FileSearchPanel.razor

@using WebCodeCli.Domain.Domain.Model
@using WebCodeCli.Domain.Domain.Service
@using System.Text.Json
@inject IFileSearchService FileSearchService
@inject ICliExecutorService CliExecutorService
@inject ILocalizationService L

<div class="h-full flex flex-col bg-white">
    <!-- 头部：搜索表单 -->
    <div class="p-3 sm:p-4 border-b border-gray-200 flex-shrink-0 space-y-3">
        <!-- 调试信息 -->
        @if (!string.IsNullOrEmpty(_debugMessage))
        {
            <div class="bg-blue-50 border-l-4 border-blue-500 text-blue-700 px-3 py-2 rounded text-xs">
                <strong>@T("fileSearch.debugLabel"):</strong> @_debugMessage
            </div>
        }
        
        <!-- 搜索输入 -->
        <div class="flex items-center gap-2">
            <input type="text" 
                   @bind="_searchTerm" 
                   @bind:event="oninput"
                   @onkeydown="HandleKeyDown"
                   placeholder="@T("fileSearch.searchPlaceholder")"
                   class="flex-1 px-3 py-2 border border-gray-200 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-gray-500" />
            <button @onclick="PerformSearch" 
                    disabled="@_isSearching"
                    class="btn-primary px-4 py-2 text-sm flex items-center gap-2 disabled:opacity-50 hover:opacity-90 active:scale-95 transition-all">
                @if (_isSearching)
                {
                    <div class="animate-spin h-4 w-4 border-2 border-white rounded-full border-t-transparent"></div>
                }
                else
                {
                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
                    </svg>
                }
                @T("common.search")
            </button>
        </div>
        
        <!-- 搜索选项 -->
        <div class="flex flex-wrap items-center gap-3 text-sm">
            <label class="flex items-center gap-1.5 cursor-pointer">
                <input type="checkbox" @bind="_options.CaseSensitive" class="rounded" />
                <span>@T("fileSearch.caseSensitive")</span>
            </label>
            <label class="flex items-center gap-1.5 cursor-pointer">
                <input type="checkbox" @bind="_options.WholeWord" class="rounded" />
                <span>@T("fileSearch.wholeWord")</span>
            </label>
            <label class="flex items-center gap-1.5 cursor-pointer">
                <input type="checkbox" @bind="_options.UseRegex" class="rounded" />
                <span>@T("fileSearch.regex")</span>
            </label>
            
            <div class="flex items-center gap-2 ml-auto">
                  <label class="text-gray-600">@T("fileSearch.fileType"):</label>
                <input type="text" 
                       @bind="_fileTypeFilter" 
                       @bind:event="oninput"
                      placeholder="@T("fileSearch.fileTypePlaceholder")"
                       class="px-2 py-1 border border-gray-200 rounded text-xs w-32" />
            </div>
        </div>
    </div>

    <!-- 内容区域：搜索结果 -->
    <div class="flex-1 overflow-y-auto p-4">
        @if (_searchResults == null)
        {
            <!-- 初始状态 -->
            <div class="flex flex-col items-center justify-center h-full text-gray-400">
                <div class="w-20 h-20 bg-gray-100 rounded-full flex items-center justify-center mb-4">
                    <svg class="w-10 h-10 text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
                    </svg>
                </div>
                <p class="text-base font-semibold text-gray-600">@T("fileSearch.initialTitle")</p>
                <p class="text-sm mt-2 text-gray-500">@T("fileSearch.initialDesc")</p>
            </div>
        }
        else if (!_searchResults.Any())
        {
            <!-- 无结果 -->
            <div class="flex flex-col items-center justify-center h-full text-gray-400">
                <div class="w-20 h-20 bg-gray-100 rounded-full flex items-center justify-center mb-4">
                    <svg class="w-10 h-10 text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                    </svg>
                </div>
                <p class="text-base font-semibold text-gray-600">@T("fileSearch.noResultsTitle")</p>
                <p class="text-sm mt-2 text-gray-500">@T("fileSearch.noResultsDesc")</p>
            </div>
        }
        else
        {
            <!-- 搜索结果统计 -->
            <div class="mb-4 p-3 bg-gray-50 rounded-lg border border-gray-200">
                <div class="flex items-center justify-between text-sm">
                    <span class="text-gray-700">
                        @T("fileSearch.resultsSummary", ("count", _searchResults.Count.ToString()))
                    </span>
                    <span class="text-gray-500">
                        @T("fileSearch.filesSummary", ("count", _searchResults.Select(r => r.FilePath).Distinct().Count().ToString()))
                    </span>
                </div>
            </div>
            
