#ifndef INCLUDED_GAI_ACTION_H
#define INCLUDED_GAI_ACTION_H

#ifndef INCLUDED_OS_TYPES_H
#include <os_types.h>
#endif /*INCLUDED_OS_TYPES_H*/

#ifndef INCLUDED_OS_COMPILER_H
#include <os_compiler.h>
#endif /*INCLUDED_OS_COMPILER_H*/


/* ------------------------------------------------------------------------------------------------------------------ */
/*  */

typedef struct gai_action_t gai_action_t;
typedef void (*gai_action_function_t)(gai_action_t* self);
typedef void (*gai_action_update_function_t)(gai_action_t* self, void* params);

typedef enum {
    kGaiActionStatus_UnInitialized=0,
    kGaiActionStatus_Running,
    kGaiActionStatus_Terminated,
}gai_action_status_t;

struct gai_action_t{
    gai_action_status_t status;
    gai_action_function_t onInitialize;
    gai_action_update_function_t onUpdate;
    gai_action_function_t onCleanup;
    void* userdata;
};

/* ------------------------------------------------------------------------------------------------------------------ */
/*  */

OS_STATIC_FORCE_INLINE
void gai_action_init(gai_action_t* self,
                     gai_action_function_t onInitialize,
                     gai_action_update_function_t onUpdate,
                     gai_action_function_t onCleanup, void* userdata){
    self->status = kGaiActionStatus_UnInitialized;
    self->onInitialize = onInitialize;
    self->onUpdate = onUpdate;
    self->onCleanup = onCleanup;
    self->userdata = userdata;
}

OS_STATIC_FORCE_INLINE
void gai_action_Initialize(gai_action_t* self){
    if(self->onInitialize){
        self->onInitialize(self);
    }
    self->status = kGaiActionStatus_Running;
}

OS_STATIC_FORCE_INLINE
gai_action_status_t gai_action_Update(gai_action_t* self, void* userdata){
    if(self->status==kGaiActionStatus_Terminated){
        return kGaiActionStatus_Terminated;
    }
    if(self->onUpdate){
        self->onUpdate(self, userdata);
    }else{
        self->status = kGaiActionStatus_Terminated;
    }
    return self->status;
}

OS_STATIC_FORCE_INLINE
void gai_action_Cleanup(gai_action_t* self){
    if(self->status == kGaiActionStatus_Terminated){
        if(self->onCleanup){
            self->onCleanup(self);
        }
    }
    self->status = kGaiActionStatus_UnInitialized;
}


#endif /*INCLUDED_GAI_ACTION_H*/