package com.material.components.activity.tabs;

import android.os.Bundle;
import com.google.android.material.tabs.TabLayout;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;
import androidx.viewpager.widget.ViewPager;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.material.components.R;
import com.material.components.utils.Tools;

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

public class TabsBasic extends AppCompatActivity {

    private ViewPager view_pager;
    private TabLayout tab_layout;

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

        initToolbar();
        initComponent();

    }

    private void initToolbar() {
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setNavigationIcon(R.drawable.ic_menu);
        setSupportActionBar(toolbar);
        getSupportActionBar().setTitle("Basic");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        Tools.setSystemBarColor(this);
    }

    private void initComponent() {
        view_pager = (ViewPager) findViewById(R.id.view_pager);
        setupViewPager(view_pager);

        tab_layout = (TabLayout) findViewById(R.id.tab_layout);
        tab_layout.setupWithViewPager(view_pager);
    }

    private void setupViewPager(ViewPager viewPager) {
        SectionsPagerAdapter adapter = new SectionsPagerAdapter(getSupportFragmentManager());
        adapter.addFragment(PlaceholderFragment.newInstance(1), "ITEM ONE");
        adapter.addFragment(PlaceholderFragment.newInstance(2), "ITEM TWO");
        adapter.addFragment(PlaceholderFragment.newInstance(3), "ITEM THREE");
        viewPager.setAdapter(adapter);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_search_setting, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
        } else {
            Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
        }
        return super.onOptionsItemSelected(item);
    }

    public static class PlaceholderFragment extends Fragment {
        private static final String ARG_SECTION_NUMBER = "section_number";

        public PlaceholderFragment() {
        }

        public static PlaceholderFragment newInstance(int sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_tabs_basic, container, false);
            TextView textView = (TextView) rootView.findViewById(R.id.section_label);
            textView.setText(getString(R.string.section_format, getArguments().getInt(ARG_SECTION_NUMBER)));
            return rootView;
        }
    }

    private class SectionsPagerAdapter extends FragmentPagerAdapter {

        private final List mFragmentList = new ArrayList<>();
        private final List mFragmentTitleList = new ArrayList<>();

        public SectionsPagerAdapter(FragmentManager manager) {
            super(manager);
        }

        @Override
        public Fragment getItem(int position) {
            return mFragmentList.get(position);
        }

        @Override
        public int getCount() {
            return mFragmentList.size();
        }

        public void addFragment(Fragment fragment, String title) {
            mFragmentList.add(fragment);
            mFragmentTitleList.add(title);
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return mFragmentTitleList.get(position);
        }
    }
}