namespace Service.AgentFramework;

/// <summary>
/// 文本处理工具集
/// </summary>
public interface ITextProcessingTools
{
    /// <summary>
    /// 提取关键词
    /// </summary>
    Task<List<string>> ExtractKeywordsAsync(string text);

    /// <summary>
    /// 分析文本结构
    /// </summary>
    Task<Dictionary<string, object?>> AnalyzeTextStructureAsync(string text);
}

/// <summary>
/// 文本处理工具实现
/// </summary>
public class TextProcessingTools(
    ITextSegmentService textSegmentService,
    ILogger<TextProcessingTools> logger
) : ITextProcessingTools
{
    public async Task<List<string>> ExtractKeywordsAsync(string text)
    {
        logger.LogDebug("提取关键词: {Text}", text);
        
        var keywords = await Task.FromResult(textSegmentService.ExtractKeywords(text));
        
        logger.LogDebug("提取到 {Count} 个关键词: {Keywords}",
            keywords.Count,
            string.Join(", ", keywords));

        return keywords;
    }

    public async Task<Dictionary<string, object?>> AnalyzeTextStructureAsync(string text)
    {
        logger.LogDebug("分析文本结构");
        
        return await Task.FromResult(new Dictionary<string, object?>
        {
            ["length"] = text.Length,
            ["wordCount"] = text.Split(' ').Length,
            ["timestamp"] = DateTime.UtcNow
        });
    }
}