package com.demo.lib.common.emotion;

import android.os.Bundle;
import androidx.fragment.app.Fragment;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;

import com.lcjian.lcjianlibrary.R;
import com.demo.lib.common.util.common.DimenUtils;

public class EmotionGridFragment extends Fragment {

    public static final View EmotionTextView = null;
    
    private OnEditListener mOnEditListener;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        EmotionHandler.initEmotion(getActivity());
        return inflater.inflate(R.layout.emotion_grid, container, false);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        GridView gridView = view.findViewById(R.id.gv_emotion);
        gridView.setAdapter(new EmotionAdapter());
        gridView.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                CharSequence text = ((EmotionTextView) view).getText();
                if (text.toString().equals("[退格键]")) {
                    if (mOnEditListener != null) {
                        mOnEditListener.onBack();
                    }
                } else {
                    if (mOnEditListener != null) {
                        mOnEditListener.onAdd(text);
                    }
                }
            }
        });
    }
    
    private class EmotionAdapter extends BaseAdapter {

        private String[] thumbArray;

        public EmotionAdapter() {
            thumbArray = EmotionHandler.faceMap.keySet().toArray(new String[] {});
        }

        @Override
        public int getCount() {
            return thumbArray.length;
        }

        @Override
        public Object getItem(int position) {
            return thumbArray[position];
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = new EmotionTextView(parent.getContext());
                convertView.setLayoutParams(new GridView.LayoutParams(
                        DimenUtils.dipToPixels(40, parent.getContext()), DimenUtils.dipToPixels(40, parent.getContext())));
            }
            ((EmotionTextView) convertView).setGravity(Gravity.CENTER);
            if (position == thumbArray.length - 1) {
                ((EmotionTextView) convertView).setEmotionWidth(DimenUtils.dipToPixels(25, parent.getContext()));
                ((EmotionTextView) convertView).setEmotionHeight(DimenUtils.dipToPixels(17, parent.getContext()));
            } else {
                ((EmotionTextView) convertView).setEmotionWidth(DimenUtils.dipToPixels(33, parent.getContext()));
                ((EmotionTextView) convertView).setEmotionHeight(DimenUtils.dipToPixels(28, parent.getContext()));
            }
            ((EmotionTextView) convertView).setText(thumbArray[position]);
            return convertView;
        }
    }
    
    public OnEditListener getOnEditListener() {
        return mOnEditListener;
    }

    public void setOnEditListener(OnEditListener onEditListener) {
        this.mOnEditListener = onEditListener;
    }

    public interface OnEditListener {
        void onBack();
        void onAdd(CharSequence text);
    }
}