#coding=utf-8
module Mobile
  module Apis
    class Courses < Grape::API
      resource :courses do
        def self.get_service
          CoursesService.new
        end
        desc "获取所有课程"
        params do
          optional :school_id, type: Integer, desc: '传入学校id,返回该学校课程列表'
          requires :per_page_count, type: Integer, desc: '每页总数'
          requires :page, type: Integer, desc: '当前页码'
          optional :token, type: String
        end
        get do
          authenticate!
          cs = CoursesService.new
          courses = cs.user_courses_list(current_user)
          present :data, courses, with: Mobile::Entities::Course
          present :status, 0
        end

        desc "新建课程"
        #current_user当前用户对象（不是id）
        # params[:course][:name]:课程名称
        #params[:course][:password]:密码
        #params[:course][:description]:描述
        #params[:course][:is_public]:是否公开1公开，0私有
        #params[:course][:open_student]:是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表
        #params[:course][:course_type]:暂时默认给1值。
        #params[:term]：学期（秋季学期或春季学期）
        #params[:time]: 年份（例：2014）
        #params[:setup_time]：暂不传（貌似已经没用了）
        #params[:endup_time]: 暂不传（貌似已经没用了）
        #params[:class_period]:学时总数
        params do
          requires :token, type: String
          requires :name, type: String, desc: '课程名称'
          requires :password, type: String, desc: '密码'
          requires :description, type: String, desc: '描述'
          requires :is_public, type: Integer, desc: '是否公开 1公开 0私有'
          requires :open_student, type: Integer, desc: '是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表'
          requires :course_type, type:Integer, desc: '暂时传1'
          requires :term, type: String, desc: '学期（秋季学期或春季学期）'
          requires :time, type: String, desc: '年份'
          requires :class_period, type: String, desc: '学时总数'
        end
        post do
          authenticate!
          cs = CoursesService.new
          cs_params = {
            course: params.reject{|k,v| [:term,:time,:class_period].include?(k)},
            term: params[:term],
            time: params[:time],
            class_period: params[:class_period]
          }
          courses = cs.create_course(cs_params, current_user)
          present :data, courses, with: Mobile::Entities::Course
          present :status, 0
        end

        desc "编辑课程"
        params do
          requires :token, type: String
          requires :course_id, type: Integer, desc: '课程id'
          requires :name, type: String, desc: '课程名称'
          requires :password, type: String, desc: '密码'
          requires :description, type: String, desc: '描述'
          requires :is_public, type: Integer, desc: '是否公开 1公开 0私有'
          requires :open_student, type: Integer, desc: '是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表'
          requires :course_type, type:Integer, desc: '暂时传1'
          requires :term, type: String, desc: '学期（秋季学期或春季学期）'
          requires :time, type: String, desc: '年份'
          requires :class_period, type: String, desc: '学时总数'
        end
        put do
          authenticate!
          cs = CoursesService.new
          cs_params = {
            course: params.reject{|k,v| [:term,:time,:class_period].include?(k)},
            term: params[:term],
            time: params[:time],
            class_period: params[:class_period]
          }
          course = ::Course.find(params[:course_id])
          # 如果没有传密码过来，那就把原来的密码给上，不然会不更新
          if params[:password].nil? || params[:password].blank?
            cs_params[:course][:password] = course[:password]
          end
          cs.edit_course_authorize(current_user,course)
          course = cs.edit_course(cs_params, course,current_user)
          present :data, course, with: Mobile::Entities::Course
          present :status, 0
        end
        post do
        end

        desc "加入课程"
        params do
          requires :token, type: String
          requires :invite_code, type: String, desc: '邀请码'
        end
        post "join" do
          authenticate!
          cs = CoursesService.new
          status = cs.join_course({role: "10", openid: params[:openid], invite_code: params[:invite_code]}, current_user)
          {
              status: status[:state],
              message:CoursesService::JoinCourseError.message(status[:state])
          }
        end


        desc "退出课程"
        params do
          requires :token, type: String
        end
        delete ":id" do
          authenticate!
          cs = CoursesService.new
          status = cs.exit_course({:object_id => params[:id]}, current_user)
          out = {status: status}
          message = case status
                      when 0; "退出成功"
                      when 1; "您不在课程中"
                      when 2; "您还未登录"
                      else; "未知错误，请稍后再试"
                    end
          out.merge(message: message)
        end

