#pragma once

#include <obs.h>
#include <util/darray.h>

#ifdef __cplusplus
extern "C" {
#endif

struct config_data;
typedef struct config_data config_t;

struct obs_data;
typedef struct obs_data obs_data_t;

enum obs_frontend_event {
	OBS_FRONTEND_EVENT_STREAMING_STARTING,
	OBS_FRONTEND_EVENT_STREAMING_STARTED,
	OBS_FRONTEND_EVENT_STREAMING_STOPPING,
	OBS_FRONTEND_EVENT_STREAMING_STOPPED,
	OBS_FRONTEND_EVENT_RECORDING_STARTING,
	OBS_FRONTEND_EVENT_RECORDING_STARTED,
	OBS_FRONTEND_EVENT_RECORDING_STOPPING,
	OBS_FRONTEND_EVENT_RECORDING_STOPPED,
	OBS_FRONTEND_EVENT_SCENE_CHANGED,
	OBS_FRONTEND_EVENT_SCENE_LIST_CHANGED,
	OBS_FRONTEND_EVENT_TRANSITION_CHANGED,
	OBS_FRONTEND_EVENT_TRANSITION_STOPPED,
	OBS_FRONTEND_EVENT_TRANSITION_LIST_CHANGED,
	OBS_FRONTEND_EVENT_SCENE_COLLECTION_CHANGED,
	OBS_FRONTEND_EVENT_SCENE_COLLECTION_LIST_CHANGED,
	OBS_FRONTEND_EVENT_PROFILE_CHANGED,
	OBS_FRONTEND_EVENT_PROFILE_LIST_CHANGED,
	OBS_FRONTEND_EVENT_EXIT,

	OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTING,
	OBS_FRONTEND_EVENT_REPLAY_BUFFER_STARTED,
	OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPING,
	OBS_FRONTEND_EVENT_REPLAY_BUFFER_STOPPED,

	OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED,
	OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED,
	OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED,

	OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP,
	OBS_FRONTEND_EVENT_FINISHED_LOADING,

	OBS_FRONTEND_EVENT_RECORDING_PAUSED,
	OBS_FRONTEND_EVENT_RECORDING_UNPAUSED,

	OBS_FRONTEND_EVENT_TRANSITION_DURATION_CHANGED,
	OBS_FRONTEND_EVENT_REPLAY_BUFFER_SAVED,
};

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

#ifndef SWIG

struct obs_frontend_source_list {
	DARRAY(obs_source_t *) sources;
};

static inline void
obs_frontend_source_list_free(struct obs_frontend_source_list *source_list)
{
	size_t num = source_list->sources.num;
	for (size_t i = 0; i < num; i++)
		obs_source_release(source_list->sources.array[i]);
	da_free(source_list->sources);
}

#endif //!SWIG

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

/* NOTE: Functions that return char** string lists are a single allocation of
 * memory with pointers to itself.  Free with a single call to bfree on the
 * base char** pointer. */

/* NOTE: User interface should not use typical Qt locale translation methods,
 * as the OBS UI bypasses it to use a custom translation implementation.  Use
 * standard module translation methods, obs_module_text.  For text in a Qt
 * window, use obs_frontend_push_ui_translation when the text is about to be
 * translated, and obs_frontend_pop_ui_translation when translation is
 * complete. */

#ifndef SWIG

EXPORT void *obs_frontend_get_main_window(void);
EXPORT void *obs_frontend_get_main_window_handle(void);
EXPORT void *obs_frontend_get_system_tray(void);

EXPORT char **obs_frontend_get_scene_names(void);
EXPORT void obs_frontend_get_scenes(struct obs_frontend_source_list *sources);
EXPORT obs_source_t *obs_frontend_get_current_scene(void);
EXPORT void obs_frontend_set_current_scene(obs_source_t *scene);

EXPORT void
obs_frontend_get_transitions(struct obs_frontend_source_list *sources);
EXPORT obs_source_t *obs_frontend_get_current_transition(void);
EXPORT void obs_frontend_set_current_transition(obs_source_t *transition);
EXPORT int obs_frontend_get_transition_duration(void);
EXPORT void obs_frontend_set_transition_duration(int duration);
EXPORT void obs_frontend_release_tbar(void);
EXPORT void obs_frontend_set_tbar_position(int position);

