# encoding: utf-8
#
# Redmine - project management software
# Copyright (C) 2006-2013  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.



include AvatarHelper
module UsersHelper
  def users_status_options_for_select(selected)
    user_count_by_status = User.count(:group => 'status').to_hash
    options_for_select([[l(:label_all), ''],
                        ["#{l(:status_active)} (#{user_count_by_status[1].to_i})", '1'],
                        ["#{l(:status_registered)} (#{user_count_by_status[2].to_i})", '2'],
                        ["#{l(:status_locked)} (#{user_count_by_status[3].to_i})", '3']], selected.to_s)
  end

  def user_mail_notification_options(user)
    user.valid_notification_options.collect {|o| [l(o.last), o.first]}
  end

  def change_status_link(user)
    url = {:controller => 'users', :action => 'update', :id => user, :page => params[:page], :status => params[:status], :tab => nil}

    if user.locked?
      link_to l(:button_unlock), url.merge(:user => {:status => User::STATUS_ACTIVE}), :method => :put, :class => 'icon icon-unlock'
    elsif user.registered?
      link_to l(:button_activate), url.merge(:user => {:status => User::STATUS_ACTIVE}), :method => :put, :class => 'icon icon-unlock'
    elsif user != User.current
      link_to l(:button_lock), url.merge(:user => {:status => User::STATUS_LOCKED}), :method => :put, :class => 'icon icon-lock'
    end
  end

  def user_settings_tabs
    tabs = [{:name => 'general', :partial => 'users/general', :label => :label_general},
            {:name => 'memberships', :partial => 'users/memberships', :label => :label_project_plural}
            ]
    if Group.all.any?
      tabs.insert 1, {:name => 'groups', :partial => 'users/groups', :label => :label_group_plural}
    end
    tabs
  end

  # this method is used to get all projects that tagged one tag
  # added by william
  def get_users_by_tag(tag_name)
    User.tagged_with(tag_name).order('updated_on desc')
  end
  
  # added by fq
  # <div class="pagination" >
  # <ul>
  # <li><%= link_to("所有动态", {:controller => 'users', :action => 'show'}) %></li>
  # <li><%= link_to("只看自己", {:controller => 'users', :action => 'show', :type => 1}) %></li>
  # <li><%= link_to("所有反馈", {:controller => 'users', :action => 'show', :type => 2}) %></li>
  # </ul></div> 
  
  # TODO: 待删
  # def show_activity(state)
  #   content = ''.html_safe
  #   case state
  #   when 0
  #     s = content_tag('span', l(:label_user_all_activity), :class => "current-page")
  #     content << content_tag('li', s)
  #     content << content_tag('li', link_to(l(:label_user_activity_myself), {:controller => 'users', :action => 'show', :type => 1}))
  #     content << content_tag('li', link_to(l(:label_user_all_respond), {:controller => 'users', :action => 'show', :type => 2}))
  #   when 1
  #     s = content_tag('span', l(:label_user_activity_myself), :class => "current-page")
  #     content << content_tag('li', link_to(l(:label_user_all_activity), {:controller => 'users', :action => 'show'}))
  #     content << content_tag('li', s, :class => "current-page")
  #     content << content_tag('li', link_to(l(:label_user_all_respond), {:controller => 'users', :action => 'show', :type => 2}))
  #   when 2
  #     s = content_tag('span', l(:label_user_all_respond), :class => "current-page")
  #     content << content_tag('li', link_to(l(:label_user_all_activity), {:controller => 'users', :action => 'show'}))
  #     content << content_tag('li', link_to(l(:label_user_activity_myself), {:controller => 'users', :action => 'show', :type => 1}))
  #     content << content_tag('li', s, :class => "current-page")
  #   end
  #   content_tag('div', content, :class => "pagination")
  # end
  
