# 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
include StudentWorkHelper
include ApiHelper
module ProjectsHelper

  # 时间转换
  def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false, options = {})
    options = {
        :scope => :'datetime.distance_in_words',
    }.merge!(options)

    from_time = from_time.to_time if from_time.respond_to?(:to_time)
    to_time = to_time.to_time if to_time.respond_to?(:to_time)
    distance = (to_time.to_f - from_time.to_f).abs
    distance_in_minutes = (distance / 60.0).round
    distance_in_seconds = distance.round

    I18n.with_options :locale => options[:locale], :scope => options[:scope] do |locale|
      case distance_in_minutes
        when 0..1
          return distance_in_minutes == 0 ?
              locale.t(:less_than_x_minutes, :count => 1) :
              locale.t(:x_minutes, :count => distance_in_minutes) unless include_seconds

          case distance_in_seconds
            when 0..4   then locale.t :less_than_x_seconds, :count => 5
            when 5..9   then locale.t :less_than_x_seconds, :count => 10
            when 10..19 then locale.t :less_than_x_seconds, :count => 20
            when 20..39 then locale.t :half_a_minute
            when 40..59 then locale.t :less_than_x_minutes, :count => 1
            else             locale.t :x_minutes,           :count => 1
          end

        when 2..44           then locale.t :x_minutes,      :count => distance_in_minutes
        when 45..89          then locale.t :about_x_hours,  :count => 1
        when 90..1439        then locale.t :about_x_hours,  :count => (distance_in_minutes.to_f / 60.0).round
        when 1440..2519      then locale.t :x_days,         :count => 1
        when 2520..43199     then locale.t :x_days,         :count => (distance_in_minutes.to_f / 1440.0).round
        when 43200..86399    then locale.t :about_x_months, :count => 1
        when 86400..525599   then locale.t :x_months,       :count => (distance_in_minutes.to_f / 43200.0).round
        else
          fyear = from_time.year
          fyear += 1 if from_time.month >= 3
          tyear = to_time.year
          tyear -= 1 if to_time.month < 3
          leap_years = (fyear > tyear) ? 0 : (fyear..tyear).count{|x| Date.leap?(x)}
          minute_offset_for_leap_year = leap_years * 1440
          # Discount the leap year days when calculating year distance.
          # e.g. if there are 20 leap year days between 2 dates having the same day
          # and month then the based on 365 days calculation
          # the distance in years will come out to over 80 years when in written
          # english it would read better as about 80 years.
          minutes_with_offset         = distance_in_minutes - minute_offset_for_leap_year
          remainder                   = (minutes_with_offset % 525600)
          distance_in_years           = (minutes_with_offset.div 525600)
          if remainder < 131400
            locale.t(:about_x_years,  :count => distance_in_years)
          elsif remainder < 394200
            locale.t(:over_x_years,   :count => distance_in_years)
          else
            locale.t(:almost_x_years, :count => distance_in_years + 1)
          end
      end
    end
  end

  def link_to_version(version, options = {})
    return '' unless version && version.is_a?(Version)
    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, :class => "color-grey3"
  end

  def link_to_version_show(version, options = {})
    return '' unless version && version.is_a?(Version)
    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, :class => " f16 fb c_dblue "
  end

  def project_settings_tabs
    tabs = [{:name => 'info', :action => :edit_project, :partial => 'projects/edit', :label => :label_information_plural},
            {:name => 'modules', :action => :select_project_modules, :partial => 'projects/settings/modules', :label => :label_module_plural},
            {:name => 'members', :action => :manage_members, :partial => 'projects/settings/members', :label => :label_member_plural},
            {:name => 'versions', :action => :manage_versions, :partial => 'projects/settings/versions', :label => :label_version_plural},
            # {:name => 'categories', :action => :manage_categories, :partial => 'projects/settings/issue_categories', :label => :label_issue_category_plural},
            # {:name => 'wiki', :action => :manage_wiki, :partial => 'projects/settings/wiki', :label => :label_wiki},
            {:name => 'repositories', :action => :manage_repository, :partial => 'projects/settings/repositories', :label => :label_repository_plural},
            #{:name => 'boards', :action => :manage_boards, :partial => 'projects/settings/boards', :label => :label_board_plural},
            {:name => 'activities', :action => :manage_project_activities, :partial => 'projects/settings/activities', :label => :enumeration_activities}
            ]
    tabs.select {|tab| User.current.allowed_to?(tab[:action], @project)}
  end
  
  def sort_project(state, project_type)
    content = ''.html_safe
    case state
    when 0

