package logic

import (
	"context"
	"fmt"

	"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 GetStockCheckLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

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

func (l *GetStockCheckLogic) GetStockCheck(in *pb.GetStockCheckReq) (*pb.StockCheckInfo, error) {
	check, err := l.svcCtx.StockCheckModel.FindOneByCheckId(l.ctx, in.CheckId)
	if err != nil {
		return nil, status.Error(codes.NotFound, "stock check not found")
	}

	details, err := l.svcCtx.CheckDetailModel.FindByCheckId(l.ctx, in.CheckId)
	if err != nil {
		return nil, status.Error(codes.Internal, err.Error())
	}

	pbDetails := make([]*pb.StockCheckDetailInfo, 0, len(details))
	for _, d := range details {
		productName := ""
		product, err := l.svcCtx.ProductModel.FindOneByProductId(l.ctx, d.ProductId)
		if err == nil {
			productName = product.ProductName
		}

		pbDetails = append(pbDetails, &pb.StockCheckDetailInfo{
			DetailId:       d.DetailId,
			CheckId:        d.CheckId,
			ProductId:      d.ProductId,
			ProductName:    productName,
			SystemQuantity: fmt.Sprintf("%.2f", d.SystemQuantity),
			ActualQuantity: fmt.Sprintf("%.2f", d.ActualQuantity),
			DiffQuantity:   fmt.Sprintf("%.2f", d.DiffQuantity),
			DiffAmount:     fmt.Sprintf("%.2f", d.DiffAmount),
			Remark:         d.Remark.String,
		})
	}

	return &pb.StockCheckInfo{
		CheckId:   check.CheckId,
		CheckNo:   check.CheckNo,
		CheckDate: check.CheckDate.Format("2006-01-02"),
		Checker:   check.Checker,
		Status:    check.Status,
		Remark:    check.Remark.String,
		CreatedAt: check.CreatedAt.Format("2006-01-02 15:04:05"),
		UpdatedAt: check.UpdatedAt.Format("2006-01-02 15:04:05"),
		Details:   pbDetails,
	}, nil
}