#include "Core/FileWriter.h"
#include <cstring>

namespace XCEngine {
namespace Core {

FileWriter::FileWriter() = default;

FileWriter::FileWriter(const char* filePath, bool append) {
    Open(filePath, append);
}

FileWriter::~FileWriter() {
    Close();
}

bool FileWriter::Open(const char* filePath, bool append) {
    Close();
    const char* mode = append ? "ab" : "wb";
    m_file = std::fopen(filePath, mode);
    return m_file != nullptr;
}

void FileWriter::Close() {
    if (m_file) {
        std::fclose(m_file);
        m_file = nullptr;
    }
}

bool FileWriter::Write(const char* data, size_t length) {
    if (!m_file || !data || length == 0) {
        return false;
    }
    return std::fwrite(data, 1, length, m_file) == length;
}

bool FileWriter::Write(const Containers::String& str) {
    return Write(str.CStr(), str.Length());
}

bool FileWriter::Flush() {
    if (!m_file) {
        return false;
    }
    return std::fflush(m_file) == 0;
}

} // namespace Core
} // namespace XCEngine