/**
 * Copyright (c) 2011-2022 Bill Greiman
 * This file is part of the SdFat library for SD memory cards.
 *
 * MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#ifndef ExFatVolume_h
#define ExFatVolume_h
#include "ExFatFile.h"
//==============================================================================
/**
 * \class ExFatVolume
 * \brief exFAT volume.
 */
class ExFatVolume : public ExFatPartition
{
  public:
    ExFatVolume()
    {
    }
    /** Get file's user settable attributes.
     * \param[in] path path to file.
     * \return user settable file attributes for success else -1.
     */
    int attrib(const char *path)
    {
        ExFatFile tmpFile;
        return tmpFile.open(this, path, O_RDONLY) ? tmpFile.attrib() : -1;
    }
    /** Set file's user settable attributes.
     * \param[in] path path to file.
     * \param[in] bits bit-wise or of selected attributes: FS_ATTRIB_READ_ONLY,
     *            FS_ATTRIB_HIDDEN, FS_ATTRIB_SYSTEM, FS_ATTRIB_ARCHIVE.
     *
     * \return true for success or false for failure.
     */
    bool attrib(const char *path, uint8_t bits)
    {
        ExFatFile tmpFile;
        return tmpFile.open(this, path, O_RDONLY) ? tmpFile.attrib(bits) : false;
    }
    /**
     * Initialize an FatVolume object.
     * \param[in] dev Device block driver.
     * \param[in] setCwv Set current working volume if true.
     * \param[in] part Partition to initialize.
     * \param[in] volStart Start sector of volume if part is zero.
     * \return true for success or false for failure.
     */
    bool begin(FsBlockDevice *dev, bool setCwv = true, uint8_t part = 1, uint32_t volStart = 0)
    {
        if (!init(dev, part, volStart))
        {
            return false;
        }
        if (!chdir())
        {
            return false;
        }
        if (setCwv || !m_cwv)
        {
            m_cwv = this;
        }
        return true;
    }
    /**
     * Set volume working directory to root.
     * \return true for success or false for failure.
     */
    bool chdir()
    {
        m_vwd.close();
        return m_vwd.openRoot(this);
    }
    /**
     * Set volume working directory.
     * \param[in] path Path for volume working directory.
     * \return true for success or false for failure.
     */
    bool chdir(const char *path);

    /** Change global working volume to this volume. */
    void chvol()
    {
        m_cwv = this;
    }

