package report

import (
	"context"
	"fmt"

	"in-server/app/main/api/internal/svc"
	"in-server/app/main/api/internal/types"

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

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

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

func (l *DownloadReportPdfLogic) DownloadReportPdf(req *types.DownloadReportPdfReq) (resp *types.DownloadReportPdfResp, err error) {
	pdfBytes, err := l.svcCtx.ReportPDFService.GenerateReportPDF(l.ctx, req.OrderId, req.OrderNo)
	if err != nil {
		logx.Errorf("生成报告 PDF 失败, orderId=%s, orderNo=%s, err=%v", req.OrderId, req.OrderNo, err)
		return nil, fmt.Errorf("生成报告 PDF 失败: %w", err)
	}

	resp = &types.DownloadReportPdfResp{
		FileName: fmt.Sprintf("report_%s.pdf", req.OrderNo),
		Content:  pdfBytes,
	}
	return resp, nil
}