# -*coding: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.

class MembersController < ApplicationController
  helper :users
  model_object Member
  before_filter :find_model_object, :except => [:index, :create, :autocomplete, :allow_to_join_project, :refused_allow_to_join_project]
  #before_filter :find_model_object_contest, :except => [:index, :create, :autocomplete]
  before_filter :find_project_from_association, :except => [:index, :create, :autocomplete, :allow_to_join_project, :refused_allow_to_join_project]
  before_filter :find_project_by_project_id, :only => [:index, :create, :autocomplete]
  before_filter :authorize
  accept_api_auth :index, :show, :create, :update, :destroy

  def index
    @offset, @limit = api_offset_and_limit
    @member_count = @project.member_principals.count
    @member_pages = Paginator.new @member_count, @limit, params['page']
    @offset ||= @member_pages.offset
    @members = @project.member_principals.all(
        :order => "#{Member.table_name}.id",
        :limit => @limit,
        :offset => @offset
    )

    respond_to do |format|
      format.html { head 406 }
      format.api
    end
  end

  def show
    respond_to do |format|
      format.html { head 406 }
      format.api
    end
  end

  # 同意消息中申请加入项目
  # 之所以role不在参数中传送是考虑到安全问题
  # status(1：申请的消息；2：已操作过该消息（包括同意或者拒绝，消息状态更新）；3：决绝消息；4:被拒人收到消息；5：拒绝者收到消息；6：同意后申请人收到消息；7：同意后批准人收到消息)
  def allow_to_join_project
    @applied_message = AppliedMessage.find(params[:applied_message_id])
    applied_project = @applied_message.applied
    user = User.find(@applied_message.applied_user_id)
    project = Project.find(applied_project.project_id) if !applied_project.nil?
    if user.member_of?(project)|| AppliedMessage.where(:applied_id => @applied_message.applied_id, :status => 1).count == 0
      @flash_message = "该申请已被其他管理员处理"
      # @applied_message.update_attribute(:status, 2)
    else
      ap_role = applied_project.try(:role)
      if ap_role
        begin
          members = []
          user_grades = []
          project_info = []
          members << Member.new(:role_ids => ["#{ap_role}"], :user_id => @applied_message.applied_user_id)
          user_grades << UserGrade.new(:user_id => @applied_message.applied_user_id, :project_id => project.id)
          role = Role.find(ap_role)
          project_info << ProjectInfo.new(:project_id => project.id, :user_id => @applied_message.applied_user_id) if role.allowed_to?(:is_manager)
          project.members << members
          project.project_infos << project_info
          project.user_grades << user_grades unless user_grades.first.user_id.nil?

          # 添加成功后所有管理员收到的消息状态都要更新
          applied_messages = AppliedMessage.where(:applied_id => @applied_message.applied_id, :project_id => @applied_message.project_id, :status => 1,
                                                    :applied_type => "AppliedProject")
          applied_messages.update_all(:status => 7, :viewed => true)
          @applied_message = AppliedMessage.find(params[:applied_message_id])
          # 添加成功后，申请人收到消息
          AppliedMessage.create(:user_id => @applied_message.applied_user_id, :applied_type => "AppliedProject", :applied_id => applied_project.id ,
                                  :status => 6, :viewed => false, :applied_user_id => @applied_message.user_id, :role => applied_project.role, :project_id => applied_project.project_id)
          ps = ProjectsService.new
          ps.send_wechat_join_project_notice user,project,ap_role,0
          # 添加成功后，批准人收到消息
          # AppliedMessage.create(:user_id => @applied_message.user_id, :applied_type => "AppliedProject", :applied_id => applied_project.id ,
          #                         :status => 7, :viewed => true, :applied_user_id => @applied_message.applied_user_id, :role => applied_project.role, :project_id => applied_project.project_id)
        rescue Exception => e
          puts e
        end
      end
    end
  end

