/*
    This file is part of the KDE libraries
    SPDX-FileCopyrightText: 2000-2005 David Faure <faure@kde.org>

    SPDX-License-Identifier: LGPL-2.0-only
*/
#ifndef KIO_GLOBAL_H
#define KIO_GLOBAL_H

#include "kiocore_export.h"

#include <QFile> // for QFile::Permissions
#include <QString>

#include <KJob>

class QUrl;
class QTime;

#if defined(Q_OS_WIN) && defined(Q_CC_MSVC)
// on windows ssize_t is not defined, only SSIZE_T exists
#include <basetsd.h>
typedef SSIZE_T ssize_t;
#endif

/*!
 * \namespace KIO
 * \inmodule KIOCore
 * \brief A namespace for KIO globals.
 */
namespace KIO
{
/// 64-bit file offset
typedef qlonglong fileoffset_t;
/// 64-bit file size
typedef qulonglong filesize_t;

/*!
 * Converts \a size from bytes to the string representation.
 *
 * \a size  size in bytes
 *
 * Returns converted size as a string - e.g. 123.4 KiB , 12.0 MiB
 */
KIOCORE_EXPORT QString convertSize(KIO::filesize_t size);

/*!
 * Converts a size to a string representation
 * Not unlike QString::number(...)
 *
 * \a size size in bytes
 *
 * Returns converted size as a string - e.g. 123456789
 */
KIOCORE_EXPORT QString number(KIO::filesize_t size);

/*!
 * Converts size from kibi-bytes (2^10) to the string representation.
 *
 * \a kibSize  size in kibi-bytes (2^10)
 *
 * Returns converted size as a string - e.g. 123.4 KiB , 12.0 MiB
 */
KIOCORE_EXPORT QString convertSizeFromKiB(KIO::filesize_t kibSize);

/*!
 * Calculates remaining time in seconds from total size, processed size and speed.
 *
 * \a totalSize      total size in bytes
 *
 * \a processedSize  processed size in bytes
 *
 * \a speed          speed in bytes per second
 *
 * Returns calculated remaining time in seconds
 */
KIOCORE_EXPORT unsigned int calculateRemainingSeconds(KIO::filesize_t totalSize, KIO::filesize_t processedSize, KIO::filesize_t speed);

/*!
 * Convert @p seconds to a string representing number of days, hours, minutes and seconds
 *
 * \a seconds number of seconds to convert
 *
 * Returns string representation in a locale depending format
 */
KIOCORE_EXPORT QString convertSeconds(unsigned int seconds);

/*!
 * Helper for showing information about a set of files and directories
 * \a items the number of items (= @p files + @p dirs + number of symlinks :)
 *
 * \a files the number of files
 *
 * \a dirs the number of dirs
 *
 * \a size the sum of the size of the @p files
 *
 * \a showSize whether to show the size in the result
 *
 * Returns the summary string
 */
KIOCORE_EXPORT QString itemsSummaryString(uint items, uint files, uint dirs, KIO::filesize_t size, bool showSize);

/*!
 * Encodes (from the text displayed to the real filename)
 * This translates '/' into a "unicode fraction slash", QChar(0x2044).
 * Used by KIO::link, for instance.
 *
 * \a str the file name to encode
 *
 * Returns the encoded file name
 */
KIOCORE_EXPORT QString encodeFileName(const QString &str);
/*!
 * Decodes (from the filename to the text displayed)
 * This doesn't do anything anymore, it used to do the opposite of encodeFileName
 * when encodeFileName was using %2F for '/'.
 *
 * \a str the file name to decode
 *
 * Returns the decoded file name
 */
KIOCORE_EXPORT QString decodeFileName(const QString &str);