            <!-- 结果列表（按文件分组） -->
            <div class="space-y-4">
                @foreach (var fileGroup in _searchResults.GroupBy(r => r.FilePath))
                {
                    <div class="border border-gray-200 rounded-lg overflow-hidden">
                        <!-- 文件头部 -->
                        <div class="bg-gray-50 px-4 py-2 border-b border-gray-200 flex items-center justify-between">
                            <div class="flex items-center gap-2">
                                <svg class="w-4 h-4 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z"></path>
                                </svg>
                                <span class="font-semibold text-gray-800 text-sm">@fileGroup.Key</span>
                            </div>
                            <span class="text-xs text-gray-500">@T("fileSearch.matchesInFile", ("count", fileGroup.Count().ToString()))</span>
                        </div>
                        
                        <!-- 匹配行列表 -->
                        <div class="divide-y divide-gray-100">
                            @foreach (var result in fileGroup.Take(10))
                            {
                                <div class="px-4 py-3 hover:bg-gray-50 transition-colors">
                                    <div class="flex items-start gap-3">
                                        <span class="flex-shrink-0 text-xs font-mono text-gray-500 bg-gray-100 px-2 py-1 rounded">
                                            @result.LineNumber
                                        </span>
                                        <div class="flex-1 min-w-0">
                                            <pre class="text-sm font-mono text-gray-800 whitespace-pre-wrap break-all">@HighlightMatches(result)</pre>
                                            
                                            @if (result.ContextLines.Any())
                                            {
                                                <div class="mt-2 text-xs text-gray-500 space-y-1">
                                                    @foreach (var contextLine in result.ContextLines.Where(c => !c.IsMatch))
                                                    {
                                                        <div class="flex items-start gap-2">
                                                            <span class="text-gray-400 font-mono">@contextLine.LineNumber</span>
                                                            <pre class="font-mono opacity-60 flex-1">@contextLine.Content</pre>
                                                        </div>
                                                    }
                                                </div>
                                            }
                                        </div>
                                    </div>
                                </div>
                            }
                            
                            @if (fileGroup.Count() > 10)
                            {
                                <div class="px-4 py-2 bg-gray-50 text-center text-xs text-gray-500">
                                    @T("fileSearch.moreMatches", ("count", (fileGroup.Count() - 10).ToString()))
                                </div>
                            }
                        </div>
                    </div>
                }
            </div>
        }
    </div>
</div>

@code {
    [Parameter]
    public string SessionId { get; set; } = string.Empty;

    private string _searchTerm = string.Empty;
    private string _fileTypeFilter = string.Empty;
    private SearchOptions _options = new();
    private List<SearchResult>? _searchResults = null;
    private bool _isSearching = false;
    private string _debugMessage = string.Empty;

    // 本地化相关
    private Dictionary<string, string> _translations = new();
    private string _currentLanguage = "zh-CN";

    protected override async Task OnInitializedAsync()
    {
        await LoadTranslationsAsync();
        Console.WriteLine($"[FileSearchPanel] 组件已初始化，SessionId: {SessionId}");
        _debugMessage = T("fileSearch.debugLoaded", ("id", SessionId));
    }

    private async Task PerformSearch()
    {
        Console.WriteLine($"[FileSearchPanel] PerformSearch 被调用，搜索词: '{_searchTerm}'");
        _debugMessage = T("fileSearch.debugSearching", ("term", _searchTerm));
        StateHasChanged();
        await Task.Delay(10); // 确保UI更新
        
        if (string.IsNullOrWhiteSpace(_searchTerm))
        {
            Console.WriteLine("[FileSearchPanel] 搜索词为空，返回");
            _debugMessage = T("fileSearch.debugEmpty");
            StateHasChanged();
            return;
        }

        _isSearching = true;
        _searchResults = null;
        StateHasChanged();

        try
        {
            var workspacePath = CliExecutorService.GetSessionWorkspacePath(SessionId);
            Console.WriteLine($"[FileSearchPanel] 工作区路径: {workspacePath}");
            _debugMessage = T("fileSearch.debugWorkspacePath", ("path", workspacePath));
            StateHasChanged();
            
            if (string.IsNullOrEmpty(workspacePath) || !Directory.Exists(workspacePath))
            {
                Console.WriteLine($"[FileSearchPanel] 工作区路径无效或不存在");
                _debugMessage = T("fileSearch.debugWorkspaceInvalid", ("path", workspacePath));
                _searchResults = new List<SearchResult>();
                return;
            }
            
            // 设置文件类型过滤
            _options.FileTypeFilter = _fileTypeFilter;
            Console.WriteLine($"[FileSearchPanel] 文件类型过滤: {_fileTypeFilter}");

