namespace PlatformTest.DbQuery;

using System.Threading.Tasks;


using Xunit;
using Amazon.DynamoDBv2;
using Amazon.DynamoDBv2.Model;


using ServerCore;
using ServerBase;
using ServerCommon;


public class DynamoDbClientTests
{
    private ServerConfig? m_config;
    private string m_config_path = "../Config/Config.json";
    private string m_nlog_config_path = "../Config/nlog.config";

    public DynamoDbClientTests()
    {
        Log.NLogFileName = m_nlog_config_path;
        m_config = new ServerConfig();
        m_config_path = Path.GetFullPath(m_config_path);
        m_config.setConfigFilePath(m_config_path);
        m_config.tryLoadConfig().GetAwaiter().GetResult();
    }

    [Fact]
    public async Task connectToDb_ShouldConnectSuccessfully()
    {
	    NullReferenceCheckHelper.throwIfNull(m_config);
        var dynamo_db_client = new DynamoDbClient();

        // Act
        (var error_code, var to_load_table_names) = ServerConfigHelper.getDynamoDbTableNamesWithServiceType(m_config.ServiceType);
        if (error_code.isFail())
        {
            var err_msg = $"Failed to DynamoDbClient.getDynamoDbTableNameWithServiceType() !!!";
            Log.getLogger().error(err_msg);

            return;
        }

        var result = dynamo_db_client.connectToDb( to_load_table_names
                                             , m_config.AWS.LocalDynamoDB, m_config.Dynamodb
                                             , m_config.AWS.AccessKey, m_config.AWS.SecretKey, m_config.AWS.Region);
        if (result.isFail())
        {
            Log.getLogger().error($"Failed to connectToDb !!! ");
            return;
        }

        // Assert
        await Task.CompletedTask;
        Assert.True(result.isSuccess());
    }

    [Fact]
    public async Task CreateDBIfNotExists_ShouldCreateTable()
    {
        NullReferenceCheckHelper.throwIfNull(m_config);

        var dynamo_db_client = new DynamoDbClient();

        (var error_code, var to_load_table_names) = ServerConfigHelper.getDynamoDbTableNamesWithServiceType(m_config.ServiceType);
        if (error_code.isFail())
        {
            var err_msg = $"Failed to DynamoDbClient.getDynamoDbTableNameWithServiceType() !!!";
            Log.getLogger().error(err_msg);

            return;
        }

        var result = dynamo_db_client.connectToDb(to_load_table_names
                                             , m_config.AWS.LocalDynamoDB, m_config.Dynamodb
                                             , m_config.AWS.AccessKey, m_config.AWS.SecretKey, m_config.AWS.Region);
        if (result.isFail())
        {
            Log.getLogger().error($"Failed to connectToDb !!! ");
            return;
        }

        // Act
        var is_success = await dynamo_db_client.createDBIfNotExists(false);

        // Assert
        Assert.True(is_success);
    }
}