/* This file provided by Facebook is for non-commercial testing and evaluation
 * purposes only.  Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#import "ViewController.h"

@interface ViewController()<ASVideoPlayerNodeDelegate>
@property (nonatomic, strong) ASVideoPlayerNode *videoPlayerNode;
@end

@implementation ViewController

- (instancetype)init
{
  if (!(self = [super initWithNode:self.videoPlayerNode])) {
    return nil;
  }
  
  return self;
}

- (void)viewWillAppear:(BOOL)animated
{
  [super viewWillAppear:animated];
  
  //[self.view addSubnode:self.videoPlayerNode];
  
  //[self.videoPlayerNode setNeedsLayout];
}

- (ASVideoPlayerNode *)videoPlayerNode;
{
  if (_videoPlayerNode) {
    return _videoPlayerNode;
  }
  
  NSURL *fileUrl = [NSURL URLWithString:@"https://files.parsetfss.com/8a8a3b0c-619e-4e4d-b1d5-1b5ba9bf2b42/tfss-3045b261-7e93-4492-b7e5-5d6358376c9f-editedLiveAndDie.mov"];

  _videoPlayerNode = [[ASVideoPlayerNode alloc] initWithUrl:fileUrl];
  _videoPlayerNode.delegate = self;

  _videoPlayerNode.backgroundColor = [UIColor blackColor];

  return _videoPlayerNode;
}

#pragma mark - ASVideoPlayerNodeDelegate
- (NSArray *)videoPlayerNodeNeededControls:(ASVideoPlayerNode *)videoPlayer
{
  return @[ @(ASVideoPlayerNodeControlTypePlaybackButton),
            @(ASVideoPlayerNodeControlTypeElapsedText),
            @(ASVideoPlayerNodeControlTypeScrubber),
            @(ASVideoPlayerNodeControlTypeDurationText) ];
}

- (UIColor *)videoPlayerNodeScrubberMaximumTrackTint:(ASVideoPlayerNode *)videoPlayer
{
  return [UIColor colorWithRed:1 green:1 blue:1 alpha:0.3];
}

- (UIColor *)videoPlayerNodeScrubberMinimumTrackTint:(ASVideoPlayerNode *)videoPlayer
{
  return [UIColor whiteColor];
}

- (UIColor *)videoPlayerNodeScrubberThumbTint:(ASVideoPlayerNode *)videoPlayer
{
  return [UIColor whiteColor];
}

- (NSDictionary *)videoPlayerNodeTimeLabelAttributes:(ASVideoPlayerNode *)videoPlayerNode timeLabelType:(ASVideoPlayerNodeControlType)timeLabelType
{
  NSDictionary *options;

  if (timeLabelType == ASVideoPlayerNodeControlTypeElapsedText) {
    options = @{
                NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Medium" size:16.0],
                NSForegroundColorAttributeName: [UIColor orangeColor]
                };
  } else if (timeLabelType == ASVideoPlayerNodeControlTypeDurationText) {
    options = @{
                NSFontAttributeName : [UIFont fontWithName:@"HelveticaNeue-Medium" size:16.0],
                NSForegroundColorAttributeName: [UIColor redColor]
                };
  }

  return options;
}

- (ASLayoutSpec *)videoPlayerNodeLayoutSpec:(ASVideoPlayerNode *)videoPlayer
                                forControls:(NSDictionary *)controls
                         forConstrainedSize:(ASSizeRange)constrainedSize
{

  NSMutableArray *bottomControls = [[NSMutableArray alloc] init];
  NSMutableArray *topControls = [[NSMutableArray alloc] init];

  ASDisplayNode *scrubberNode = controls[@(ASVideoPlayerNodeControlTypeScrubber)];
  ASDisplayNode *playbackButtonNode = controls[@(ASVideoPlayerNodeControlTypePlaybackButton)];
  ASTextNode *elapsedTexNode = controls[@(ASVideoPlayerNodeControlTypeElapsedText)];
  ASTextNode *durationTexNode = controls[@(ASVideoPlayerNodeControlTypeDurationText)];

  if (playbackButtonNode) {
    [bottomControls addObject:playbackButtonNode];
  }

  if (scrubberNode) {
    scrubberNode.preferredFrameSize = CGSizeMake(constrainedSize.max.width, 44.0);
    [bottomControls addObject:scrubberNode];
  }

  if (elapsedTexNode) {
    [topControls addObject:elapsedTexNode];
  }

  if (durationTexNode) {
    [topControls addObject:durationTexNode];
  }

  ASLayoutSpec *spacer = [[ASLayoutSpec alloc] init];
  spacer.flexGrow = YES;

  ASStackLayoutSpec *topBarSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
                                                                              spacing:10.0
                                                                       justifyContent:ASStackLayoutJustifyContentCenter
                                                                           alignItems:ASStackLayoutAlignItemsCenter
                                                                             children:topControls];



  UIEdgeInsets topBarSpecInsets = UIEdgeInsetsMake(20.0, 10.0, 0.0, 10.0);

  ASInsetLayoutSpec *topBarSpecInsetSpec = [ASInsetLayoutSpec insetLayoutSpecWithInsets:topBarSpecInsets child:topBarSpec];
  topBarSpecInsetSpec.alignSelf = ASStackLayoutAlignSelfStretch;

  ASStackLayoutSpec *controlbarSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
                                                                              spacing:10.0
                                                                       justifyContent:ASStackLayoutJustifyContentStart
                                                                           alignItems:ASStackLayoutAlignItemsCenter
                                                                             children:bottomControls];
  controlbarSpec.alignSelf = ASStackLayoutAlignSelfStretch;

  UIEdgeInsets insets = UIEdgeInsetsMake(10.0, 10.0, 10.0, 10.0);

  ASInsetLayoutSpec *controlbarInsetSpec = [ASInsetLayoutSpec insetLayoutSpecWithInsets:insets child:controlbarSpec];

  controlbarInsetSpec.alignSelf = ASStackLayoutAlignSelfStretch;

  ASStackLayoutSpec *mainVerticalStack = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical
                                                                                 spacing:0.0
                                                                          justifyContent:ASStackLayoutJustifyContentStart
                                                                              alignItems:ASStackLayoutAlignItemsStart
                                                                                children:@[ topBarSpecInsetSpec, spacer, controlbarInsetSpec ]];


  return mainVerticalStack;
}

@end