package com.fr.list;

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

import com.fr.data.AbstractTableData;
import com.fr.json.JSONArray;
import com.fr.json.JSONObject;
import com.fr.third.org.apache.http.HttpResponse;
import com.fr.third.org.apache.http.client.methods.HttpPost;
import com.fr.third.org.apache.http.entity.StringEntity;
import com.fr.third.org.apache.http.impl.client.CloseableHttpClient;
import com.fr.third.org.apache.http.impl.client.HttpClientBuilder;
import com.fr.third.org.apache.http.protocol.HTTP;
import com.fr.third.org.apache.http.util.EntityUtils;

public class ListByJsonApi extends AbstractTableData {
	private static final long serialVersionUID = -1L;
	// 列名数组，保存程序数据集所有列名
	private String[] columnNames = null;
	// 定义程序数据集的列数量
	private int columnNum = 2;
	// 保存查询表的实际列数量
	private int colNum = 0;
	// 保存查询得到列值
	@SuppressWarnings("rawtypes")
	private ArrayList valueList = null;

	// 构造函数，定义表结构，该表有10个数据列，列名为column#0，column#1，。。。。。。column#9
	public ListByJsonApi() {
		columnNames = new String[columnNum];
		for (int i = 0; i < columnNum; i++) {
			columnNames[i] = "column#" + String.valueOf(i);
		}
	}

	// 实现其他四个方法
	public int getColumnCount() {
		return columnNum;
	}

	public String getColumnName(int columnIndex) {
		return columnNames[columnIndex];
	}

	public int getRowCount() {
		init();
		return valueList.size();
	}

	public Object getValueAt(int rowIndex, int columnIndex) {
		init();
		if (columnIndex >= colNum) {
			return null;
		}
		return ((Object[]) valueList.get(rowIndex))[columnIndex];
	}

	// 准备数据
	@SuppressWarnings("unchecked")
	public void init() {
		// 确保只被执行一次
		if (valueList != null) {
			return;
		}

		try {
			// 拼接请求json
			JSONObject jo = new JSONObject();
			List<JSONObject> js = new ArrayList<JSONObject>();
			JSONObject jd = new JSONObject();
			jd.put("vCode", "2021070100001");
			js.add(jd);
			jo.put("data", js);

			//接口url
			String urlString = "http://localhost:31211/WMS/getLeatherByCode";
			CloseableHttpClient httpClient = HttpClientBuilder.create().build();
			HttpPost httpPost = new HttpPost(urlString);
			httpPost.addHeader(HTTP.CONTENT_TYPE, "application/json"); // 请求Header

			StringEntity entity = new StringEntity(jo.toString(), "UTF-8"); // 请求json
			httpPost.setEntity(entity);

			HttpResponse response;
			response = httpClient.execute(httpPost);

			// 获取返回值
			String reStr = EntityUtils.toString(response.getEntity(), "utf-8");
			JSONObject reJson = new JSONObject(reStr);
			JSONArray array = reJson.getJSONArray("data"); // data明细

			// 用对象保存数据
			Object[] objArray = null;
			for (int i = 0; i < array.length(); i++) {
				objArray = new Object[colNum];
				objArray[0] = array.getJSONObject(i).get("尺寸").toString();
				objArray[0] = array.getJSONObject(i).get("类型").toString();
				// 在valueList中加入这一行数据
				valueList.add(objArray);
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	// 获取数据库连接 driverName和 url 可以换成您需要的
	@SuppressWarnings("unused")
	public Connection getConnection() {
		String driverName = "org.sqlite.JDBC";
		String url = "jdbc:sqlite://D:\\FineReport_8.0\\WebReport\\FRDemo.db";
		String username = "";
		String password = "";
		Connection con = null;
		try {
			Class.forName(driverName);
			con = DriverManager.getConnection(url, username, password);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
		return null;
		// return con;
	}

	// 释放一些资源，因为可能会有重复调用，所以需释放valueList，将上次查询的结果释放掉
	public void release() throws Exception {
		super.release();
		this.valueList = null;
	}
}