# 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.

module WatchersHelper

  def watcher_tag(object, user, options={})
    ActiveSupport::Deprecation.warn "#watcher_tag is deprecated and will be removed in Redmine 3.0. Use #watcher_link instead."
    watcher_link(object, user)
  end

  ###################modified by liuping, nyan
  def watcher_link(objects, user, options=[])
    return '' unless user && user.logged?
    objects = Array.wrap(objects)

    watched = objects.any? {|object| object.watched_by?(user)}
    @watch_flag = (objects.first.instance_of?(User) or objects.first.instance_of?(Project) or objects.first.instance_of?(Contest) or (objects.first.instance_of?(Bid)))
    css =  @watch_flag ? ([watcher_css(objects), watched ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
                                       ([watcher_css(objects), watched ? 'icon icon-fav ' : 'icon icon-fav-off '].join(' ') << options[0].to_s)

    text = @watch_flag ?  
                    (watched ? l(:button_unfollow) : l(:button_follow)) : (watched ? l(:button_unwatch) : l(:button_watch))

    url = watch_path(
      :object_type => objects.first.class.to_s.underscore,
      :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort)
    )
    method = watched ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method, :class => css
  end

  def watcher_link_issue(objects, user, options=[])
    return '' unless user && user.logged?
    objects = Array.wrap(objects)

    watched = objects.any? {|object| object.watched_by?(user)}
    @watch_flag = (objects.first.instance_of?(User) or objects.first.instance_of?(Project) or objects.first.instance_of?(Contest) or (objects.first.instance_of?(Bid)))
    css =  @watch_flag ? ([watcher_css(objects), watched ? 'talk_edit ' : 'talk_edit '].join(' ') << options[0].to_s) :
        ([watcher_css(objects), watched ? 'talk_edit fr ' : 'talk_edit fr '].join(' ') << options[0].to_s)

    text = @watch_flag ?
        (watched ? l(:button_unfollow) : l(:button_follow)) : (watched ? l(:button_unwatch) : l(:button_watch))

    url = watch_path(
        :object_type => objects.first.class.to_s.underscore,
        :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort)
    )
    method = watched ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method, :class => css
  end

  def watcher_link_with_id(objects, user, options=[])
    return '' unless user && user.logged?
    objects = Array.wrap(objects)

    watched = objects.any? {|object| object.watched_by?(user)}
    @watch_flag = (objects.first.instance_of?(User) or objects.first.instance_of?(Project) or objects.first.instance_of?(Contest) or (objects.first.instance_of?(Bid)))
    css =  options[:class]

    text = @watch_flag ?
        (watched ? l(:button_unfollow) : l(:button_follow)) : (watched ? l(:button_unwatch) : l(:button_watch))

    url = watch_path(
        :object_type => objects.first.class.to_s.underscore,
        :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort)
    )
    method = watched ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method, :class => css,:id=>options[:id]
  end
  
  ############## added by linchun  
    def new_watcher_link(objects, user, options=[])
    return '' unless user && user.logged?
    objects = Array.wrap(objects)

    watched = objects.any? {|object| object.watched_by?(user)}
    @watch_flag = (objects.first.instance_of?(User) or objects.first.instance_of?(Project) or (objects.first.instance_of?(Contest))) 
    css =  @watch_flag ? ([watcher_css(objects), watched ? 'icon ' : 'icon '].join(' ') << options[0].to_s) : 
                                       ([watcher_css(objects), watched ? 'icon icon-fav ' : 'icon icon-fav-off '].join(' ') << options[0].to_s)

    text = @watch_flag ?  
                    (watched ? l(:button_unfollow) : l(:button_follow)) : (watched ? l(:button_unwatch) : l(:button_watch))

    url = watch_path(
      :object_type => objects.first.class.to_s.underscore,
      :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort)
    )
    method = watched ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method, :class => css, :onclick => "location.reload()"
  end

