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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
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package com.cloud.storage.dao;

import java.util.List;

import javax.ejb.Local;

import org.springframework.stereotype.Component;

import com.cloud.storage.Upload.Mode;
import com.cloud.storage.Upload.Status;
import com.cloud.storage.UploadVO;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;

@Component
@Local(value = {UploadDao.class})
public class UploadDaoImpl extends GenericDaoBase<UploadVO, Long> implements UploadDao {
    protected final SearchBuilder<UploadVO> typeUploadStatusSearch;
    protected final SearchBuilder<UploadVO> typeHostAndUploadStatusSearch;
    protected final SearchBuilder<UploadVO> typeModeAndStatusSearch;

    protected static final String UPDATE_UPLOAD_INFO = "UPDATE upload SET upload_state = ?, upload_pct= ?, last_updated = ? "
        + ", upload_error_str = ?, upload_job_id = ? " + "WHERE host_id = ? and type_id = ? and type = ?";

    protected static final String UPLOADS_STATE_DC = "SELECT * FROM upload t, host h where t.host_id = h.id and h.data_center_id=? "
        + " and t.type_id=? and t.upload_state = ?";

    public UploadDaoImpl() {
        typeUploadStatusSearch = createSearchBuilder();
        typeUploadStatusSearch.and("type_id", typeUploadStatusSearch.entity().getTypeId(), SearchCriteria.Op.EQ);
        typeUploadStatusSearch.and("upload_state", typeUploadStatusSearch.entity().getUploadState(), SearchCriteria.Op.EQ);
        typeUploadStatusSearch.and("type", typeUploadStatusSearch.entity().getType(), SearchCriteria.Op.EQ);
        typeUploadStatusSearch.done();

        typeHostAndUploadStatusSearch = createSearchBuilder();
        typeHostAndUploadStatusSearch.and("host_id", typeHostAndUploadStatusSearch.entity().getDataStoreId(), SearchCriteria.Op.EQ);
        typeHostAndUploadStatusSearch.and("upload_state", typeHostAndUploadStatusSearch.entity().getUploadState(), SearchCriteria.Op.EQ);
        typeHostAndUploadStatusSearch.done();

        typeModeAndStatusSearch = createSearchBuilder();
        typeModeAndStatusSearch.and("mode", typeModeAndStatusSearch.entity().getMode(), SearchCriteria.Op.EQ);
        typeModeAndStatusSearch.and("upload_state", typeModeAndStatusSearch.entity().getUploadState(), SearchCriteria.Op.EQ);
        typeModeAndStatusSearch.done();

    }

    @Override
    public List<UploadVO> listByTypeUploadStatus(long typeId, UploadVO.Type type, UploadVO.Status uploadState) {
        SearchCriteria<UploadVO> sc = typeUploadStatusSearch.create();
        sc.setParameters("type_id", typeId);
        sc.setParameters("type", type);
        sc.setParameters("upload_state", uploadState.toString());
        return listBy(sc);
    }

    @Override
    public List<UploadVO> listByHostAndUploadStatus(long sserverId, Status uploadState) {
        SearchCriteria<UploadVO> sc = typeHostAndUploadStatusSearch.create();
        sc.setParameters("host_id", sserverId);
        sc.setParameters("upload_state", uploadState.toString());
        return listBy(sc);
    }

    @Override
    public List<UploadVO> listByModeAndStatus(Mode mode, Status uploadState) {
        SearchCriteria<UploadVO> sc = typeModeAndStatusSearch.create();
        sc.setParameters("mode", mode.toString());
        sc.setParameters("upload_state", uploadState.toString());
        return listBy(sc);
    }
}