        desc "搜索课程"
        params do
          requires :name, type: String, desc: "课程名"
          optional :token, type: String
        end
        get 'search' do
          cs = CoursesService.new
          courses = cs.search_course(params,current_user.nil? ? User.find(2):current_user)
          present :data, courses, with: Mobile::Entities::Course
          present :status, 0
        end

        desc "课程老师列表"
        params do
          requires :token, type: String
          requires :course_id, type: Integer, desc: "课程id"
        end
        get 'teachers' do
          cs = CoursesService.new
          teachers = cs.course_teacher_or_student_list({role: '1'}, params[:course_id],current_user)
          present :data, teachers, with: Mobile::Entities::User
          present :status, 0
        end

        desc "课程学生列表"
        params do
          requires :token, type: String
          requires :course_id, type: Integer, desc: "课程id"
        end
        get 'students' do
          cs = CoursesService.new
          students = cs.course_teacher_or_student_list({role: '2'}, params[:course_id],current_user)
          present :data, students, with: Mobile::Entities::User
          present :status, 0
        end

        desc "设置教辅"
        params do
        requires :token,type:String
        requires :user_id,type:Integer,desc: '用户id'
        requires :course_id,type:Integer,desc:'课程id'
        end
        get 'set_user_as_assitant' do
          cs = CoursesService.new
          cs.set_as_assitant_teacher params
          present :status, 0
        end

        desc "删除教辅"
        params do
          requires :token,type:String
          requires :user_id,type:Integer,desc: '用户id'
          requires :course_id,type:Integer,desc:'课程id'
        end
        get 'del_user_as_assitant'  do
          cs = CoursesService.new
          cs.del_assitant_teacher params
          present :status, 0
        end

        desc "返回单个课程"
        params do
          requires :id, type: Integer
          optional :token, type: String
        end
        route_param :id do
          get do
            authenticate!
            cs = CoursesService.new
            course = cs.show_course(params,(current_user.nil? ? User.find(2):current_user))
            #course = Course.find(params[:id])
            present :data, course, with: Mobile::Entities::Course
           { status: 0}
          end
        end

        desc "课程作业列表"
        params do
          requires :token, type: String
        end
        get "homeworks/:id" do
          cs = CoursesService.new
          homeworks = cs.homework_list params,current_user
          present :data, homeworks, with: Mobile::Entities::Homework
          present :status, 0
        end

        desc "课程通知列表"
        params do
          optional :token, type: String
        end
        get ":course_id/news" do
          cs = CoursesService.new
          news = cs.course_news_list params,current_user.nil? ? User.find(2):current_user
          present :data, news, with: Mobile::Entities::News
          present :status, 0
        end

        desc "显示课程通知"
        params do
          optional :token, type: String
        end
        get "news/:id" do
          cs = CoursesService.new
          cs.show_course_news_authorize(current_user.nil? ? User.find(2):current_user)
          news = cs.show_course_news params,current_user.nil? ? User.find(2):current_user
          present :data, news, with: Mobile::Entities::News
          present :status, 0
        end

        desc '用户课程动态'
        params do
          requires :token, type: String
        end
        get "course_dynamic/:id" do
          cs = CoursesService.new
          count = cs.all_course_dynamics(params,current_user)
          present :data, count, with: Mobile::Entities::CourseDynamic
          present :status, 0
        end

        desc '课程课件'
        params do
          requires :token, type: String
          requires :course_id,type: Integer,desc: '课程id'
          optional :name,type:String,desc:'课件名称可能包含的字符'
        end
        post ":course_id/attachments" do
          cs = CoursesService.new
          count = cs.course_attachments params
          present :data, count, with: Mobile::Entities::Attachment
          present :status, 0
        end

        desc '课程学生'
        params do
          requires :token,type:String
          requires :course_id,type:Integer,desc: '课程id'
          optional :name,type:String,desc:'学生的姓名或者登录名或者学号可能包含的字符'
        end
        get ":course_id/members" do
          cs = CoursesService.new
          count = cs.course_members params
          # 我如果在学生当中，那么我将放在第一位
           count.each do |m|
             if m.user.id == current_user.id
               count.delete m
               count.unshift m
             end
           end
          present :data, count, with: Mobile::Entities::Member
          present :status, 0
        end

