package base

import (
	"context"
	"fmt"

	"dashoo.cn/opms_libary/myerrors"
	"github.com/gogf/gf/frame/g"
	"github.com/gogf/gf/util/gconv"

	"dashoo.cn/micro/app/dao/base"
	model "dashoo.cn/micro/app/model/base"
	"dashoo.cn/micro/app/service"
)

type productService struct {
	*service.ContextService
	Dao *base.BaseProductDao
}

func NewProductService(ctx context.Context) (svc *productService, err error) {
	svc = new(productService)
	if svc.ContextService, err = svc.Init(ctx); err != nil {
		return nil, err
	}
	svc.Dao = base.NewBaseProductDao(svc.Tenant)
	return svc, nil
}

// GetList 产品信息列表
func (s *productService) GetList(req *model.ProductSearchReq) (total int, productList []*model.BaseProduct, err error) {
	Dao := &s.Dao.BaseProductDao
	if req.ProdCode != "" {
		Dao = Dao.Where("prod_code = ?", req.ProdCode)
	}
	if req.ProdName != "" {
		Dao = Dao.Where("prod_name like ?", "%"+req.ProdName+"%")
	}

	if req.ProdClass != "" {
		Dao = Dao.Where("prod_class = ?", req.ProdClass)
	}

	total, err = Dao.Count()
	if err != nil {
		g.Log().Error(err)
		err = myerrors.DbError("获取总行数失败。")
		return
	}
	if req.PageNum == 0 {
		req.PageNum = 1
	}

	err = Dao.Page(req.PageNum, req.PageSize).Order("id asc").Scan(&productList)
	return
}

// GetEntityById 根据ID查询详细信息
func (s *productService) GetEntityById(id int64) (product *model.BaseProduct, err error) {
	product, err = s.Dao.FindOne(id)
	if err != nil {
		g.Log().Error(err)
		return
	}
	return
}

// Create 添加信息
func (s *productService) Create(req *model.AddProductReq) (lastInsertId int64, err error) {
	product := new(model.BaseProduct)
	if err = gconv.Struct(req, product); err != nil {
		g.Log().Error(err)
		return
	}
	service.SetCreatedInfo(product, s.GetCxtUserId(), s.GetCxtUserName())
	lastInsertId, err = s.Dao.InsertAndGetId(product)
	if err != nil {
		g.Log().Error(err)
		return
	}
	return
}

// UpdateById 修改数据
func (s *productService) UpdateById(req *model.UpdateProductReq) (err error) {
	product, err := s.Dao.FindOne(req.Id)
	if err != nil {
		g.Log().Error(err)
		return err
	}
	if product == nil {
		return myerrors.TipsError("产品信息不存在或已被删除")
	}
	if err = gconv.Struct(req, product); err != nil {
		return
	}
	service.SetUpdatedInfo(product, s.GetCxtUserId(), s.GetCxtUserName())
	_, err = s.Dao.WherePri(req.Id).Update(product)
	if err != nil {
		g.Log().Error(err)
		return
	}
	return
}

// DeleteByIds 删掉数据
func (s *productService) DeleteByIds(ids []int64) (err error) {
	if len(ids) == 1 {
		count, err := s.Dao.WherePri(ids[0]).Count()
		if err != nil {
			g.Log().Error(err)
			return err
		}
		if count == 0 {
			return myerrors.TipsError("数据不存在或已被删除，请刷新页面")
		}
		_, err = s.Dao.WherePri(s.Dao.C.Id, ids[0]).Delete()
		if err != nil {
			g.Log().Error(err)
			return err
		}
		return err
	} else {
		_, err := s.Dao.WhereIn(s.Dao.C.Id, ids).LockShared().Count()
		if err != nil {
			g.Log().Error(err)
			return err
		}
		result, err := s.Dao.WhereIn(s.Dao.C.Id, ids).Delete()
		if err != nil {
			g.Log().Error(err)
			return err
		}
		rows, err := result.RowsAffected()
		if err == nil {
			if len(ids) != int(rows) {
				return myerrors.TipsError(fmt.Sprintf("应更新%s行，实际更新%s行", len(ids), int(rows)))

			}
		}
	}
	return nil
}