#if __WIN__
using System;
using System.Windows.Forms;

namespace NewLife.Log;

/// <summary>文本控件输出日志</summary>
public class TextControlLog : Logger
{
    /// <summary>文本控件</summary>
    public Control? Control { get; set; }

    /// <summary>最大行数，超过该行数讲清空文本控件。默认1000行</summary>
    public Int32 MaxLines { get; set; } = 1000;

    /// <summary>写日志</summary>
    /// <param name="level"></param>
    /// <param name="format"></param>
    /// <param name="args"></param>
    protected override void OnWrite(LogLevel level, String format, params Object?[] args) => WriteLog(Control, Format(format, args) + Environment.NewLine, MaxLines);

    /// <summary>在WinForm控件上输出日志，主要考虑非UI线程操作</summary>
    /// <remarks>不是常用功能，为了避免干扰常用功能，保持UseWinForm开头</remarks>
    /// <param name="control">要绑定日志输出的WinForm控件</param>
    /// <param name="msg">日志</param>
    /// <param name="maxLines">最大行数</param>
    public static void WriteLog(Control? control, String msg, Int32 maxLines = 1000)
    {
        if (control == null) return;

        if (control is not TextBoxBase txt) throw new XException("Unsupported control type {0}!", control.GetType());

        txt.Append(msg, maxLines);
    }
}
#endif