EXPORT char **obs_frontend_get_scene_collections(void);
EXPORT char *obs_frontend_get_current_scene_collection(void);
EXPORT void obs_frontend_set_current_scene_collection(const char *collection);
EXPORT bool obs_frontend_add_scene_collection(const char *name);

EXPORT char **obs_frontend_get_profiles(void);
EXPORT char *obs_frontend_get_current_profile(void);
EXPORT void obs_frontend_set_current_profile(const char *profile);

typedef void (*obs_frontend_cb)(void *private_data);

EXPORT void *obs_frontend_add_tools_menu_qaction(const char *name);
EXPORT void obs_frontend_add_tools_menu_item(const char *name,
					     obs_frontend_cb callback,
					     void *private_data);

/* takes QDockWidget and returns QAction */
EXPORT void *obs_frontend_add_dock(void *dock);

typedef void (*obs_frontend_event_cb)(enum obs_frontend_event event,
				      void *private_data);

EXPORT void obs_frontend_add_event_callback(obs_frontend_event_cb callback,
					    void *private_data);
EXPORT void obs_frontend_remove_event_callback(obs_frontend_event_cb callback,
					       void *private_data);

typedef void (*obs_frontend_save_cb)(obs_data_t *save_data, bool saving,
				     void *private_data);

EXPORT void obs_frontend_add_save_callback(obs_frontend_save_cb callback,
					   void *private_data);
EXPORT void obs_frontend_remove_save_callback(obs_frontend_save_cb callback,
					      void *private_data);

EXPORT void obs_frontend_add_preload_callback(obs_frontend_save_cb callback,
					      void *private_data);
EXPORT void obs_frontend_remove_preload_callback(obs_frontend_save_cb callback,
						 void *private_data);

typedef bool (*obs_frontend_translate_ui_cb)(const char *text,
					     const char **out);

EXPORT void
obs_frontend_push_ui_translation(obs_frontend_translate_ui_cb translate);
EXPORT void obs_frontend_pop_ui_translation(void);

#endif //!SWIG

EXPORT void obs_frontend_streaming_start(void);
EXPORT void obs_frontend_streaming_stop(void);
EXPORT bool obs_frontend_streaming_active(void);

EXPORT void obs_frontend_recording_start(void);
EXPORT void obs_frontend_recording_stop(void);
EXPORT bool obs_frontend_recording_active(void);
EXPORT void obs_frontend_recording_pause(bool pause);
EXPORT bool obs_frontend_recording_paused(void);

EXPORT void obs_frontend_replay_buffer_start(void);
EXPORT void obs_frontend_replay_buffer_save(void);
EXPORT void obs_frontend_replay_buffer_stop(void);
EXPORT bool obs_frontend_replay_buffer_active(void);

EXPORT void obs_frontend_open_projector(const char *type, int monitor,
					const char *geometry, const char *name);
EXPORT void obs_frontend_save(void);
EXPORT void obs_frontend_defer_save_begin(void);
EXPORT void obs_frontend_defer_save_end(void);

EXPORT obs_output_t *obs_frontend_get_streaming_output(void);
EXPORT obs_output_t *obs_frontend_get_recording_output(void);
EXPORT obs_output_t *obs_frontend_get_replay_buffer_output(void);

EXPORT config_t *obs_frontend_get_profile_config(void);
EXPORT config_t *obs_frontend_get_global_config(void);

EXPORT void obs_frontend_set_streaming_service(obs_service_t *service);
EXPORT obs_service_t *obs_frontend_get_streaming_service(void);
EXPORT void obs_frontend_save_streaming_service(void);

EXPORT bool obs_frontend_preview_program_mode_active(void);
EXPORT void obs_frontend_set_preview_program_mode(bool enable);
EXPORT void obs_frontend_preview_program_trigger_transition(void);

EXPORT void obs_frontend_set_preview_enabled(bool enable);
EXPORT bool obs_frontend_preview_enabled(void);

EXPORT obs_source_t *obs_frontend_get_current_preview_scene(void);
EXPORT void obs_frontend_set_current_preview_scene(obs_source_t *scene);

EXPORT void obs_frontend_take_screenshot(void);
EXPORT void obs_frontend_take_source_screenshot(obs_source_t *source);

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

#ifdef __cplusplus
}
#endif