require_dependency "educode_sales/application_controller"

module EducodeSales
  class TeacherFollowsController < ApplicationController
    def create
      load_teacher
      follow_up = @teacher.teacher_follows.build(follow_up_params)
      follow_up.staff = @current_admin
      if @teacher.user_id.present?
        course_ids = CourseMember.joins(:course).where(user_id: @teacher.user_id, courses:{is_delete: 0}).where.not(role: 4).pluck(:course_id)
        follow_up.course_shixuns_count = CourseMember.joins(course: :practice_homework_shixuns).where(course_id: course_ids).pluck(:shixun_id).uniq.count
        follow_up.shixuns_count = ShixunMember.where(user_id: @teacher.user_id).count
        follow_up.students_count = CourseMember.where(course_id: course_ids, role: 4).count
        follow_up.evaluates_count = Course.where(id: course_ids).inject(0) { |i, d| i += d.evaluate_count }
        follow_up.courses_count = course_ids.size
      end
      if follow_up.save
        @teacher.update(follow_up_id: follow_up.id, followup_at: Time.now)
        render_success
      else
        render_failure follow_up
      end
    end

    def destroy
      follow_up = TeacherFollow.find(params[:id])
      if follow_up.destroy
        render_success
      else
        render_failure follow_up
      end
    end

    def update
      follow_up = TeacherFollow.find(params[:id])
      follow_up.assign_attributes(follow_up_params)
      if follow_up.save
        render_success
      else
        render_failure follow_up
      end
    end

    def index
      @staff_manages = {}
      role = EducodeSales::Role.find_by(name: '生态经理')
      EducodeSales::Common.joins(market_areas: :staff).includes(market_areas: :staff).where(clazz: '区域').where("educode_sales_staffs.role_id = #{role.id}").each do |d|
        @staff_manages[d.name] = d.market_areas.map { |d| d.staff&.user&.real_name }.uniq.compact
      end if role

      if @current_admin.is_admin?
        @follow_ups = TeacherFollow.all
      else
        level = @current_admin.role.role_areas.find_by(clazz: '教师运营').level
        case level
        when '自己'
          @follow_ups = TeacherFollow.where(staff_id: @current_admin.id)
        when '区域'
          school_ids = School.where(province: @current_admin.areas.pluck(:name)).pluck(:id)
          teacher_ids = EducodeSales::Teacher.joins("JOIN departments ON educode_sales_teachers.department_id = departments.id").where("departments.school_id in (?) OR educode_sales_teachers.staff_id = #{@current_admin.id}", school_ids).pluck(:id)
          @follow_ups = TeacherFollow.where(teacher_id: teacher_ids)
        else
          @follow_ups = TeacherFollow.all
        end
      end
      if params[:q].present? && params[:q][:name].present?
        @follow_ups = @follow_ups.joins(:teacher).where("educode_sales_teachers.name LIKE ?", "%#{params[:q][:name]}%")
      end

      if params[:q].present? && params[:q][:staff_id].present?
        staff = Staff.find(params[:q][:staff_id])
        school_ids = School.where(province: staff.areas.pluck(:name)).pluck(:id)
        teacher_ids = EducodeSales::Teacher.joins("JOIN departments ON educode_sales_teachers.department_id = departments.id").where("departments.school_id in (?)", school_ids).pluck(:id)
        @follow_ups = @follow_ups.where(teacher_id: teacher_ids)
      end

      if params[:q].present? && params[:q][:department].present?
        departments_ids = Department.joins(:school).where("schools.name like ?", "%#{params[:q][:department]}%").pluck(:id)
        @follow_ups = @follow_ups.joins(:teacher).where("department_id in (?)", departments_ids)
      end

      if params[:q].present? && params[:q][:area].present?
        p = EducodeSales::Common.find(params[:q][:area]).name
        # if @current_admin.is_admin?
          @follow_ups = @follow_ups.joins(:teacher).joins("
            JOIN departments ON educode_sales_teachers.department_id = departments.id
            JOIN schools ON departments.school_id = schools.id
          ").where("province = ?", p)
        # else
        #   level = @current_admin.role.role_areas.find_by(clazz: '教师运营').level
        #   if level == "区域"
        #     school_ids = School.where(province: @current_admin.areas.pluck(:name)).pluck(:id)
        #     @follow_ups = @follow_ups.joins(:teacher).joins("
        #       JOIN departments ON educode_sales_teachers.department_id = departments.id
        #       JOIN schools ON departments.school_id = schools.id
        #     ").where("province = ? AND departments.school_id in (?)", p, school_ids)
        #   else
        #     @follow_ups = @follow_ups.joins(:teacher).joins("
        #       JOIN departments ON educode_sales_teachers.department_id = departments.id
        #       JOIN schools ON departments.school_id = schools.id
        #     ").where("province = ?", p)
        #   end
        # end
      end

      if params[:q].present? && params[:q][:description].present?
        @follow_ups = @follow_ups.where("educode_sales_teacher_follows.description LIKE ?" ,"%#{params[:q][:description]}%")
      end

      if params[:q].present? && params[:q][:follows_date].present?
        date = params[:q][:follows_date].split(" - ")
        @follow_ups = @follow_ups.where("educode_sales_teacher_follows.created_at > ? AND educode_sales_teacher_follows.created_at < ?", date[0], date[1] + ' 23:59:59')
      end

      @follow_ups =  @follow_ups.includes(:teacher, :attitude, :staff)
      if params[:sort].present? && params[:sort][:field]
        @follow_ups = @follow_ups.order("#{params[:sort][:field]} #{params[:sort][:order]}")
      else
        @follow_ups = @follow_ups.order("educode_sales_teacher_follows.created_at desc")
      end
      @follow_ups = @follow_ups.page(params[:page]).per(params[:limit])
    end

    private

    def load_teacher
      @teacher = Teacher.find(params[:teacher_id])
    end

    def follow_up_params
      params.permit(:attitude_id, :follow_id, :course_plan_id, :course_build_id, :description, :advise)
    end

  end
end