//  -*-objc-*-
//  Calando - Volume Fading for OS X
//  Copyright (C) 2007  Greg Heartsfield

#import "VolumeWindowController.h"

@implementation VolumeWindowController

- (void)awakeFromNib {
  NSLog(@"Nib loaded");
  // Save duration to shared user defaults
  id theDefaultsController =
    [NSUserDefaultsController sharedUserDefaultsController];
  id duration_key_value = [[theDefaultsController values]
			    valueForKey:@"duration"];
  if (duration_key_value == nil) {
    NSLog(@"Couldn't find value for duration in user defaults");
    [durationMinutes setIntValue:60];
  } else {
    NSLog(@"duration from user defaults is available");
  }
}

- (void)windowWillClose:(NSNotification *)aNotification {
  [NSApp terminate:self];
}

- (void)volumeFadeFinished {
  NSLog(@"VolumeWindowController notified that volume fade finished");
  [self resetToStartState];
}

- (IBAction)startFade:(id)sender {
  if (myVolumeFader == nil) {
    NSLog(@"startFade button activated");
    [self setInterfaceToWorkingState];
    id theDefaultsController =
      [NSUserDefaultsController sharedUserDefaultsController];
    NSString *durationString =
      [NSString stringWithFormat:@"%d",[durationMinutes intValue]];

    // Save current selected duration to defaults.  Next time
    // the app is started, this value will be restored.
    [[theDefaultsController values]
      setValue:durationString forKey:@"duration"];

    NSLog(@"Volume slider is %f", [volumeSlider floatValue]);
    NSLog(@"Duration textfield is %d", [durationMinutes intValue]);

    // Create volumeFader and initialize with user-selected values.
    myVolumeFader = [[VolumeFader alloc] init];
    [myVolumeFader setSecondsDuration:([durationMinutes intValue] * 60)];
    [myVolumeFader setFinalVolume:([volumeSlider floatValue]/100.0)];
    [myVolumeFader setNotifyFinished:self];

    // Create new thread to fade volume and immediately return.
    [NSThread detachNewThreadSelector:@selector(fadeSystemVolumeThreaded:)
	      toTarget:[VolumeFader class] withObject:myVolumeFader];
    // When the thread finishes, it will notify this
    // object's volumeFadeFinished method.
  } else {
    // A fade was already running, user requested it be stopped.
    NSLog(@"myVolumeFader was running, now resetting");
    [self resetToStartState];
   }
}

// End running fades, reset interface
- (void)resetToStartState {
  [startAndEndButton setTitle:(@"Start Fade")];
  if (myVolumeFader != nil) {
    [myVolumeFader stopFade];
    [myVolumeFader release];
  }
  myVolumeFader = nil;
}

// Set interface to indicate that fade is running
- (void)setInterfaceToWorkingState {
   [startAndEndButton setTitle:(@"End Fade...")];
}

@end