#pragma once

#include "utils.h"

/// @brief Structure used to store information about a qcow2 disk.
typedef struct {
	/// @brief The virtual size of the disk, in bytes.
	uint64_t virtual_size;
	/// @brief The actual size of the disk, in bytes.
	uint64_t actual_size;
	/// @brief The path of the backing disk of this disk. If this disk is not a backing disk, this field is NULL.
	char* backing_path;
	/// @brief The name of the backing disk of this disk. If this disk is not a backing disk, this field is NULL.
	char* backing_name;
} disk_info_t;

/// @brief Reads the information of the specified qcow2 disk.
/// @param _info The pointer to where the disk information should be stored. The caller is responsible for freeing the disk information.
/// @param disk The disk to read the information of.
/// @return The result of the operation.
result_t read_disk_info(disk_info_t** _info, const char* disk);

/// @brief Frees the specified disk information.
/// @param info The disk information to free.
void free_disk_info(disk_info_t* info);

/// @brief Creates a new root (empty) qcow2 disk with the specified size.
/// @param disk The path of the disk to create. Any existing file at this path will be overwritten.
/// @param size The size of the disk to create, in bytes.
/// @return The result of the operation.
result_t create_root_disk(const char* disk, uint64_t size);

/// @brief Creates a new backed qcow2 disk with the specified backing disk.
/// @param disk The path of the disk to create. Any existing file at this path will be overwritten.
/// @param backing The backing disk to use.
/// @return The result of the operation.
result_t create_backed_disk(const char* disk, const char* backing);

/// @brief Rebacks the specified qcow2 disk to the specified backing disk.
/// @param disk The disk to reback.
/// @param backing The backing disk to use.
/// @return The result of the operation.
result_t reback_disk(const char* disk, const char* backing);

/// @brief Resets the specified qcow2 disk to its original state.
/// @param disk The disk to reset.
/// @return The result of the operation.
result_t reset_disk(const char* disk);

/// @brief Trims (removes unused sparse space) the specified qcow2 disk.
/// @param disk The disk to trim.
/// @return The result of the operation.
result_t trim_disk(const char* disk);