//
//  HDLGestureLockView.m
//  HDL_Widget_iOS
//
//  Created by HDL on 2019/10/30.
//  Copyright © 2019 JLChen. All rights reserved.
//

#import "HDLGestureLockView.h"
#import "HDLUtlisXM.h"

#define SSGestureLock_ButtonSize CGSizeMake(20,20)//没有选择按钮的大小
#define SSGestureLock_SelectedButtonSize CGSizeMake(60,60)//选择后按钮的大小
#define SSGestureLock_SelectedLineColor HEXCOLOR(0xFC744B)//选择时候线的颜色
#define SSGestureLock_SelectedErrorLineColor HEXCOLOR(0xFF0000) //选择后错误线的颜色
//#define SSGestureLock_NomarlColor HEXCOLOR(0xD5DBE8)
#define SSGestureLock_BorderColor HEXCOLOR(0x818181)
#define SSGestureLock_NomarlColor HEXCOLOR(0xC0C7D4)


CGFloat const SSGestureLock_DrawLineWidth  = 2; //画线的宽度
CGFloat const SSGestureLock_ButtonSpaceH = 30; //横向间隔
CGFloat const SSGestureLock_ButtonSpaceV = 30; //纵向间隔

NSInteger const SSGestureLock_EachNum  = 3;
NSInteger const SSGestureLock_ButtonCount  = 9;

typedef NS_ENUM(NSInteger, SSGestureLockKeyType) {
    SSGestureLockKeyNormalType,
    SSGestureLockKeySelectedType,
    SSGestureLockKeyErrorType,
};


@interface SSGestureLockKeyView:UIView

@property (nonatomic, assign) SSGestureLockKeyType keyType;
@property (nonatomic, strong) UIView *smallView;
@property (nonatomic, strong) UIColor *errorColor;
@property (nonatomic, strong) UIColor *normalColor;
@property (nonatomic, strong) UIColor *selectedColor;
@property (nonatomic, strong) UIColor *selectedColor_Alpha;
@property (nonatomic, strong) UIColor *errorColor_Alpha;
@property (nonatomic, assign) BOOL isSolidType;

@end

@implementation SSGestureLockKeyView
- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        self.backgroundColor = [UIColor clearColor];
        _smallView = [UIView new];
        [self addSubview:_smallView];
        
        
    }
    return self;
}

- (void)layoutSubviews{
    [super layoutSubviews];
    ///根据大小来设置圆角
    self.layer.cornerRadius = self.frame.size.height/2;
    self.layer.masksToBounds = true;
//    self.layer.borderWidth = 1.0f;
//    self.layer.borderColor = SSGestureLock_BorderColor.CGColor;
    
    CGFloat smallView_x = CGRectGetWidth(self.frame)*1/3;
    CGFloat smallView_y = CGRectGetWidth(self.frame)*1/3;
    CGFloat smallView_width = CGRectGetWidth(self.frame)*1/3;
    self.smallView.frame = CGRectMake(smallView_x, smallView_y, smallView_width, smallView_width);
    self.smallView.layer.cornerRadius = self.smallView.frame.size.height/2;
    
    if(_isSolidType){
        self.smallView.backgroundColor = self.normalColor;
    }else{
        self.layer.borderWidth = 1.0f;
        self.layer.borderColor = SSGestureLock_BorderColor.CGColor;
    }
}

- (void)setErrorColor:(UIColor *)errorColor{
    _errorColor = errorColor;
    _errorColor_Alpha = [self getNewColorWith:errorColor newAlpha:0.2F];
}
- (void)setNormalColor:(UIColor *)normalColor{
    _normalColor = normalColor;
    //    self.smallView.backgroundColor = _normalColor;
}
- (void)setSelectedColor:(UIColor *)selectedColor{
    _selectedColor = selectedColor;
    _selectedColor_Alpha = [self getNewColorWith:selectedColor newAlpha:0.2F];
}

