/**
 * 
 */
package com.primeton.dsp.datarelease.api.model;

import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 *
 * 服务发布生成预览SQL 的 table 类
 *
 * @author zhaopx
 *
 */
public class Table {
	
	/**
	 * 表名称
	 */
	String tableName;

	/**
	 * 关联时的别名
	 */
	String alias;

	/**
	 * 关联后 select 的表字段，当前表字段
	 */
	final List<Field> fields = new ArrayList<>();


	/**
	 * 默认构造方法，JSON 能反序列化
	 */
	public Table() {
		this("TABLE", "A");
	}

	/**
	 * 表名，别名为第一个字符
	 * @param tableName
	 */
	public Table(String tableName) {
		this(tableName, new String(new char[] {tableName.charAt(0)}));
	}

	/**
	 * 构造方法
	 * @param tableName 表名
	 * @param alias 别名
	 */
	public Table(String tableName, String alias) {
		this.tableName = tableName;
		this.alias = alias;
	}

	public Table(String tableName, String alias, String field) {
		this(tableName, alias, (List)Lists.newArrayList(field));
	}

	public Table(String tableName, String alias, List<Field> fields) {
		this(tableName, alias);
		this.setFields(fields);
	}


	public Table(String tableName, String alias, Field... fields) {
		this(tableName, alias, Arrays.asList(fields));
	}


	public String getTableName() {
		return tableName;
	}

	public void setTableName(String tableName) {
		this.tableName = tableName;
	}

	public String getAlias() {
		return alias;
	}


	public void setAlias(String alias) {
		this.alias = alias;
	}

	public List<Field> getFields() {
		return fields;
	}

	public void setFields(List<Field> fields) {
		this.fields.clear();
		this.fields.addAll(fields);
	}

	public void addField(String field) {
		this.fields.add(new Field(field));
	}


	public void addField(Field field) {
		this.fields.add(field);
	}

	public void addFields(Field... fields) {
		this.fields.addAll(Arrays.asList(fields));
	}


	@Override
	public String toString() {
		return "Table{" +
				"tableName='" + tableName + '\'' +
				", alias='" + alias + '\'' +
				", fields=" + fields +
				'}';
	}
}