package horizonideas.allergeen_app;


import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v7.widget.SwitchCompat;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import horizonideas.allergeen_app.models.Allergy;

import static android.content.Context.MODE_PRIVATE;

/**
 * A simple {@link Fragment} subclass.
 */
public class AllergyProfileFragment extends Fragment {

    SharedPreferences sharedPreferences;
    public static final String selectedAllergies = "selectedAllergies";
    public Set<String> set;
    public Map<Integer, Allergy> map = AllergyRegister.getInstance().getAllAllergies();
    public SharedPreferences.Editor editor;
    public LinearLayout list;
    public LinearLayout wheatlist;
    public DisplayMetrics dm;
    public ImageView dropIcon;
    public LinearLayout wheatHeader;
    public boolean visibility;
    public Set<Integer> wheatIds = new HashSet<Integer>();

    public AllergyProfileFragment() {

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.fragment_allergy_profile, container, false);

        sharedPreferences = getActivity().getSharedPreferences(selectedAllergies, Context.MODE_PRIVATE);
        editor = getActivity().getSharedPreferences(selectedAllergies, MODE_PRIVATE).edit();
        set = sharedPreferences.getStringSet("List", new HashSet<String>());

        dm = getResources().getDisplayMetrics();

        list = (LinearLayout) v.findViewById(R.id.list);

            for(final Allergy allergy : map.values()) {

                drawAllergy(allergy);
            }


        return v;
    }

    @Override
    public void onPause(){
        super.onPause();
        final Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            public void run() {
                editor.putStringSet("List", set);
                editor.commit();
            }
        }, 500);

    }

    public void drawAllergy(final Allergy allergy){
        final LinearLayout row = new LinearLayout(getActivity());
        LinearLayout.LayoutParams params5 = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
        params5.setMargins(0,0, getResources().getDimensionPixelOffset(R.dimen.margins), 0);
        row.setOrientation(LinearLayout.HORIZONTAL);

        LinearLayout allergyIconLayout = new LinearLayout(getActivity());
        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        params.setMargins(getResources().getDimensionPixelSize(R.dimen.margins), getResources().getDimensionPixelSize(R.dimen.margins), getResources().getDimensionPixelSize(R.dimen.margins), getResources().getDimensionPixelSize(R.dimen.margins));
        allergyIconLayout.setLayoutParams(params);

        // Create LayoutParams for it // Note 200 200 is width, height in pixels
        RelativeLayout.LayoutParams params2 = new RelativeLayout.LayoutParams(toPixels(dm, 26),toPixels(dm, 26));
        // Align bottom-right, and add bottom-margin
        params2.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
        params2.addRule(RelativeLayout.CENTER_IN_PARENT);


        ImageView image = new ImageView (getActivity());
        image.setLayoutParams(new ViewGroup.LayoutParams((toPixels(dm, 46)), (toPixels(dm, 46))));
        String name = allergy.RoundIcon;
        int id = getResources().getIdentifier(name, "drawable", getActivity().getPackageName());
        Drawable drawable = getResources().getDrawable(id);
        image.setImageDrawable(drawable);

        image.setMaxHeight((toPixels(dm, 46)));
        image.setMaxWidth((toPixels(dm, 46)));
        image.setAdjustViewBounds(true);
        image.setLayoutParams(params);


        ImageView divider = new ImageView(getActivity());
        divider.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 1));
        divider.setBackgroundColor(Color.GRAY);

        TextView textView = new TextView(getActivity());
        textView.setTextSize(16);
        textView.setTypeface(null, Typeface.BOLD);
        textView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT));
        textView.setGravity(Gravity.CENTER_VERTICAL);
        textView.setText(allergy.Name);

        final SwitchCompat switc = new SwitchCompat(getActivity());
        switc.setLayoutParams(params5);
        switc.setTag(allergy.ProductAllergyID);

        switc.setChecked(sharedPreferences.getBoolean("" + allergy.ProductAllergyID, false));

        switc.setGravity(Gravity.CENTER_VERTICAL + Gravity.END);
        switc.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (isChecked) {

                    editor.putBoolean(buttonView.getTag().toString(), true);
                    set.add(String.valueOf(allergy.ProductAllergyID));
                    editor.commit();
                } else {
                    editor.putBoolean(buttonView.getTag().toString(), false);
                    set.remove(String.valueOf(allergy.ProductAllergyID));
                    editor.commit();
                }
            }
        });

        row.addView(image);
        row.addView(textView);
        row.addView(switc);

        list.addView(row);
        list.addView(divider);



    }


    public static int toPixels(DisplayMetrics metrics, int dp) {
        return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, metrics));
    }

}