package receipt

import (
	"context"

	"muyu-apiserver/gateway/internal/svc"
	"muyu-apiserver/gateway/internal/types"
	"muyu-apiserver/rpc/purchase/purchaseservice"

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

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

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

func (l *ListPurchaseReceiptLogic) ListPurchaseReceipt(req *types.ListPurchaseReceiptReq) (*types.ListPurchaseReceiptResp, error) {
	rpcResp, err := l.svcCtx.PurchaseRpc.ListPurchaseReceipt(l.ctx, &purchaseservice.ListPurchaseReceiptReq{
		Page:      req.Page,
		PageSize:  req.PageSize,
		OrderId:   req.OrderId,
		Status:    req.Status,
		StartDate: req.StartDate,
		EndDate:   req.EndDate,
	})
	if err != nil {
		return nil, err
	}

	list := make([]types.PurchaseReceiptInfo, 0, len(rpcResp.List))
	for _, r := range rpcResp.List {
		list = append(list, *purchaseReceiptInfoFromPB(r))
	}
	return &types.ListPurchaseReceiptResp{Total: rpcResp.Total, List: list}, nil
}

func purchaseReceiptInfoFromPB(r *purchaseservice.PurchaseReceiptInfo) *types.PurchaseReceiptInfo {
	if r == nil {
		return &types.PurchaseReceiptInfo{}
	}
	details := make([]types.PurchaseReceiptDetailInfo, 0, len(r.Details))
	for _, d := range r.Details {
		details = append(details, types.PurchaseReceiptDetailInfo{
			DetailId:      d.DetailId,
			OrderDetailId: d.OrderDetailId,
			ProductId:     d.ProductId,
			ActualQty:     d.ActualQty,
			UnitCost:      d.UnitCost,
			Remark:        d.Remark,
		})
	}
	return &types.PurchaseReceiptInfo{
		ReceiptId:   r.ReceiptId,
		ReceiptNo:   r.ReceiptNo,
		OrderId:     r.OrderId,
		ReceiptDate: r.ReceiptDate,
		ReceivedBy:  r.ReceivedBy,
		Status:      r.Status,
		Remark:      r.Remark,
		CreatedAt:   r.CreatedAt,
		Details:     details,
	}
}