exception=>e
        render :json => {status: -1, msg: e.message}
      end
    end

    def bind
      begin

        code = params[:code] || session[:wechat_code]
        openid = get_openid_from_code(code)

        raise "无法获取到openid" unless openid
        raise "此微信号已绑定用户, 不能重复绑定" if user_binded?(openid)

        user, last_login_on = User.try_to_login(params[:username], params[:password])
        raise "用户名或密码错误,请重新登录" unless user
        #补全用户信息

        raise "此用户已经绑定过公众号, 请换一个帐户试试" if user.user_wechat

        UserWechat.create!(
            openid: openid,
            user: user
        )
        render :json => {status:0, msg: "绑定成功"}
      rescue Exception=>e
        render :json => {status: -1, msg: e.message}
      end
    end

    def login
      session[:wechat_code] = params[:code] if params[:code]
      render 'wechats/login', layout: 'base_wechat'
    end

    private
    def get_openid_from_code(code)
      openid = session[:wechat_openid]

      unless openid
        if code
          openid = wechat.web_access_token(code)["openid"]
        end
      end

      if openid
        session[:wechat_openid] = openid
      end

      return openid
    end

    def user_binded?(openid)
      uw = UserWechat.where(openid: openid).first
    end

    def user_activity(user)
      @user = user
      shield_project_ids = ShieldActivity.where("container_type='User' and container_id=#{@user.id} and shield_type='Project'").map(&:shield_id)
      shield_course_ids = ShieldActivity.where("container_type='User' and container_id=#{@user.id} and shield_type='Course'").map(&:shield_id)
      @page = params[:page] ? params[:page].to_i + 1 : 0
      user_project_ids = (@user.projects.visible.map{|project| project.id}-shield_project_ids).empty? ? "(-1)" : "(" + (@user.projects.visible.map{|project| project.id}-shield_project_ids).join(",") + ")"
      user_course_ids = (@user.courses.visible.map{|course| course.id}-shield_course_ids).empty? ? "(-1)" : "(" + (@user.courses.visible.map{|course| course.id}-shield_course_ids).join(",") + ")"
      course_types = "('Message','News','HomeworkCommon','Poll','Course')"
      project_types = "('Message','Issue','Project')"
      principal_types = "JournalsForMessage"

      blog_ids = "("+@user.blog.id.to_s+","+((User.watched_by(@user.id).count == 0 )? '0' :User.watched_by(@user.id).map{|u| u.blog.id}.join(','))+")"
      @user_activities = UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types})" +
                                                "or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types}) "+
                                                "or (container_type = 'Principal' and act_type= '#{principal_types}' and container_id = #{@user.id}) " +
                                                "or (container_type = 'Blog' and act_type= 'BlogComment' and container_id in #{blog_ids})").order('updated_at desc').limit(10).offset(@page * 10)


    end

    def process_activity(user_activity)
      act= user_activity.act
      case user_activity.container_type.to_s
        when 'Course'
        when 'Project'
          case user_activity.act_type.to_s
            when 'Issue'
              [act.project.name.to_s+" | 项目问题", act.subject.to_s, url_to_avatar(act.author),"http://wechat.trustie.net/app.html#/issue/#{act.id}"]
          end
      end
    end
  end


  include Controllers

end