      content << content_tag('li', link_to(l(:label_sort_by_active), projects_path(:project_sort_type => '1', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_influence), projects_path(:project_sort_type => '2', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_time), projects_path(:project_sort_type => '0', :project_type => project_type), :class=>"selected"), :class=>"selected")
    when 1

      content << content_tag('li', link_to(l(:label_sort_by_active), projects_path(:project_sort_type => '1', :project_type => project_type), :class=>"selected"), :class=>"selected")
      content << content_tag('li', link_to(l(:label_sort_by_influence), projects_path(:project_sort_type => '2', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_time), projects_path(:project_sort_type => '0', :project_type => project_type)))
    when 2
      content << content_tag('li', link_to(l(:label_sort_by_active), projects_path(:project_sort_type => '1', :project_type => project_type)))
      content << content_tag('li', link_to(l(:label_sort_by_influence), projects_path(:project_sort_type => '2', :project_type => project_type), :class=>"selected"), :class=>"selected")
      content << content_tag('li', link_to(l(:label_sort_by_time), projects_path(:project_sort_type => '0', :project_type => project_type)))
    end
    content = content_tag('ul', content)    
    content_tag('div', content, :class => "tabs")   
  end

  # 判断我的项目中是否有重名项目
  def judge_same_projectname(user, project_name)
    result = false
    my_projects = user.projects
    my_projects.each do |mp|
      result = true if mp.name == project_name
    end
    return result
  end

  # 项目类型
  def project_type_select
    type = []
    option1 = []
    option1 << l(:label_development_team)
    option1 << l(:label_development_team)
    option2 = []
    option2 << l(:label_research_group)
    option2 << l(:label_research_group)
    option3 = []
    option3 << l(:label_friend_organization)
    option3 << l(:label_friend_organization)
    type << option1
    type << option2
    type << option3
    type
  end

  # 项目类型描述
  def project_newtype_descrption
    case params
      when 1
        value = l(:label_type_des_development)
      when 2
        value = l(:label_type_des_research)
      when 3
        value = l(:label_type_des_friend)
    end
  end

# 被邀请成员的状态
  def status_for_ivitied(ivite_list, project)
    if ivite_list.user.member_of?(project)
      value = "已经加入了项目！"
    elsif ivite_list.user.active?
      value = "邀请已发送，等待用户加入！"
    else
      value = "邀请已发送，等待用户激活账号！"
    end
  end

  # 获取新增gitlab版本库
  def rep_gitlab(project)
    rep = Repository.where("project_id =? and type =?", project, "Repository::Gitlab")
  end

  # 获取新项目的版本库地址
  def rep_gitlab_url(project)
    gitlab_address = Redmine::Configuration['gitlab_address']
    url = gitlab_address.to_s+"/"+project.owner.to_s+"/"+ rep_gitlab(project).first.identifier+"."+"git"
  end

  #  # 获取Forge历史版本库
  def rep_forge(project)
    rep = Repository.where("project_id =? and type =?", project, "Repository::Git")
  end

  # Added by young
  def course_settings_tabs
    tabs = [{:name => 'info', :action => :edit_project, :partial => 'projects/edit', :label => :label_information_plural, :course=>'1'},
            #{:name => 'boards', :action => :manage_boards, :partial => 'projects/settings/boards', :label => :label_board_plural, :project_type => 1},
            # {:name => 'repositories', :action => :manage_repository, :partial => 'projects/settings/repositories', :label => :label_repository_plural},
            {:name => 'members', :action => :manage_members, :partial => 'projects/settings/members', :label => :label_member_plural}
            ]
    tabs.select {|tab| User.current.allowed_to?(tab[:action], @project)}
  end
  # Ended by young

  def parent_project_select_tag(project)
    selected = project.parent
    # retrieve the requested parent project
    parent_id = (params[:project] && params[:project][:parent_id]) || params[:parent_id]
    if parent_id
      selected = (parent_id.blank? ? nil : Project.find(parent_id))
    end

    options = ''
    options << "<option value=''></option>" if project.allowed_parents.include?(nil)
    options << project_tree_options_for_select(project.allowed_parents.compact, :selected => selected)
    content_tag('select', options.html_safe, :name => 'project[parent_id]', :id => 'project_parent_id')
  end

