package com.example.testapp.app;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Spinner;
import android.widget.ArrayAdapter;

public class MainActivity extends ActionBarActivity {
    private Spinner spinnerCategories, spinnerValue1, spinnerValue2;
    private String[] spinnerTemperatureList, spinnerLengthList, spinnerVolumeList, spinnerWeightList;

    private void updateCategory(int catNumber) {
        switch (catNumber) {
            case 0: // Temperature
                spinnerValue1.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerTemperatureList));
                spinnerValue2.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerTemperatureList));
                break;
            case 1: // Length
                spinnerValue1.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerLengthList));
                spinnerValue2.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerLengthList));
                break;
            case 2: // Volume
                spinnerValue1.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerVolumeList));
                spinnerValue2.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerVolumeList));
                break;
            case 3: // Weight
                spinnerValue1.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerWeightList));
                spinnerValue2.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, spinnerWeightList));
                break;
        }
    }

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

        spinnerCategories = (Spinner) findViewById(R.id.spinnerCategories);
        spinnerValue1 = (Spinner) findViewById(R.id.spinnerValue1);
        spinnerValue2 = (Spinner) findViewById(R.id.spinnerValue2);
        spinnerTemperatureList = getResources().getStringArray(R.array.spinnerTemperatureList);
        spinnerLengthList = getResources().getStringArray(R.array.spinnerLengthList);
        spinnerVolumeList = getResources().getStringArray(R.array.spinnerVolumeList);
        spinnerWeightList = getResources().getStringArray(R.array.spinnerWeightList);

        spinnerCategories.setOnItemSelectedListener(new OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                updateCategory(position);
            }
            @Override
            public void onNothingSelected(AdapterView<?> arg0) {}
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}