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/**
 * The examples provided by Facebook are 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 NON INFRINGEMENT. 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 "AppDelegate.h"

#import "RCTRootView.h"

#import "ABYServer.h"
#import "ABYContextManager.h"
#import "BTHContextExecutor.h"

@interface AppDelegate()

@property (strong, nonatomic) ABYServer* replServer;
@property (strong, nonatomic) ABYContextManager* contextManager;

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
  NSURL *jsCodeLocation;

  /**
   * Loading JavaScript code - uncomment the one you want.
   *
   * OPTION 1
   * Load from development server. Start the server from the repository root:
   *
   * $ npm start
   *
   * To run on device, change `localhost` to the IP address of your computer
   * (you can get this by typing `ifconfig` into the terminal and selecting the
   * `inet` value under `en0:`) and make sure your computer and iOS device are
   * on the same Wi-Fi network.
   */

  jsCodeLocation = [NSURL URLWithString:@"http://localhost:8081/Examples/TicTacToe/TicTacToeApp.includeRequire.runModule.bundle"];

  /**
   * OPTION 2
   * Load from pre-bundled file on disk. To re-generate the static bundle, `cd`
   * to your Xcode project folder in the terminal, and run
   *
   * $ curl 'http://localhost:8081/Examples/TicTacToe/TicTacToeApp.includeRequire.runModule.bundle' -o main.jsbundle
   *
   * then add the `main.jsbundle` file to your project and uncomment this line:
   */

//  jsCodeLocation = [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];

  // Set up the compiler output directory
  NSURL* compilerOutputDirectory = [[self privateDocumentsDirectory] URLByAppendingPathComponent:@"cljs-out"];
  [self createDirectoriesUpTo:compilerOutputDirectory];
  
  // Set up our context
  self.contextManager = [[ABYContextManager alloc] initWithContext:[[JSContext alloc] init]
                                           compilerOutputDirectory:compilerOutputDirectory];
  [self.contextManager setUpAmblyImportScript];
  
  // Inject our context into the BTHContextExecutor (it sets the static variable)
  [BTHContextExecutor setContext:self.contextManager.context];
  
  // Set React Native to intstantiate our BTHContextExecutor, doing this by slipping the executorClass
  // assignement between alloc and initWithBundleURL:moduleProvider:launchOptions:
  RCTBridge *bridge = [RCTBridge alloc];
  bridge.executorClass = [BTHContextExecutor class];
  bridge = [bridge initWithBundleURL:jsCodeLocation
                      moduleProvider:nil
                       launchOptions:launchOptions];
  
  // Set up a root view using the bridge defined above
  RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge
                                                   moduleName:@"TicTacToeApp"];

  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  UIViewController *rootViewController = [[UIViewController alloc] init];
  rootViewController.view = rootView;
  self.window.rootViewController = rootViewController;
  [self.window makeKeyAndVisible];
  
  // Now that React Native has been initialized, fire up our REPL server
  self.replServer = [[ABYServer alloc] initWithContext:self.contextManager.context
                               compilerOutputDirectory:compilerOutputDirectory];
  BOOL successful = [self.replServer startListening];
  if (!successful) {
    NSLog(@"Failed to start REPL server.");
  }
  
  return YES;
}

- (NSURL *)privateDocumentsDirectory
{
  NSURL *libraryDirectory = [[[NSFileManager defaultManager] URLsForDirectory:NSLibraryDirectory inDomains:NSUserDomainMask] lastObject];
  
  return [libraryDirectory URLByAppendingPathComponent:@"Private Documents"];
}

- (void)createDirectoriesUpTo:(NSURL*)directory
{
  if (![[NSFileManager defaultManager] fileExistsAtPath:[directory path]]) {
    NSError *error = nil;
    
    if (![[NSFileManager defaultManager] createDirectoryAtPath:[directory path]
                                   withIntermediateDirectories:YES
                                                    attributes:nil
                                                         error:&error]) {
      NSLog(@"Can't create directory %@ [%@]", [directory path], error);
      abort();
    }
  }
}


@end