  #TODO: 待删
  def watch_projects(state)
    content = ''.html_safe
    case state
    when 0
      s = content_tag('span', l(:label_project_take), :class => "current-page")
      content << content_tag('li', s)
      content << content_tag('li', link_to(l(:label_has_watched_project), {:controller => 'users', :action => 'watch_projects', :type => 1}))
    when 1
      s = content_tag('span', l(:label_has_watched_project), :class => "current-page")
      content << content_tag('li', link_to(l(:label_project_take), {:controller => 'users', :action => 'user_projects'}))
      content << content_tag('li', s, :class => "current-page")
    end
    content_tag('div', content, :class => "pagination")
  end

  def user_course(state)
    content = ''.html_safe
    if @user != User.current
      if  @user.user_extensions.identity == 0 
        case state
        when 0
          s = content_tag('span', '他执教的课程', :class => "current-page")
          content << content_tag('li', s)
          content << content_tag('li', link_to('他发布的作业', {:controller => 'users', :action => 'user_courses', :type => 1}))
          content_tag('div', content, :class => "pagination")
        when 1
          s = content_tag('span', '他发布的作业', :class => "current-page")
          content << content_tag('li', link_to('他执教的课程', {:controller => 'users', :action => 'user_courses'}))
          content << content_tag('li', s, :class => "current-page")    
          content_tag('div', content, :class => "pagination")
        end
      else    
        case state
        when 0
          s = content_tag('span', '他的课程', :class => "current-page")
          content << content_tag('li', s)
          content << content_tag('li', link_to('他的作业', {:controller => 'users', :action => 'user_courses', :type => 1}))
          content_tag('div', content, :class => "pagination")      
        when 1
          s = content_tag('span', '他的作业', :class => "current-page")
          content << content_tag('li', link_to('他的课程', {:controller => 'users', :action => 'user_courses', :type => 0}))
          content << content_tag('li', s, :class => "current-page")      
          content_tag('div', content, :class => "pagination")
        end
      end
    else
      if  @user.user_extensions.identity == 0 
        case state
        when 0
          s = content_tag('span', l(:label_teaching_course), :class => "current-page")
          content << content_tag('li', s)
          content << content_tag('li', link_to(l(:label_release_homework), {:controller => 'users', :action => 'user_courses', :type => 1}))
          content_tag('div', content, :class => "pagination")
        when 1
          s = content_tag('span', l(:label_release_homework), :class => "current-page")
          content << content_tag('li', link_to(l(:label_teaching_course), {:controller => 'users', :action => 'user_courses'}))
          content << content_tag('li', s, :class => "current-page")    
          content_tag('div', content, :class => "pagination")
        end
      else    
        case state
        when 0
          s = content_tag('span', l(:label_my_course), :class => "current-page")
          content << content_tag('li', s)
          content << content_tag('li', link_to('我的作业', {:controller => 'users', :action => 'user_courses', :type => 1}))
          content_tag('div', content, :class => "pagination")      
        when 1
          s = content_tag('span', '我的作业', :class => "current-page")
          content << content_tag('li', link_to(l(:label_my_course), {:controller => 'users', :action => 'user_courses', :type => 0}))
          content << content_tag('li', s, :class => "current-page")      
          content_tag('div', content, :class => "pagination")
        end
      end
    end
  end

  # added by huang 
  def sort_user(state, project_type)
    content = ''.html_safe
    case state
    when 0
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(params.merge({:user_sort_type => '1', :project_type => project_type}) )))
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(params.merge({:user_sort_type => '2', :project_type => project_type}) )))
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(params.merge({:user_sort_type => '0', :project_type => project_type}) ), :class=>"selected") )
    when 1
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(params.merge({:user_sort_type => '1', :project_type => project_type}) ), :class=>"selected") )
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(params.merge({:user_sort_type => '2', :project_type => project_type}) )))
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(params.merge({:user_sort_type => '0', :project_type => project_type}) )))
    when 2
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(params.merge({:user_sort_type => '1', :project_type => project_type}) )))
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(params.merge({:user_sort_type => '2', :project_type => project_type}) ), :class=>"selected") )
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(params.merge({:user_sort_type => '0', :project_type => project_type}) )))
    end
    content = content_tag('ul', content)
    content_tag('div', content, :class => "tabs")
  end  
  
  def sort_user_enterprise(state, project_type)
    content = ''.html_safe
    case state
    when 0
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(:user_sort_type => '1', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(:user_sort_type => '2', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(:user_sort_type => '0', :project_type => project_type), :class=>"selected"), :class=>"selected")
    when 1
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(:user_sort_type => '1', :project_type => project_type), :class=>"selected"), :class=>"selected")
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(:user_sort_type => '2', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(:user_sort_type => '0', :project_type => project_type)))
    when 2
      content << content_tag('li', link_to(l(:label_sort_by_active), users_path(:user_sort_type => '1', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_influence), users_path(:user_sort_type => '2', :project_type => project_type), :class=>"selected"), :class=>"selected")
      content << content_tag('li', link_to(l(:label_sort_by_time), users_path(:user_sort_type => '0', :project_type => project_type)))
    end
    content = content_tag('ul', content)
    content_tag('div', content, :class => "tabs_enterprise")
  end 