  # 同意消息中拒绝加入项目
  # params[:user_id]为申请者ID
  # params[:send_id]为拒绝人ID
  # status(1：申请的消息；2：已操作过该消息（包括同意或者拒绝，消息状态更新）；3：拒绝消息；4:被拒人收到消息；5：拒绝者收到消息；6：同意后申请人收到消息；7：同意后批准人收到消息)
  def refused_allow_to_join_project
    @applied_message = AppliedMessage.find(params[:applied_message_id])
    # @applied_message.update_attribute(:status, 3)
    applied_project = @applied_message.applied
    project = Project.find(@applied_message.project_id) if !applied_project.nil?
    user = User.find(@applied_message.applied_user_id)
    if user.member_of?(project) || AppliedMessage.where(:applied_id => @applied_message.applied_id, :status => 1).count == 0
      @flash_message = "该申请已被其他管理员处理"
      # @applied_message.update_attribute(:status, 2)
    else
      # 发送消息给被拒者,user_id对应的收到信息的用户
      AppliedMessage.create(:user_id => @applied_message.applied_user_id, :applied_type => "AppliedProject", :applied_id => applied_project.id ,:status => 4,
                            :viewed => false, :applied_user_id => @applied_message.user_id, :role => applied_project.role, :project_id => applied_project.project_id)

      # 拒绝功后所有管理员收到的消息状态都要更新
      applied_messages = AppliedMessage.where(:applied_id => @applied_message.applied_id, :project_id => @applied_message.project_id, :status => 1,
                                              :applied_type => "AppliedProject")
      applied_messages.update_all(:status => 5, :viewed => true)
      @applied_message = AppliedMessage.find(params[:applied_message_id])
      # AppliedMessage.create(:user_id => @applied_message.user_id, :applied_type => "AppliedProject", :applied_id => applied_project.id ,:status => 5,
      #                         :viewed => true, :applied_user_id => @applied_message.applied_user_id, :role => applied_project.role, :project_id => applied_project.project_id)
      ps = ProjectsService.new
      user = User.find(@applied_message.applied_user_id)
      ap_role = applied_project.try(:role)
      ps.send_wechat_join_project_notice user,project,ap_role,1

      applied_project.delete
    end
  end

  def create
    if params[:refusal_button]
      members = []
      applied_members = true
      if params[:membership]
        if params[:membership][:user_ids]
          attrs = params[:membership].dup
          user_ids = attrs.delete(:user_ids)
          user_ids.each do |user_id|
            AppliedProject.deleteappiled(user_id, @project.id)
          end
          @succes_message = "拒绝成功"
        end
      end
      respond_to do |format|
        format.js
      end
    else
      #modify by nwb
      #更改课程成员逻辑
      applied_members = false
      members = []
      user_grades = []
      if @project
        project_info = []
        if params[:membership]
          if params[:membership][:user_ids]
            ActiveRecord::Base.transaction do
              begin
                attrs = params[:membership].dup
                user_ids = attrs.delete(:user_ids)
                user_ids.each do |user_id|
                  members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => user_id)
                  user_grades << UserGrade.new(:user_id => user_id, :project_id => @project.id)

                  #给新成员发送加入项目的消息，发送者id放在ForgeMessage的forge_message_id字段中，
                  #forge_message_type设置为JoinProject
                  forge_join = ForgeMessage.new(:user_id =>user_id, :forge_message_id=>User.current.id,:project_id => @project.id,:forge_message_type=>"JoinProject", :viewed => false)
                  forge_join.save
                  ## added by nie
                  if (params[:membership][:role_ids])
                    role = Role.find(params[:membership][:role_ids][0])
                    project_info << ProjectInfo.new(:user_id => user_id, :project_id => @project.id) if role.allowed_to?(:is_manager)
                    # ProjectInfo.create(:name => "test", :user_id => 123)
                  end
                  ## end
                end
              rescue Gitlab::Error::Forbidden => e
                @message = l(:label_pull_request_forbidden)
              rescue Gitlab::Error::BadRequest => e
                @message = "添加成员失败，可能是你添加的用户名中含有非法字符"
              rescue Exception => e
                puts e
              end
            end
          else
            members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => params[:membership][:user_id])
            user_grades << UserGrade.new(:user_id => params[:membership][:user_id], :project_id => @project.id)
            ## added by nie
            if (params[:membership][:role_ids])
              role = Role.find(params[:membership][:role_ids][0])
              project_info << ProjectInfo.new(:project_id => @project.id, :user_id => params[:membership][:user_id]) if role.allowed_to?(:is_manager)
            end
            ## end
          end
          @project.members << members
          # added by nie
          @project.project_infos << project_info
          @project.user_grades << user_grades unless user_grades.first.user_id.nil?
          # end
        end
        if members.present? && members.all? { |m| m.valid? }
          members.each do |member|
            AppliedProject.deleteappiled(member.user_id, @project.id)
          end
        end
        if params[:flag]
          unless members.present? && members.all? {|m| m.valid? }
            flash[:error] = members.empty? ? l(:label_user_role_null) :members.collect {|m| m.errors.full_messages}.flatten.uniq.join(', ')
          else
            flash[:notice] = l(:label_invite_success)
          end
          respond_to do |format|
            format.html { redirect_to invite_members_project_url(@project) }
          end
        else
          unless members.present? && members.all? {|m| m.valid? }
            @project_error_message = members.empty? ? l(:label_user_role_null) :members.collect {|m| m.errors.full_messages}.flatten.uniq.join(', ')
          else
            @succes_message = "添加成功"
          end
          respond_to do |format|
            format.html { redirect_to_settings_in_projects }
            format.js
            format.api {
              @member = members.first
              if @member.valid?
                render :action => 'show', :status => :created, :location => membership_url(@member)
              else
                render_validation_errors(@member)
              end
            }
          end
        end
      elsif @course
        course_info = []
        if params[:membership]
          @create_member_error_messages = "角色不能留空" unless params[:membership][:role_ids]
          @create_member_error_messages = "用户不能留空" unless params[:membership][:user_ids]

