#ifdef SHOULD_COMPILE_LOOKIN_SERVER 

//
//  LookinAutoLayoutConstraint.h
//  Lookin
//
//  Created by Li Kai on 2019/9/28.
//  https://lookin.work
//



#import "LookinDefines.h"

@class LookinObject;

typedef NS_ENUM(NSInteger, LookinConstraintItemType) {
    LookinConstraintItemTypeUnknown,
    LookinConstraintItemTypeNil,
    LookinConstraintItemTypeView,
    LookinConstraintItemTypeSelf,
    LookinConstraintItemTypeSuper,
    LookinConstraintItemTypeLayoutGuide
};

@interface LookinAutoLayoutConstraint : NSObject <NSSecureCoding>

#if TARGET_OS_IPHONE
+ (instancetype)instanceFromNSConstraint:(NSLayoutConstraint *)constraint isEffective:(BOOL)isEffective firstItemType:(LookinConstraintItemType)firstItemType secondItemType:(LookinConstraintItemType)secondItemType;
#endif

@property(nonatomic, assign) BOOL effective;
@property(nonatomic, assign) BOOL active;
@property(nonatomic, assign) BOOL shouldBeArchived;
@property(nonatomic, strong) LookinObject *firstItem;
@property(nonatomic, assign) LookinConstraintItemType firstItemType;
/// iOS 里的 NSLayoutAttribute，注意 iOS 和 macOS 虽然都有 NSLayoutAttribute 但是 value 非常不同，因此这里使用 NSInteger 避免混淆
@property(nonatomic, assign) NSInteger firstAttribute;
@property(nonatomic, assign) NSLayoutRelation relation;
@property(nonatomic, strong) LookinObject *secondItem;
@property(nonatomic, assign) LookinConstraintItemType secondItemType;
/// iOS 里的 NSLayoutAttribute，注意 iOS 和 macOS 虽然都有 NSLayoutAttribute 但是 value 非常不同，因此这里使用 NSInteger 避免混淆
@property(nonatomic, assign) NSInteger secondAttribute;
@property(nonatomic, assign) CGFloat multiplier;
@property(nonatomic, assign) CGFloat constant;
@property(nonatomic, assign) CGFloat priority;
@property(nonatomic, copy) NSString *identifier;

@end

#endif /* SHOULD_COMPILE_LOOKIN_SERVER */