package com.wiagames;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;

/**
 * FastTextView class for fast text changing
 */
public class FastTextView extends View {

    private Context mContext;
    private CharSequence mText = "";
    private int mTextSize;

    private Paint mPaint;

    public void setText(CharSequence text) {
        mText = text;
    }

    public FastTextView(Context context) {
        super(context);

        initialize();
    }

    public FastTextView(Context context, AttributeSet attrs) {
        super(context, attrs);

        initialize();
        initializeAttributes(attrs);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

        Rect rect = new Rect();
        mPaint.getTextBounds(mText.toString(), 0, mText.length(), rect);

        int width = Math.max(rect.width(), getSuggestedMinimumWidth());
        int height = Math.max(rect.height(), getSuggestedMinimumHeight());

        setMeasuredDimension(width, height);
    }

    /**
     * Initialize the view
     */
    private void initialize() {
        mContext = getContext();
        mPaint = new Paint();
        mPaint.setColor(Color.RED);
        mPaint.setStyle(Paint.Style.FILL);
        setBackgroundColor(Color.GREEN);
    }

    /**
     * Initialize the view's attributes
     */
    private void initializeAttributes(AttributeSet attrs) {
        TypedArray attributes = mContext.obtainStyledAttributes(attrs, R.styleable.FastTextView);

        CharSequence text = attributes.getText(R.styleable.FastTextView_text);
        if (text != null) {
            mText = text;
        }

        int textSize = attributes.getInt(R.styleable.FastTextView_textSize, -1);
        if (textSize != -1) {
            mTextSize = textSize;
        }

        // FIXME
        mText = "Test";
        mTextSize = 200;
        mPaint.setTextSize(mTextSize);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        if (mText.length() > 0) {
            canvas.drawText(mText, 0, mText.length() - 1, 0, 0, mPaint);
        }
    }
}