package com.dropix.onerz.views;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.View;

import com.dropix.onerz.R;

public class CircularProgressBar extends View {
    private float mRadius;
    private float mProgress;
    private Paint mCirclePaint;
    private Paint mInnerCirclePaint;
    private Paint mBigTextPaint, mSmallTextPaint;
    private RectF mOval;
    private int mNormalColor, mProgressColor;
    private String mBigText, mSmallText;
    private Rect mBigRect, mSmallRect;
    private int width, height;
    private Resources resources;

    public CircularProgressBar(Context context, AttributeSet attrs) {
        super(context, attrs);
        this.resources = getResources();
        mCirclePaint = new Paint();
        mCirclePaint.setStyle(Paint.Style.STROKE);
        mCirclePaint.setStrokeWidth(resources.getDimension(R.dimen.discovery_process_circle_thickness));
        mInnerCirclePaint = new Paint();
        mInnerCirclePaint.setStyle(Paint.Style.FILL);
        mInnerCirclePaint.setColor(resources.getColor(R.color.discovery_inner_circle));
        mBigTextPaint = new Paint();
        mBigTextPaint.setColor(resources.getColor(R.color.discovery_circle_big_text));
        mSmallTextPaint = new Paint();
        mSmallTextPaint.setColor(resources.getColor(R.color.discovery_circle_small_text));
        mRadius = resources.getDimension(R.dimen.discovery_process_circle_radius);
        mProgressColor = resources.getColor(R.color.blue);
        mNormalColor = resources.getColor(R.color.discovery_circle_empty_arc);
        mBigRect = new Rect();
        mSmallRect = new Rect();
    }

    public void setText(String bigText, float bigTextSize, String smallText, float smallTextSize, Typeface font) {
        mBigTextPaint.setTypeface(font);
        mBigTextPaint.setTextSize(bigTextSize);
        mSmallTextPaint.setTypeface(font);
        mSmallTextPaint.setTextSize(smallTextSize);

        this.mBigText = bigText;
        this.mSmallText = smallText;

        mBigTextPaint.getTextBounds(bigText, 0, bigText.length(), mBigRect);
        mSmallTextPaint.getTextBounds(smallText, 0, smallText.length(), mSmallRect);
    }

    public void setProgressColor(int progressColor) {
        this.mProgressColor = progressColor;
    }

    public void setProgress(float progress) {
        this.mProgress = progress;
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        super.onSizeChanged(w, h, oldw, oldh);
        mOval = new RectF(w / 2 - mRadius, h / 2 - mRadius, w / 2 + mRadius, h / 2 + mRadius);
        this.width = w;
        this.height = h;
    }

    @Override
    protected synchronized void onDraw(Canvas canvas) {
        // Fill inner circle
        canvas.drawCircle(getWidth() / 2, getHeight() / 2, mRadius, mInnerCirclePaint);

        // Draws the circle
        if (mProgress < 100) {
            mCirclePaint.setColor(mProgressColor);
            canvas.drawArc(mOval, 271, (mProgress - 1) * 3.6f, false, mCirclePaint);
            mCirclePaint.setColor(mNormalColor);
            canvas.drawArc(mOval, 271 + (mProgress) * 3.6f, (100 - mProgress - 1) * 3.6f, false, mCirclePaint);
        }
        else {
            mCirclePaint.setColor(mProgressColor);
            canvas.drawCircle(getWidth() / 2, getHeight() / 2, mRadius, mCirclePaint);
        }

        // Draws the big text
        canvas.drawText(mBigText, width / 2 - mBigRect.right / 2, height / 2, mBigTextPaint);

        // Draws the small text
        canvas.drawText(mSmallText, width / 2 - mSmallRect.right / 2, height / 2 - mSmallRect.top, mSmallTextPaint);
    }
}