          if params[:membership][:user_ids]
            attrs = params[:membership].dup
            user_ids = attrs.delete(:user_ids)
            user_ids.each do |user_id|
              member =  Member.new(:role_ids => params[:membership][:role_ids], :user_id => user_id)

              role_ids = params[:membership][:role_ids]
              #role = Role.find(params[:membership][:role_ids])
              # 这里的判断只能通过角色名，可以弄成常量
              if role_ids && role_ids.include?("10")
                StudentsForCourse.create(:student_id => user_id, :course_id =>@course.id)
              end

              #给新成员和老师发送加入课程的消息，发送者id放在CourseMessage的course_message_id字段中
              #course_message_type设置为JoinCourse
              #status = 0 表示给学生发，status = 1表示给老师发
              course_join = CourseMessage.new(:user_id =>user_id, :course_message_id=>User.current.id,:course_id => @course.id,:course_message_type=>"JoinCourse", :content => role, :viewed => false, :status => 0)
              course_join.save
              CourseMessage.create(:user_id => User.current.id, :course_message_id => user_id, :course_id => @course.id, :course_message_type => "JoinCourse",:content => role, :viewed => false, :status => 1)

              members << member
              #user_grades << UserGrade.new(:user_id => user_id, :course_id => @course.id)
              if (params[:membership][:role_ids])
                role = Role.find(params[:membership][:role_ids][0])
                course_info << CourseInfo.new(:user_id => user_id, :course_id => @course.id)  if role.allowed_to?(:is_manager)
              end
            end
          else
            members << Member.new(:role_ids => params[:membership][:role_ids], :user_id => params[:membership][:user_id])
            if (params[:membership][:role_ids])
              role = Role.find(params[:membership][:role_ids][0])
              course_info << CourseInfo.new(:course_id => @course.id, :user_id => params[:membership][:user_id]) if role.allowed_to?(:is_manager)
            end
          end
          @course.members << members
          @course.course_infos << course_info

          @roles = Role.givable.all[3..5]
          members = @course.member_principals.includes(:roles, :principal).all.sort
        else
          @create_member_error_messages = l(:label_user_role_null)
        end
        respond_to do |format|
          format.html { redirect_to_settings_in_courses }
          format.js { @members = members; @applied_members = applied_members; }
          format.api {
            @member = members.first
            if @member.valid?
              render :action => 'show', :status => :created, :location => membership_url(@member)
            else
              render_validation_errors(@member)
            end
          }
        end
      end     # end of  if @project

    end  # end of params[:refusal_button]



  end

  def update
    #modify by nwb
    #增加对课程成员修改的支持
    if @project
      if params[:membership]
        ActiveRecord::Base.transaction do
          begin
            @member.role_ids = params[:membership][:role_ids]
            if (params[:membership][:role_ids])
              role = Role.find(params[:membership][:role_ids][0])
              if role.allowed_to?(:is_manager)
                @projectInfo = ProjectInfo.new(:user_id => @member.user_id, :project_id => @project.id)
                @projectInfo.save
              else
                user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
                if user_admin.size > 0
                  user_admin.each do |user|
                    user.destroy
                  end
                end
              end
            end
            @member.save!
          rescue Exception => e
            puts e
          end
        end
      end
      respond_to do |format|
        format.html { redirect_to_settings_in_projects }
        format.js
        format.api {
          if saved
            render_api_ok
          else
            render_validation_errors(@member)
          end
        }
      end
    elsif @course
      if params[:membership]
        @member.role_ids = params[:membership][:role_ids]