  # add by nwb
  # 关注课程
  def new_course_watcher_link(objects, user, options=[])
    return '' unless user && user.logged?
    objects = Array.wrap(objects)

    watched = objects.any? {|object| object.watched_by?(user)}
    @watch_flag = (objects.first.instance_of?(User) or objects.first.instance_of?(Project) or (objects.first.instance_of?(Contest)))
    css =  @watch_flag ? ([watcher_css(objects), watched ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
        ([watcher_css(objects), watched ? 'icon icon-fav ' : 'icon icon-fav-off '].join(' ') << options[0].to_s)

    text = @watch_flag ?
        (watched ? l(:button_unfollow) : l(:button_follow)) : (watched ? l(:button_unwatch) : l(:button_watch))

    url = watch_path(
        :object_type => objects.first.class.to_s.underscore,
        :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort)
    )
    method = watched ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method, :class => css
  end

  # added by fq, modify nyan
  # Somebody may use option params
  def join_in_course(course, user, options=[])
    return '' unless user && user.logged?
    # modify by nwb
    # 主讲教师不允许退出课程
    return '' if user.id == course.tea_id
    joined = course.members.map{|m| m.user}.include? user
    text = joined ? l(:label_exit_course) : l(:label_new_join)
    url = joined ? join_path(:object_id => course.id) : try_join_path(:object_id => course.id)
    method = joined ? 'delete' : 'post'
    if joined
      link_to text, url, :remote => true, :method => method, :id => "#{course.id}", :confirm => l(:text_are_you_sure_out), :class => []+options
    else
      link_to text, url, :remote => true, :method => method, :id => "#{course.id}", :class => []+options
    end       
  end
  def join_in_course_group(course, group, user, options=[])
    return '' unless user && user.logged? && user.member_of_course?(course)
    joined = user.member_of_course_group?(group)

    unless joined
      text = l(:label_join_group)
      form_tag({:controller => "courses", :action => "join_group", :object_id => "#{group.id}"},:id => 'join_coursegroup_form', :method => 'post') do
        link_to text, 'javascript:void(0)', :class => 'sy_btn_green fl mr10', :onclick => "$('#join_coursegroup_form').submit();"
      end
    end
  end

  # 用户是否允许加入课程判断
  # add by nwb
  def join_in_course_for_list(course, user, options=[])
    return '' unless user && user.logged?
    # modify by nwb
    # 主讲教师不允许退出课程
    return '' if user.id == course.tea_id
    joined = user.member_of_course?(course)
    text = joined ? l(:label_exit_course) : l(:label_join_course)
    url_t = join_path(:object_id => course.id)
    url_f = try_join_path(:object_id => course.id)
    method = joined ? 'delete' : 'post'
    if joined
      link_to text, url_t, :remote => true, :method => method, :id => "#{course.id}", :confirm => l(:text_are_you_sure_out), :class => []+options
    else

       link_to text, url_f, :remote => true, :method => method, :id => "#{course.id}", :class => []+options
    end       
  end

  #added by bai
  def join_in_contest(bid, user, options=[])
    if bid.reward_type == 2
      return '' unless user && user.logged?
      joined = user.join_in_contest?(bid)
      text = joined ? l(:label_exit_contest) : l(:label_join_contest)
      url_t = join_in_contest_path(:id => bid.id)
      url_f = try_join_in_contest_path(:id => bid.id)
      # url = join_in_contest_path(:id => bid.id)
      method = joined ? 'delete' : 'post'
      if joined
        link_to text, url_t, :remote => true, :method => method, :id => "#{bid.id}", :confirm => l(:text_are_you_sure_out), :class => []+options
      else
        link_to text, url_f, :remote => true, :method => method, :id => "#{bid.id}", :class => []+options
      end
    end      
  end
  ##new add by linchun
  def join_in_contest(contest, user, options=[])
      return '' unless user && user.logged?
      joined = user.join_in_contest?(contest)
      text = joined ? l(:label_exit_contest) : l(:label_join_contest)
      url_t = join_in_contest_path(:id => contest.id)
      url_f = try_join_in_contest_path(:id => contest.id)
      # url = join_in_contest_path(:id => contest.id)
      method = joined ? 'delete' : 'post'
      if joined
        link_to text, url_t, :remote => true, :method => method, :id => "#{contest.id}", :confirm => l(:text_are_you_sure_out), :class => []+options
      else
        link_to text, url_f, :remote => true, :method => method, :id => "#{contest.id}", :class => []+options
      end    
  end
  