  def gender_avatar_uri user
    img_uri = '/images/sidebar/female.png'
    return img_uri if user.user_extensions.blank?
    person_gender = user.user_extensions.gender
    img_uri = (person_gender == 1) ? '/images/sidebar/female.png' : '/images/sidebar/male.png'
  end

  include CoursesHelper
  def is_watching?(user)
    login_user = User.current# 登录者

    courses = user.projects.where('project_type=1')
    return true if ((login_user == user) or login_user.admin?)
    courses.each do |course|
      return true if login_user.member_of?(course)
    end
    ## 下面的代码只判断是否是老师或者助教，上面是成员都可以看到
    # people_ids = []
    # user.projects.where('project_type=1').each do |project|
    #   tmp = searchTeacherAndAssistant(project)
    #   people_ids += (members_to_user_ids(tmp)) unless tmp.nil?
    # end
    # people_ids.include?(login_user.id) or (login_user == user) or login_user.admin?
    
    false
  end

  # base user上面的navbar显示内容
  def show_item_on_navbar params
    displayed_item = %w|index|
    displayed_item.include?(params['action'])
  end
  # base user上面searchBar显示
  def show_search_bar params
    displayed_flag = %w|index|
    !displayed_flag.include?(params['action'])
  end

  #获取指定用户的未过期的课程列表
  def user_courses_list user
    result = []
    user.coursememberships.map(&:course).each do |course|
      if !course_endTime_timeout?(course)
        result << course
      end
    end
    return result
  end

  #获取用户参与的公开的课程列表
  def user_public_course_list user
    membership = user.coursememberships.all#@user.coursememberships.all(:conditions => Course.visible_condition(User.current))
    membership.sort! {|older, newer| newer.created_on <=> older.created_on }
    memberships = []
    membership.collect { |e|
      memberships.push(e)
    }
                                            ## 判断课程是否过期 [需封装]
    memberships_doing = []
    memberships_done  = []
    memberships.map { |e|
      if course_endTime_timeout?(e.course)
        memberships_done.push e
      else
        memberships_doing.push e
      end
    }
  end

  #获取用户留言相关的连接
  def user_jour_feed_back_url active
    if active.act_type == "JournalsForMessage"
      jour = JournalsForMessage.find active.act_id
      if jour
        case jour.jour_type
          when "Principal"
            link_to(l(:label_goto), user_newfeedback_user_path(jour.jour_id))
          when "Project"
            link_to(l(:label_goto), project_feedback_path(jour.jour_id))
          when "Bid"
            link_to(l(:label_goto), course_for_bid_path(jour.jour_id))
          when "Course"
            link_to(l(:label_goto), course_feedback_path(jour.jour_id))
          when "Contest"
            link_to(l(:label_goto), show_contest_contest_path(jour.jour_id))
          when "Softapplication"
            link_to(l(:label_goto), softapplication_path(jour.jour_id))
          when "HomeworkAttach"
            link_to(l(:label_goto), course_for_bid_path(jour.jour_id))
        end
      end
    end
  end

  def get_watcher_users(obj)
    count = User.watched_by(obj.id).count
    if count == 0
      return [0,[]]
    end
    list = User.watched_by(obj.id).order("#{Watcher.table_name}.id desc").limit(10).all
    return [count,list];
  end

  def get_fans_users(obj)
    count = obj.watcher_users.count
    if count == 0
      return [0,[]]
    end
    list = obj.watcher_users.order("#{Watcher.table_name}.id desc").limit(10).all
    return [count,list];
  end
  def get_visitor_users(obj)
    query = Visitor.where("master_id=?",obj.id)
    count = query.count
    if count == 0
      return [0,[]]
    end
    list = query.order("updated_on desc").limit(10).all
    return [count,list]
  end

