//
//  ViewController.m
//  GestaltSmile
//
//  Created by MizushimaYusuke on 7/27/16.
//  Copyright © 2016 MizushimaYusuke. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (nonatomic, weak) UIView *smilePullTab;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor colorWithHue:0.7 saturation:0.9 brightness:0.3 alpha:1];
    [self randomDotAndLine];
    [self createSmilePullTab];
}

- (void)randomDotAndLine {

    UIBezierPath *path = [UIBezierPath bezierPathWithArcCenter:CGPointZero radius:20 startAngle:0 endAngle:M_PI * 0.4 clockwise:YES];

    for (int i=0; i<30; i++) {

        float x = arc4random() % 300 + 10;
        float y = arc4random() % 500 + 100;

        CAShapeLayer *mouth = [CAShapeLayer layer];
        mouth.path = path.CGPath;
        mouth.fillColor = [UIColor clearColor].CGColor;
        mouth.strokeColor = [UIColor whiteColor].CGColor;
        mouth.position = CGPointMake(x, y);
        [self.view.layer addSublayer:mouth];
    }

    for (int i=0; i<60; i++) {

        float x = arc4random() % 300 + 10;
        float y = arc4random() % 500 + 100;

        CALayer *dot = [CALayer layer];
        dot.frame = CGRectMake(x, y, 10, 10);
        dot.cornerRadius = 5;
        dot.backgroundColor = [UIColor whiteColor].CGColor;
        [self.view.layer addSublayer:dot];
    }

}

- (void)createSmilePullTab {
    UIBezierPath *path = [UIBezierPath bezierPathWithArcCenter:CGPointZero radius:30 startAngle:0 endAngle:2.0 * M_PI clockwise:YES];
    UIView *tab = [[UIView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(self.view.bounds) - 10, CGRectGetMidY(self.view.bounds) + 100, 100, 60)];
    tab.backgroundColor = [UIColor colorWithHue:0.2 saturation:0.8 brightness:0.5 alpha:1];
    [self.view addSubview:tab];

    CAShapeLayer *circle = [CAShapeLayer layer];
    circle.path = path.CGPath;
    circle.fillColor = tab.backgroundColor.CGColor;
    circle.position = CGPointMake(0, 30);
    [tab.layer addSublayer:circle];

    UIBezierPath *sPath = [UIBezierPath bezierPathWithArcCenter:CGPointZero radius:20 startAngle:M_PI * 0.3 endAngle:M_PI * 0.7 clockwise:YES];

    CAShapeLayer *mouth = [CAShapeLayer layer];
    mouth.position = CGPointMake(50, 30);
    mouth.path = sPath.CGPath;
    mouth.fillColor = [UIColor clearColor].CGColor;
    mouth.strokeColor = [UIColor whiteColor].CGColor;
    [tab.layer addSublayer:mouth];

    UIBezierPath *ePath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(-20, -10) radius:5 startAngle:0 endAngle:2.0 * M_PI clockwise:NO];
    [ePath appendPath:[UIBezierPath bezierPathWithArcCenter:CGPointMake(20, -10) radius:5 startAngle:0 endAngle:2.0 * M_PI clockwise:NO]];

    CAShapeLayer *eyes = [CAShapeLayer layer];
    eyes.path = ePath.CGPath;
    eyes.fillColor = [UIColor whiteColor].CGColor;
    eyes.position = mouth.position;
    [tab.layer addSublayer:eyes];

    self.smilePullTab = tab;
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    [UIView animateWithDuration:0.5 animations:^{
        self.smilePullTab.transform = CGAffineTransformMakeTranslation(-80, 0);
    }];
}

@end