            // 执行搜索
            if (_options.UseRegex)
            {
                Console.WriteLine("[FileSearchPanel] 使用正则表达式搜索");
                _debugMessage = T("fileSearch.debugRegexSearch");
                StateHasChanged();
                _searchResults = await FileSearchService.SearchByRegexAsync(workspacePath, _searchTerm, _options);
            }
            else
            {
                Console.WriteLine("[FileSearchPanel] 使用普通文本搜索");
                _debugMessage = T("fileSearch.debugTextSearch");
                StateHasChanged();
                _searchResults = await FileSearchService.SearchInFilesAsync(workspacePath, _searchTerm, _options);
            }
            
            Console.WriteLine($"[FileSearchPanel] 搜索完成，找到 {_searchResults?.Count ?? 0} 个结果");
            _debugMessage = T("fileSearch.debugCompleted", ("count", (_searchResults?.Count ?? 0).ToString()));
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[FileSearchPanel] 搜索失败: {ex.Message}");
            Console.WriteLine($"[FileSearchPanel] 异常堆栈: {ex.StackTrace}");
            _debugMessage = T("fileSearch.debugFailed", ("message", ex.Message));
            _searchResults = new List<SearchResult>();
        }
        finally
        {
            _isSearching = false;
            StateHasChanged();
        }
    }

    private async Task HandleKeyDown(KeyboardEventArgs e)
    {
        if (e.Key == "Enter")
        {
            await PerformSearch();
        }
    }

    private MarkupString HighlightMatches(SearchResult result)
    {
        if (!result.Matches.Any())
        {
            return new MarkupString(System.Web.HttpUtility.HtmlEncode(result.LineContent));
        }

        var html = new System.Text.StringBuilder();
        var lastIndex = 0;

        foreach (var match in result.Matches.OrderBy(m => m.Start))
        {
            // 添加匹配前的文本
            if (match.Start > lastIndex)
            {
                html.Append(System.Web.HttpUtility.HtmlEncode(result.LineContent.Substring(lastIndex, match.Start - lastIndex)));
            }

            // 添加高亮的匹配文本
            var length = match.End - match.Start;
            html.Append("<mark class=\"bg-yellow-200 text-yellow-900 font-semibold px-1 rounded\">");
            html.Append(System.Web.HttpUtility.HtmlEncode(result.LineContent.Substring(match.Start, length)));
            html.Append("</mark>");

            lastIndex = match.End;
        }

        // 添加剩余文本
        if (lastIndex < result.LineContent.Length)
        {
            html.Append(System.Web.HttpUtility.HtmlEncode(result.LineContent.Substring(lastIndex)));
        }

        return new MarkupString(html.ToString());
    }

    #region 本地化辅助方法

    private async Task LoadTranslationsAsync()
    {
        try
        {
            _currentLanguage = await L.GetCurrentLanguageAsync();
            var allTranslations = await L.GetAllTranslationsAsync(_currentLanguage);
            _translations = FlattenTranslations(allTranslations);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[文件搜索] 加载翻译资源失败: {ex.Message}");
        }
    }

    private Dictionary<string, string> FlattenTranslations(Dictionary<string, object> source, string prefix = "")
    {
        var result = new Dictionary<string, string>();

        foreach (var kvp in source)
        {
            var key = string.IsNullOrEmpty(prefix) ? kvp.Key : $"{prefix}.{kvp.Key}";

            if (kvp.Value is JsonElement jsonElement)
            {
                if (jsonElement.ValueKind == JsonValueKind.Object)
                {
                    var nested = JsonSerializer.Deserialize<Dictionary<string, object>>(jsonElement.GetRawText());
                    if (nested != null)
                    {
                        foreach (var item in FlattenTranslations(nested, key))
                        {
                            result[item.Key] = item.Value;
                        }
                    }
                }
                else if (jsonElement.ValueKind == JsonValueKind.String)
                {
                    result[key] = jsonElement.GetString() ?? key;
                }
            }
            else if (kvp.Value is Dictionary<string, object> dict)
            {
                foreach (var item in FlattenTranslations(dict, key))
                {
                    result[item.Key] = item.Value;
                }
            }
            else if (kvp.Value is string str)
            {
                result[key] = str;
            }
        }

        return result;
    }

    private string T(string key)
    {
        if (_translations.TryGetValue(key, out var translation))
        {
            return translation;
        }

        var parts = key.Split('.');
        return parts.Length > 0 ? parts[^1] : key;
    }

    private string T(string key, params (string name, string value)[] parameters)
    {
        var text = T(key);
        foreach (var (name, value) in parameters)
        {
            text = text.Replace($"{{{name}}}", value);
        }
        return text;
    }

    #endregion
}