#include "precompiled_unittests_gameplay.h"
#include "DataProvider_Testable.h"
#include "DataProviderClient_Empty.h"
#include "../../../core/AdaptersInterfaces/System_Adapter_Empty.h"
#include "../tests/gtest.h"

namespace ITF
{
// gtest & gmock use namespace testing
using namespace testing;

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_addDataDescriptorWithRefreshDurationShouldCallRefreshDataDescriptor)
    ///////////////////////////////////////////////////////////////////////
    {
        // Setup
        CREATE_CLASS_SINGLETON(SystemAdapter_Empty); // needed for data provider remove client

        // Arrange
        f32 dt = 0.1f;
        u32 nbUpdate = 3;
        DataProvider_Testable dataProvider;
        DataProviderClient_Empty client;
        dataProvider.addDataDescriptor(client.getTestData(), dt * (f32)nbUpdate);

        // Act - assert
        EXPECT_BTRUE(dataProvider.addClient(&client));

        dataProvider.update(dt);
        EXPECT_NOT_NULL(dataProvider.m_refreshDataDescForTest); // a refresh is done for the first time

        dataProvider.m_refreshDataDescForTest = NULL;
        dataProvider.update(dt);
        EXPECT_NULL(dataProvider.m_refreshDataDescForTest); // On this update RefreshDataDescriptor should not be called because we don't have enough dt

        for(u32 u = 0 ; u < nbUpdate ; ++u)
        {
            dataProvider.update(dt);
        }

        EXPECT_NOT_NULL(dataProvider.m_refreshDataDescForTest); // On this update RefreshDataDescriptor should be called

        // TearDown
        dataProvider.removeClient(&client);
        DESTROY_CLASS_SINGLETON(SystemAdapter_Empty);
    }

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_getDataDescriptorWithStringIdShouldSuccess)
    ///////////////////////////////////////////////////////////////////////
    {
        // Arrange
        DataProvider_Testable dataProvider;
        StringID dataName("SONGNAME");

        // Act
        DataProvider::DataDesc* setDatadesc = dataProvider.addDataDescriptor(dataName);
        DataProvider::DataDesc* getDatadesc = dataProvider.getDataDescriptor(dataName);
        EXPECT_NOT_NULL(getDatadesc);
        EXPECT_EQ(setDatadesc, getDatadesc);
    }

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_getDataDescriptorWithStringShouldSuccess)
    ///////////////////////////////////////////////////////////////////////
    {
        // Arrange
        DataProvider_Testable dataProvider;
        const char* dataName = "SONGNAME";

        // Act
        DataProvider::DataDesc* setDatadesc = dataProvider.addDataDescriptor(dataName);
        DataProvider::DataDesc* getDatadesc = dataProvider.getDataDescriptor(dataName);
        EXPECT_NOT_NULL(getDatadesc);
        EXPECT_EQ(setDatadesc, getDatadesc);
    }

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_getDataDescriptorWhithUnknownShouldReturnNull)
    ///////////////////////////////////////////////////////////////////////
    {
        // Arrange
        DataProvider_Testable dataProvider;
        StringID dataName("SONGNAME");

        // Act
        DataProvider::DataDesc* getDatadesc = dataProvider.getDataDescriptor(dataName);

        // Assert
        EXPECT_NULL(getDatadesc);
    }

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_addClientWithNullShouldReturnFalse)
    ///////////////////////////////////////////////////////////////////////
    {
        // Arrange
        DataProvider dataProvider;

        // Act - assert
        EXPECT_BFALSE(dataProvider.addClient(NULL));
    }

    ///////////////////////////////////////////////////////////////////////
    TEST(DataProvider, test_addAndRemoveClientShouldSuccess)
    ///////////////////////////////////////////////////////////////////////
    {
        // Setup
        CREATE_CLASS_SINGLETON(SystemAdapter_Empty); // needed for data provider remove client

        // Arrange
        DataProvider_Testable dataProvider;
        DataProviderClient_Empty client;
        dataProvider.addDataDescriptor(client.getTestData());

        // Act - assert
        EXPECT_BTRUE(dataProvider.addClient(&client));
        ITF_VECTOR<IDataProviderClient*> clients;
        dataProvider.getClients(clients);
        EXPECT_NE(-1, clients.find(&client)); // Check if the client is properly added

        dataProvider.removeClient(&client);
        clients.clear();
        dataProvider.getClients(clients);
        EXPECT_EQ(-1, clients.find(&client)); // Check if the client is properly removed
        
        // TearDown
        DESTROY_CLASS_SINGLETON(SystemAdapter_Empty);
    }
}