/*!
 * Error codes that can be emitted by KIO.
 *
 * \value [since 6.27] ERR_NONE No error
 * \value ERR_CANNOT_OPEN_FOR_READING
 * \value ERR_CANNOT_OPEN_FOR_WRITING
 * \value ERR_CANNOT_LAUNCH_PROCESS
 * \value ERR_INTERNAL
 * \value ERR_MALFORMED_URL
 * \value ERR_UNSUPPORTED_PROTOCOL
 * \value ERR_NO_SOURCE_PROTOCOL
 * \value ERR_UNSUPPORTED_ACTION
 * \value ERR_IS_DIRECTORY ... where a file was expected
 * \value ERR_IS_FILE ... where a directory was expected (e.g.\ listing)
 * \value ERR_DOES_NOT_EXIST
 * \value ERR_FILE_ALREADY_EXIST
 * \value ERR_DIR_ALREADY_EXIST
 * \value ERR_UNKNOWN_HOST
 * \value ERR_ACCESS_DENIED
 * \value ERR_WRITE_ACCESS_DENIED
 * \value ERR_CANNOT_ENTER_DIRECTORY
 * \value ERR_PROTOCOL_IS_NOT_A_FILESYSTEM
 * \value ERR_CYCLIC_LINK
 * \value ERR_USER_CANCELED
 * \value ERR_CYCLIC_COPY
 * \value ERR_CANNOT_CREATE_SOCKET
 * \value ERR_CANNOT_CONNECT
 * \value ERR_CONNECTION_BROKEN
 * \value ERR_NOT_FILTER_PROTOCOL
 * \value ERR_CANNOT_MOUNT
 * \value ERR_CANNOT_UNMOUNT
 * \value ERR_CANNOT_READ
 * \value ERR_CANNOT_WRITE
 * \value ERR_CANNOT_BIND
 * \value ERR_CANNOT_LISTEN
 * \value ERR_CANNOT_ACCEPT
 * \value ERR_CANNOT_LOGIN
 * \value ERR_CANNOT_STAT
 * \value ERR_CANNOT_CLOSEDIR
 * \value ERR_CANNOT_MKDIR
 * \value ERR_CANNOT_RMDIR
 * \value ERR_CANNOT_RESUME
 * \value ERR_CANNOT_RENAME
 * \value ERR_CANNOT_CHMOD
 * \value ERR_CANNOT_DELETE
 * \value [since 5.96] ERR_WORKER_DIED The text argument is the protocol that the dead worker supported. This means for example: file, ftp, http, ...
 * \value ERR_OUT_OF_MEMORY
 * \value ERR_UNKNOWN_PROXY_HOST
 * \value ERR_CANNOT_AUTHENTICATE
 * \value ERR_ABORTED Action got aborted from application side
 * \value ERR_INTERNAL_SERVER
 * \value ERR_SERVER_TIMEOUT
 * \value ERR_SERVICE_NOT_AVAILABLE
 * \value ERR_UNKNOWN
 * \value ERR_UNKNOWN_INTERRUPT
 * \value ERR_CANNOT_DELETE_ORIGINAL
 * \value ERR_CANNOT_DELETE_PARTIAL
 * \value ERR_CANNOT_RENAME_ORIGINAL
 * \value ERR_CANNOT_RENAME_PARTIAL
 * \value ERR_NEED_PASSWD
 * \value ERR_CANNOT_SYMLINK
 * \value ERR_NO_CONTENT Action succeeded but no content will follow
 * \value ERR_DISK_FULL
 * \value ERR_IDENTICAL_FILES src==dest when moving/copying
 * \value [since 5.96] ERR_WORKER_DEFINED For worker specified errors that can be rich text. Email links will be handled by the standard email app and all hrefs
 * will be handled by the standard browser. <a href="exec:/khelpcenter ?"> will be forked.
 * \value ERR_UPGRADE_REQUIRED A transport upgrade is required to access this object. For instance, TLS is demanded by the server in order to continue
 * \value ERR_POST_DENIED Issued when trying to POST data to a certain Ports
 * \value ERR_CANNOT_SEEK
 * \value ERR_CANNOT_SETTIME Emitted by setModificationTime
