#pragma once

#include <al/array.h>
#include <al/atomic.h>
#ifdef CAMU_SCREEN_THREADED
#include <nnwt/thread.h>
#endif
#include <stl/window.h>

#include "../buffer/video.h"
#include "../render/renderer.h"

#include "view.h"

#define CAMU_SCREEN_DEBUG_KEY

// Interpret click and drag as seeking. Mainly a seek performance test.
//#define CAMU_SCREEN_DRAG_SEEK

#define CAMU_SCREEN_WIDTH 700
#define CAMU_SCREEN_HEIGHT 700

enum {
    CAMU_SCREEN_MOD_SHIFT = 1,
    CAMU_SCREEN_MOD_CONTROL = 1 << 1,
    CAMU_SCREEN_DRAGGING = 1 << 2,
    CAMU_SCREEN_MOUSE_MOD = 1 << 3,
    CAMU_SCREEN_ZOOMING = 1 << 4,
    CAMU_SCREEN_ZOOM_PAN_SIMPLE = 1 << 5,
    CAMU_SCREEN_ZOOM_FOV = 1 << 6
};

enum {
    CAMU_SCREEN_PAUSED = 0,
    CAMU_SCREEN_PLAYING
};

enum {
    CAMU_SCREEN_SET_VOLUME = 0, // f32
    CAMU_SCREEN_OFFSET_VOLUME, // f32
    CAMU_SCREEN_SKIP, // s32
    CAMU_SCREEN_TOGGLE_PAUSE,
    CAMU_SCREEN_PERCENT_SEEK, // f64
    CAMU_SCREEN_RELATIVE_SEEK, // f64
    CAMU_SCREEN_RESEEK,
    CAMU_SCREEN_SHUFFLE,
    CAMU_SCREEN_STATUS,
#ifdef CAMU_SCREEN_DEBUG_KEY
    CAMU_SCREEN_DEBUG,
#endif
    CAMU_SCREEN_CLOSE
};

struct camu_screen_video {
    struct camu_view view;
    struct camu_video_buffer *buf;
};

struct camu_screen {
    atomic(s32) state;
    struct stl_window *window;
#ifdef STELA_EVENT_BUFFER
    struct nn_thread thread;
#endif
    struct camu_renderer *renderer;
    atomic(u32) force_refresh;
    u32 flags;
    u32 width;
    u32 height;
    bool fullscreen;
    bool scaling_disabled;
    bool transparent_background;
#ifdef CAMU_HAVE_SUBTITLES
    bool subtitles_enabled;
#endif
    u64 last_click_ts;
    f64 last_pointer_y;
    f64 last_pointer_x;
#ifdef CAMU_SCREEN_DRAG_SEEK
    u64 last_seek_ts;
#endif
    u8 vr_emulation;
    bool vr_left_eye;
    f64 vr_calibrate_x;
    f64 vr_calibrate_y;
    array(struct camu_screen_video) videos;
#ifdef CAMU_SCREEN_THREADED
    array(struct camu_video_buffer *) add_queue;
    array(struct camu_video_buffer *) rem_queue;
    atomic(bool) queued;
    struct nn_mutex mutex;
#endif
    void (*callback)(void *, u8, void *);
    void *userdata;
};

bool camu_screen_init(struct camu_screen *scr);
bool camu_screen_create_window(struct camu_screen *scr, const char *name);
bool camu_screen_create_renderer(struct camu_screen *scr, struct camu_renderer *renderer);
void camu_screen_add_buffer(struct camu_screen *scr, struct camu_video_buffer *buf);
void camu_screen_remove_buffer(struct camu_screen *scr, struct camu_video_buffer *buf);
#ifdef CAMU_SCREEN_THREADED
void camu_screen_run_queue(struct camu_screen *scr);
void camu_screen_clear(struct camu_screen *scr);
#endif
void camu_screen_set_state(struct camu_screen *scr, s32 state);
void camu_screen_force_refresh(struct camu_screen *scr);
bool camu_screen_poll(struct camu_screen *scr, bool block);
bool camu_screen_tick(struct camu_screen *scr, bool *force);
void camu_screen_wake(struct camu_screen *scr);
void camu_screen_close(struct camu_screen *scr);