//
//  SGPlayer.h
//  SGPlayer
//
//  Created by Single on 16/6/28.
//  Copyright © 2016年 single. All rights reserved.
//

#import <SGPlatform/SGPlatform.h>
#import "SGPlayerTrack.h"
#import "SGPlayerDecoder.h"

// video type
typedef NS_ENUM(NSUInteger, SGVideoType) {
    SGVideoTypeNormal,  // normal
    SGVideoTypeVR,      // virtual reality
};

// player state
typedef NS_ENUM(NSUInteger, SGPlayerState) {
    SGPlayerStateNone = 0,          // none
    SGPlayerStateBuffering = 1,     // buffering
    SGPlayerStateReadyToPlay = 2,   // ready to play
    SGPlayerStatePlaying = 3,       // playing
    SGPlayerStateSuspend = 4,       // pause
    SGPlayerStateFinished = 5,      // finished
    SGPlayerStateFailed = 6,        // failed
};

// display mode
typedef NS_ENUM(NSUInteger, SGDisplayMode) {
    SGDisplayModeNormal,    // default
    SGDisplayModeBox,
};

// video content mode
typedef NS_ENUM(NSUInteger, SGGravityMode) {
    SGGravityModeResize,
    SGGravityModeResizeAspect,
    SGGravityModeResizeAspectFill,
};

// background mode
typedef NS_ENUM(NSUInteger, SGPlayerBackgroundMode) {
    SGPlayerBackgroundModeNothing,
    SGPlayerBackgroundModeAutoPlayAndPause,     // default
    SGPlayerBackgroundModeContinue,
};


#pragma mark - SGPlayer

@class SGError;

NS_ASSUME_NONNULL_BEGIN

@interface SGPlayer : NSObject

+ (instancetype)new NS_UNAVAILABLE;
- (instancetype)init NS_UNAVAILABLE;

+ (instancetype)player;

@property (nonatomic, strong) SGPlayerDecoder * decoder;      // default is [SGPlayerDecoder defaultDecoder]

@property (nonatomic, copy, readonly) NSURL * contentURL;
@property (nonatomic, assign, readonly) SGVideoType videoType;

@property (nonatomic, strong, readonly, nullable) SGError * error;

- (void)replaceEmpty;
- (void)replaceVideoWithURL:(nullable NSURL *)contentURL;
- (void)replaceVideoWithURL:(nullable NSURL *)contentURL videoType:(SGVideoType)videoType;

// preview
@property (nonatomic, assign) SGDisplayMode displayMode;
@property (nonatomic, strong, readonly) SGPLFView * view;      // graphics view
@property (nonatomic, assign) BOOL viewAnimationHidden;     // default is YES;
@property (nonatomic, assign) SGGravityMode viewGravityMode;       // default is SGGravityModeResizeAspect;
@property (nonatomic, copy) void (^viewTapAction)(SGPlayer * player, SGPLFView * view);
- (SGPLFImage *)snapshot;

// control
@property (nonatomic, assign) SGPlayerBackgroundMode backgroundMode;    // background mode
@property (nonatomic, assign, readonly) SGPlayerState state;
@property (nonatomic, assign, readonly) CGSize presentationSize;
@property (nonatomic, assign, readonly) NSTimeInterval bitrate;
@property (nonatomic, assign, readonly) NSTimeInterval progress;
@property (nonatomic, assign, readonly) NSTimeInterval duration;
@property (nonatomic, assign, readonly) NSTimeInterval playableTime;
@property (nonatomic, assign) NSTimeInterval playableBufferInterval;    // default is 2s
@property (nonatomic, assign, readonly) BOOL seeking;
@property (nonatomic, assign) CGFloat volume;       // default is 1

- (void)play;
- (void)pause;

@property (nonatomic, assign, readonly) BOOL seekEnable;
- (void)seekToTime:(NSTimeInterval)time;
- (void)seekToTime:(NSTimeInterval)time completeHandler:(nullable void(^)(BOOL finished))completeHandler;

@end


#pragma mark - Tracks Category

@interface SGPlayer (Tracks)

@property (nonatomic, assign, readonly) BOOL videoEnable;
@property (nonatomic, assign, readonly) BOOL audioEnable;

@property (nonatomic, strong, readonly) SGPlayerTrack * videoTrack;
@property (nonatomic, strong, readonly) SGPlayerTrack * audioTrack;

@property (nonatomic, strong, readonly) NSArray <SGPlayerTrack *> * videoTracks;
@property (nonatomic, strong, readonly) NSArray <SGPlayerTrack *> * audioTracks;

- (void)selectAudioTrack:(SGPlayerTrack *)audioTrack;
- (void)selectAudioTrackIndex:(int)audioTrackIndex;

@end


#pragma mark - Thread Category

@interface SGPlayer (Thread)

@property (nonatomic, assign, readonly) BOOL videoDecodeOnMainThread;
@property (nonatomic, assign, readonly) BOOL audioDecodeOnMainThread;

@end

NS_ASSUME_NONNULL_END

#import "SGPlayerAction.h"