 * \value ERR_CANNOT_CHOWN
 * \value ERR_POST_NO_SIZE
 * \value [since 5.6] ERR_DROP_ON_ITSELF from KIO::DropJob
 * \value [since 5.18] ERR_CANNOT_MOVE_INTO_ITSELF emitted by KIO::move
 * \value [since 5.24] ERR_PASSWD_SERVER returned by WorkerBase::openPasswordDialog
 * \value [since 5.96] ERR_CANNOT_CREATE_WORKER used by Worker::createWorker
 * \value [since 5.54] ERR_FILE_TOO_LARGE_FOR_FAT32
 * \value [since 5.54] ERR_OWNER_DIED Value used between kuiserver and views when the job owner disappears unexpectedly. It should not be emitted by workers
 * \value [since 5.60] ERR_PRIVILEGE_NOT_REQUIRED used by file ioworker
 * \value [since 5.66] ERR_CANNOT_TRUNCATE used by FileJob::truncate
 * \value [since 5.88] ERR_SYMLINKS_NOT_SUPPORTED Indicates failure to create a symlink due to the underlying filesystem (FAT/ExFAT) not supporting them. Used
 * by e.g. CopyJob
 * \value [since 5.100] ERR_TRASH_FILE_TOO_LARGE Moving files/dirs to the Trash failed due to size constraints
 * \value [since 6.21] ERR_TRASH_NOT_AVAILABLE Moving files/dirs to the Trash failed because a trash directory is not available for their location.
 */
// TODO KF7: rename to Result, and ERR_NONE to OK
enum Error {
    ERR_NONE = KJob::NoError,
    ERR_CANNOT_OPEN_FOR_READING = KJob::UserDefinedError + 1,
    ERR_CANNOT_OPEN_FOR_WRITING = KJob::UserDefinedError + 2,
    ERR_CANNOT_LAUNCH_PROCESS = KJob::UserDefinedError + 3,
    ERR_INTERNAL = KJob::UserDefinedError + 4,
    ERR_MALFORMED_URL = KJob::UserDefinedError + 5,
    ERR_UNSUPPORTED_PROTOCOL = KJob::UserDefinedError + 6,
    ERR_NO_SOURCE_PROTOCOL = KJob::UserDefinedError + 7,
    ERR_UNSUPPORTED_ACTION = KJob::UserDefinedError + 8,
    ERR_IS_DIRECTORY = KJob::UserDefinedError + 9,
    ERR_IS_FILE = KJob::UserDefinedError + 10,
    ERR_DOES_NOT_EXIST = KJob::UserDefinedError + 11,
    ERR_FILE_ALREADY_EXIST = KJob::UserDefinedError + 12,
    ERR_DIR_ALREADY_EXIST = KJob::UserDefinedError + 13,
    ERR_UNKNOWN_HOST = KJob::UserDefinedError + 14,
    ERR_ACCESS_DENIED = KJob::UserDefinedError + 15,
    ERR_WRITE_ACCESS_DENIED = KJob::UserDefinedError + 16,
    ERR_CANNOT_ENTER_DIRECTORY = KJob::UserDefinedError + 17,
    ERR_PROTOCOL_IS_NOT_A_FILESYSTEM = KJob::UserDefinedError + 18,
    ERR_CYCLIC_LINK = KJob::UserDefinedError + 19,
    ERR_USER_CANCELED = KJob::KilledJobError,
    ERR_CYCLIC_COPY = KJob::UserDefinedError + 21,
    ERR_CANNOT_CREATE_SOCKET = KJob::UserDefinedError + 22,
    ERR_CANNOT_CONNECT = KJob::UserDefinedError + 23,
    ERR_CONNECTION_BROKEN = KJob::UserDefinedError + 24,
    ERR_NOT_FILTER_PROTOCOL = KJob::UserDefinedError + 25,
    ERR_CANNOT_MOUNT = KJob::UserDefinedError + 26,
    ERR_CANNOT_UNMOUNT = KJob::UserDefinedError + 27,
    ERR_CANNOT_READ = KJob::UserDefinedError + 28,
