/* ========================================================================= */
/**
 * @file output.h
 *
 * @copyright
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __WLMBE_OUTPUT_H__
#define __WLMBE_OUTPUT_H__

#include <libbase/libbase.h>
#include <stdbool.h>

#include "output_config.h"

/** Handle for an output device. */
typedef struct _wlmbe_output_t wlmbe_output_t;

struct wlr_output;
struct wlr_allocator;
struct wlr_renderer;
struct wlr_scene;

#ifdef __cplusplus
extern "C" {
#endif  // __cplusplus

/**
 * Creates an output device from `wlr_output_ptr`.
 *
 * @param wlr_output_ptr
 * @param wlr_allocator_ptr
 * @param wlr_renderer_ptr
 * @param wlr_scene_ptr
 * @param config_ptr
 * @param width
 * @param height
 *
 * @return The output device handle or NULL on error.
 */
wlmbe_output_t *wlmbe_output_create(
    struct wlr_output *wlr_output_ptr,
    struct wlr_allocator *wlr_allocator_ptr,
    struct wlr_renderer *wlr_renderer_ptr,
    struct wlr_scene *wlr_scene_ptr,
    wlmbe_output_config_t *config_ptr,
    int width,
    int height);

/**
 * Destroys the output device handle, as created by @ref wlmbe_output_create.
 *
 * @param output_ptr
 */
void wlmbe_output_destroy(wlmbe_output_t *output_ptr);

/** @return A long description string, @see wlmbe_output_t::description_ptr. */
const char *wlmbe_output_description(wlmbe_output_t *output_ptr);

/** Returns @ref wlmbe_output_t::wlr_output_ptr. */
struct wlr_output *wlmbe_wlr_output_from_output(wlmbe_output_t *output_ptr);

/**
 * Gets the attributes of this output.
 *
 * @param output_ptr
 *
 * @return pointer to @ref wlmbe_output_config_t::attributes of
 *     @ref wlmbe_output_t::output_config_ptr.
 */
const wlmbe_output_config_attributes_t *wlmbe_output_attributes(
    wlmbe_output_t *output_ptr);

/** Updates attributes from wlr_output, and from the given position data. */
void wlmbe_output_update_attributes(
    wlmbe_output_t *output_ptr,
    int x,
    int y,
    bool has_position);

/** Returns a pointer to @ref wlmbe_output_t::dlnode. */
bs_dllist_node_t *wlmbe_dlnode_from_output(wlmbe_output_t *output_ptr);

/** Returns the @ref wlmbe_output_t for @ref wlmbe_output_t::dlnode. */
wlmbe_output_t *wlmbe_output_from_dlnode(bs_dllist_node_t *dlnode_ptr);

#ifdef __cplusplus
}  // extern "C"
#endif  // __cplusplus

#endif /* __WLMBE_OUTPUT_H__ */
/* == End of output.h ====================================================== */
