#ifndef FILEWATCH_H_
#define FILEWATCH_H_

#include "array/array.h"
#include "types.h"

typedef struct FileWatcherContext FileWatcherContext;
typedef struct FileWatch FileWatch;

/**
 * Search for a FileWatch matching by watch descriptor.
 *
 * @param ctx
 * @param wd Watch descriptor given by inotipy
 * @param index Will contain the first occurrance of a matching FileWatch. Can
 * be null.
 */
FileWatch *file_watch_find_by_wd(FileWatcherContext *ctx, int wd,
                                 size_t *index);
/**
 * Search for a FileWatch in a particular context matching by filepath.
 * @param ctx
 * @param path An absolute path for the file searched for
 * @param index Will contain the first occurrance of a matching FileWatch. Can
 * be null.  */
FileWatch *file_watch_find_by_path(FileWatcherContext *ctx, const char *path,
                                   size_t *index);

/**
 * Create FileWatch, start monitoring for changes and generating events.
 *
 * Creats a parent FileWatch if it doesn't already exist.
 */
HiResult file_watch_add(FileWatcherContext *ctx, u32 mask, const char *path);

/**
 * Stop a watch, clear all references and free memory
 */
HiResult file_watch_remove(FileWatcherContext *ctx, const char *path);

/**
 * Free memory and clear all watches in this context
 */
void file_watch_destroy_watches(FileWatcherContext *ctx);

#endif // FILEWATCH_H_