    ERR_CANNOT_WRITE = KJob::UserDefinedError + 29,
    ERR_CANNOT_BIND = KJob::UserDefinedError + 30,
    ERR_CANNOT_LISTEN = KJob::UserDefinedError + 31,
    ERR_CANNOT_ACCEPT = KJob::UserDefinedError + 32,
    ERR_CANNOT_LOGIN = KJob::UserDefinedError + 33,
    ERR_CANNOT_STAT = KJob::UserDefinedError + 34,
    ERR_CANNOT_CLOSEDIR = KJob::UserDefinedError + 35,
    ERR_CANNOT_MKDIR = KJob::UserDefinedError + 37,
    ERR_CANNOT_RMDIR = KJob::UserDefinedError + 38,
    ERR_CANNOT_RESUME = KJob::UserDefinedError + 39,
    ERR_CANNOT_RENAME = KJob::UserDefinedError + 40,
    ERR_CANNOT_CHMOD = KJob::UserDefinedError + 41,
    ERR_CANNOT_DELETE = KJob::UserDefinedError + 42,
    ERR_WORKER_DIED = KJob::UserDefinedError + 43,
    ERR_OUT_OF_MEMORY = KJob::UserDefinedError + 44,
    ERR_UNKNOWN_PROXY_HOST = KJob::UserDefinedError + 45,
    ERR_CANNOT_AUTHENTICATE = KJob::UserDefinedError + 46,
    ERR_ABORTED = KJob::UserDefinedError + 47,
    ERR_INTERNAL_SERVER = KJob::UserDefinedError + 48,
    ERR_SERVER_TIMEOUT = KJob::UserDefinedError + 49,
    ERR_SERVICE_NOT_AVAILABLE = KJob::UserDefinedError + 50,
    ERR_UNKNOWN = KJob::UserDefinedError + 51,
    // (was a warning) ERR_CHECKSUM_MISMATCH = 52,
    ERR_UNKNOWN_INTERRUPT = KJob::UserDefinedError + 53,
    ERR_CANNOT_DELETE_ORIGINAL = KJob::UserDefinedError + 54,
    ERR_CANNOT_DELETE_PARTIAL = KJob::UserDefinedError + 55,
    ERR_CANNOT_RENAME_ORIGINAL = KJob::UserDefinedError + 56,
    ERR_CANNOT_RENAME_PARTIAL = KJob::UserDefinedError + 57,
    ERR_NEED_PASSWD = KJob::UserDefinedError + 58,
    ERR_CANNOT_SYMLINK = KJob::UserDefinedError + 59,
    ERR_NO_CONTENT = KJob::UserDefinedError + 60,
    ERR_DISK_FULL = KJob::UserDefinedError + 61,
    ERR_IDENTICAL_FILES = KJob::UserDefinedError + 62,
    ERR_WORKER_DEFINED = KJob::UserDefinedError + 63,
    ERR_UPGRADE_REQUIRED = KJob::UserDefinedError + 64,
    ERR_POST_DENIED = KJob::UserDefinedError + 65,
    ERR_CANNOT_SEEK = KJob::UserDefinedError + 66,
    ERR_CANNOT_SETTIME = KJob::UserDefinedError + 67,
    ERR_CANNOT_CHOWN = KJob::UserDefinedError + 68,
    ERR_POST_NO_SIZE = KJob::UserDefinedError + 69,
    ERR_DROP_ON_ITSELF = KJob::UserDefinedError + 70,
    ERR_CANNOT_MOVE_INTO_ITSELF = KJob::UserDefinedError + 71,
    ERR_PASSWD_SERVER = KJob::UserDefinedError + 72,
    ERR_CANNOT_CREATE_WORKER = KJob::UserDefinedError + 73,
    ERR_FILE_TOO_LARGE_FOR_FAT32 = KJob::UserDefinedError + 74,
    ERR_OWNER_DIED = KJob::UserDefinedError + 75,
    ERR_PRIVILEGE_NOT_REQUIRED = KJob::UserDefinedError + 76,
    ERR_CANNOT_TRUNCATE = KJob::UserDefinedError + 77,
    ERR_SYMLINKS_NOT_SUPPORTED = KJob::UserDefinedError + 78,
    ERR_TRASH_FILE_TOO_LARGE = KJob::UserDefinedError + 79,
    ERR_TRASH_NOT_AVAILABLE = KJob::UserDefinedError + 80,
};