        desc '查看用户历次作业成绩'
        params do
          requires :token,type:String
          requires :member_id,type:Integer,desc:'课程member_id'
          optional :homeworkName,type:String,desc:'作业名称以及作业名称可能包含的字符'
        end
        get '/show_member_score/:member_id' do
          cs = CoursesService.new
          homeworkscore = cs.show_member_score params
          present :data,homeworkscore,with: Mobile::Entities::Homeworkscore
          present :status,0
        end

        desc '发布课程通知'
        params do
          requires :token,type:String
          requires :course_id,type:Integer,desc:'课程id'
          requires :title,type:String,desc:'通知标题'
          requires :desc,type:String,desc:'通知描述'
        end
        post ':course_id/create_course_notice' do
           cs = CoursesService.new
           news = cs.create_course_notice params,current_user
           present :data,news,with:Mobile::Entities::News
          present :status,0
        end

        desc '总成绩 or 活跃度列表'
        params do
          requires :token,type:String
          requires :course_id,type:Integer,desc:'课程id'
          optional :page,type:Integer,desc:'页码'
          optional :type,type:Integer,desc:'0是活跃度，1是成绩'
        end
        get ':course_id/students_score_list' do
          cs = CoursesService.new
          news = cs.students_score_list params,current_user
          present :data,news[:user_list],with:Mobile::Entities::User
          present :maxSize,news[:max_size]
          present :status,0
        end

        desc '课程某次作业提交列表 并显示成绩'
        params do
          requires :token,type:String
          requires :course_id,type:Integer,desc:'课程id'
          requires :homework_id,type:Integer,desc:'作业id'
          optional :page,type:Integer,desc:'页码'
        end
        get ':course_id/student_works_list' do
          cs = CoursesService.new
          student_works = cs.student_work_list params,current_user
          present :data,student_works,with:Mobile::Entities::StudentWork
          present :status,0
        end

        desc '讨论区信息'
        params do
          requires :token,type:String
          requires :course_id,type:Integer,desc:'课程id'
          optional :page,type:Integer,desc:'页码'
        end
        get ':course_id/board_message_list' do
          cs = CoursesService.new
          board_messages_list = cs.board_message_list params,current_user
          present :data,board_messages_list.all,with:Mobile::Entities::Message
          present :status,0
        end

        desc '讨论区某主题的回复列表'
        params do
          requires :token,type:String
          requires :board_id,type:Integer,desc:'讨论区id'
          requires :msg_id,type:Integer,desc:'讨论主题id'
          optional :page,type:Integer,desc:'页码'
        end
        get ':board_id/board_message_reply_list' do
          cs = Courses.get_service
          board_messages_list = cs.board_message_reply_list params,current_user
          present :data,board_messages_list.all,with:Mobile::Entities::Message
          present :status,0
        end

        desc '讨论区回复'
        params do
          requires :token,type:String
          requires :board_id,type:Integer,desc:'讨论区id'
          requires :parent_id,type:Integer,desc:'本回复父id'
          requires :subject,type:String,desc:'本回复主题'
          requires :content,type:String,desc:'本回复内容'
          requires :root_id,type:Integer,desc:'本回复根id'
          requires :quote,type:String,desc:'本回复引用内容'
        end
        post ':board_id/board_message_reply' do
          cs = Courses.get_service
          board_messages = cs.board_message_reply params,current_user
          present :data,board_messages,with:Mobile::Entities::Message
          present :status,0
        end


        desc '获取测验列表'
        params do
          requires :token, type:String
        end
        get ':course_id/exercises' do
          authenticate!
          exercises = Course.find(params[:course_id]).exercises
          present :data,exercises,with:Mobile::Entities::Exercise
          present :status,0
        end

        desc '删除课程'
        params do
          requires :token, type: String
        end
        post ':course_id/del' do
          authenticate!
          c = Course.find(params[:course_id])
          if c.members.count > 1
            {status: -1, message: '已经有成员加入,不能删除'}
          else
            c.delete!
            present :status,0
          end


        end

      end
    end
  end
end