using DispenserCommon.Exceptions;

namespace DispenserCommon.Utils;

/// <summary>
/// 断言工具类
/// </summary>
public class AssertUtil
{
    /// <summary>
    /// 判断条件是否为真
    /// </summary>
    /// <param name="expression"></param>
    /// <param name="msg"></param>
    public static void IsTrue(bool expression, string msg)
    {
        if (!expression)
        {
            throw new AssertException(msg);
        }
    }

    /// <summary>
    /// 判断条件是否为假
    /// </summary>
    /// <param name="expression"></param>
    /// <param name="msg"></param>
    public static void IsFalse(bool expression, string msg)
    {
        if (expression)
        {
            throw new AssertException(msg);
        }
    }

    /// <summary>
    /// 集合非空断言
    /// </summary>
    /// <param name="list"></param>
    /// <param name="msg"></param>
    public static void NotEmpty(List<object>? list, string msg)
    {
        if (list == null || list.Count == 0)
        {
            throw new AssertException(msg);
        }
    }

    /// <summary>
    /// 集合空断言
    /// </summary>
    /// <param name="list"></param>
    /// <param name="msg"></param>
    public static void IsEmpty(List<object> list, string msg)
    {
        if (list is { Count: > 0 })
        {
            throw new AssertException(msg);
        }
    }


    /// <summary>
    /// 对象非空断言
    /// </summary>
    /// <param name="model"></param>
    /// <param name="msg"></param>
    /// <exception cref="AssertException"></exception>
    public static void NotNull(object? model, string msg)
    {
        if (model == null)
        {
            throw new AssertException(msg);
        }
    }


    /// <summary>
    /// 对象空断言
    /// </summary>
    /// <param name="model"></param>
    /// <param name="msg"></param>
    /// <exception cref="AssertException"></exception>
    public static void IsNull(object? model, string msg)
    {
        if (model != null)
        {
            throw new AssertException(msg);
        }
    }

    /// <summary>
    /// 字符串非空断言
    /// </summary>
    /// <param name="str"></param>
    /// <param name="msg"></param>
    /// <exception cref="AssertException"></exception>
    public static void StringNotNullOrEmpty(string str, string msg)
    {
        if (string.IsNullOrEmpty(str))
        {
            throw new AssertException(msg);
        }
    }
}