package logic

import (
	"context"
	"fmt"

	"muyu-apiserver/rpc/purchase/internal/svc"
	"muyu-apiserver/rpc/purchase/pb"

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

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

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

func (l *GetPurchaseReceiptLogic) GetPurchaseReceipt(in *pb.GetPurchaseReceiptReq) (*pb.PurchaseReceiptInfo, error) {
	receipt, err := l.svcCtx.ReceiptModel.FindOneByReceiptId(l.ctx, in.ReceiptId)
	if err != nil {
		return nil, ErrReceiptNotFound
	}

	details, err := l.svcCtx.ReceiptDetailModel.FindByReceiptId(l.ctx, in.ReceiptId)
	if err != nil {
		return nil, err
	}

	pbDetails := make([]*pb.PurchaseReceiptDetailInfo, 0, len(details))
	for _, d := range details {
		pbDetails = append(pbDetails, &pb.PurchaseReceiptDetailInfo{
			DetailId:      d.DetailId,
			ReceiptId:     d.ReceiptId,
			OrderDetailId: d.OrderDetailId,
			ProductId:     d.ProductId,
			ActualQty:     fmt.Sprintf("%.2f", d.ActualQty),
			UnitCost:      fmt.Sprintf("%.2f", d.UnitCost),
			Remark:        d.Remark.String,
		})
	}

	return &pb.PurchaseReceiptInfo{
		ReceiptId:   receipt.ReceiptId,
		ReceiptNo:   receipt.ReceiptNo,
		OrderId:     receipt.OrderId,
		ReceiptDate: receipt.ReceiptDate.Format("2006-01-02"),
		ReceivedBy:  receipt.ReceivedBy,
		Status:      receipt.Status,
		Remark:      receipt.Remark.String,
		CreatedAt:   receipt.CreatedAt.Format("2006-01-02 15:04:05"),
		Details:     pbDetails,
	}, nil
}