require_dependency "educode_sales/application_controller"

module EducodeSales
  class FollowUpsController < ApplicationController

    def create
      load_business
      follow_up = @business.follow_ups.build(follow_up_params)
      follow_up.staff = @current_admin
      follow_up.profit_amount = follow_up.actual_amount * (100-follow_up.divide_rate.to_i) * 0.01 if follow_up.actual_amount
      if follow_up.save
        @business.update(last_follow_up_id: follow_up.id)
        render_success
      else
        render_failure follow_up
      end
    end

    def destroy
      follow_up = FollowUp.find(params[:id])
      business = follow_up.business
      if follow_up.destroy
        if follow_up.id == business.last_follow_up_id
          business.update(last_follow_up: follow_ups.last, return_money: MoneyPlan.where(clazz: '已完成', follow_up_id: follow_ups.last&.id).sum(:amount))
        end
        render_success
      else
        render_failure follow_up
      end
    end

    def update
      follow_up = FollowUp.find(params[:id])
      follow_up.assign_attributes(follow_up_params)
      follow_up.profit_amount = follow_up.actual_amount * (100-follow_up.divide_rate.to_i) * 0.01 if follow_up.actual_amount
      if follow_up.save
        render_success
      else
        render_failure follow_up
      end
    end

    def teachers
      follow_up = FollowUp.find_by(id: params[:id])
      if follow_up.present?
        @teachers = follow_up.key_person.includes(:teacher).page(params[:page]).per(params[:per_page])
      else
        @teachers = FollowUp.none
      end
    end

    def money_plans
      follow_up = FollowUp.find_by(id: params[:id])
      @money_plans = follow_up.money_plans.page(params[:page]).per(params[:per_page])
    end

    def add_money
      follow_up = FollowUp.find(params[:id])
      money_plan = follow_up.money_plans.build(date_at: params[:date_at], amount: params[:amount], clazz: params[:clazz])
      money_plan.staff = @current_admin
      if money_plan.save
        render_success
      else
        render_failure money_plan
      end
    end

    def update_money
      follow_up = FollowUp.find_by(id: params[:id])
      money_plan = follow_up.money_plans.find(params[:plan_id])
      if money_plan.update(date_at: params[:date_at], amount: params[:amount], clazz: params[:clazz])
        render_success
      else
        render_failure money_plan
      end
    end

    def delete_money
      follow_up = FollowUp.find_by(id: params[:id])
      money_plan = follow_up.money_plans.find(params[:plan_id])
      if money_plan.destroy
        render_success
      else
        render_failure money_plan
      end
    end

    def add_keys
      follow_up = FollowUp.find(params[:id])
      if params[:name].blank?
        return render_failure '请从平台里选择教师'
      end
      
      names = params[:name].split("-")
      if names[0] == 't'
        # 从教师列表里选择的用户
        teacher = Teacher.find(names[1])
        key_peprson = KeyPerson.new(teacher_params)
        key_peprson.teacher = teacher
      else
        # 从头歌平台选择的用户
        user = User.find(names[1])
        teacher = Teacher.new(staff: @current_admin,
          professional_title: params[:professional_title],
          job: params[:job],
          user_id: user.id,
          is_key: true,
          department_id: user.department_id,
          name: user.real_name
        )
        teacher.save
        key_peprson = KeyPerson.new(teacher_params)
        key_peprson.teacher = teacher
      end

      follow_up.key_person << key_peprson
      if follow_up.save!
        render_success
      else
        render_failure follow_up
      end
     rescue ActiveRecord::RecordInvalid => e
       if e.message.include?("Teacher已经被使用") || e.message.include?('Key person是无效的')
        render_failure '该老师已在关键人列表中'
      else
        render_failure e.message
      end
    end

    private

    def load_business
      @business = Business.find(params[:business_id])
    end

    def follow_up_params
      params.permit(:clazz_id, :stage_id, :invitation_at, :reception_at, :total_amount, :actual_amount, :divide_rate, :description, :advise, :place_id)
    end

    def teacher_params
      params.permit(:professional_title, :job, :attitude_id, :sex, :birth_date, :remark)
    end
  end
end