  # liuwanwei 的需求， 新竞赛
  # 新路由命名为 competition
  def join_in_competition(competition, user)
      return '' unless user && user.logged?
      joined = JoinInCompetition.where('competition_id = ? AND user_id = ?', competition.id, user.id).count>0
      text = joined ? l(:label_exit_contest) : l(:label_join_contest)
      url_f = new_join_contests_path(:id => competition.id) 
      url_t = unjoin_in_contest_contests_path(:id => competition.id) 
      method = joined ? 'delete' : 'post'
      if joined
        # 退出竞赛用
        link_to text, url_t, :remote => true, :method => method, :id => "#{competition.id}", :confirm => l(:text_are_you_sure_out)
      else
        # 加入竞赛用
        link_to text, url_f, :remote => true, :method => method, :id => "#{competition.id}"
      end    
  end
  
  # Returns the css class used to identify watch links for a given +object+
  def watcher_css(objects)
    objects = Array.wrap(objects)
    id = (objects.size == 1 ? objects.first.id : 'bulk')
    "#{objects.first.class.to_s.underscore}-#{id}-watcher"
  end

  # Returns a comma separated list of users watching the given object
  def watchers_list(object)
    remove_allowed = User.current.allowed_to?("delete_#{object.class.name.underscore}_watchers".to_sym, object.project)
    content = ''.html_safe
    lis = object.watcher_users.collect do |user|
      s = ''.html_safe
      s << avatar(user, :size => "16").to_s
      s << link_to_user(user, :class => 'user')
      if remove_allowed
        url = {:controller => 'watchers',
               :action => 'destroy',
               :object_type => object.class.to_s.underscore,
               :object_id => object.id,
               :user_id => user}
        s << ' '
        s << link_to(image_tag('delete.png'), url,
                     :remote => true, :method => 'delete', :class => "delete")
      end
      content << content_tag('li', s, :class => "user-#{user.id}")
    end
    content.present? ? content_tag('ul', content, :class => 'watchers') : content
  end







# 缺陷跟踪者列表复选框生成
  def watchers_checkboxes(object, users, checked=nil)
    if users.nil?

    else
      # tag = check_box_tag 'issue[watcher_user_ids][]', user.id, c, :id => nil
      # content_tag 'label', "#{tag} #{h(user)}".html_safe,
      #             :id => "issue_watcher_user_ids_#{user.id}",
      #             :class => "floating"
      users.map do |user|
        c = checked.nil? ? object.watched_by?(user) : checked
        s = content_tag(:ul,
                        content_tag(:li, "#{check_box_tag 'issue[watcher_user_ids][]', user.id, c, :id => nil } #{h link_to user.userInfo, user_path( user.id)}".html_safe,
                        :id=>"issue_watcher_user_ids_#{user.id}",:style=>"float: left;width: 175px;margin: 0px 20px 10px 0px; overflow: hidden; line-height:1.6em;" ),
                        :class => "mb10 ml80")
      end.join.html_safe

