package com.alorma.github.ui.activity;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.widget.CompoundButton;
import com.alorma.github.R;
import com.alorma.github.ui.activity.base.BackActivity;
import com.alorma.github.ui.adapter.LanguagesAdapter;
import java.util.Arrays;
import java.util.List;

public class LanguagesActivity extends BackActivity implements LanguagesAdapter.LanguageSelectedListener {

  public static final String EXTRA_LANGUAGE = "EXTRA_LANGUAGE";
  private LanguagesAdapter adapter;

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

    if (getToolbar() != null) {
      ViewCompat.setElevation(getToolbar(), getResources().getDimension(R.dimen.gapSmall));
    }

    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler);
    recyclerView.setLayoutManager(new GridLayoutManager(this, 2));

    adapter = new LanguagesAdapter(LayoutInflater.from(this));
    adapter.setLanguageSelectedListener(this);
    recyclerView.setAdapter(adapter);

    CompoundButton switchAllLanguages = (CompoundButton) findViewById(R.id.allLanguagesSwitch);

    loadList(false);

    switchAllLanguages.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
      @Override
      public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
        loadList(isChecked);
      }
    });
  }

  private void loadList(boolean showAllLanguages) {
    int languagesRes = showAllLanguages ? R.array.default_languages : R.array.available_languages;
    String[] languages = getResources().getStringArray(languagesRes);
    updateAdapter(Arrays.asList(languages));
  }

  private void updateAdapter(List<String> strings) {
    adapter.clear();
    adapter.addAll(strings);
  }

  @Override
  public void onLanguageSelected(String language) {
    Intent data = new Intent();
    data.putExtra(EXTRA_LANGUAGE, language);
    setResult(RESULT_OK, data);
    finish();
  }
}