  def get_create_course_count(user)
    if user == User.current
      user.courses.count
    else
      user.courses.where("is_public = 1").count
    end
  end
  def get_join_course_count(user)
    user.coursememberships.count - get_create_course_count(user)
  end
  def get_homework_commons_count(user)
    HomeworkCommon.where("user_id = ?",user.id).count
  end
  def get_projectandcourse_attachment_count(user)
    Attachment.where("author_id = ? and container_type in ('Project','Course')",user.id).count
  end
  def get_create_project_count(user)
    Project.where("user_id = ? and project_type = ?",user.id,Project::ProjectType_project).count
  end
  def get_join_project_count(user)
    user.memberships.count(conditions: "projects.project_type = #{Project::ProjectType_project}") - get_create_project_count(user)
  end
  def get_create_issue_count(user)
    Issue.where("author_id = ?",user.id).count
  end
  def get_resolve_issue_count(user)
    Issue.where("assigned_to_id = ? and status_id=3",user.id).count
  end
  def get_anonymous_evaluation_count(user)
    StudentWorksScore.where("user_id = ? and reviewer_role=3",user.id).count
  end

  def query_activities(query)
    list = query.limit(8).all
    result = [];
    for item in list
      container = get_activity_container(item)
      result << { :item=>item,:e=>container }
    end
    return result
  end
  def get_activity_container activity
    return activity.activity_container
  end

  def get_activity_act_showname_htmlclear(activity)
    str = get_activity_act_showname(activity)
    str = str.gsub(/<.*>/,'')
    str = str.gsub(/\r/,'')
    str = str.gsub(/\n/,'')
    str = str.lstrip.rstrip
    if str == ''
      str = 'RE:'
    end
    return str.html_safe
  end
  def get_activity_act_showname(activity)
    case activity.act_type
      when "HomeworkCommon"
        return activity.act.name
      when "Issue"
        return activity.act.subject
      when "Journal"
        arr = details_to_strings(activity.act.details,true)
        arr << activity.act.notes
        str = ''
        arr.each { |item| str = str+item }
        return str
      when "JournalsForMessage"
        return activity.act.notes
      when "Message"
        return activity.act.subject
      when "News"
        return activity.act.title
      when "Poll"
        return activity.act.polls_name
      when "Contest"
        return ''
      when "Contestnotification"
        return ''
      when "Principal"
        return ''
      else
        return activity.act_type
    end
  end
  def get_activity_act_createtime(activity)
    case activity.act_type
      when "HomeworkCommon"
        return activity.act.created_at
      when "Poll"
        return activity.act.created_at
      else
        return activity.act.created_on
    end
  end
  def get_activity_container_url e
    if !e.visible?
      return "javascript:;"
    end

    if e.class.to_s == 'Course'
      return url_for(:controller => 'courses', :action=>"show", :id=>e.id, :host=>Setting.host_course)
    end
    return url_for(:controller => 'projects', :action=>"show", :id=>e.id, :host=>Setting.host_name)
  end
  def get_activity_url(activity,e)
    if !e.visible?
      return "javascript:;"
    end

    case activity.act_type
      # when "Contest"
      # when "Contestnotification"
      # when "Principal"
      when "HomeworkCommon"
        return homework_common_index_path( :course=>e.id )
      when "Issue"
        return issue_path(activity.act.id)
      when "Journal"
        return issue_path( activity.act.journalized_id )
      when "JournalsForMessage"
        return e.class.to_s == 'Course' ? course_feedback_path(e) : project_feedback_path(e)
      when "Message"
        return e.class.to_s == 'Course' ? course_boards_path(e) : project_boards_path(e)
      when "News"
        return news_path(activity.act)
      #return e.class.to_s == 'Course' ? course_news_index_path(e) : project_news_index_path(e)
      when "Poll"
        return poll_index_path( :polls_group_id=>activity.act.polls_group_id, :polls_type=>e.class.to_s )
      else
        return 'javascript:;'
    end
  end
  def get_activity_opt(activity,e)
    case activity.act_type
      when "HomeworkCommon"
        return '创建了作业'
      when "News"
        return e.class.to_s == 'Course' ? '发布了通知' : '添加了新闻'
      when "Issue"
        return '发表了问题'
      when "Journal"
        return '回复了问题'
      when "JournalsForMessage"
        return e.class.to_s == 'Course' ? '发表了留言' : '提交了反馈'
      #return ( activity.act.reply_id == nil || activity.act.reply_id == 0 ) ? '' : ''
      when "Message"
        return ( activity.act.parent_id == nil || activity.act.parent_id == '' ) ? '发布了帖子' : '回复了帖子'
      when "Poll"
        return '发布了问卷'
      else
        return '有了新动态'
    end
  end

end