package logic

import (
	"context"

	"lone-services/pkg/modelbase"
	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	sale "lone-services/rpc/sale/pb"
	"lone-services/services/sale/internal/dao"
	"lone-services/services/sale/internal/model"
	"lone-services/services/sale/internal/svc"
	"lone-services/services/sale/validator"

	"github.com/zeromicro/go-zero/core/logx"
)

type GroupItemsLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewGroupItemsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GroupItemsLogic {
	return &GroupItemsLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

func (l *GroupItemsLogic) GroupItems(in *sale.GroupItemsReq) (*sale.Response, error) {
	var req validator.GroupItemsValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return outResponse(utils.ErrorParams, msg), nil
	}

	page := int(req.Page)
	size := int(req.PageSize)
	if page < modelbase.DefaultPage {
		page = modelbase.DefaultPage
	}
	if size < modelbase.DefaultPage {
		size = modelbase.DefaultSize
	}

	w := modelbase.Params{
		Page:  page,
		Size:  size,
		Order: "id desc",
		Like:  map[string]string{},
	}
	if req.Name != utils.StringEmpty {
		w.Like["name LIKE ?"] = "%" + req.Name + "%"
	}

	var list []dao.SaleGroup
	result, err := model.SaleGroupModel{}.Init().Page(w, &list)
	if err != nil {
		l.Errorf("group items: %v", err)
		return failResponse(utils.Fail), nil
	}

	return okResponse(map[string]any{
		"count": result.Count,
		"items": list,
	}), nil
}