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#include "googletest.h"

#include "mockprocessor.h"

#include <sqlitedatabase.h>
#include <refactoringdatabaseinitializer.h>
#include <processormanager.h>

namespace {
using ClangBackEnd::ProcessorInterface;

class Manager final : public ClangBackEnd::ProcessorManager<NiceMock<MockProcessor>>
{
public:
    using Processor = NiceMock<MockProcessor>;
    Manager(const ClangBackEnd::GeneratedFiles &generatedFiles)
        : ClangBackEnd::ProcessorManager<NiceMock<MockProcessor>>(generatedFiles)
    {}

protected:
    std::unique_ptr<NiceMock<MockProcessor>> createProcessor() const override
    {
        return std::make_unique<NiceMock<MockProcessor>>();
    }
};

class ProcessorManager : public testing::Test
{
protected:
    ClangBackEnd::GeneratedFiles generatedFiles;
    Manager manager{generatedFiles};
};

TEST_F(ProcessorManager, CreateUnsedProcessor)
{
    manager.unusedProcessor();

    manager.unusedProcessor();

    ASSERT_THAT(manager.processors(), SizeIs(2));
}

TEST_F(ProcessorManager, ReuseUnsedProcessor)
{
    auto &processor = manager.unusedProcessor();
    processor.setIsUsed(false);

    manager.unusedProcessor();

    ASSERT_THAT(manager.processors(), SizeIs(1));
}

TEST_F(ProcessorManager, AsGetNewUnusedProcessorItIsSetUsed)
{
    auto &processor = manager.unusedProcessor();

    ASSERT_TRUE(processor.isUsed());
}

TEST_F(ProcessorManager, AsGetReusedUnusedProcessorItIsSetUsed)
{
    auto &processor = manager.unusedProcessor();
    processor.setIsUsed(false);

    auto &processor2 = manager.unusedProcessor();

    ASSERT_TRUE(processor2.isUsed());
}

TEST_F(ProcessorManager, UnusedProcessorIsInitializedWithUnsavedFiles)
{
    auto &processor = manager.unusedProcessor();

    ASSERT_TRUE(processor.hasUnsavedFiles);
}

TEST_F(ProcessorManager, ReusedProcessorIsInitializedWithUnsavedFiles)
{
    auto &processor = manager.unusedProcessor();
    processor.setIsUsed(false);

    auto &processor2 = manager.unusedProcessor();

    ASSERT_TRUE(processor2.hasUnsavedFiles);
}

}