      # scope = users.sort
      # watchers = paginateHelper scope,10
      # s = content_tag('ul', issue_watcher_check_box_tags_ex('issue[watcher_user_ids][]', watchers), :class => 'mb10 ml80')
      # links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false, :remote => false, :flag => true){|text, parameters, options|
      #   link_to text, watchers_autocomplete_for_user_path(@users, parameters.merge(:q => params[:q],:format => 'js',:flag => 'ture')), :remote => true
      # }
      # s + content_tag('ul', links,:class => 'wlist', :style =>"float:left;margin-top:0px;")
    end
  end

  def applied_css(project)
    id = project.id
    "#{project.class.to_s.underscore}-#{id}-applied"
  end

  def applied_link(project, user, options=[])
    return '' unless user && user.logged?
    applied = project.applied_projects.find_by_user_id(user.id)
    text = applied ? l(:label_unapply_project) : l(:label_apply_project)

    @applied_flag = project.instance_of?(Project)
    css =  @applied_flag ? ([applied_css(project), applied ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
        ([applied_css(project), applied ? 'icon icon-applied ' : 'icon icon-applied-off '].join(' ') << options[0].to_s)
    if applied
      appliedid =  applied.id
    end
          url = appliedproject_path(
        :id=>appliedid,
        :user_id => user.id,
        :project_id => project.id
    )
    method = applied ? 'delete' : 'post'

    link_to text, url,  :remote => true, :method => method , :class => css
  end

    def exit_project_link(project)
      link_to(l(:label_exit_project),exit_cur_project_path(project.id),
                :remote => true, :confirm => l(:lable_sure_exit_project), 
                :class => "sy_btn_grey mr5" )
    end
    
    #项目关注、取消关注
    #REDO:项目样式确定后方法需要对CSS变量进行改进
    def watcher_link_for_project(objects, user, options=[])
      return '' unless user && user.logged?
      objects = Array.wrap(objects)
      watched = objects.any? {|object| object.watched_by?(user)}
      @watch_flag = objects.first.instance_of?(Project)
      id = watcher_css(objects)
      text = @watch_flag ?
                    (watched ? l(:button_unfollow) : l(:label_button_following)) : (watched ? l(:button_unwatch) : l(:label_button_following))
      url = watch_path(:object_type => objects.first.class.to_s.underscore,
                       :object_id => (objects.size == 1 ? objects.first.id : objects.map(&:id).sort))
      method = watched ? 'delete' : 'post'
      link_to text, url, :remote => true, :method => method,
                         :class => "sy_btn_pink mr5" ,:id=>id
    end
    
    # 申请加入项目
    def join_in_project_link(project, user, options=[])
      applied = project.applied_projects.find_by_user_id(user.id)
      text = applied ? l(:label_unapply_project) : l(:label_apply_project)
      url = applied_join_project_path(:object_id => project.id)
      method = 'post'
      @applied_flag = project.instance_of?(Project)
      if applied
        link = "<a class ='sy_btn_pink mr5'>#{text}</a>"
      else
        link = link_to(text, url, :remote => true, :method => method, :id => "#{project.id}", :class => "sy_btn_pink mr5")
      end
      link.html_safe
      # if applied
      #   appliedid =  applied.id
      # end
      # id = applied_css(project)
      # url = appliedproject_path(
      #   :id=>appliedid,
      #   :user_id => user.id,
      #   :project_id => project.id)
      # method = applied ? 'delete' : 'post'
      # link_to text, url,  :remote => true, :method => method , :class => "pr_join_a",:id => id
    end

  def paginateHelper obj, pre_size=20
    @obj_count = obj.count
    @obj_pages = Redmine::Pagination::Paginator.new @obj_count, pre_size, params['page']
    if obj.kind_of? ActiveRecord::Base or obj.kind_of?  ActiveRecord::Relation
      obj.limit(@obj_pages.per_page).offset(@obj_pages.offset)
    elsif obj.kind_of? Array
      obj[@obj_pages.offset, @obj_pages.per_page]
    else
      logger.error "[ApplicationController] Error : application_controller#paginateHelper ===> unknow category: #{obj.class}"
      raise RuntimeError, 'unknow type, Please input you type into this helper.'
    end
  end


  end