  # Renders the projects index
  def render_project_hierarchy(projects)
    render_project_nested_lists(projects) do |project|
      #Modified by young
        if project.try(:project_type) == Project::ProjectType_course
          # modified by longjun
          # never use unless and else
          # unless project.is_public == 1
          if project.is_public != 1
            s = "<span class='private_project'>#{l(:label_private)}</span>".html_safe
          else
            s = "".html_safe
          end
          # end longjun
          # modified by Longjun
          s += link_to_project(project, {},
                               :class => "#{project.css_classes} #{User.current.member_of?(project) ? 'my-project' : nil}").html_safe
          # end longjun
        else
          # modified by longjun
          # unless project.is_public
          if !project.is_public
          # end longjun
            s = "<span class='private_project'>#{l(:label_private)}</span>".html_safe
          else
            s = "".html_safe
          end
          # modified by longjun
          s += link_to_project(project, {},
                               :class => "#{project.css_classes} #{User.current.member_of?(project) ? 'my-project' : nil}")
          # end longjun
        end
      #Ended by young
      if project.description.present?
        #Delete by nie.
        # s << content_tag('td', textilizable(project.short_description, :project => project), :class => 'wiki description')
      end
      s
    end
  end

  # Returns a set of options for a select field, grouped by project.
  def version_options_for_select(versions, selected=nil)
    project_name = versions.blank? ? "" : versions.first.project.name
    grouped = Hash.new {|h,k| h[k] = []}
    grouped[project_name] << ["请选择里程碑", 0]

=begin
    unless selected.nil?
      if (params[:action] == "show" ) && Version.find(selected.id).status == "closed"
        version_name = Version.find(selected.id).name
        grouped[project_name] << [version_name, selected.id]
      end
    end
=end

    versions.each do |version|
      grouped[version.project.name] << [version.name, version.id]
    end

    if grouped.keys.size > 1
      grouped_options_for_select(grouped, selected && selected.id)
    else
      options_for_select((grouped.values.first || []), selected && selected.id)
    end
  end

  def format_version_sharing(sharing)
    sharing = 'none' unless Version::VERSION_SHARINGS.include?(sharing)
    l("label_version_sharing_#{sharing}")
  end

  # this method is used to get all projects that tagged one tag
  # added by william
  def get_projects_by_tag(tag_name)
    Project.tagged_with(tag_name).order('updated_on desc')
  end

  #是否启动互评下拉框
  def is_evaluation_option
    type = []
    option1 = []
    option2 = []
    option1 << l(:lable_start_mutual_evaluation)
    option1 << 1
    option2 << l(:lable_close_mutual_evaluation)
    option2 << 2
    type << option1
    type << option2
  end

  # 判断用户是否为项目管理员
  def is_project_manager?(user_id, project_id)
    @result = false
    mem = Member.where("user_id = ? and project_id = ?",user_id, project_id)
    unless mem.blank?
      @result = mem.first.roles.to_s.include?("Manager") ? true : false
    end
    return @result
  end

  # 用来判断用户是否是项目的管理员
  # added by william
  def is_manager?(user_id,project_id)
    @result = false
    @user_id = ProjectInfo.find_by_project_id(project_id)

      # modified by longjun
      # if @user_id == user.id
      #   @result = true
      # end

    @result = true if @user_id = user.id
    # end longjun
    return @result
  end

  # 将动态中类型转换为可读的字符串
  def eventToLanguage event_type
    case event_type
    when "issue-note"
      l :label_issue
    when "issue"
      l :label_issue
    when "attachment"
      l :label_attachment
    when "news"
      l :label_news 
    else
      ""     
    end
  end
  
  def eventToLanguageCourse event_type, project
    case event_type
    when "issue-note"
      l :label_issue
    when "issue"
      l :label_issue
    when "attachment"
      l :label_attachment
    when "news"
      project.project_type == 1 ? (l :label_notification) : (l :label_news)
    else
      ""     
    end
  end

  def rolesToLanguage rolesArray
    rolesArray = ([] << rolesArray) unless rolesArray.is_a?(Array)
    rolesArray.map{ |roleName|
      case roleName.to_sym
      when :Manager
        l :default_role_manager
      when :Developer
        l :default_role_developer
      when :Reporter
        l :default_role_reporter
      else
        'Unkown'
      end
    }
  end

  def sort_project_by_hot
    return sort_project_by_hot_rails
    @projects_status = ProjectStatus.visible.where("project_statuses.project_type <> ? or project_statuses.project_type is null", 1)
    @projects_status = @projects_status.reorder('grade').all.reverse
    @projects = []
    @projects_status.each do |obj| 
      break if(@projects_status[10] == obj)
      @projects << Project.visible.find_by_id("#{obj.project_id}")#where('id=:id', id: obj.project_id)
    end
    @projects
  rescue NoMethodError => e
    logger.error "Logger.Error [ProjectsHelper] ===> #sort_project_by_hot, NoMethodError: #{e}"
    []
  end

