#include <stdbool.h>
#include "../puzzles/puzzle.h"

#ifndef SCENES_H
#define SCENES_H

#define SCENE_STACK_SIZE 16

typedef enum {
    /// The full screen blackout
    POPUP_REVEALING,
    /// The popup of a transparent scene
    POPUP_REVEALING_OVERLAY,
    /// The scene is actively rendered
    POPUP_ACTIVE,
    /// The full screen blackout
    POPUP_HIDING,
    /// The popup of a transparent scene
    POPUP_HIDING_OVERLAY,
} PopUpState;

static const int SCROLL_SPEED = 8;
static const int BLACKOUT_SPEED = 3;

/// This structure represents a scene that is stored in a stack.
/// The main appeal of this data type is dynamic creation of different
/// scenes that don't depend on global state
typedef struct {
    bool (*Update)(void *self);
    bool (*Draw)(void *self);
    void (*Deint)(void *self);
    /// Is called when the scene becomes active after the next scene was popped
    void (*Reopen)(void *self, PopUpState PreviousSceneState);
    PopUpState (*GetCurrentState)(void *self);
    /// A generic pointer to whatever data the scene needs. You will have to
    /// cast it yourself
    void *data;
    // Set this to true if the previous scene should be rendered
    bool IsTransparent;
} Scene;

bool InitSceneStack();

bool AddScene(Scene *newScene);
void DeleteSceneFromStack();

bool DrawScene();
bool UpdateScene();

Scene *CreateMainMenu();
Scene *CreatePuzzleScene(Puzzle *puzzle);
/// Expects a callback to add time (second argument = amount of seconds) to the scene.
Scene *CreateDistractionScene(DistractionPuzzle *puzzle, void (*addTime)(Scene *, size_t));
Scene *CreateResultView(SubmitionResult *result);

Scene *CreatePuzzleCollectionScene(CollectionElement *el, bool smooothEntry);
Scene *CreatePuzzlePreview(Puzzle *puzzle);

#endif // SCENES_H