//Node.h

#import <Foundation/Foundation.h>

@interface Node : NSObject
@property (nonatomic, weak, readwrite) Node *next;
//should the node contain objects
//or just be a progression of pointers, I think pointers
@end

//Node.m

#import <Foundation/Foundation.h>

@interface Node : NSObject
@property (nonatomic, weak, readwrite) Node *next;
//should the node contain objects
//or just be a progression of pointers, I think pointers
@end

//NList.h
#import <Foundation/Foundation.h>
#import "Card.h"
#import "Node.h"

@interface NList : NSObject
@property (nonatomic,readonly) NSInteger size;
@property (weak, readonly, nonatomic) Node *head;

- (void)add:(NSObject *)node;
- (id) initWithSize:(NSInteger *)size;

@end


//
//  NList.m
#import "NList.h"
@interface NList()
@property (weak, nonatomic, readwrite) Node *head;
@property (nonatomic,readwrite) NSInteger size;
@property (nonatomic) NSInteger *num_nodes;
@end

@implementation NList
@synthesize size = _size;
@synthesize head = _head;

//only reason dis is here because it is required [I think.]
- (id)init {
    self = [super init];
    if (self) {
        self.head = nil; //as opposed to _head, I think
        self.num_nodes = 0;
    }
    return self;
}

- (id) initWithSize:(NSInteger *)size {
    self = [super init];
    if (self){
        self.head = nil;
        self.size = size;
        self.num_nodes = 0;
    }
    return self;
}

- (void)add:(NSObject *)node {
    Node *newNode = [[Node alloc] init];
    if (self.head)
        newNode.next = self.head;
    else
        self.head = newNode;

    self.num_nodes++;
}
@end





//test file

// XCT for assertions
- (void)testAdd
{
    NList *testList = [[NList alloc] initWithSize:2];
    NSObject *testNodeOne =  @1;
    [testList add:(testNodeOne)];
    XCTAssertNotNil(testList.head);
    NSObject *testNodeTwo =  @3;

    [testList add:testNodeTwo];
    XCTAssertNotNil(testList.head);
    XCTAssertNotNil(testList.head.next); ((testList.head.next) != nil) failed: throwing "-[__NSCFNumber next]: unrecognized selector sent to instance 0x8d75720"




}