  def sort_project_by_hot_rails
    # @projects_status = ProjectStatus.visible.where("project_statuses.project_type <> ? or project_statuses.project_type is null", 1)
    # @projects_status = @projects_status.reorder('grade').all.reverse
    # Project.joins(@projects_status).limit(10)
    limit = 10
    #Project.find_by_sql("SELECT * FROM projects RIGHT OUTER JOIN (SELECT * FROM project_statuses ORDER BY  grade DESC LIMIT #{limit} ) AS t ON projects.id = t.project_id ")
    Project.find_by_sql("
      SELECT p.id, p.name, p.description, p.identifier, t.project_id 
        FROM projects AS p RIGHT OUTER JOIN (
          SELECT project_id,grade FROM project_statuses 
            WHERE project_type = 0 ORDER BY  grade DESC LIMIT #{limit} ) AS t ON p.id = t.project_id ")
  end
 

  # 判断课程是否结束,快别用，这个定日子的方法有问题
  def course_timeout? project
    return true if (project.nil? && project.course_extra.nil?)
    courses_year = project.course_extra.time
    current_year = Time.now.year
    if courses_year >= current_year
      return false
    elsif (courses_year < current_year) && (Time.now.month < 3)
      return false
    else
      return true
    end
  end

  def find_project_repository project
    unless project.repositories.nil?
      project.repositories.each do |repository|
        repository.fetch_changesets if Setting.autofetch_changesets?
      end
    end
  end

  # Time 2015-01-29 11:39:02
  # Author lizanle
  # Description 计算projects
  def get_project_activity projects,activities
    @project_ids=activities.keys()

    days = Setting.activity_days_default.to_i
    date_to ||= Date.today + 1
    date_from = date_to - days-1.years

    #issue_count
    Issue.where(project_id: @project_ids).where("updated_on>?",date_from).each do |issue|
#      activities[issue.project_id.to_s]+=1
      activities[issue.project_id]+=issue.journals.where("created_on>?",date_from).count
    end

    #repository_count
    Repository.where(project_id: @project_ids).each do |repository|
#      activities[repository.project_id.to_s]+=1
      activities[repository.project_id]+=repository.changesets.where("committed_on>?",date_from).count
    end


    #news_count
    News.where(project_id: @project_ids).where("created_on>?",date_from).each do |news|
      activities[news.project_id]+=1
    end

    #document_count
    Document.where(project_id: @project_ids).where("created_on>?",date_from).each do |document|
      activities[document.project_id]+=1
    end

    #file_count
    Attachment.where(container_id: @project_ids, container_type: Project).where("created_on>?",date_from).each do |attachment|
      activities[attachment.container_id]+=1
    end

    #message_count
    Board.where(project_id: @project_ids).each do |board|
#      activities[board.project_id]+=1
      activities[board.project_id]+=board.messages.where("updated_on>?",date_from).count
    end

    #time_entry_count
    TimeEntry.where(project_id: @project_ids).where("updated_on>?",date_from).each do |timeentry|
      activities[timeentry.project_id]+=1
    end

    #feedbackc_count
    JournalsForMessage.where(jour_id: @project_ids, jour_type: Project).each do |jourformess|
      activities[jourformess.jour_id]+=1
    end

    #activities!=0
    i=0;
    projects.each do |project|
      id=project.id
      if activities[id]==0
        activities[id]=1
      end
    end

    return activities
  end

  def handle_project projects,activities
    project_activity_count_array=activities.values()

    project_array=[]
    i=0;
    projects.each do |project|
      project_array[i]=project
      i=i+1
    end

    projects=desc_sort_course_by_avtivity(project_activity_count_array,project_array)

    return projects
  end

  def project_organizations_id_option
    type = []
    option1 = []
    option1 << l(:label_organization_choose)
    option1 << 0
    type << option1
    Organization.all.each do |org|
      option = []
      option << org.name
      option << org.id
      type << option
    end
    type
  end

  #显示项目配置菜单
  def show_project_memu user
    if user.allowed_to?(:edit_project, @project)
      result = "edit_project"
    elsif user.allowed_to?(:select_project_modules, @project)
      result = "select_project_modules"
    elsif user.allowed_to?(:manage_members, @project)
      result = "manage_members"
    elsif user.allowed_to?(:manage_versions, @project)
      result = "manage_versions"
    elsif user.allowed_to?(:manage_repository, @project)
      result = "manage_repository"
    elsif @project.is_training_project?
      result = "training_task"
    end
    result
  end
end