using System.Text.RegularExpressions;

namespace TinyTUI.Tests.TestInfrastructure;

/// <summary>
/// 提供 ANSI 感知的测试断言辅助
/// </summary>
internal static partial class AnsiAssert
{
    /// <summary>
    /// 移除常见 ANSI 控制序列后比较可见文本
    /// </summary>
    public static void EqualVisible(string expected, string actual)
        => Assert.Equal(expected, AnsiRegex().Replace(actual, string.Empty));

    /// <summary>
    /// 移除常见 ANSI 控制序列后判断可见文本是否包含指定片段
    /// </summary>
    public static void ContainsVisible(string expected, string actual)
        => Assert.Contains(expected, AnsiRegex().Replace(actual, string.Empty), StringComparison.Ordinal);

    [GeneratedRegex(@"\x1B(?:\[[0-?]*[ -/]*[@-~]|\][^\a]*(?:\a|\x1B\\)|_[^\a]*(?:\a|\x1B\\)|P[^\a]*(?:\a|\x1B\\))")]
    private static partial Regex AnsiRegex();
}