package com.example.lookifyv2;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.os.Bundle;

import android.os.AsyncTask;

import android.os.Bundle;

import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

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

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Results extends AppCompatActivity {

    private static final String TAG = MainActivity.class.getSimpleName();
    private List<Product> products;
    private RecyclerView recyclerView;
    private GridLayoutManager gridLayout;
    private ProductsAdapter adapter;


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

        recyclerView = findViewById(R.id.recyclerview);
        products = new ArrayList<>();
        getProductsFromDB(0);

        gridLayout = new GridLayoutManager(this, 2);
        recyclerView.setLayoutManager(gridLayout);

        adapter = new ProductsAdapter(this, products);
        recyclerView.setAdapter(adapter);

        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {

                if (gridLayout.findLastCompletelyVisibleItemPosition() == products.size() - 1) {
                    getProductsFromDB(products.get(products.size() - 1).getId());
                }

            }
        });
    }

    private void getProductsFromDB(int id) {

        @SuppressLint("StaticFieldLeak") AsyncTask<Integer, Void, Void> asyncTask = new AsyncTask<Integer, Void, Void>() {
            @Override
            protected Void doInBackground(Integer... productIds) {

                OkHttpClient client = new OkHttpClient();
                Request request = new Request.Builder()
                        .url("http://192.168.8.101/products.php?id=" + productIds[0]) //???????????????????
                        .build();
                try {
                    Response response = client.newCall(request).execute();

                    JSONArray array = new JSONArray(response.body().string());

                    for (int i = 0; i < array.length(); i++) {

                        JSONObject object = array.getJSONObject(i);

                        Product product = new Product(object.getInt("id"), object.getString("product_code"),
                                object.getString("product_name"), object.getString("product_image"),
                                object.getString("product_price"), object.getString("product_retailer"),
                                object.getString("product_colour"), object.getString("product_style"),
                                object.getString("product_collection"),
                                object.getString("product_type"), object.getString("product_sex"));

                        Results.this.products.add(product);
                    }


                } catch (IOException e) {
                    e.printStackTrace();
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(Void aVoid) {
                adapter.notifyDataSetChanged();
            }
        };

        asyncTask.execute(id);
    }

}