package com.thhy.screen.utils;

import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.PageInfo;
import com.thhy.general.common.BasicMessage;
import com.thhy.general.exception.BasicException;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;

public class HttpUtils {

    private static String BaseHost = "http://150.158.37.69:8080/api/";

    private static String token = "";

    public static String post(String apiPath, JSONObject paramJson, PageInfo pageInfo){
        HttpURLConnection connection=null;
        try {
            URL url = new URL(BaseHost+apiPath);
            connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(3000);
            connection.setReadTimeout(3000);
            connection.setRequestMethod("POST");
            connection.setDoInput(true);
            connection.setDoOutput(false);
            connection.setRequestProperty("content-type","application/json;charset=UTF-8");
            if(!apiPath.equals("/api/getToken")){
                connection.setRequestProperty("userToken","");
            }
            /*if(pageInfo.isPage()){
                connection.setRequestProperty("pageNum",pageInfo.getPageNo()+"");
                connection.setRequestProperty("pageSize",pageInfo.getPageSize()+"");
            }*/
            connection.connect();

            DataOutputStream dos=new DataOutputStream(connection.getOutputStream());
            dos.write(paramJson.toJSONString().getBytes("UTF-8"));
            //dos.writeBytes(paramJson.toJSONString());
            int responseCode = connection.getResponseCode();
            if (responseCode != HttpURLConnection.HTTP_OK) {
                throw new BasicException(new BasicMessage("19901","网络连接失败"));
            }
            String result = getStringByStream(connection.getInputStream());
            if (result == null) {
                throw new BasicException(new BasicMessage("19901","网络连接失败"));
            }else{
                return result;
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new BasicException(new BasicMessage("19901","网络连接失败"));
        }
    }

    public static String post(String apiPath, JSONObject paramJson){
        HttpURLConnection connection=null;
        try {
            URL url = new URL(BaseHost+apiPath);
            connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(3000);
            connection.setReadTimeout(3000);
            connection.setRequestMethod("POST");
            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.setRequestProperty("content-type","application/json;charset=UTF-8");
            if(!apiPath.equals("/api/getToken")){
                connection.setRequestProperty("userToken","");
            }
            connection.connect();

            DataOutputStream dos=new DataOutputStream(connection.getOutputStream());
            dos.write(paramJson.toJSONString().getBytes("UTF-8"));
            //dos.writeBytes(paramJson.toJSONString());
            int responseCode = connection.getResponseCode();
            if (responseCode != HttpURLConnection.HTTP_OK) {
                throw new BasicException(new BasicMessage("19901","网络连接失败"));
            }
            String result = getStringByStream(connection.getInputStream());
            if (result == null) {
                throw new BasicException(new BasicMessage("19901","网络连接失败"));
            }else{
                return result;
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new BasicException(new BasicMessage("19901","网络连接失败"));
        }
    }

    private static String getStringByStream(InputStream inputStream){
        Reader reader;
        try {
            reader=new InputStreamReader(inputStream,"UTF-8");
            char[] rawBuffer=new char[512];
            StringBuffer buffer=new StringBuffer();
            int length;
            while ((length=reader.read(rawBuffer))!=-1){
                buffer.append(rawBuffer,0,length);
            }
            return buffer.toString();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }



    public static String get(String api, Map<String,Object> map){
        HttpURLConnection connection = null;
        try {

            StringBuilder urlParam = new StringBuilder();
            for(String key : map.keySet()){
                urlParam.append(key+"="+map.get(key).toString()+"&");
            }
            String param = urlParam.toString();
            if(param.contains("&")){
                param = param.substring(0,param.length()-1);
            }
            URL url = new URL(BaseHost+api+"?"+param);
            connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(3000);
            connection.setReadTimeout(3000);
            connection.setRequestMethod("GET");
            if(!api.equals("/api/getToken")){
                connection.setRequestProperty("authorization","");
            }

            //dos.writeBytes(paramJson.toJSONString());
            int responseCode = connection.getResponseCode();
            if (responseCode != HttpURLConnection.HTTP_OK) {
                return null;
            }
            String result = getStringByStream(connection.getInputStream());
            return result;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

}