using Microsoft.Win32;
using System;
using System.IO;
using System.Windows;

namespace AnotherReplayReader
{
    public sealed class DebugMessageWrapper
    {
        public readonly struct Proxy
        {
            public readonly string Payload;
            public Proxy(string text)
            {
                Payload = text;
            }
            public static Proxy operator +(Proxy p, string text)
            {
                return string.IsNullOrEmpty(p.Payload) ? new Proxy(text) : new Proxy(p.Payload + text);
            }
        }

        public event Action<string> NewText;
        public Proxy DebugMessage
        {
            get => new Proxy();
            set => NewText?.Invoke(value.Payload);
        }
    }
    /// <summary>
    /// Debug.xaml 的交互逻辑
    /// </summary>
    public sealed partial class Debug : Window
    {
        public static readonly DebugMessageWrapper Instance = new DebugMessageWrapper();

        public Debug()
        {
            InitializeComponent();
            Instance.NewText += t => Dispatcher.Invoke(() => _textBox.AppendText(t));
        }

        private void OnExport_Click(object sender, RoutedEventArgs e)
        {
            var saveFileDialog = new SaveFileDialog
            {
                Filter = "文本文档 (*.txt)|*.txt|所有文件 (*.*)|*.*",
                OverwritePrompt = true,
            };

            var result = saveFileDialog.ShowDialog(this);
            if (result == true)
            {
                using (var file = saveFileDialog.OpenFile())
                using (var writer = new StreamWriter(file))
                {
                    writer.Write(Instance.DebugMessage);
                }
            }
        }

        private void OnClear_Click(object sender, RoutedEventArgs e)
        {
            _textBox.Clear();
        }
    }
}