package com.liquidnet.service.platform.service.impl.adam.dm.processor;

import com.liquidnet.service.adam.dto.vo.AdamCollectBaseVo;
import com.liquidnet.service.adam.entity.AdamCollection;
import com.liquidnet.service.platform.service.impl.adam.dm.DMCollectionService;
import com.liquidnet.service.platform.service.impl.adam.dm.DataMigrationProcessorService;
import com.mysql.cj.jdbc.result.ResultSetImpl;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

@Slf4j
@Service
public class DMCollectionProcessor extends DataMigrationProcessorService {
    @Autowired
    DMCollectionService dmCollectionService;

    @SneakyThrows
    @Override
    public void dataProcessing(Integer dg, Integer dG, String incrDt, String flg, String flu) {
        if (StringUtils.isNotEmpty(flu)) {
            log.info("DM.flush.collection:{}", userMapper.executeForDM("adam_collection"));

            log.info("DM.flush.AdamCollectVo:{}", mongoTemplate.remove(Query.query(Criteria.where("_id").exists(true)), AdamCollectBaseVo.class.getSimpleName()).getDeletedCount());
        }

        String sqlCount = "select count(1) from user_collections where type='TICKET' and status=1 and content_id>=5722 and created_at" + (StringUtils.isBlank(incrDt) ? "<" : ">=") + "curdate()";
        if (null != dg) {
            sqlCount = sqlCount + " and id%" + dG + "=" + dg;
        }
        String field = "uid,content_id,`type`,`status`,created_at,updated_at";
//                     1-uid,2-content_id,3-`type`,4-`status`,5-created_at,6-updated_at
        String sql = sqlCount.replace("count(1)", field);
        boolean smFlg = "1".equals(flg);
        if (smFlg) {
            sqlCount += " and uid in (" + DG_UID + ")";
            sql += " and uid in (" + DG_UID + ")";
        }
        sql += " order by id limit ?,?";

        Connection connection = null;
        PreparedStatement statement = null;
        ResultSetImpl row = null;
        try {
            Class.forName(DB_DRIVER);
            connection = DriverManager.getConnection(DB_URL + DB_NAME_PASSPORT, DB_USER, DB_PWD);
            statement = connection.prepareStatement(sqlCount);
            row = (ResultSetImpl) statement.executeQuery();
            row.first();
            int ct = row.getInt(1), pSize = 1000, num = 0, tl = 0, pl = ct;
            log.info("DM.execute.counts:{}/{},{} ~ {} ----------------------------> start.sql:{}", pl, num, pSize, tl, sql);

            row.close();
            statement.close();
            while (ct > 0) {
                statement = connection.prepareStatement(sql);
                int ls = pSize * num;
                statement.setInt(1, ls);
                statement.setInt(2, pSize);
                row = (ResultSetImpl) statement.executeQuery();
                log.info("DM.execute.limit {},{} - begin", ls, pSize);

                List<AdamCollection> collectionList = new ArrayList<>();
                List<AdamCollectBaseVo> vos = new ArrayList<>();
                while (row.next()) {
                    String uid = row.getString(1);
                    if (!reUidList.contains(uid)) {
                        AdamCollection collection = new AdamCollection();
                        collection.setUid(uid);
                        collection.setContentId(row.getString(2));
                        collection.setType(row.getString(3));
                        collection.setState(row.getInt(4));
                        collection.setCreatedAt(row.getLocalDateTime(5));
                        collection.setUpdatedAt(row.getLocalDateTime(6));

                        collectionList.add(collection);
                        vos.add(AdamCollectBaseVo.getNew().copy(collection));
                    }
                    if (collectionList.size() == 500 || (collectionList.size() > 0 && smFlg)) {
                        tl += collectionList.size();
                        mongoTemplate.insert(vos, AdamCollectBaseVo.class.getSimpleName());
                        log.info("DM.execute.limit.result:{}", dmCollectionService.saveBatch(collectionList));
                        vos.clear();
                        collectionList.clear();
                    }
                }
                row.close();
                statement.close();

                num++;
                ct -= pSize;

                log.info("DM.execute.limit {},{} - handle.counts:{}", ls, pSize, tl);
            }
            log.info("DM.execute.counts:{}/{},{} ~ {} ----------------------------> end", pl, num, pSize, tl);
        } catch (Exception e) {
            log.error("ex:getConnection,dG/dg:{}/{},msg:{}", dG, dg, e.getMessage());
        }
        try {
            if (null != row) row.close();
        } catch (SQLException ignored) {
        }
        try {
            if (null != statement) statement.close();
        } catch (SQLException ignored) {
        }
        try {
            if (null != connection) connection.close();
        } catch (SQLException ignored) {
        }
    }
}
