package jnpf.dmsService;

import jnpf.dmsEntity.fenfa.DmsWenjianChongdaFasong;
import jnpf.dmsEntity.fenfa.form.DmsWenjianChongdaForm;
import jnpf.exception.DataException;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import java.util.UUID;
import java.io.IOException;

/** 转换/计页在副本事务之外执行，避免长时间占用记录锁。 */
@Service
@RequiredArgsConstructor
public class DmsWenjianChongdaPlanService {
    private final DmsWenjianChongdaService reprints;
    private final DmsFilePageCountService pageCounts;

    public DmsWenjianChongdaFasong plan(DmsWenjianChongdaForm form) throws DataException {
        var attempt = reprints.status(form);
        if (!"OPEN".equals(attempt.getState()) || attempt.getPageCount() != null) return attempt;
        try {
            var counted = pageCounts.getPageCount(UUID.fromString(attempt.getFileVersionId()));
            if (counted == null || !UUID.fromString(attempt.getFileVersionId()).equals(counted.getFileVersionId()))
                throw new DataException("文件完整页数查询结果不匹配");
            return reprints.plan(form, attempt.getFileVersionId(), counted.getPageCount());
        } catch (IOException e) {
            throw new DataException("文件完整页数读取失败，请稍后恢复原任务");
        }
    }
}