# 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.

class AdminController < ApplicationController
  layout 'admin'
  menu_item :projects, :only => :projects
  menu_item :plugins, :only => :plugins
  menu_item :info, :only => :info

  before_filter :require_admin
  helper :sort
  helper :Users
  include SortHelper

  def index
    @no_configuration_data = Redmine::DefaultData::Loader::no_data?
  end

  def projects
    @status = params[:status] || 1

    scope = Project.status(@status).order('lft')
    scope = scope.like(params[:name]) if params[:name].present?
    @projects = scope.all

    render :action => "projects", :layout => false if request.xhr?
  end

  def users
    @project_type = params[:project_type]
    role = params[:role]

    sort_init 'login', 'asc'
    sort_update %w(login firstname lastname mail admin created_on last_login_on)

    case params[:format]
      when 'xml', 'json'
        @offset, @limit = api_offset_and_limit({:limit => 15})
      else
        @limit = 15#per_page_option
    end

    @status = params[:status] || 1
    has = {
        "show_changesets" => true
    }
    # @count = Redmine::Activity::Fetcher.new(User.current, :author => @user).scope_select {|t| !has["show_#{t}"].nil?}.events(nil, nil).count

    scope = UserStatus.visible
    case role
      when 'teacher'
        scope = UserStatus.teacher
      when 'student'
        scope = UserStatus.student
      else

    end

    scope = scope.in_group(params[:group_id]) if params[:group_id].present?
    # scope.each do |user|
    # UserStatus.create(:changesets_count => user.changesets.count, :watchers_count => user.watcher_users.count, :user_id => user.id)
    # end
    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']
    #@offset ||= @user_pages.offset
    #@users =  scope.order(sort_clause).limit(@limit).offset(@offset).all
    @user_base_tag = params[:id] ? 'base_users':'base'
    if params[:user_sort_type].present?
      case params[:user_sort_type]
        when '0'
          @offset ||= @user_pages.reverse_offset
          unless @offset == 0
            @users_statuses = scope.offset(@offset).limit(@limit).all.reverse
          else
            limit = @user_count % @limit
            if limit == 0
              limit = @limit
            end
            @users_statuses = scope.offset(@offset).limit(limit).all.reverse
          end
          @s_type = 0
        # @projects = @projects.sort {|x,y| y.created_on <=> x.created_on }
        # @projects = @projects[@offset, @limit]
        when '1'
          @offset ||= @user_pages.reverse_offset
          unless @offset == 0
            @users_statuses = scope.reorder('grade').offset(@offset).limit(@limit).all.reverse
          else
            limit = @user_count % @limit
            if limit == 0
              limit = @limit
            end
            @users_statuses = scope.reorder('grade').offset(@offset).limit(limit).all.reverse
          end
          @s_type = 1
        #sort {|x,y| y.user_status.changesets_count <=> x.user_status.changesets_count}
        #@users = @users[@offset, @limit]
        when '2'
          @offset ||= @user_pages.reverse_offset
          unless @offset == 0
            @users_statuses = scope.reorder('watchers_count').offset(@offset).limit(@limit).all.reverse
          else
            limit = @user_count % @limit
            if limit == 0
              limit = @limit
            end
            @users_statuses = scope.reorder('watchers_count').offset(@offset).limit(limit).all.reverse
          end
          @s_type = 2
        #@users = @users[@offset, @limit]
      end

    else
      @offset ||= @user_pages.reverse_offset
      unless @offset == 0
        @users_statuses = scope.reorder('grade').offset(@offset).limit(@limit).all.reverse
      else
        limit = @user_count % @limit
        if limit == 0
          limit = @limit
        end
        @users_statuses = scope.reorder('grade').offset(@offset).limit(limit).all.reverse
      end
      @s_type = 1
      # @projects = @projects.sort {|x,y| y.created_on <=> x.created_on }
      # @projects = @projects[@offset, @limit]
    end

    @users = []
    @users_statuses.each do |obj|
      @users << User.find_by_id("#{obj.user_id}")
    end


    respond_to do |format|
      format.html {
        @groups = Group.all.sort
      }
      format.api
    end
  end

  def plugins
    @plugins = Redmine::Plugin.all
  end

  # Loads the default configuration
  # (roles, trackers, statuses, workflow, enumerations)
  def default_configuration
    if request.post?
      begin
        Redmine::DefaultData::Loader::load(params[:lang])
        flash[:notice] = l(:notice_default_data_loaded)
      rescue Exception => e
        flash[:error] = l(:error_can_t_load_default_data, e.message)
      end
    end
    redirect_to admin_path
  end

  def test_email
    raise_delivery_errors = ActionMailer::Base.raise_delivery_errors
    # Force ActionMailer to raise delivery errors so we can catch it
    ActionMailer::Base.raise_delivery_errors = true
    begin
      @test = Mailer.test_email(User.current).deliver
      flash[:notice] = l(:notice_email_sent, User.current.mail)
    rescue Exception => e
      flash[:error] = l(:notice_email_error, e.message)
    end
    ActionMailer::Base.raise_delivery_errors = raise_delivery_errors
    redirect_to settings_path(:tab => 'notifications')
  end

  def info
    @db_adapter_name = ActiveRecord::Base.connection.adapter_name
    @checklist = [
      [:text_default_administrator_account_changed, User.default_admin_account_changed?],
      [:text_file_repository_writable, File.writable?(Attachment.storage_path)],
      [:text_plugin_assets_writable,   File.writable?(Redmine::Plugin.public_directory)],
      [:text_rmagick_available,        Object.const_defined?(:Magick)]
    ]
  end
  #管理功能用户列表的搜索
  def search
    sort_init 'login', 'asc'
    sort_update %w(login firstname lastname mail admin created_on last_login_on)

    case params[:format]
      when 'xml', 'json'
        @offset, @limit = api_offset_and_limit({:limit => 15})
      else
        @limit = 15#per_page_option
    end

    @status = params[:status] || 1
    has = {
        "show_changesets" => true
    }
    scope = User.logged.status(@status)
    scope = scope.like(params[:name]) if params[:name].present?
    @user_count = scope.count
    @user_pages = Paginator.new @user_count, @limit, params['page']
    @user_base_tag = params[:id] ? 'base_users':'base'
    @offset ||= @user_pages.reverse_offset
    unless @offset == 0
      @users = scope.offset(@offset).limit(@limit).all.reverse
    else
      limit = @user_count % @limit
      if limit == 0
        limit = @limit
      end
      @users = scope.offset(@offset).limit(limit).all.reverse
    end

    respond_to do |format|
      format.html {
        @groups = Group.all.sort
      }
      format.api
    end
  end
end