package com.example.dileep.doubtszone;

import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

public class FinallyAnswerQuery extends AppCompatActivity {

    TextView tvusername,tvusernamecontent,tvyear,tvyearcontent,tvquestion,tvquestioncontent,tvanswer;
    Button btanswer;
    EditText etanswer;
    UserSessionData userSessionData;
    User user;
    String json_string="",qid="",repliedby="",qdesc="";
    JSONObject jsonObject;
    JSONArray jsonArray;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.finally_answer_query);
        tvusername=(TextView)findViewById(R.id.finally_answer_query_tvUsername);
        tvusernamecontent=(TextView)findViewById(R.id.finally_answer_query_tvUsernameContent);
        tvyear=(TextView)findViewById(R.id.finally_answer_query_tvYear);
        tvyearcontent=(TextView)findViewById(R.id.finally_answer_query_tvYearContent);
        tvquestion=(TextView)findViewById(R.id.finally_answer_query_tvQuestion);
        tvquestioncontent=(TextView)findViewById(R.id.finally_answer_query_tvQuestionContent);
        tvanswer=(TextView)findViewById(R.id.finally_answer_query_tvAnswer);
        etanswer=(EditText)findViewById(R.id.finally_answer_query_etAnswer);
        btanswer=(Button)findViewById(R.id.finally_answer_query_btAnswer);
        ConnectivityManager connectivityManager=(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo=connectivityManager.getActiveNetworkInfo();
        if(!(networkInfo!=null && networkInfo.isConnected())){
            Toast.makeText(this, "No internet connection found ", Toast.LENGTH_SHORT).show();
            startActivity(new Intent(this, FacultyHome.class));
        }
        else{
            userSessionData=new UserSessionData(this);
            user=userSessionData.getUserLoggedIn();
            if(user==null){
                startActivity(new Intent(this,LoginPage.class));
            }
            else{
                tvusernamecontent.setText(getIntent().getStringExtra("username"));
                tvyearcontent.setText(getIntent().getStringExtra("year"));
                qdesc=getIntent().getStringExtra("qdesc")+"?";
                tvquestioncontent.setText(qdesc);
                qid=getIntent().getStringExtra("qid");
                repliedby=user.username;
            }
        }


    }

    @Override
    public void onBackPressed() {
        super.onBackPressed();
        startActivity(new Intent(this, AnswerQuery.class));
    }
    public void onAnswerQueryClick(View view){
        ConnectivityManager connectivityManager=(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo=connectivityManager.getActiveNetworkInfo();
        if(!(networkInfo!=null && networkInfo.isConnected()))
        {
            Toast.makeText(this, "No internet connection found ", Toast.LENGTH_SHORT).show();
        }
        else {
            if(etanswer.getText().toString().trim().length()<1){
                Toast.makeText(FinallyAnswerQuery.this, "Enter the answer", Toast.LENGTH_SHORT).show();
            }
            else{
                AnswerQueryTask answerQueryTask=new AnswerQueryTask();
                answerQueryTask.execute(qid,etanswer.getText().toString().trim(),repliedby);
                }


        }
    }

    class AnswerQueryTask extends AsyncTask<String,Void,String> {

        String login_url="";

        private ProgressDialog pd;
        @Override
        protected void onPreExecute() {
            login_url="http://jntuknews.com/Answer_Query.php";
            pd = new ProgressDialog(FinallyAnswerQuery.this);
            pd.setTitle("Submitting answer ...");
            pd.setMessage("Please wait...");
            pd.setCancelable(false);
            pd.setIndeterminate(true);
            pd.show();
        }

        @Override
        protected String doInBackground(String... params) {
            String id=params[0],ans=params[1],rby=params[2];
            try {
                URL url=new URL(login_url);
                URLConnection urlConnection=url.openConnection();
                urlConnection.setDoOutput(true);
                OutputStreamWriter outputStreamWriter=new OutputStreamWriter(urlConnection.getOutputStream());
                String data = URLEncoder.encode("id", "UTF-8")+"="+URLEncoder.encode(id,"UTF-8")+"&"+
                              URLEncoder.encode("answer", "UTF-8")+"="+URLEncoder.encode(ans,"UTF-8")+"&"+
                              URLEncoder.encode("replied_by", "UTF-8")+"="+URLEncoder.encode(rby,"UTF-8");
                outputStreamWriter.write(data);
                outputStreamWriter.flush();
                BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
                StringBuilder stringBuilder=new StringBuilder();
                while ((json_string=bufferedReader.readLine())!=null)
                {
                    stringBuilder.append(json_string+"\n");
                }
                outputStreamWriter.close();
                bufferedReader.close();
                return stringBuilder.toString().trim();
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

            return null;
        }

        @Override
        protected void onProgressUpdate(Void... values) {
            super.onProgressUpdate(values);
        }

        @Override
        protected void onPostExecute(String result) {
            try {
                jsonObject=new JSONObject(result);
                jsonArray=jsonObject.getJSONArray("server_response");
                int count=0;
                String message="";
                while(count<jsonArray.length()) {
                    JSONObject jsonObject1 = jsonArray.getJSONObject(count);
                    message = jsonObject1.getString("message");
                    count++;
                }
                AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(FinallyAnswerQuery.this);
                switch (message){
                    case "1":dialogBuilder.setMessage("Answered query Successfully");
                        dialogBuilder.setPositiveButton("Ok", null);
                        dialogBuilder.show();
                        startActivity(new Intent(FinallyAnswerQuery.this, AnswerQuery.class));
                        break;
                    case "2":dialogBuilder.setMessage("Error in answering the question");
                        dialogBuilder.setPositiveButton("Ok", null);
                        dialogBuilder.show();
                        break;
                    case "3":dialogBuilder.setMessage("Query already answered");
                        dialogBuilder.setPositiveButton("Ok", null);
                        dialogBuilder.show();
                        startActivity(new Intent(FinallyAnswerQuery.this,AnswerQuery.class));
                             break;
                }


            } catch (JSONException e) {
                Toast.makeText(FinallyAnswerQuery.this, "Error in json parsing", Toast.LENGTH_SHORT).show();
                e.printStackTrace();
            }
            if (pd!=null) {
                pd.dismiss();
            }
        }
    }
}