// 改变UIColor的Alpha
- (UIColor *)getNewColorWith:(UIColor *)color newAlpha:(float)newAlpha{
    CGFloat red = 0.0;
    CGFloat green = 0.0;
    CGFloat blue = 0.0;
    CGFloat alpha = 0.0;
    [color getRed:&red green:&green blue:&blue alpha:&alpha];
    UIColor *newColor = [UIColor colorWithRed:red green:green blue:blue alpha:newAlpha];
    return newColor;
}

- (void)setKeyType:(SSGestureLockKeyType)keyType{
    _keyType = keyType;
    
    if(!_isSolidType){
        if (_keyType == SSGestureLockKeyNormalType) {
            //        self.backgroundColor = [UIColor clearColor];
            self.smallView.backgroundColor = [UIColor clearColor];
            self.layer.borderColor = SSGestureLock_BorderColor.CGColor;
        }
        if (_keyType == SSGestureLockKeySelectedType) {
            //        self.backgroundColor = self.normalColor;
            self.smallView.backgroundColor = self.selectedColor;
            self.layer.borderColor = self.selectedColor.CGColor;
        }
        
        if (_keyType == SSGestureLockKeyErrorType) {
            //        self.backgroundColor = self.normalColor;
            self.smallView.backgroundColor = self.errorColor;
            self.layer.borderColor = self.errorColor.CGColor;
        }
        
    }else{
        if (_keyType == SSGestureLockKeyNormalType) {
            self.smallView.backgroundColor = self.normalColor;
            self.backgroundColor =  [UIColor clearColor];
            //        self.layer.borderColor = SSOnGestureLock_BorderColor.CGColor;
        }
        if (_keyType == SSGestureLockKeySelectedType) {
            self.smallView.backgroundColor = self.selectedColor;
            //        self.layer.borderColor = self.selectedColor.CGColor;
            self.backgroundColor = self.selectedColor_Alpha;
        }
        
        if (_keyType == SSGestureLockKeyErrorType) {
            self.smallView.backgroundColor = self.errorColor;
            self.backgroundColor = self.errorColor_Alpha;
            //        self.layer.borderColor = self.errorColor.CGColor;
        }
    }
}

@end


@interface HDLGestureLockView ()
@property (nonatomic, strong) NSMutableArray <SSGestureLockKeyView *>* keyViewArray;
@property (nonatomic, strong) NSMutableArray <SSGestureLockKeyView *> *selectedKeyViewArray;
@property (nonatomic, assign) CGPoint movePoint;
@property (nonatomic, strong) CAShapeLayer *drawLayer;
@property (nonatomic, assign) BOOL isSolidType; //是否为实心圆点的手势解锁类型

@end

@implementation HDLGestureLockView
- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        self.lineWidth = SSGestureLock_DrawLineWidth;
        self.errorLineColor = SSGestureLock_SelectedErrorLineColor;
        self.selectedLineColor = SSGestureLock_SelectedLineColor;
        self.horizontalSpace = SSGestureLock_ButtonSpaceH;
        self.verticalSpace = SSGestureLock_ButtonSpaceV;
        self.normalColor = SSGestureLock_NomarlColor;
        [self setViews];
    }
    return self;
}

- (CAShapeLayer *)drawLayer{
    if (!_drawLayer) {
        _drawLayer = [CAShapeLayer layer];
        _drawLayer.fillColor = [UIColor clearColor].CGColor;
        _drawLayer.lineWidth = self.lineWidth;
        _drawLayer.lineJoin = @"round";
        [self.layer addSublayer:_drawLayer];
    }
    return _drawLayer;
}


- (NSMutableArray *)keyViewArray{
    if (!_keyViewArray) {
        _keyViewArray = @[].mutableCopy;
    }
    return _keyViewArray;
}
- (NSMutableArray *)selectedKeyViewArray{
    if (!_selectedKeyViewArray) {
        _selectedKeyViewArray = @[].mutableCopy;
    }
    return _selectedKeyViewArray;
}

- (void)setHorizontalSpace:(CGFloat)horizontalSpace{
    _horizontalSpace = horizontalSpace;
    [self setNeedsLayout];
}

