import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.PorterDuff;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v7.content.res.AppCompatResources;
import android.support.v7.widget.AppCompatTextView;
import android.text.TextUtils;
import android.util.AttributeSet;

public class ButtonTextView extends AppCompatTextView {

    public ButtonTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(attrs, context);
    }

    public ButtonTextView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(attrs, context);
    }

    private void init(AttributeSet attrs, Context context) {
        if (attrs != null) {
            TypedArray a = getContext().getTheme().obtainStyledAttributes(attrs, R.styleable.ButtonTextView, 0, 0);

            int colorFilter = a.getColor(R.styleable.ButtonTextView_colorFilter, 0xffffffff);

            Drawable drawableLeft = null;
            Drawable drawableRight = null;
            Drawable drawableBottom = null;
            Drawable drawableTop = null;

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {

                drawableLeft = a.getDrawable(R.styleable.ButtonTextView_drawableLeftCompat);

                drawableRight = a.getDrawable(R.styleable.ButtonTextView_drawableRightCompat);

                drawableTop = a.getDrawable(R.styleable.ButtonTextView_drawableTopCompat);

                drawableBottom = a.getDrawable(R.styleable.ButtonTextView_drawableBottomCompat);

            } else {
                final int drawableLeftId = a.getResourceId(R.styleable.ButtonTextView_drawableLeftCompat, 0);

                final int drawableRightId = a.getResourceId(R.styleable.ButtonTextView_drawableRightCompat, 0);

                final int drawableTopId = a.getResourceId(R.styleable.ButtonTextView_drawableTopCompat, 0);

                final int drawableBottomId = a.getResourceId(R.styleable.ButtonTextView_drawableBottomCompat, 0);

                if (drawableLeftId != 0) {
                    drawableLeft = AppCompatResources.getDrawable(context, drawableLeftId);
                }

                if (drawableRightId != 0) {
                    drawableRight = AppCompatResources.getDrawable(context, drawableRightId);
                }

                if (drawableTopId != 0) {
                    drawableTop = AppCompatResources.getDrawable(context, drawableTopId);
                }

                if (drawableBottomId != 0) {
                    drawableBottom = AppCompatResources.getDrawable(context, drawableBottomId);
                }
            }

            if (drawableLeft != null) {
                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                    drawableLeft.mutate().setColorFilter(colorFilter, PorterDuff.Mode.SRC_IN);
                } else {
                    DrawableCompat.setTint(drawableLeft, colorFilter);
                }
            }

            if (drawableRight != null) {
                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                    drawableRight.mutate().setColorFilter(colorFilter, PorterDuff.Mode.SRC_IN);
                } else {
                    DrawableCompat.setTint(drawableRight, colorFilter);
                }
            }


            if (drawableTop != null) {
                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                    drawableTop.mutate().setColorFilter(colorFilter, PorterDuff.Mode.SRC_IN);
                } else {
                    DrawableCompat.setTint(drawableTop, colorFilter);
                }
            }

            if (drawableBottom != null) {
                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                    drawableBottom.mutate().setColorFilter(colorFilter, PorterDuff.Mode.SRC_IN);
                } else {
                    DrawableCompat.setTint(drawableBottom, colorFilter);
                }
            }

            if (drawableLeft != null) {
                drawableLeft.setBounds(0, 0, drawableLeft.getIntrinsicWidth(), drawableLeft.getIntrinsicHeight());
            }

            if (drawableRight != null) {
                drawableRight.setBounds(0, 0, drawableRight.getIntrinsicWidth(), drawableRight.getIntrinsicHeight());
            }

            if (drawableTop != null) {
                drawableTop.setBounds(0, 0, drawableTop.getIntrinsicWidth(), drawableTop.getIntrinsicHeight());
            }

            if (drawableBottom != null) {
                drawableBottom.setBounds(0, 0, drawableBottom.getIntrinsicWidth(), drawableBottom.getIntrinsicHeight());
            }

            setCompoundDrawablesRelative(drawableLeft, drawableTop, drawableRight, drawableBottom);

            String fontName = a.getString(R.styleable.ButtonTextView_font_name);
            if (!TextUtils.isEmpty(fontName)) {
                Typeface tf = Typeface.createFromAsset(getContext().getAssets(),
                        "fonts/".concat(fontName));
                setTypeface(tf);
            }

            a.recycle();
        }
    }
}