    /**
     * Test for the existence of a file.
     *
     * \param[in] path Path of the file to be tested for.
     *
     * \return true if the file exists else false.
     */
    bool exists(const char *path)
    {
        ExFatFile tmp;
        return tmp.open(this, path, O_RDONLY);
    }
    //----------------------------------------------------------------------------
    /** List the directory contents of the root directory.
     *
     * \param[in] pr Print stream for list.
     *
     * \param[in] flags The inclusive OR of
     *
     * LS_DATE - %Print file modification date
     *
     * LS_SIZE - %Print file size.
     *
     * LS_R - Recursive list of subdirectories.
     *
     * \return true for success or false for failure.
     */
    bool ls(print_t *pr, uint8_t flags = 0)
    {
        return m_vwd.ls(pr, flags);
    }
    /** List the contents of a directory.
     *
     * \param[in] pr Print stream for list.
     *
     * \param[in] path directory to list.
     *
     * \param[in] flags The inclusive OR of
     *
     * LS_DATE - %Print file modification date
     *
     * LS_SIZE - %Print file size.
     *
     * LS_R - Recursive list of subdirectories.
     *
     * \return true for success or false for failure.
     */
    bool ls(print_t *pr, const char *path, uint8_t flags)
    {
        ExFatFile dir;
        return dir.open(this, path, O_RDONLY) && dir.ls(pr, flags);
    }
    /** Make a subdirectory in the volume root directory.
     *
     * \param[in] path A path with a valid 8.3 DOS name for the subdirectory.
     *
     * \param[in] pFlag Create missing parent directories if true.
     *
     * \return true for success or false for failure.
     */
    bool mkdir(const char *path, bool pFlag = true)
    {
        ExFatFile sub;
        return sub.mkdir(vwd(), path, pFlag);
    }
    /** open a file
     *
     * \param[in] path location of file to be opened.
     * \param[in] oflag open flags.
     * \return a ExFile object.
     */
    ExFile open(const char *path, oflag_t oflag = O_RDONLY)
    {
        ExFile tmpFile;
        tmpFile.open(this, path, oflag);
        return tmpFile;
    }
    /** Remove a file from the volume root directory.
     *
     * \param[in] path A path with a valid 8.3 DOS name for the file.
     *
     * \return true for success or false for failure.
     */
    bool remove(const char *path)
    {
        ExFatFile tmp;
        return tmp.open(this, path, O_WRONLY) && tmp.remove();
    }
    /** Rename a file or subdirectory.
     *
     * \param[in] oldPath Path name to the file or subdirectory to be renamed.
     *
     * \param[in] newPath New path name of the file or subdirectory.
     *
     * The \a newPath object must not exist before the rename call.
     *
     * The file to be renamed must not be open.  The directory entry may be
     * moved and file system corruption could occur if the file is accessed by
     * a file object that was opened before the rename() call.
     *
     * \return true for success or false for failure.
     */
    bool rename(const char *oldPath, const char *newPath)
    {
        ExFatFile file;
        return file.open(vwd(), oldPath, O_RDONLY) && file.rename(vwd(), newPath);
    }
    /** Remove a subdirectory from the volume's working directory.
     *
     * \param[in] path A path with a valid 8.3 DOS name for the subdirectory.
     *
     * The subdirectory file will be removed only if it is empty.
     *
     * \return true for success or false for failure.
     */
    bool rmdir(const char *path)
    {
        ExFatFile sub;
        return sub.open(this, path, O_RDONLY) && sub.rmdir();
    }
    /** Truncate a file to a specified length.  The current file position
     * will be at the new EOF.
     *
     * \param[in] path A path with a valid 8.3 DOS name for the file.
     * \param[in] length The desired length for the file.
     *
     * \return true for success or false for failure.
     */
    bool truncate(const char *path, uint64_t length)
    {
        ExFatFile file;
        if (!file.open(this, path, O_WRONLY))
        {
            return false;
        }
        return file.truncate(length);
    }
#if ENABLE_ARDUINO_SERIAL
    /** List the directory contents of the root directory to Serial.
     *
     * \return true for success or false for failure.
     */
    bool ls()
    {
        return ls(&Serial);
    }
    /** List the directory contents of the volume root to Serial.
     *
     * \param[in] flags The inclusive OR of
     *
     * LS_DATE - %Print file modification date
     *
     * LS_SIZE - %Print file size.
     *
     * LS_R - Recursive list of subdirectories.
     *
     * \return true for success or false for failure.
     */
    bool ls(uint8_t flags)
    {
        return ls(&Serial, flags);
    }
    /** List the directory contents of a directory to Serial.
     *
     * \param[in] path directory to list.
     *
     * \param[in] flags The inclusive OR of
     *
     * LS_DATE - %Print file modification date
     *
     * LS_SIZE - %Print file size.
     *
     * LS_R - Recursive list of subdirectories.
     *
     * \return true for success or false for failure.
     */
    bool ls(const char *path, uint8_t flags = 0)
    {
        return ls(&Serial, path, flags);
    }
#endif // ENABLE_ARDUINO_SERIAL
#if ENABLE_ARDUINO_STRING
    /**
     * Set volume working directory.
     * \param[in] path Path for volume working directory.
     * \return true for success or false for failure.
     */
    bool chdir(const String &path)
    {
        return chdir(path.c_str());
    }
    /** Test for the existence of a file in a directory
     *
     * \param[in] path Path of the file to be tested for.
     *
     * \return true if the file exists else false.
     */
    bool exists(const String &path)
    {
        return exists(path.c_str());
    }
    /** Make a subdirectory in the volume root directory.
     *
     * \param[in] path A path with a valid 8.3 DOS name for the subdirectory.
     *
     * \param[in] pFlag Create missing parent directories if true.
     *
     * \return true for success or false for failure.
     */
    bool mkdir(const String &path, bool pFlag = true)
    {
        return mkdir(path.c_str(), pFlag);
    }
    /** open a file
     *
     * \param[in] path location of file to be opened.
     * \param[in] oflag open oflag flags.
     * \return a ExFile object.
     */
    ExFile open(const String &path, oflag_t oflag = O_RDONLY)
    {
        return open(path.c_str(), oflag);
    }
    /** Remove a file from the volume root directory.
     *
     * \param[in] path A path with a valid name for the file.
     *
     * \return true for success or false for failure.
     */
    bool remove(const String &path)
    {
        return remove(path.c_str());
    }
    /** Rename a file or subdirectory.
     *
     * \param[in] oldPath Path name to the file or subdirectory to be renamed.
     *
     * \param[in] newPath New path name of the file or subdirectory.
     *
     * The \a newPath object must not exist before the rename call.
     *
     * The file to be renamed must not be open.  The directory entry may be
     * moved and file system corruption could occur if the file is accessed by
     * a file object that was opened before the rename() call.
     *
     * \return true for success or false for failure.
     */
    bool rename(const String &oldPath, const String &newPath)
    {
        return rename(oldPath.c_str(), newPath.c_str());
    }
    /** Remove a subdirectory from the volume's working directory.
     *
     * \param[in] path A path with a valid name for the subdirectory.
     *
     * The subdirectory file will be removed only if it is empty.
     *
     * \return true for success or false for failure.
     */
    bool rmdir(const String &path)
    {
        return rmdir(path.c_str());
    }
    /** Truncate a file to a specified length.  The current file position
     * will be at the new EOF.
     *
     * \param[in] path A path with a valid name for the file.
     * \param[in] length The desired length for the file.
     *
     * \return true for success or false for failure.
     */
    bool truncate(const String &path, uint64_t length)
    {
        return truncate(path.c_str(), length);
    }
#endif // ENABLE_ARDUINO_STRING

  private:
    friend ExFatFile;
    static ExFatVolume *cwv()
    {
        return m_cwv;
    }
    ExFatFile *vwd()
    {
        return &m_vwd;
    }
    static ExFatVolume *m_cwv;
    ExFatFile m_vwd;
};
#endif // ExFatVolume_h
