package logic

import (
	"context"
	"strings"

	"muyu-apiserver/pkg/tenantctx"
	"muyu-apiserver/rpc/inventory/internal/svc"
	"muyu-apiserver/rpc/inventory/pb"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

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

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

func (l *DeleteProductBatchLogic) DeleteProductBatch(in *pb.DeleteProductBatchReq) (*pb.Empty, error) {
	tenantId := tenantctx.ExtractTenantId(l.ctx)
	batch, err := l.svcCtx.ProductBatchModel.FindOneByProductAndBatchId(l.ctx, tenantId, in.ProductId, in.BatchId)
	if err != nil {
		return nil, status.Error(codes.NotFound, "批次不存在")
	}
	if strings.HasSuffix(batch.BatchNo, "-B001") {
		return nil, status.Error(codes.FailedPrecondition, "B001 批次不可删除")
	}
	count, err := l.svcCtx.PanModel.CountByBatchId(l.ctx, in.BatchId)
	if err != nil {
		return nil, status.Error(codes.Internal, err.Error())
	}
	if count > 0 {
		return nil, status.Error(codes.FailedPrecondition, "批次已有库存引用，不能删除")
	}
	if err := l.svcCtx.ProductBatchModel.SoftDeleteByBatchId(l.ctx, in.BatchId); err != nil {
		return nil, status.Error(codes.Internal, err.Error())
	}
	return &pb.Empty{}, nil
}