#if KIOCORE_ENABLE_DEPRECATED_SINCE(6, 6)
/*!
 * Specifies how to use the cache.
 * \sa parseCacheControl()
 * \sa getCacheControlString()
 * \deprecated[6.6]
 * Not used
 * \value CC_CacheOnly Fail request if not in cache
 * \value CC_Cache Use cached entry if available
 * \value CC_Verify Validate cached entry with remote site if expired
 * \value CC_Refresh Always validate cached entry with remote site
 * \value CC_Reload Always fetch from remote site
 */
enum KIOCORE_DEPRECATED_VERSION(6, 6, "Not used") CacheControl {
    CC_CacheOnly,
    CC_Cache,
    CC_Verify,
    CC_Refresh,
    CC_Reload,
};
#endif

#if KIOCORE_ENABLE_DEPRECATED_SINCE(6, 19)
/*!
 * Specifies privilege file operation status.
 * \since 5.43
 *
 * \value OperationAllowed
 * \value OperationCanceled
 * \value OperationNotAllowed
 *
 * \deprecated[6.19]
 */
enum PrivilegeOperationStatus {
    OperationAllowed = 1,
    OperationCanceled,
    OperationNotAllowed,
};
#endif

/*!
 * Describes the fields that a stat command will retrieve
 * \sa UDSEntry
 * \since 5.69
 *
 * \value StatNoDetails No field returned, useful to check if a file exists
 * \value StatBasic Filename, access, type, size, linkdest
 * \value StatUser uid, gid
 * \value StatTime
 * \value StatResolveSymlink Resolve symlinks
 * \value StatAcl ACL data
 * \value StatInode dev, inode
 * \value [since 5.70] StatRecursiveSize Recursive size
 * \value [since 5.82] StatMimeType MIME type
 * \value StatDefaultDetails Default StatDetail flag when creating a StatJob. Equivalent to setting \c{StatBasic | StatUser | StatTime | StatAcl |
 * StatResolveSymlink}
 * \value [since 6.23] StatSubVolId in case the filesystem supports it, return its subvol Identifier
 * \value [since 6.23] StatMountId the unique mount identifier, see man statx
 * \value [since 6.24] StatTimeNsOffset Stat will provide nanosecond precision offsets when available
 */
enum StatDetail {
    StatNoDetails = 0x0,
    StatBasic = 0x1,
    StatUser = 0x2,
    StatTime = 0x4,
    StatResolveSymlink = 0x8,
    StatAcl = 0x10,
    StatDefaultDetails = StatBasic | StatUser | StatTime | StatAcl | StatResolveSymlink,
    StatInode = 0x20,
    StatRecursiveSize = 0x40,
    StatMimeType = 0x80,
    StatSubVolId = 0x100,
    StatMountId = 0x200,
    StatTimeNsOffset = 0x400 | StatTime,
};
Q_DECLARE_FLAGS(StatDetails, StatDetail)

Q_DECLARE_OPERATORS_FOR_FLAGS(KIO::StatDetails)

#if KIOCORE_ENABLE_DEPRECATED_SINCE(6, 6)
/*!
 * Parses the string representation of the cache control option.
 *
 * \a cacheControl the string representation
 *
 * Returns the cache control value.
 *
 * Not used
 *
 * \sa getCacheControlString()
 * \deprecated[6.6]
 */
KIOCORE_EXPORT KIO::CacheControl parseCacheControl(const QString &cacheControl);
#endif

#if KIOCORE_ENABLE_DEPRECATED_SINCE(6, 6)
/*!
 * Returns a string representation of the given cache control method.
 *
 * \a cacheControl the cache control method
 *
 * Returns the string representation
 *
 * Not used.
 *
 * \sa parseCacheControl()
 * \deprecated[6.6]
 */
KIOCORE_DEPRECATED_VERSION(6, 6, "Not used")
KIOCORE_EXPORT QString getCacheControlString(KIO::CacheControl cacheControl);
#endif

/*!
 * Return the "favicon" (see http://www.favicon.com) for the given \a url,
 * if available. Does NOT attempt to download the favicon, it only returns
 * one that is already available.
 *
 * If unavailable, returns QString().
 * Use KIO::FavIconRequestJob instead of this method if you can wait
 * for the favicon to be downloaded.
 *
 * \a url the URL of the favicon
 *
 * Returns the path to the icon (to be passed to QIcon()), or QString()
 *
 * \since 5.0
 */
KIOCORE_EXPORT QString favIconForUrl(const QUrl &url);

/*!
 * Converts KIO file permissions from mode_t to QFile::Permissions format.
 *
 * This is a convenience function for converting KIO permissions parameter from
 * mode_t to QFile::Permissions.
 *
 * \a permissions KIO file permissions.
 *
 * Returns -1 if \a permissions is -1, otherwise its OR'ed QFile::Permission equivalent.
 */
KIOCORE_EXPORT QFile::Permissions convertPermissions(int permissions);

/*!
 * Return the icon name for a URL.
 * Most of the time this returns the MIME type icon,
 * but also has fallback to favicon and protocol-specific icon.
 *
 * Pass this to QIcon::fromTheme().
 *
 * \since 5.0
 */
KIOCORE_EXPORT QString iconNameForUrl(const QUrl &url);

/*!
 * This function is useful to implement the "Up" button in a file manager for example.
 *
 * Returns a URL that is a level higher
 *
 * \since 5.0
 */
KIOCORE_EXPORT QUrl upUrl(const QUrl &url);

}
#endif
