package com.fr.plugin.oauth.utils;

import com.fr.base.ServerConfig;
import com.fr.json.JSONObject;
import com.fr.third.fasterxml.jackson.core.JsonParseException;
import com.fr.third.fasterxml.jackson.databind.DeserializationFeature;
import com.fr.third.fasterxml.jackson.databind.JsonMappingException;
import com.fr.third.fasterxml.jackson.databind.ObjectMapper;

import javax.net.ssl.HttpsURLConnection;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class HttpUtils {
    private static ObjectMapper mapper = new ObjectMapper();

    static {
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    }

    public static String getRequestPayload(HttpServletRequest req) {
        StringBuilder sb = new StringBuilder();
        try (BufferedReader reader = req.getReader();) {
            char[] buff = new char[1024];
            int len;
            while ((len = reader.read(buff)) != -1) {
                sb.append(buff, 0, len);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return sb.toString();
    }

    public static <T> T json2Object(String json, Class<T> typeRef) {
        try {
            return (T) mapper.readValue(json, typeRef);
        } catch (JsonParseException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
        }
        return null;
    }

    public static String object2Json(Object ok) {
        try {
            return mapper.writeValueAsString(ok);
        } catch (JsonParseException e) {
        } catch (JsonMappingException e) {
        } catch (IOException e) {
        }
        return "";
    }

    public JSONObject createResp(String uid, String reqId) {
        JSONObject json = new JSONObject();
        json.put("uid", uid);
        json.put("bimRequestId", reqId);
        json.put("resultCode", "0");
        json.put("message", "success");
        return json;
    }


    private static String getParam(Map<String, String> var0, String enc) {
        String var1 = "";
        Set var2 = var0.keySet();
        Iterator var3 = var2.iterator();

        while (var3.hasNext()) {
            String var4 = (String) var3.next();
            String var5 = var0.get(var4) + "";

            try {
                var1 = var1 + (var1.length() == 0 ? "" : "&") + URLEncoder.encode(var4, enc) + "=" + URLEncoder.encode(var5, enc);
            } catch (Exception var7) {
                ;
            }
        }

        return var1;
    }

    public static boolean isHttps(URL url) {
        return url.getProtocol().toLowerCase().equals("https");
    }

    public static String get(String path, Map<String, String> param) {
        String paramStr = getParam(param, ServerConfig.getInstance().getServerCharset());
        BufferedReader input = null;
        StringBuilder sb = null;
        URL url = null;
        HttpURLConnection con = null;
        try {
            url = new URL(path + (paramStr.length() > 0 ? "?" + paramStr.toString() : ""));
            if (isHttps(url)) {
                HttpsUtils.trustAllHosts();
                HttpsURLConnection httpsCon = (HttpsURLConnection) url.openConnection();
                httpsCon.setHostnameVerifier(HttpsUtils.DO_NOT_VERIFY);
                con = httpsCon;
            } else {
                con = (HttpURLConnection) url.openConnection();
            }

            con.setRequestProperty("accept", "*/*");
            con.setRequestMethod("GET");
            con.setRequestProperty("Accept-Charset", "UTF-8");

            input = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"));
            sb = new StringBuilder();
            String s;
            while ((s = input.readLine()) != null) {
                sb.append(s).append("\n");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // close buffered
            if (input != null) {
                try {
                    input.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            // disconnecting releases the timescroller held by a connection so they may be closed or reused
            if (con != null) {
                con.disconnect();
            }
        }
        return sb == null ? null : sb.toString();
    }


    public static String post(String path, Map<String, String> param) {
        String paramStr = getParam(param, ServerConfig.getInstance().getServerCharset());
        PrintWriter writer = null;
        BufferedReader reader = null;
        HttpURLConnection con = null;
        String result = "";

        try {
            URL url = new URL(path);
            if (isHttps(url)) {
                HttpsUtils.trustAllHosts();
                HttpsURLConnection httpsCon = (HttpsURLConnection) url.openConnection();
                httpsCon.setHostnameVerifier(HttpsUtils.DO_NOT_VERIFY);
                con = httpsCon;
            } else {
                con = (HttpURLConnection) url.openConnection();
            }

            con.setRequestProperty("accept", "*/*");
            con.setRequestProperty("connection", "Keep-Alive");
            //con.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
//            var8.setRequestProperty("Accept-Charset", "UTF-8");
            con.setRequestMethod("POST");
            con.setDoOutput(true);
            con.setDoInput(true);
            writer = new PrintWriter(con.getOutputStream());
            writer.print(paramStr);
            writer.flush();

            String line;
            for (reader = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8")); (line = reader.readLine()) != null; result = result + line) {
                ;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (writer != null) {
                    writer.close();
                }

                if (reader != null) {
                    reader.close();
                }
            } catch (Exception var17) {
                ;
            }

        }

        return result;
    }
}