        if (params[:membership][:role_ids])
          role = Role.find(params[:membership][:role_ids][0])
          # 这里的判断只能通过角色名，可以弄成常量
          attrs = params[:membership].dup
          role_ids = attrs.delete(:role_ids)

          if role_ids && role_ids.include?("10")
            StudentsForCourse.create(:student_id => @member.user_id, :course_id =>@course.id)
          else
            joined = StudentsForCourse.where('student_id = ? and course_id = ?', @member.user_id,@course.id)
            joined.each do |join|
              join.destroy
            end
            @member.course_group_id = 0
          end
          if role.allowed_to?(:is_manager)
            @courseInfo = CourseInfos.new(:user_id => @member.user_id, :course_id => @course.id)
            @courseInfo.save
          else
            user_admin = CourseInfos.where("user_id = ? and course_id = ?", @member.user_id, @course.id)
            if user_admin.size > 0
              user_admin.each do |user|
                user.destroy
              end
            end
          end
        end
        @roles = Role.givable.all[3..5]
        @members = @course.member_principals.includes(:roles, :principal).all.sort
        @member = @course.members.new
      end

      saved = @member.save
      respond_to do |format|
        format.html { redirect_to_settings_in_courses }
        format.js
        format.api {
          if saved
            render_api_ok
          else
            render_validation_errors(@member)
          end
        }
      end
    end

  end

  def destroy
    #modify by nwb
    #课程成员删除修改
    if @project
      if request.delete? && @member.deletable?
        ActiveRecord::Base.transaction do
          begin
            @member.destroy
            # end
            user_admin = ProjectInfo.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
            if user_admin.size > 0
              user_admin.each do |user|
                user.destroy
              end
            end
            user_grade = UserGrade.where("user_id = ? and project_id = ?", @member.user_id, @project.id)
            if user_grade.size > 0
              user_grade.each do |grade|
                grade.destroy
              end
            end
            # 移出的时候删除申请消息,不需要删除消息，所以不必要关联删除
            applied_projects = AppliedProject.where(:project_id => @project.id, :user_id => @member.user_id).first
            unless applied_projects.nil?
              applied_projects.delete
            end
            #移出项目发送消息
            ForgeMessage.create(:user_id => @member.user_id, :project_id => @project.id, :forge_message_type => "RemoveFromProject", :viewed => false, :forge_message_id => User.current.id)
          rescue Exception => e
            puts e
          end
        end
      end
      respond_to do |format|
        format.html { redirect_to_settings_in_projects }
        format.js
        format.api {
          if @member.destroyed?
            render_api_ok
          else
            head :unprocessable_entity
          end
        }
      end
    elsif @course
      if request.delete? && @member.deletable?
        @member.destroy
        user_admin = CourseInfos.where("user_id = ? and course_id = ?", @member.user_id, @course.id)
        if user_admin.size > 0
          user_admin.each do |user|
            user.destroy
          end
        end
        joined = StudentsForCourse.where('student_id = ? and course_id = ?', @member.user_id,@course.id)
        joined.each do |join|
          join.destroy
        end
        @roles = Role.givable.all[3..5]
        @members = @course.member_principals.includes(:roles, :principal).all.sort
        #移出课程发送消息
        CourseMessage.create(:user_id => @member.user_id, :course_id => @course.id, :course_message_type => "RemoveFromCourse", :viewed => false, :course_message_id => User.current.id)
      end
      respond_to do |format|
        format.html { redirect_to_settings_in_courses }
        format.js
        format.api {
          if @member.destroyed?
            render_api_ok
          else
            head :unprocessable_entity
          end
        }
      end
    end
  end

  def autocomplete
    @flag = params[:flag] || false
    respond_to do |format|
      format.js
    end
  end

  private

  def redirect_to_settings_in_projects
    redirect_to settings_project_url(@project, :tab => 'members')
  end

  def redirect_to_settings_in_courses
    redirect_to settings_course_url(@course, :tab => 'members')
  end
end