require_dependency "educode_sales/application_controller"

module EducodeSales
  class ContractsController < ApplicationController
    def index
      authorize! :read_contract, Business
      respond_to do |format|
        format.html do
          common = Common.find_by(clazz: 'staff_type', name: '销售')
          staffs = Staff.joins(:user).where(job_type: common.id).where.not(role_id: 11)
          @staffs = staffs.map { |d| [d.user.real_name, d.id]}
          gon.place = params[:place_id].present? ? [{ value: params[:place_id], name: EducodeSales::Place.find(params[:place_id]).name }] : []
          gon.staffs = staffs.map { |d| {name: d.user.real_name, value: d.id } }

          bussiness_type = []
          if params[:type]
            # 项目类型
            bussiness_type = EducodeSales::Business.include_types(params[:type]) || []
          end

          business_step = []
          if params[:step]
            # 项目阶段
            business_step = EducodeSales::Business.include_steps(params[:step]) || []
          end


          gon.business_type = Common.where(clazz: 'business_type').map do |d|
            {value: d.id, name: d.name, selected: bussiness_type.include?(d.extras)}
          end

          gon.business_step = Common.where(clazz: 'business_step', name: ['已中标', '已签单', '已验收', '回款中', '服务中', '已结束']).order("position").map do |d|
            {value: d.id, name: d.name, selected: business_step.include?(d.name)}
          end
        end
        format.json do
          @businesses = Business
          contract_ids = Common.where(clazz: '商机阶段', name: ['已中标', '已签单', '已验收', '回款中', '服务中', '已结束']).pluck(:id)
          @businesses = @businesses.joins("
            JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
          ").where("educode_sales_follow_ups.stage_id in (?)", contract_ids)

          if @current_admin.is_admin?
            @businesses = @businesses
          else
            level = @current_admin.role.role_areas.find_by(clazz: '合同管理').level
            case level
            when '自己'
              assign_business_ids = EducodeSales::Business.joins(:assign_staffs).where("educode_sales_assign_staffs.staff_id = ?", @current_admin.id).pluck(:id)

              @businesses = @businesses.where("educode_sales_businesses.staff_id = ? OR educode_sales_businesses.id in (?)", @current_admin.id, assign_business_ids)
            when '区域'
              school_ids = School.where(province: @current_admin.areas.pluck(:name)).pluck(:id) + StaffSchool.where(staff_id: @current_admin.id).pluck(:school_id)
              business_ids = @businesses.joins(last_follow_up: :assign_follow_ups).where("educode_sales_assign_follow_ups.staff_id = ?", @current_admin.id).pluck(:id)
              assign_business_ids = EducodeSales::Business.joins(:assign_staffs).where("educode_sales_assign_staffs.staff_id = ?", @current_admin.id).pluck(:id)

              @businesses = @businesses.joins("JOIN departments ON educode_sales_businesses.department_id = departments.id").where("departments.school_id in (?) OR educode_sales_businesses.staff_id = #{@current_admin.id}  OR educode_sales_businesses.id in (?)", school_ids, business_ids + assign_business_ids)
            end
          end


          if params[:q] && params[:q][:signed_date].present?
            date = params[:q][:signed_date].split(" - ")
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.signed_date >= ? AND educode_sales_follow_ups.signed_date <= ?", date[0], date[1])
          end

          if params[:q]&& params[:q][:date_at].present?
            date = params[:q][:date_at].split(" - ")
            x_id = Common.find_by(extras: EducodeSales::Common::XTYPE)&.id
            @businesses = @businesses.joins(follow_ups: :money_plans).where("educode_sales_follow_ups.clazz_id != ?", x_id).where.not("educode_sales_money_plans.clazz!= 1").where("educode_sales_money_plans.date_at >= ?  AND educode_sales_money_plans.date_at <= ? ", date[0] + " 00:00:00", date[1] + " 23:59:59").distinct
          end

