#include "../wrapper/patch_wrapper.hpp"

#include "../utils/git_exception.hpp"

patch_wrapper::patch_wrapper(git_patch* patch)
    : base_type(patch)
{
}

patch_wrapper::~patch_wrapper()
{
    git_patch_free(p_resource);
    p_resource = nullptr;
}

git_buf patch_wrapper::to_buf()
{
    git_buf buf = GIT_BUF_INIT;
    throw_if_error(git_patch_to_buf(&buf, *this));
    return buf;
}

patch_wrapper patch_wrapper::patch_from_files(
    const std::string& path1,
    const std::string& file1_str,
    const std::string& path2,
    const std::string& file2_str,
    git_diff_options* diffopts
)
{
    git_patch* patch;
    throw_if_error(git_patch_from_buffers(
        &patch,
        file1_str.c_str(),
        file1_str.length(),
        path1.c_str(),
        file2_str.c_str(),
        file2_str.length(),
        path2.c_str(),
        diffopts
    ));
    return patch_wrapper(patch);
}