/*
 * Copyright (c) 2015 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

#import "NSTimer.h"
#import <Foundation/NSDate.h>

// Note: we do not link timers to NSRunLoop as this is irrelevant for
// our models. If at some point becomes important it needs to be changed.


void free(void *ptr);

@implementation NSTimer

+ (NSTimer*) timerWithTimeInterval:(NSTimeInterval)seconds
                        invocation:(NSInvocation *)invocation
                           repeats:(BOOL)f
{
    NSTimer *t = [self alloc];
    if(t)
    {
        t->_interval = seconds;
        t->_fireDate = [NSDate alloc];
        t->_is_valid = YES;
        t->_target = invocation;
        t->_repeats = f;
    }
    return t;
}

+ (NSTimer*) timerWithTimeInterval:(NSTimeInterval)seconds
                            target:(id)object
                          selector:(SEL)selector
                          userInfo:(id)info
                           repeats:(BOOL)f
{
    NSDate *d = [NSDate alloc];
    return [[self alloc] initWithFireDate:d
                                  interval:seconds
                                    target:object
                                  selector:selector
                                  userInfo:info
                                   repeats:f];
}

+ (NSTimer*) scheduledTimerWithTimeInterval:(NSTimeInterval)ti
                                 invocation:(NSInvocation *)invocation
                                    repeats:(BOOL)f
{
    NSTimer *t = [self timerWithTimeInterval:ti invocation:invocation repeats:f];
    return t;
}

+ (NSTimer*) scheduledTimerWithTimeInterval:(NSTimeInterval)ti
                                     target:(id)object
                                   selector:(SEL)selector
                                   userInfo:(id)info
                                    repeats:(BOOL)f
{
    NSTimer *t = [self timerWithTimeInterval: ti
                                      target: object
                                    selector: selector
                                    userInfo: info
                                     repeats: f];
    return t;
}

- (id) initWithFireDate:(NSDate *) date
               interval:(NSTimeInterval)seconds
                 target:(id)object
               selector:(SEL)selector
               userInfo:(id)info
                repeats:(BOOL)f
{
    _interval = seconds;
    _fireDate = date;
    _is_valid = YES;
    _selector = selector;
    _target = object;
    _info = info;
    _repeats = f;

    return self;
}

- (void) dealloc
{
    _fireDate=nil;
    free(self);
}

- (NSString *) description;
{
    return [NSString alloc];
}

// Abstract everything except making the timer invalid if
// cannot repeat
- (void) fire
{
    if(!_repeats)
        _is_valid = NO;
 }

- (void) invalidate
{
    _is_valid = NO;
}

- (BOOL) isValid {
    return _is_valid;
}

- (NSDate *) fireDate {

    return _fireDate;
}

- (NSTimeInterval) timeInterval {
    return _interval;
}

- (id) userInfo {
    return _info;
}

- (void) setFireDate:(NSDate *)date;
{
    _fireDate =date;
}

- (int) compare:(NSTimer*)anotherTimer
{
    int res;
    return res;
}

@end