package jnpf.dmsService;

import jnpf.base.ActionResult;
import jnpf.base.ActionResultCode;
import jnpf.dmsEntity.preview.enums.DmsPreviewFormat;
import jnpf.dmsEntity.preview.enums.DmsWatermarkTargetType;
import jnpf.dmsEntity.preview.model.DmsFilePreviewTicket;
import jnpf.dmsService.file.DmsOnlyOfficePrepareApi;
import jnpf.exception.DataException;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;

@Component
@RequiredArgsConstructor
public class DmsPreviewPreparationClient {
    private final DmsOnlyOfficePrepareApi prepareApi;

    public DmsFilePreviewTicket prepare(DmsFilePreviewTicket ticket) {
        DmsWatermarkTargetType targetType = DmsWatermarkTargetType.from(
                ticket.getFileName(), ticket.getMimeType());
        if (targetType == DmsWatermarkTargetType.IMAGE) {
            return ticket;
        }
        boolean customBarcode = ticket.getWatermarks() != null && ticket.getWatermarks().stream()
                .anyMatch(mark -> mark != null && Boolean.TRUE.equals(mark.getCustomBarcode()));
        boolean pdfRequested = DmsPreviewFormat.PDF == ticket.getPreviewFormat();
        boolean docxCustomBarcode = customBarcode
                && targetType == DmsWatermarkTargetType.DOCX;
        if ((!pdfRequested && !docxCustomBarcode) || targetType == DmsWatermarkTargetType.PDF) {
            return ticket;
        }
        ActionResult<DmsFilePreviewTicket> result = prepareApi.prepare(ticket);
        if (result == null || !ActionResultCode.SUCCESS.getCode().equals(result.getCode())
                || result.getData() == null) {
            throw new DataException(result == null || result.getMsg() == null
                    ? "预览 PDF 生成失败" : result.getMsg());
        }
        return result.getData();
    }

}