#pragma once

#include <stdint.h>

#ifdef __OBJC__
@class UIScreen;
@class UIWindow;
@class UIView;
@class UIViewController;
@class UIEvent;
@class UILocalNotification;
@class NSString;
@class NSDictionary;
@class NSSet;
@class NSData;
@class NSError;
@class NSBundle;

@class UnityViewControllerBase;
#else
typedef struct objc_object UIScreen;
typedef struct objc_object UIWindow;
typedef struct objc_object UIView;
typedef struct objc_object UIViewController;
typedef struct objc_object UIEvent;
typedef struct objc_object UILocalNotification;
typedef struct objc_object NSString;
typedef struct objc_object NSDictionary;
typedef struct objc_object NSSet;
typedef struct objc_object NSError;
typedef struct objc_object NSData;
typedef struct objc_object NSBundle;

typedef struct objc_object UnityViewControllerBase;
#endif

// unity internal audio effect definition struct
struct UnityAudioEffectDefinition;

// new unity rendering api
struct IUnityInterfaces;

// be aware that this struct is shared with unity implementation so you should absolutely not change it
struct UnityFrameStats
{
    uint64_t    fixedBehaviourManagerDt;
    uint64_t    fixedPhysicsManagerDt;
    uint64_t    dynamicBehaviourManagerDt;
    uint64_t    coroutineDt;
    uint64_t    skinMeshUpdateDt;
    uint64_t    animationUpdateDt;
    uint64_t    renderDt;
    uint64_t    cullingDt;
    uint64_t    clearDt;
    int         fixedUpdateCount;

    int         batchCount;
    uint64_t    drawCallTime;
    int         drawCallCount;
    int         triCount;
    int         vertCount;

    uint64_t    dynamicBatchDt;
    int         dynamicBatchCount;
    int         dynamicBatchedDrawCallCount;
    int         dynamicBatchedTris;
    int         dynamicBatchedVerts;

    int         staticBatchCount;
    int         staticBatchedDrawCallCount;
    int         staticBatchedTris;
    int         staticBatchedVerts;
};


// be aware that this enum is shared with unity implementation so you should absolutely not change it
typedef enum
    LogType
{
    logError        = 0,
    logAssert       = 1,
    logWarning      = 2,
    logLog          = 3,
    logException    = 4,
    logDebug        = 5,
}
LogType;


// be aware that this enum is shared with unity implementation so you should absolutely not change it
typedef enum
    DeviceGeneration
{
    deviceUnknown       = 0,
    deviceiPhone3GS     = 3,
    deviceiPhone4       = 8,
    deviceiPodTouch4Gen = 9,
    deviceiPad2Gen      = 10,
    deviceiPhone4S      = 11,
    deviceiPad3Gen      = 12,
    deviceiPhone5       = 13,
    deviceiPodTouch5Gen = 14,
    deviceiPadMini1Gen  = 15,
    deviceiPad4Gen      = 16,
    deviceiPhone5C      = 17,
    deviceiPhone5S      = 18,
    deviceiPadAir1      = 19,
    deviceiPadMini2Gen  = 20,
    deviceiPhone6       = 21,
    deviceiPhone6Plus   = 22,
    deviceiPadMini3Gen  = 23,
    deviceiPadAir2      = 24,
    deviceiPhone6S      = 25,
    deviceiPhone6SPlus  = 26,
    deviceiPadPro1Gen   = 27,
    deviceiPadMini4Gen  = 28,
    deviceiPhoneSE1Gen  = 29,
    deviceiPadPro10Inch1Gen = 30,
    deviceiPhone7       = 31,
    deviceiPhone7Plus   = 32,
    deviceiPodTouch6Gen = 33,
    deviceiPad5Gen      = 34,
    deviceiPadPro2Gen = 35,
    deviceiPadPro10Inch2Gen = 36,
    deviceiPhone8       = 37,
    deviceiPhone8Plus   = 38,
    deviceiPhoneX       = 39,

    deviceiPhoneUnknown     = 10001,
    deviceiPadUnknown       = 10002,
    deviceiPodTouchUnknown  = 10003,

    deviceAppleTV1Gen  = 1001,
    deviceAppleTV2Gen  = 1002
}
DeviceGeneration;


// be aware that this enum is shared with unity implementation so you should absolutely not change it
typedef enum ScreenOrientation
{
    orientationUnknown,

    portrait,
    portraitUpsideDown,
    landscapeLeft,
    landscapeRight,

    orientationCount,
}
ScreenOrientation;


// be aware that this enum is shared with unity implementation so you should absolutely not change it
typedef enum AppInBackgroundBehavior
{
    appbgCustom     = -1,
    appbgSuspend    = 0,
    appbgExit       = 1,
}
AppInBackgroundBehavior;


// this dictates touches processing on os level: should we transform touches to unity view coords or not.
// N.B. touch.position will always be adjusted to current resolution
//      i.e. if you touch right border of view, touch.position.x will be Screen.width, not view.width
//      to get coords in view space (os-coords), use touch.rawPosition
typedef enum ViewTouchProcessing
{
    // the touches originated from view will be ignored by unity
    touchesIgnored = 0,

    // touches would be processed as if they were originated in unity view:
    // coords will be transformed from view coords to unity view coords
    touchesTransformedToUnityViewCoords = 1,

    // touches coords will be kept intact (in originated view coords)
    // it is default value
    touchesKeptInOriginalViewCoords = 2,
}
ViewTouchProcessing;

// be aware that this enum is shared with unity implementation so you should absolutely not change it
typedef enum KeyboardStatus
{
    Visible     = 0,
    Done        = 1,
    Canceled    = 2,
    LostFocus   = 3,
}
KeyboardStatus;

#ifdef __cplusplus
extern bool _ios42orNewer;
extern bool _ios43orNewer;
extern bool _ios50orNewer;
extern bool _ios60orNewer;
extern bool _ios70orNewer;
extern bool _ios80orNewer;
extern bool _ios81orNewer;
extern bool _ios82orNewer;
extern bool _ios90orNewer;
extern bool _ios91orNewer;
extern bool _ios100orNewer;
extern bool _ios101orNewer;
extern bool _ios102orNewer;
extern bool _ios103orNewer;
extern bool _ios110orNewer;
extern bool _ios111orNewer;
extern bool _ios112orNewer;
#endif