using System.Data;
using DigitalData.Modules.Logging;

namespace DigitalData.Modules.Base;

public abstract class BaseClass
{
    protected BaseClass(LogConfig logConfig)
    {
        LogConfig = logConfig;
        Logger = logConfig.GetLogger();
    }

    protected LogConfig LogConfig { get; }
    protected Logger Logger { get; }
}

public static class ObjectEx
{
    public static T ToEnum<T>(object value) where T : struct, Enum
    {
        if (value is T enumValue)
        {
            return enumValue;
        }

        if (value is string stringValue && Enum.TryParse<T>(stringValue, true, out var parsed))
        {
            return parsed;
        }

        if (int.TryParse(Convert.ToString(value), out var intValue))
        {
            return (T)Enum.ToObject(typeof(T), intValue);
        }

        return default;
    }
}

public static class DataRowExtensions
{
    public static T ItemEx<T>(this DataRow row, string columnName, T defaultValue)
    {
        if (!row.Table.Columns.Contains(columnName))
        {
            return defaultValue;
        }

        var value = row[columnName];
        if (value is DBNull or null)
        {
            return defaultValue;
        }

        return (T)Convert.ChangeType(value, typeof(T));
    }

    public static string ItemEx(this DataRow row, string columnName, string defaultValue)
    {
        return ItemEx<string>(row, columnName, defaultValue);
    }
}