#include <catch2/catch_all.hpp>

#include <boost/filesystem.hpp>

#include "libslic3r/PresetBundle.hpp"

using namespace Slic3r;

namespace {

namespace fs = boost::filesystem;

struct TempPresetDir {
    fs::path path;

    TempPresetDir()
    {
        path = fs::temp_directory_path() / fs::unique_path("orcaslicer-preset-%%%%-%%%%-%%%%");
        fs::create_directories(path);
    }

    ~TempPresetDir()
    {
        boost::system::error_code ec;
        fs::remove_all(path, ec);
    }
};

void write_print_preset(const DynamicPrintConfig &default_config, const fs::path &file, const std::string &name, const std::string &inherits = {})
{
    DynamicPrintConfig config(default_config);
    config.option<ConfigOptionString>("print_settings_id", true)->value = name;
    config.option<ConfigOptionString>(BBL_JSON_KEY_INHERITS, true)->value = inherits;

    fs::create_directories(file.parent_path());
    config.save_to_json(file.string(), name, "User", "1.0.0");
}

} // namespace

TEST_CASE("Preset identity is canonicalized from load path", "[Preset][Identity]")
{
    TempPresetDir              temp_dir;
    PresetBundle               bundle;
    PresetsConfigSubstitutions substitutions;

    write_print_preset(bundle.prints.default_preset().config, temp_dir.path / PRESET_PRINT_NAME / "User.json", "User");
    write_print_preset(bundle.prints.default_preset().config, temp_dir.path / PRESET_LOCAL_DIR / "bundle-1" / PRESET_PRINT_NAME / "LocalBundle.json", "LocalBundle");
    write_print_preset(bundle.prints.default_preset().config, temp_dir.path / PRESET_SUBSCRIBED_DIR / "remote-1" / PRESET_PRINT_NAME / "Subscribed.json", "Subscribed");

    bundle.prints.load_presets(temp_dir.path.string(), PRESET_PRINT_NAME, substitutions, ForwardCompatibilitySubstitutionRule::Disable);
    bundle.prints.load_presets((temp_dir.path / PRESET_LOCAL_DIR / "bundle-1").string(), PRESET_PRINT_NAME, substitutions, ForwardCompatibilitySubstitutionRule::Disable);
    bundle.prints.load_presets((temp_dir.path / PRESET_SUBSCRIBED_DIR / "remote-1").string(), PRESET_PRINT_NAME, substitutions, ForwardCompatibilitySubstitutionRule::Disable);

    const Preset *root_user = bundle.prints.find_preset("User");
    REQUIRE(root_user != nullptr);
    CHECK(root_user->name == "User");
    CHECK_FALSE(root_user->is_from_bundle());

    const Preset *local_bundle = bundle.prints.find_preset("_local/bundle-1/LocalBundle");
    REQUIRE(local_bundle != nullptr);
    CHECK(local_bundle->name == "_local/bundle-1/LocalBundle");
    CHECK(local_bundle->is_from_bundle());

    const Preset *subscribed = bundle.prints.find_preset("_subscribed/remote-1/Subscribed");
    REQUIRE(subscribed != nullptr);
    CHECK(subscribed->name == "_subscribed/remote-1/Subscribed");
    CHECK(subscribed->is_from_bundle());
}

TEST_CASE("Legacy bundle import without bundle metadata stays in the user preset directory", "[Preset][Identity]")
{
    TempPresetDir temp_dir;
    PresetBundle  bundle;

    PresetsConfigSubstitutions substitutions;
    std::vector<std::string>   result;
    int                        overwrite = 0;
    std::string                file      = (temp_dir.path / "legacy-bundle" / "Imported.json").string();
    const fs::path             user_root = temp_dir.path / "user";

    write_print_preset(bundle.prints.default_preset().config, file, "Imported");
    fs::create_directories(user_root);
    bundle.prints.update_user_presets_directory(user_root.string(), PRESET_PRINT_NAME);

    REQUIRE(bundle.import_json_presets(
        substitutions,
        file,
        [](std::string const &) { return 1; },
        ForwardCompatibilitySubstitutionRule::Disable,
        overwrite,
        result));

    const Preset *imported = bundle.prints.find_preset("Imported");
    REQUIRE(imported != nullptr);
    CHECK(imported->name == "Imported");
    CHECK(imported->bundle_id.empty());
    CHECK_FALSE(imported->is_from_bundle());
    // Detached user presets (no inherits) are saved in the "base" subfolder of the user preset root.
    CHECK(fs::equivalent(fs::path(imported->file).parent_path().parent_path(), user_root / PRESET_PRINT_NAME));
}