// Copyright 2021 Google LLC
//
// 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 "utility.hpp"

#include <flashupdate/flash/mock.hpp>
#include <flashupdate/info.hpp>
#include <flashupdate/ops.hpp>
#include <flashupdate/validator/mock.hpp>
#include <nlohmann/json.hpp>

#include <format>

#include <gtest/gtest.h>

using ::testing::_;
using ::testing::Return;

namespace flashupdate
{

TEST_F(OperationTest, InvalidValidator)
{
    Args args;
    args.validatorHelper = nullptr;

    EXPECT_THROW(
        try { ops::fetchVersion(args); } catch (const std::runtime_error& e) {
            EXPECT_STREQ(e.what(), "invalid Validator Helper");
            throw;
        },
        std::runtime_error);
}

TEST_F(OperationTest, FetchVersionInvalidSecondaryPartition)
{
    Args args;
    args.primary = false;
    args.stagingIndex = 10;
    args.config.flash.secondary = std::vector<Config::Partition>(1);

    EXPECT_THROW(
        try { ops::fetchVersion(args); } catch (const std::runtime_error& e) {
            EXPECT_STREQ(e.what(),
                         std::format("invalid staged_index for secondary "
                                     "partition: got {}, want < "
                                     "{}",
                                     args.stagingIndex,
                                     args.config.flash.secondary.size())
                             .c_str());
            throw;
        },
        std::runtime_error);
}

TEST_F(OperationTest, FetchVersionInvalidPartition)
{
    Args args;
    args.primary = false;
    args.stagingIndex = 0;
    args.config.flash.secondary = std::vector<Config::Partition>(1);

    EXPECT_THROW(
        try { ops::fetchVersion(args); } catch (const std::runtime_error& e) {
            EXPECT_STREQ(e.what(), "failed to find flash partition");
            throw;
        },
        std::runtime_error);
}

TEST_F(OperationTest, FetchVersionPass)
{
    resetInfo();

    Args args;
    args.primary = false;
    args.stagingIndex = 0;
    args.config.flash.secondary = std::vector<Config::Partition>(1);
    const std::string version = "1.2.3.4";
    std::string filename = CaseTmpDir() + "/fetch_version_metadata";
    createFakeEeprom(args, filename);

    validator::Mock validatorMockHelper;
    args.setValidatorHelper(&validatorMockHelper);
    EXPECT_CALL(validatorMockHelper, fetchVersion(_, _, _))
        .WillOnce(Return(version));

    flash::Mock flashMockHelper;
    args.setFlashHelper(&flashMockHelper);
    EXPECT_CALL(flashMockHelper, getFlash(_, _))
        .WillOnce(Return(std::make_pair(createTestDev(), inputData.size())));

    EXPECT_EQ(ops::fetchVersion(args), version);
}

} // namespace flashupdate