          if params[:q] && params[:q][:bidded_date].present?
            date = params[:q][:bidded_date].split(" - ")
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.bidded_date >= ? AND educode_sales_follow_ups.bidded_date <= ?", date[0], date[1])
          end


          if params[:q].present? && params[:q][:name].present?
            @businesses = @businesses.where("educode_sales_businesses.name like ?", "%#{params[:q][:name]}%")
          end
          if params[:q].present? && params[:q][:department].present?
            departments_ids = Department.joins(:school).where("schools.name like ?", "%#{params[:q][:department]}%").pluck(:id)
            @businesses = @businesses.joins(:department).where("departments.id in (?)", departments_ids)
          end
          if params[:q].present? && params[:q][:staff_id].present?
            part_a_ids = @businesses.where("educode_sales_businesses.last_follow_up_id is null AND educode_sales_businesses.staff_id = ?",params[:q][:staff_id]).ids
            part_b_ids = @businesses.where("educode_sales_businesses.last_follow_up_id is not null").joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.staff_id = ?", params[:q][:staff_id]).ids
            business_ids = part_a_ids + part_b_ids
            @businesses = EducodeSales::Business.where(id:business_ids)
          end
          if params[:q].present? && params[:q][:business_type].present?
            @businesses = @businesses.where("educode_sales_businesses.clazz_id in (?)", params[:q][:business_type].split(",").map(&:to_i))
          end

          if params[:q].present? && params[:q][:business_step].present?
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.stage_id in (?)", params[:q][:business_step].split(",").map(&:to_i))
          end
          if params[:q].present? && params[:q][:place_id].present?
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.place_id = ?", params[:q][:place_id])
          end
          if params[:q].present? && params[:q][:business_year].present?
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.year = ?", params[:q][:business_year])
          end

          if params[:q].present? && params[:q][:year].present?
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.year <= ?", params[:q][:year])
          end

          if params[:q].present? && params[:q][:o_business_deployment].present?
            @businesses = @businesses.joins("
              JOIN educode_sales_follow_ups ON educode_sales_businesses.last_follow_up_id = educode_sales_follow_ups.id
            ").where("educode_sales_follow_ups.o_business_deployment = ?", params[:q][:o_business_deployment])
          end

          if params[:q].present? && params[:q][:area].present?
            area = EducodeSales::Common.find(params[:q][:area]).name
            if @current_admin.is_admin?
              @businesses = @businesses.joins("
                JOIN departments ON educode_sales_businesses.department_id = departments.id
                JOIN schools ON departments.school_id = schools.id
              ").where("province = ?", area)
            else
              level = @current_admin.role.role_areas.find_by(clazz: '商机管理').level
              if level == "区域"
                  @businesses = @businesses.joins("
                    JOIN schools ON departments.school_id = schools.id
                  ").where("province = ?", area)
                else
                  @businesses = @businesses.joins("
                    JOIN departments ON educode_sales_businesses.department_id = departments.id
                    JOIN schools ON departments.school_id = schools.id
                  ").where("province = ?", area)
              end
            end
          end

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

          if params[:q].present? && params[:q][:sales_staff_id].present?
            # 销售经理
            @businesses = @businesses.joins("LEFT JOIN educode_sales_assign_follow_ups ON educode_sales_assign_follow_ups.follow_up_id = educode_sales_businesses.last_follow_up_id").
                                      where("(educode_sales_assign_follow_ups.id IS NOT NULL AND educode_sales_assign_follow_ups.staff_id = ?) OR (educode_sales_assign_follow_ups.id IS NULL AND educode_sales_businesses.staff_id = ?)", params[:q][:sales_staff_id], params[:q][:sales_staff_id])

          end

          if params[:q].present? && params[:q][:after_sales_staff_id].present?
            #  售后工程师
            @businesses = @businesses.joins("LEFT JOIN educode_sales_assign_staffs ON educode_sales_assign_staffs.sourcable_type = 'EducodeSales::Business' AND educode_sales_assign_staffs.sourcable_id = educode_sales_businesses.id").
                                      where("educode_sales_assign_staffs.staff_id = ?", params[:q][:after_sales_staff_id])

