using System;
using System.Collections.Generic;
using System.IO;
using System.Windows;
using CodeForge;
using Microsoft.Win32;

namespace Plugins.Script.Views
{
    /// <summary>
    /// 程序集引用管理对话框（照 CodeForge Demo 的引用管理器做法）：ListBox + 添加 DLL / 移除 / 关闭。
    /// 全部走 CodeEditorControl 的字符串 API（GetReferenceNames / InstallAndReferenceDll / RemoveReferenceByName），
    /// 添加的 DLL 由控件自动归档到运行目录 References\，编辑器补全与流程运行期（ScriptCompiler 扫描同目录）共用。
    /// </summary>
    public partial class ScriptReferenceDialog : Window
    {
        private readonly CodeEditorControl _editor;

        public ScriptReferenceDialog(CodeEditorControl editor, Window owner)
        {
            _editor = editor;
            InitializeComponent();
            if (owner != null) Owner = owner;
            Reload();
        }

        private void Reload()
        {
            var names = new List<string>();
            try
            {
                foreach (var n in _editor.GetReferenceNames())
                {
                    if (!string.IsNullOrEmpty(n) && !names.Contains(n)) names.Add(n);
                }
            }
            catch { /* 取引用名失败则显示空列表 */ }
            names.Sort(StringComparer.OrdinalIgnoreCase);
            RefsList.ItemsSource = names;
        }

        private void BtnAdd_Click(object sender, RoutedEventArgs e)
        {
            var dlg = new OpenFileDialog
            {
                Title = "添加引用（选择 .NET 程序集）— 会自动归档到运行目录 References\\",
                Filter = ".NET 程序集 (*.dll, *.exe)|*.dll;*.exe|所有文件 (*.*)|*.*",
                Multiselect = true
            };
            try
            {
                var refsDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Runtime\\References");
                if (Directory.Exists(refsDir)) dlg.InitialDirectory = refsDir;
            }
            catch { }

            if (dlg.ShowDialog(this) != true) return;

            foreach (var path in dlg.FileNames)
            {
                bool ok = false;
                try { ok = _editor.InstallAndReferenceDll(path); }
                catch (Exception ex)
                {
                    MessageBox.Show(this, "添加异常：" + Path.GetFileName(path) + "\n" + ex.Message,
                        "程序集引用管理", MessageBoxButton.OK, MessageBoxImage.Warning);
                }
                if (!ok)
                {
                    MessageBox.Show(this,
                        "添加失败：" + Path.GetFileName(path) + "\n（该文件未进入 References\\，不会被引用；详见主界面输出）",
                        "程序集引用管理", MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            Reload();
        }

        private void BtnRemove_Click(object sender, RoutedEventArgs e)
        {
            var sel = RefsList.SelectedItem as string;
            if (string.IsNullOrEmpty(sel))
            {
                MessageBox.Show(this, "请先选中列表中要移除的引用", "程序集引用管理",
                    MessageBoxButton.OK, MessageBoxImage.Information);
                return;
            }
            try { _editor.RemoveReferenceByName(sel); }
            catch (Exception ex)
            {
                MessageBox.Show(this, "移除失败：" + sel + "\n" + ex.Message, "程序集引用管理",
                    MessageBoxButton.OK, MessageBoxImage.Warning);
            }
            Reload();
        }

        private void BtnClose_Click(object sender, RoutedEventArgs e) { Close(); }
    }
}