// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// 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 "catch2/catch_test_macros.hpp"
#include "src/buildtool/storage/config.hpp"
#include "src/buildtool/storage/storage.hpp"
#include "test/buildtool/graph_traverser/graph_traverser.test.hpp"
#include "test/utils/remote_execution/test_auth_config.hpp"

[[nodiscard]] static auto CreateConfig() -> StorageConfig {
    auto cache_dir = FileSystemManager::GetCurrentDirectory() / "cache";
    auto storage_config = StorageConfig::Instance();
    if (not FileSystemManager::RemoveDirectory(cache_dir, true) or
        not FileSystemManager::CreateDirectoryExclusive(cache_dir) or
        not storage_config.SetBuildRoot(cache_dir)) {
        std::exit(EXIT_FAILURE);
    }
    return storage_config;
}

TEST_CASE("Remote: Output created and contents are correct",
          "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestHelloWorldCopyMessage(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Output created when entry point is local artifact",
          "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestCopyLocalFile(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Actions are not re-run", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestSequencePrinterBuildLibraryOnly(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: KNOWN artifact", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestHelloWorldWithKnownSource(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Blobs uploaded and correctly used", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestBlobsUploadedAndUsed(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Environment variables are set and used",
          "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestEnvironmentVariablesSetAndUsed(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Trees correctly used", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestTreesUsed(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Nested trees correctly used", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestNestedTreesUsed(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}

TEST_CASE("Remote: Detect flaky actions", "[graph_traverser]") {
    StorageConfig const storage_config = CreateConfig();
    auto const storage = Storage::Create(&storage_config);
    auto auth_config = TestAuthConfig::ReadAuthConfigFromEnvironment();
    REQUIRE(auth_config);

    TestFlakyHelloWorldDetected(
        storage_config, storage, &*auth_config, false /* not hermetic */);
}