          end

          # 商机变化
          if params[:q][:clazz_changes].present?
            clazz_changes = EducodeSales::BusinessClazzChange.clazz_changes_value[params[:q][:clazz_changes].to_s]
            @businesses = @businesses.joins("JOIN educode_sales_business_clazz_changes ON educode_sales_business_clazz_changes.business_id = educode_sales_businesses.id").where("educode_sales_business_clazz_changes.clazz_changed in (?)", clazz_changes)
          end

          if params[:sort].present? && params[:sort][:field]
            if params[:sort][:field] == "service_end_time"
              @businesses = @businesses.order("service_time_long #{params[:sort][:order]}")
            else
              @businesses = @businesses.order("#{params[:sort][:field]} #{params[:sort][:order]}")
            end
          else
            @businesses = @businesses.order("educode_sales_businesses.created_at desc")
          end


          @businesses = @businesses.select("
            distinct
            educode_sales_businesses.*,
            last_follow.invitation_at,
            last_follow.budget_amount,
            last_follow.o_business_deployment,
            last_follow.service_time_long,
            last_follow.service_end_time,
            last_follow.service_start_time,
            last_follow.reception_at,
            last_follow.bidded_date,
            last_follow.signed_date,
            last_follow.year,
            last_follow.created_at as latest_time,
            last_follow.actual_amount,
            last_follow.divide_rate,
            last_follow.divide_amount,
            (last_follow.total_amount - last_follow.actual_amount) as divide_money,
            (last_follow.actual_amount - educode_sales_businesses.return_money) as wait_return_money,
            last_follow.total_amount,
            total_follow_ups.follow_ups_counts
            ").joins("
            LEFT JOIN educode_sales_follow_ups AS last_follow ON educode_sales_businesses.last_follow_up_id = last_follow.id AND last_follow.deleted_at IS NULL
            LEFT JOIN (
              SELECT COUNT(*) AS follow_ups_counts, educode_sales_follow_ups.business_id
              FROM educode_sales_follow_ups
              WHERE educode_sales_follow_ups.deleted_at IS NULL
              GROUP BY educode_sales_follow_ups.business_id
            ) AS total_follow_ups ON educode_sales_businesses.id = total_follow_ups.business_id
          ").includes(:users, last_follow_up: [:clazz, :assign_follow_ups]).page(params[:page]).per(params[:limit])


        end
      end
    end

    def list
      common = Common.find_by(clazz: 'staff_type', name: '销售')
      staffs = Staff.joins(:user).where(job_type: common.id).where.not(role_id: 11)
      @staffs = staffs.map { |d| [d.user.real_name, d.id]}
      role = Role.find_by(name: '售后工程师')
      @after_sales_staffs = Staff.joins(:user).where(role_id: role.id).map { |d| [d.user.real_name, d.id]}
    end

    def new_follow_up
      @business = Business.find(params[:id])
      @last_follow_up = @business.last_follow_up
      @deployment_type = EducodeSales::FollowUp::BUSINESS_DEPLOYMENT
      render layout: false
    end


    def follow_ups
      authorize! :read_contract, Business
      contract_ids = Common.where(clazz: '商机阶段', name: ['已中标', '已签单', '已验收', '回款中', '服务中', '已结束']).pluck(:id)
      @follow_ups = FollowUp.joins("
        JOIN educode_sales_businesses ON educode_sales_follow_ups.business_id = educode_sales_businesses.id
      ").joins(:follow_up_trends).where("educode_sales_follow_ups.stage_id in (?)", contract_ids).select("educode_sales_follow_ups.*, educode_sales_follow_up_trends.clazz, educode_sales_follow_up_trends.content, educode_sales_follow_up_trends.id AS trend_id")

