/*
 * libfud
 * Copyright 2024 Dominick Allen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "fud_config.hpp"
#include "libfud.hpp"

#include "gtest/gtest.h"
#include <cstdlib>

namespace fud {

TEST(FudTest, FudFud)
{
    FUD fudInfo{fud()};

    EXPECT_EQ(fudInfo.major, FudVersionMajor);
    EXPECT_EQ(fudInfo.minor, FudVersionMinor);
    EXPECT_EQ(fudInfo.patch, FudVersionPatch);
    auto compareResult = compareMem(
        fudInfo.revision.data(),
        fudInfo.revision.size(),
        // NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-array-to-pointer-decay)
        FudGitHash,
        fudInfo.revision.size() - 1);
    ASSERT_TRUE(compareResult.isOkay());
    EXPECT_EQ(compareResult.getOkay(), 0);
    EXPECT_EQ(fudInfo.revision[fudInfo.revision.size() - 1], '\0');
}

TEST(FudTest, GetEnv)
{
    constexpr const char* testVarName = "FUD_TEST_VAR";
    constexpr const char* testVarValue = "FUD_TEST_VALUE";

    ASSERT_EQ(unsetenv(testVarName), 0);

    auto fudVarResult = getEnv(nullptr);
    ASSERT_TRUE(fudVarResult.isError());
    ASSERT_EQ(fudVarResult.getError(), FudStatus::NullPointer);

    fudVarResult = std::move(getEnv(testVarName));
    ASSERT_TRUE(fudVarResult.isOkay());
    ASSERT_TRUE(fudVarResult.getOkay().isNone());

    ASSERT_EQ(setenv(testVarName, testVarValue, 1), 0);
    ASSERT_NE(getenv(testVarName), nullptr);
    ASSERT_STREQ(getenv(testVarName), testVarValue);

    fudVarResult = getEnv(testVarName);
    ASSERT_TRUE(fudVarResult.isOkay());
    auto fudVar{fudVarResult.takeOkay()};
    ASSERT_TRUE(fudVar.hasValue());
    ASSERT_STREQ(fudVar.value().c_str(), testVarValue);
}

} // namespace fud