- (void)setVerticalSpace:(CGFloat)verticalSpace{
    _verticalSpace = verticalSpace;
    [self setNeedsLayout];
}

- (void)setErrorLineColor:(UIColor *)errorLineColor{
    _errorLineColor = errorLineColor;
    for (SSGestureLockKeyView *view in self.keyViewArray) {
        view.errorColor = errorLineColor;
    }
}
- (void)setSelectedLineColor:(UIColor *)selectedLineColor{
    _selectedLineColor = selectedLineColor;
    for (SSGestureLockKeyView *view in self.keyViewArray) {
        view.selectedColor = selectedLineColor;
    }
}
- (void)setNormalColor:(UIColor *)normalColor{
    _normalColor = normalColor;
    for (SSGestureLockKeyView *view in self.keyViewArray) {
        view.normalColor = normalColor;
    }
}
- (void)setShowErrorStatus:(BOOL)showErrorStatus{
    _showErrorStatus = showErrorStatus;
    
}

- (void)layoutSubviews{
    [super layoutSubviews];
    
    CGFloat keyViewWidth = (CGRectGetWidth(self.frame)- (SSGestureLock_EachNum-1)*self.horizontalSpace)/SSGestureLock_EachNum;
    CGFloat keyViewHeight = (CGRectGetHeight(self.frame)- (SSGestureLock_EachNum-1)*self.verticalSpace)/SSGestureLock_EachNum;
    for (NSUInteger i=0; i<self.keyViewArray.count; i++) {
        
        NSInteger num = i/SSGestureLock_EachNum;
        NSInteger remainNum = i%SSGestureLock_EachNum;
        
        UIView *view = self.keyViewArray[i];
        view.frame = CGRectMake((keyViewWidth+self.horizontalSpace)*remainNum, (keyViewHeight+self.verticalSpace)*num, keyViewWidth, keyViewHeight);
        
    }
    
}

- (void)setViews{
    self.backgroundColor = [UIColor clearColor];
    for (NSUInteger i = 0; i < SSGestureLock_ButtonCount; i++) {
        SSGestureLockKeyView *keyView = [[SSGestureLockKeyView alloc]init];
        keyView.errorColor = self.errorLineColor;
        keyView.selectedColor = self.selectedLineColor;
        keyView.normalColor = self.normalColor;
        keyView.isSolidType = self.isSolidType;
        keyView.tag = i+1;
        [self addSubview:keyView];
        [self.keyViewArray  addObject:keyView];
    }
}


// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    [super drawRect:rect];
    
    if (self.selectedKeyViewArray.count>0) {
        
        UIBezierPath *bezierPath = [UIBezierPath bezierPath];
        SSGestureLockKeyView *firstKeyView = [self.selectedKeyViewArray objectAtIndex:0];
        [bezierPath moveToPoint:firstKeyView.center];
        if (self.showErrorStatus) {
            self.drawLayer.strokeColor = self.errorLineColor.CGColor;
            
        }else{
            self.drawLayer.strokeColor = self.selectedLineColor.CGColor;
        }
        for (int i = 0; i < [self.selectedKeyViewArray count]; i++) {
            SSGestureLockKeyView *KeyView = [self.selectedKeyViewArray objectAtIndex:i];
            if (!self.showErrorStatus) {
                KeyView.keyType = SSGestureLockKeySelectedType;
            }else{
                KeyView.keyType = SSGestureLockKeyErrorType;
                
            }
            [bezierPath addLineToPoint:KeyView.center];
        }
        
        if (!CGPointEqualToPoint(self.movePoint, CGPointZero)) {
            [bezierPath addLineToPoint:self.movePoint];
        }
        
        self.drawLayer.path = bezierPath.CGPath;
        
    }else{
        [self.drawLayer removeFromSuperlayer];
        self.drawLayer = nil;
    }
    
    // Drawing code
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    UITouch *touch = [touches anyObject];
    CGPoint locationPoint = [touch locationInView:self];
    SSGestureLockKeyView *keyView = [self returnContainKeyViewWithPoint:locationPoint];
    if (keyView) {
        [self.selectedKeyViewArray addObject:keyView];
    }
    [self setNeedsDisplay];
}

- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    UITouch *touch = [touches anyObject];
    CGPoint locationPoint = [touch locationInView:self];
    if (CGRectContainsPoint(CGRectMake(0, 0, self.frame.size.width, self.frame.size.height), locationPoint)) {
        SSGestureLockKeyView *keyView = [self returnContainKeyViewWithPoint:locationPoint];
        if (keyView&&![self.selectedKeyViewArray containsObject:keyView]) {
            [self.selectedKeyViewArray addObject:keyView];
        }
        self.movePoint = locationPoint;
        [self setNeedsDisplay];
    }
}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    if ([self.delegate respondsToSelector:@selector(didSelectedGestureLockView:selectCount:)]) {
        [self.delegate didSelectedGestureLockView:[self returnKeyNumStr] selectCount:[self.selectedKeyViewArray count]];
    }
    if (self.showErrorStatus) {
        [self ss_changeSelectedKeyViewWithKeytype:SSGestureLockKeyErrorType];
        [self setNeedsDisplay];
    }
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self.selectedKeyViewArray removeAllObjects];
        self.movePoint = CGPointZero;
        [self setNeedsDisplay];
        [self ss_changeAllKeyViewWithKeytype:SSGestureLockKeyNormalType];
        self.showErrorStatus = NO;
    });
    
    
}
- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    [self.selectedKeyViewArray removeAllObjects];
    self.movePoint = CGPointZero;
    [self setNeedsDisplay];
    [self ss_changeAllKeyViewWithKeytype:SSGestureLockKeyNormalType];
}

#pragma mark - 根据坐标找出所在的keyView
- (SSGestureLockKeyView *)returnContainKeyViewWithPoint:(CGPoint)point{
    SSGestureLockKeyView *tempView = nil;
    for (SSGestureLockKeyView *keyView in self.keyViewArray) {
        if (CGRectContainsPoint(keyView.frame, point)) {
            tempView = keyView;
            break;
        }
    }
    return tempView;
}
#pragma mark  - 还原所有keyView的状态
- (void)ss_changeAllKeyViewWithKeytype:(SSGestureLockKeyType)keyType{
    for (SSGestureLockKeyView *keyView in self.keyViewArray) {
        if (keyView.keyType != keyType) {
            keyView.keyType = keyType;
        }
    }
}
- (void)ss_changeSelectedKeyViewWithKeytype:(SSGestureLockKeyType)keyType{
    for (SSGestureLockKeyView *keyView in self.selectedKeyViewArray) {
        if (keyView.keyType != keyType) {
            keyView.keyType = keyType;
        }
    }
}


- (NSString *)returnKeyNumStr{
    
    NSString *keyNumStr = @"";
    for (int i = 0; i < [self.selectedKeyViewArray count]; i++) {
        
        SSGestureLockKeyView *KeyView = [self.selectedKeyViewArray objectAtIndex:i];
        keyNumStr = [keyNumStr stringByAppendingString:[NSString stringWithFormat:@"%ld",KeyView.tag]];
    }
    return keyNumStr;
}


/**
 重置布局
 
 @param mCGRect 布局
 
 */
-(void)initWithFrameLockView:(CGRect) mCGRect{
    self.frame = mCGRect;
    //    [self refreshFrame];
    
        int mSpace = self.frame.size.width/(2*SSGestureLock_EachNum - 1);
        self.horizontalSpace = mSpace;
        self.verticalSpace = mSpace;
    ////    [self refreshFrame];
    
}

/// 2020-06-17
/// 设置实心模式
/// @param isSolidType 是否
-(void)setSolidType:(BOOL)isSolidType{
    self.isSolidType = isSolidType;
    [self resetViews];
}


/// 重置view
- (void)resetViews{
    //移除所有子view
    for(UIView *view in [self subviews])
    {
        [view removeFromSuperview];
    }
    [_keyViewArray removeAllObjects];
    [self setViews];
}

@end