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#include "utils/fs/exceptions.hpp"

#include <cstring>

#include "utils/format/macros.hpp"

namespace fs = utils::fs;


/// Constructs a new error with a plain-text message.
///
/// \param message The plain-text error message.
fs::error::error(const std::string& message) :
    std::runtime_error(message)
{
}


/// Destructor for the error.
fs::error::~error(void) throw()
{
}


/// Constructs a new invalid_path_error.
///
/// \param textual_path Textual representation of the invalid path.
/// \param reason Description of the error in the path.
fs::invalid_path_error::invalid_path_error(const std::string& textual_path,
                                           const std::string& reason) :
    error(F("Invalid path '%s': %s") % textual_path % reason),
    _textual_path(textual_path)
{
}


/// Destructor for the error.
fs::invalid_path_error::~invalid_path_error(void) throw()
{
}


/// Returns the invalid path related to the exception.
///
/// \return The textual representation of the invalid path.
const std::string&
fs::invalid_path_error::invalid_path(void) const
{
    return _textual_path;
}


/// Constructs a new join_error.
///
/// \param textual_path1_ Textual representation of the first path.
/// \param textual_path2_ Textual representation of the second path.
/// \param reason Description of the error in the join operation.
fs::join_error::join_error(const std::string& textual_path1_,
                           const std::string& textual_path2_,
                           const std::string& reason) :
    error(F("Cannot join paths '%s' and '%s': %s") % textual_path1_ %
          textual_path2_ % reason),
    _textual_path1(textual_path1_),
    _textual_path2(textual_path2_)
{
}


/// Destructor for the error.
fs::join_error::~join_error(void) throw()
{
}


/// Gets the first path that caused the error in a join operation.
///
/// \return The textual representation of the path.
const std::string&
fs::join_error::textual_path1(void) const
{
    return _textual_path1;
}


/// Gets the second path that caused the error in a join operation.
///
/// \return The textual representation of the path.
const std::string&
fs::join_error::textual_path2(void) const
{
    return _textual_path2;
}


/// Constructs a new error based on an errno code.
///
/// \param message_ The message describing what caused the error.
/// \param errno_ The error code.
fs::system_error::system_error(const std::string& message_, const int errno_) :
    error(F("%s: %s") % message_ % std::strerror(errno_)),
    _original_errno(errno_)
{
}


/// Destructor for the error.
fs::system_error::~system_error(void) throw()
{
}



/// Gets the original errno code.
int
fs::system_error::original_errno(void) const throw()
{
    return _original_errno;
}