      if @current_admin.is_admin?
        @follow_ups = @follow_ups
      else
        level = @current_admin.role.role_areas.find_by(clazz: '合同管理').level
        case level
        when '自己'
          @follow_ups = @follow_ups.where("educode_sales_follow_ups.staff_id = ?", @current_admin.id)
        when '区域'
          school_ids = School.where(province: @current_admin.areas.pluck(:name)).pluck(:id) + StaffSchool.where(staff_id: @current_admin.id).pluck(:school_id)
          business_ids = Business.joins(last_follow_up: :assign_follow_ups).where("educode_sales_assign_follow_ups.staff_id = ?", @current_admin.id).pluck(:id)
          @businesses = Business.joins("JOIN departments ON educode_sales_businesses.department_id = departments.id").where("departments.school_id in (?) OR educode_sales_businesses.staff_id = #{@current_admin.id}  OR educode_sales_businesses.id in (?)", school_ids, business_ids)
          business_ids = @businesses.pluck(:id)
          @follow_ups = @follow_ups.where(business_id: business_ids)
        end
      end
      if params[:q].present? && params[:q][:name].present?
        @follow_ups = @follow_ups.joins(:business).where("educode_sales_businesses.name LIKE ?", "%#{params[:q][:name]}%")
      end
      if params[:q].present? && params[:q][:follows_date].present?
        date = params[:q][:follows_date].split(" - ")
        @follow_ups = @follow_ups.where("educode_sales_follow_ups.created_at > ? AND educode_sales_follow_ups.created_at < ?", date[0], date[1] + '23:59:59')
      end
      if params[:q].present? && params[:q][:staff_id].present?
        @follow_ups = @follow_ups.where(staff_id: params[:q][:staff_id])
      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(business: :department).where("departments.id in (?)", departments_ids)
      end
      if params[:q].present? && params[:q][:area].present?
        p = EducodeSales::Common.find(params[:q][:area]).name
        @follow_ups = @follow_ups.joins(business: :department).joins("
          JOIN schools ON departments.school_id = schools.id
        ").where("province = ?", p)
      end

      if params[:q].present? && params[:q][:description].present?
        @follow_ups = @follow_ups.joins(:business).joins("JOIN educode_sales_businesses ON educode_sales_businesses.id = educode_sales_follow_ups.business_id
                ").where("educode_sales_follow_ups.description LIKE ?" ,"%#{params[:q][:description]}%")

      end

      if params[:q].present? && params[:q][:info_clazz].present?
        @follow_ups = @follow_ups.where("educode_sales_follow_up_trends.clazz = ?", params[:q][:info_clazz])
      end

      @follow_ups = @follow_ups.includes(:staff, :clazz, :stage, key_person: :teacher, business: [department: :school])

      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_follow_ups.created_at desc")
      end
      @follow_ups = @follow_ups.page(params[:page]).per(params[:limit])
    end

    def add_follow_ups
      data = []
      6.times do |i|
        data[i] = []
        params["#{i+1}_promise_date"].each do |d, v|
          data[i] << [v]
        end
        params["#{i+1}_num"].each do |d, v|
          data[i][d.to_i] << v
        end
        params["#{i+1}_plan_date"].each do |d, v|
          data[i][d.to_i] << v
        end
        params["#{i+1}_actual_date"].each do |d, v|
          data[i][d.to_i] << v
        end
      end
      data.each do |d|
        d.select! { |d| d.delete_if{|f| f == ''}.present? }
      end

      @business = Business.find(params[:business_id])
      last_follow_up = @business.last_follow_up

      follow_up = last_follow_up.dup
      follow_up.assign_attributes(follow_up_params)
      follow_up.description = params[:content]
      if params[:service_time].present?
        date = params[:service_time].split(" - ")
        follow_up.service_start_time = date[0]
        follow_up.service_end_time = date[1]
        follow_up.service_time_long = (date[1].to_date - date[0].to_date).to_i
      end
      follow_up.staff = @current_admin

