package com.yihu.quota.service.view;

import com.yihu.ehr.elasticsearch.ElasticSearchPool;
import com.yihu.ehr.query.BaseJpaService;
import com.yihu.quota.dao.view.ViewDao;
import com.yihu.quota.dao.view.ViewDimensionDao;
import com.yihu.quota.dao.view.ViewQuotaDao;
import com.yihu.quota.dao.view.ViewQuotaFilterDao;
import com.yihu.quota.model.cube.Cube;
import com.yihu.quota.model.view.View;
import com.yihu.quota.model.view.ViewDimension;
import com.yihu.quota.model.view.ViewQuota;
import com.yihu.quota.model.view.ViewQuotaFilter;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.index.query.QueryBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;


/**
 * @author janseny
 * @date 2018年9月26日
 */
@Service
public class ViewService extends BaseJpaService<View, ViewDao> {

    private static final Logger logger = Logger.getLogger(ViewService.class);

    @Autowired
    private ViewDao viewDao;
    @Autowired
    private ViewDimensionDao viewDimensionDao;
    @Autowired
    private ViewQuotaDao viewQuotaDao;
    @Autowired
    private ViewQuotaFilterDao viewQuotaFilterDao;
    @Autowired
    private ElasticSearchPool elasticSearchPool;

    public View findOne(Integer id) {
        return viewDao.findOne(id);
    }

    /**
     * 获取视图完整规则
     *
     * @param viewCode 视图编码
     * @return 视图规则
     */
    public View getViewRule(String viewCode) {
        View view = viewDao.findByCode(viewCode);
        view.setViewFilterList(viewQuotaFilterDao.findByRelationId(view.getId()));
        view.setViewDimensionList(viewDimensionDao.findByViewId(view.getId()));
        view.setViewQuotaList(viewQuotaDao.findByViewId(view.getId()));
        for (ViewQuota viewQuota : view.getViewQuotaList()) {
            List<ViewQuotaFilter> quotaFilterList = viewQuotaFilterDao.findByRelationId(viewQuota.getId());
            viewQuota.setQuotaFilterList(quotaFilterList);
        }
        return view;
    }

    /**
     * 获取视图统计结果
     *
     * @param viewCode
     * @param filters
     */
    public void statViewResult(String viewCode, String filters) {
        // 获取视图规则
        View view = viewDao.findByCode(viewCode);
        String[] esIndices = view.getEsIndex().split(",");
        String[] esTypes = view.getEsType().split(",");

        // 根据视图规则组装 ES 聚合语句
        TransportClient transportClient = elasticSearchPool.getClient();
        SearchRequestBuilder searchRequest = transportClient.prepareSearch(esIndices).setTypes(esTypes).setSize(0);

        QueryBuilder queryBuilder = null;
        if (StringUtils.isNotEmpty(filters) || view.getViewFilterList().size() != 0) {

        }


        transportClient.close();
    }

}