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package com.datastax.data.exploration.service.chart.impl;

import com.alibaba.fastjson.JSONObject;
import com.datastax.data.exploration.biz.datatable.DataTable;
import com.datastax.data.exploration.biz.datatable.DataType;
import com.datastax.data.exploration.common.DataTypeHandler;
import com.datastax.data.exploration.common.File2DataTable;
import com.datastax.data.exploration.service.chart.Scatter3DService;
import com.datastax.data.exploration.util.Consts;
import org.javatuples.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import java.util.List;

import static com.datastax.data.exploration.util.CommonUtil.columnIndex;
import static com.datastax.data.exploration.util.CommonUtil.getFormat;

/**
 * 散点3D图
 *
 * @author songfu 2018/1/16
 */
@Service("scatter3DService")
public class Scatter3DServiceImpl implements Scatter3DService {
    private static final Logger logger = LoggerFactory.getLogger(ScatterServiceImpl.class);

    /**
     * 获取散点3D图初始化数据
     *
     * @param id 数据集id
     * @return 返回的是散点3D图初始化数据(JSONObeject对象)
     */
    @Override
    public JSONObject scatter3DInit(String id) {
        List axisX = DataTypeHandler.noText(File2DataTable.tableSchema(id));
        if (axisX.size() == 0) {
            axisX.add(Consts.NONE);
        }
        JSONObject json = new JSONObject();
        json.put("axisX", axisX);
        json.put("axisY", axisX);
        json.put("axisZ", axisX);
        json.put("color", axisX);
        return json;
    }

    /**
     * 获取散点3D图展示的数据
     *
     * @param id    数据集id
     * @param axisX 散点3D图x轴
     * @param axisY 散点3D图y轴
     * @param axisZ 散点3D图y轴
     * @param color 散点3D图color维度
     * @return 返回的是散点3D图展示的数据(JSONObeject对象)
     */
    @Override
    public JSONObject scatter3DSelect(String id, String axisX, String axisY, String axisZ, String color) {
        DataTable table = File2DataTable.exactTable(id);
        String[] type = {typeAndformat(table, axisX).getValue0()
                , typeAndformat(table, axisY).getValue0()
                , typeAndformat(table, axisZ).getValue0()
                , typeAndformat(table, color).getValue0()};
        String[] format = {typeAndformat(table, axisX).getValue1()
                , typeAndformat(table, axisY).getValue1()
                , typeAndformat(table, axisZ).getValue1()
                , typeAndformat(table, color).getValue1()};
        JSONObject json = new JSONObject();
        json.put("data", table.getRows().dataDimen4(axisX, axisY, axisZ, color));
        json.put("type", type);
        json.put("format", format);
        return json;
    }

    private Pair typeAndformat(DataTable table, String column) {
        DataType dataType = table.getColumns().getColumn(column).getType();
        return new Pair<>(dataType.getName(), getFormat(dataType));
    }
}