package com.tuber.tuber;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.Button;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.GregorianCalendar;
import java.util.List;

import android.widget.TextView;
import android.widget.Toast;


import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.app.LoaderManager.LoaderCallbacks;
import android.util.Log;
import android.widget.Toast;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;

import com.android.volley.AuthFailureError;
import com.android.volley.Cache;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.google.gson.JsonArray;

import android.os.Build;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

import android.*;

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

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;


public class MainActivity extends AppCompatActivity {

    private Button find_tutor_button;
    private String token;
    private String username;

    private List<Entry> entries = new ArrayList<Entry>();


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.content_main);

        Toolbar myToolbar = (Toolbar) findViewById(R.id.my_toolbar);
        setSupportActionBar(myToolbar);

        token = getIntent().getStringExtra("token");
        username = getIntent().getStringExtra("username");

        final ListView EntryListView = (ListView) findViewById(R.id.list);
        final EntryAdapter EntryAdapter = new EntryAdapter(this, R.layout.list_item);
        EntryListView.setAdapter(EntryAdapter);

        // Populate the list, through the adapter
        for(final Entry entry : getEntries()) {
            EntryAdapter.add(entry);
        }

    }

    private List<Entry> getEntries() {

        // Let's setup some test data.
        // Normally this would come from some asynchronous fetch into a data source
        // such as a sqlite database, or an HTTP request
        // Creates the Volley request queue
        RequestQueue requestQueue = Volley.newRequestQueue(this);


        // Creating the JsonArrayRequest class called arrayreq, passing the required parameters
        //JsonURL is the URL to be fetched from
        JsonArrayRequest arrayreq = new JsonArrayRequest("https://cs.utm.utoronto.ca/~csc301app0/index.php/listings",
                // The second parameter Listener overrides the method onResponse() and passes
                //JSONArray as a parameter
                new Response.Listener<JSONArray>() {

                    // Takes the response from the JSON request
                    @Override
                    public void onResponse(JSONArray response) {
                        try {
                            // Retrieves first JSON object in outer array
                            JSONObject listing = new JSONObject();

                            for(int i = 0; i < response.length(); i++) {
                                Log.i("JsonObject: ", response.getJSONObject(i).toString());
                                listing = response.getJSONObject(i);

                                entries.add(
                                        new Entry(
                                                (String) listing.get("firstname"),
                                                "5/5",
                                                (String)listing.get("location"),
                                                R.drawable.arjun
                                        )
                                );
                            }


                        }
                        // Try and catch are included to handle any errors due to JSON
                        catch (JSONException e) {
                            // If an error occurs, this prints the error to the log
                            e.printStackTrace();
                        }
                    }
                },
                // The final parameter overrides the method onErrorResponse() and passes VolleyError
                //as a parameter
                new Response.ErrorListener() {
                    @Override
                    // Handles errors that occur due to Volley
                    public void onErrorResponse(VolleyError error) {
                        Log.e("Volley", "Error");
                    }
                }
        );

        requestQueue.add(arrayreq);

        return entries;
    }

    /*
    query = something like "CSC3**" or "CSC384" or "CSC***".
    Should change the list contents to only tutors who are down to tutor that subject
        - to change, need to clear
        - then (like in getEntries) create entries
        - then add all these entries
     */
    public void doSearch(String query){

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.profile:
                // User chose the "Settings" item, show the app settings UI...
                Intent intent = new Intent(this, Tutor_Main_Page.class);
                intent.putExtra("token", token);
                intent.putExtra("username", username);
                this.startActivity(intent);
                return true;

            case R.id.signout:
                // User chose the "Favorite" action, mark the current item
                // as a favorite...
                this.startActivity(new Intent(this,LoginActivity.class));
                return true;

            case R.id.changepass:
                // User chose the "Favorite" action, mark the current item
                // as a favorite...
                this.startActivity(new Intent(this,ChangePassword.class));
                return true;

            default:
                // If we got here, the user's action was not recognized.
                // Invoke the superclass to handle it.
                return super.onOptionsItemSelected(item);

        }
    }

}