      if follow_up.save!
        contract_lists = EducodeSales::ContractDateList.clazzs.invert
        data.each_with_index do |s, i|
          if s.present?
            s.each do |d|
             follow_up.contract_date_lists.create!({promise_date: d[0], num: d[1], plan_date: d[2], actual_date: d[3], staff_id: @current_admin.id, clazz: contract_lists[i]})
            end
          end
        end
        follow_up.follow_up_trends.create(clazz: '跟进信息', content: params[:content], staff_id: @current_admin.id)
        @business.update(last_follow_up_id: follow_up.id)
        render_success
      else
        render_failure follow_up
      end
    end

    def advise
      followup = FollowUp.find(params[:id])
      followup.follow_up_trends.create(clazz: '建议信息', content: params[:content], staff_id: @current_admin.id)
      render_success
    end

    def assign
      role = Role.find_by( name: '售后工程师')
      staffs = Staff.joins(:user).where(role_id: role.id)
      business = Business.find(params[:id])
      selected_staff_ids = business.assign_staffs.pluck(:staff_id)
      gon.sales_staffs = staffs.map { |d| {name: d.user.real_name, value: d.id, selected: selected_staff_ids.include?(d.id) } }
      render layout: false
    end

    def product_list
      respond_to do |format|
        format.html do
          common = Common.find_by(clazz: 'staff_type', name: '销售')
          staffs = Staff.joins(:user).where(job_type: common.id).where.not(role_id: 11)
          @staffs = staffs.map { |d| [d.user.real_name, d.id]}
          gon.staffs = staffs.map { |d| {name: d.user.real_name, value: d.id } }
          gon.business_step = Common.where(clazz: 'business_step', name: ['已中标', '已签单', '已验收', '回款中', '服务中', '已结束']).order("position").map do |d|
            {value: d.id, name: d.name, selected: false}
          end
        end
        format.json do
          @product_catalogs = ProductCatalog
          @product_catalogs = @product_catalogs.where("name like ?", "%#{params[:q][:name]}%") if params[:q] && params[:q][:name].present?
          @product_catalogs = @product_catalogs.where(item_clazz: params[:q][:item_clazz]) if params[:q] && params[:q][:item_clazz].present?
          @product_catalogs = @product_catalogs.page(params[:page]).per(params[:limit])
        end
      end
    end

    def assign_staff
      @business = Business.find(params[:id])
      assign_staffs = []
      params[:to_id].split(",").each do |i|
        assign_staffs << AssignStaff.find_or_initialize_by(sourcable_id: @business.id, staff_id: i, sourcable_type: "EducodeSales::Business")
      end
      @business.assign_staffs = assign_staffs
      @business.save
      render_success
    end

    def new_product
      render layout: false
    end

    def product_catalog
      product_catalog = ProductCatalog.new(product_up_params)
      if product_catalog.save
        render_success
      else
        render_failure product_catalog
      end
    end

    def update_product_catalog
      product_catalog = ProductCatalog.find(params[:id])
      if product_catalog.update(product_up_params)
        render_success
      else
        render_failure product_catalog
      end
    end

    def edit_product
      @product_catalog = ProductCatalog.find(params[:id])
      render layout: false
    end

    def show_follow_record
      @follow_up = FollowUp.find(params[:follow_up_id])
      @business = Business.find(@follow_up.business_id)
      @show_follow_recored_deployment = EducodeSales::FollowUp::BUSINESS_DEPLOYMENT.to_h.invert[@follow_up.o_business_deployment]

      @trend = FollowUpTrend.find(params[:trend_id])

      id = @follow_up.id
      @follow_ups = @business.follow_ups
      ids = @follow_ups.ids
      size = ids.size
      ids = ids.reverse
      index = ids.index(id)
      @next_id = (index != size - 1 && size > 1) ? ids[index + 1] : 0
      @pre_id = (index != 0 && size > 1) ? ids[index - 1] : 0
      render layout: false
    end

    private
    def follow_up_params
      params.permit(:o_business_deployment, :plan_signed_date, :bidded_days, :signed_date, :signed_department_id, :service_years, :service_start_time, :service_end_time, :funding_source)
    end

    def product_up_params
      params.permit(:name, :item_clazz, :brand, :specification, :unit, :param, :source_method, :supplier)
    end
  end
end