import { Injectable } from '@angular/core';
import { FmodeObject, FmodeParse } from 'fmode-ng/parse';

const Parse = FmodeParse.with('nova');

/**
 * 图片分析结果接口
 */
export interface ImageAnalysisResult {
  // 基础信息
  fileName: string;
  fileSize: number;
  dimensions: {
    width: number;
    height: number;
  };
  
  // 质量评估
  quality: {
    score: number; // 0-100分
    level: 'low' | 'medium' | 'high' | 'ultra'; // 低、中、高、超高
    sharpness: number; // 清晰度 0-100
    brightness: number; // 亮度 0-100
    contrast: number; // 对比度 0-100
    detailLevel: 'minimal' | 'basic' | 'detailed' | 'ultra_detailed'; // 🔥 内容精细程度
    pixelDensity: 'low' | 'medium' | 'high' | 'ultra_high'; // 🔥 像素密度等级
    textureQuality: number; // 🔥 纹理质量 0-100
    colorDepth: number; // 🔥 色彩深度 0-100
  };
  
  // 内容分析
  content: {
    category: 'white_model' | 'soft_decor' | 'rendering' | 'post_process' | 'unknown';
    confidence: number; // 置信度 0-100
    description: string; // 内容描述
    tags: string[]; // 标签
    isArchitectural: boolean; // 是否为建筑相关
    hasInterior: boolean; // 是否包含室内场景
    hasFurniture: boolean; // 是否包含家具
    hasLighting: boolean; // 是否有灯光效果
    hasColor?: boolean; // 🔥 是否有色彩（非纯白、非灰度）
    hasTexture?: boolean; // 🔥 是否有材质纹理
  };
  
  // 技术参数
  technical: {
    format: string; // 文件格式
    colorSpace: string; // 色彩空间
    dpi: number; // 分辨率
    aspectRatio: string; // 宽高比
    megapixels: number; // 像素数（百万）
  };
  
  // 建议分类
  suggestedStage: 'white_model' | 'soft_decor' | 'rendering' | 'post_process';
  suggestedReason: string; // 分类原因
  
  // 设计分析维度（新增）
  design?: {
    style: string; // 风格：现代简约、欧式、中式等
    atmosphere: string; // 氛围营造方式
    material: string; // 材质分析
    texture: string; // 纹理特征
    quality: string; // 质感描述
    form: string; // 形体特征
    structure: string; // 空间结构
    colorComposition: string; // 色彩组成
  };
  
  // 色彩解析报告（新增）
  colorReport?: {
    brightness: string; // 明度：低长调/高长调分析
    hue: string; // 色相：色彩种类
    saturation: string; // 饱和度：低/中/高
    openness: string; // 色彩开放度：根据色相种类划分
    extractedColors: string[]; // 提取的基础颜色
    organizedColors: Array<{ color: string; role: string; percentage: number }>; // 组织颜色（主次）
    expandedColors: string[]; // 拓展颜色（配色）
    harmonizedColors: string[]; // 调和颜色（配色）
  };

  // 风格元素分析（新增）
  styleElements?: {
    styleKeywords: string[]; // 风格关键词（如：新古典主义、现代轻奢、艺术装饰等）
  };

  // 色彩搭配分析（新增）
  colorScheme?: {
    primaryColors: string[]; // 主色调
    secondaryColors: string[]; // 辅助色
    accentColors: string[]; // 点缀色
  };

  // 材质分析（新增）
  materialAnalysis?: {
    materials: string[]; // 识别的材质（大理石、玻璃、布、金属等）
  };

  // 布局特征分析（新增）
  layoutFeatures?: {
    features: string[]; // 布局特征（对称式布局、多区域采光、开放式空间等）
  };

  // 空间氛围分析（新增）
  atmosphereAnalysis?: {
    atmosphere: string; // 空间氛围描述
  };
  
  // AI分析时间
  analysisTime: number; // 分析耗时（毫秒）
  analysisDate: string; // 分析时间
}

/**
 * 图片分析服务
 * 基于豆包1.6模型进行图片内容识别和质量评估
 */
@Injectable({
  providedIn: 'root'
})
export class ImageAnalysisService {
  
  // 使用豆包1.6模型
  private readonly MODEL = 'fmode-1.6-cn';
  
  constructor() {}

  /**
   * 动态加载 completionJSON，避免编译路径不兼容
   */
  private async callCompletionJSON(
    prompt: string,
    outputSchema: string,
    onStream?: (content: any) => void,
    retry: number = 2,
    options: any = {}
  ): Promise<any> {
    const mod = await import('fmode-ng/core/agent/chat/completion');
    const completionJSON = (mod as any).completionJSON as (
      prompt: string,
      output: string,
      onStream?: (content: any) => void,
      retry?: number,
      options?: any
    ) => Promise<any>;
    return completionJSON(prompt, outputSchema, onStream, retry, options);
  }

  /**
   * 分析单张图片
   */
  async analyzeImage(
    imageUrl: string, 
    file: File,
    onProgress?: (progress: string) => void
  ): Promise<ImageAnalysisResult> {
    const startTime = Date.now();
    
    try {
      onProgress?.('正在分析图片内容...');
      
      // 获取图片基础信息
      const basicInfo = await this.getImageBasicInfo(file);
      
      onProgress?.('正在进行AI内容识别...');
      
      // 使用豆包1.6进行内容分析
      const contentAnalysis = await this.analyzeImageContent(imageUrl);
      
      onProgress?.('正在评估图片质量...');
      
      // 质量评估
      const qualityAnalysis = await this.analyzeImageQuality(imageUrl, basicInfo);
      
      onProgress?.('正在生成分析报告...');
      
      // 综合分析结果
      const result: ImageAnalysisResult = {
        fileName: file.name,
        fileSize: file.size,
        dimensions: basicInfo.dimensions,
        quality: qualityAnalysis,
        content: contentAnalysis,
        technical: {
          format: file.type,
          colorSpace: 'sRGB', // 默认值，实际可通过更深入分析获得
          dpi: basicInfo.dpi || 72,
          aspectRatio: this.calculateAspectRatio(basicInfo.dimensions.width, basicInfo.dimensions.height),
          megapixels: Math.round((basicInfo.dimensions.width * basicInfo.dimensions.height) / 1000000 * 100) / 100
        },
        suggestedStage: this.determineSuggestedStage(contentAnalysis, qualityAnalysis),
        suggestedReason: this.generateSuggestionReason(contentAnalysis, qualityAnalysis),
        analysisTime: Date.now() - startTime,
        analysisDate: new Date().toISOString()
      };
      
      onProgress?.('分析完成');
      
      return result;
      
    } catch (error) {
      console.error('图片分析失败:', error);
      throw new Error('图片分析失败: ' + (error as Error).message);
    }
  }

  /**
   * 获取图片基础信息
   */
  private async getImageBasicInfo(file: File): Promise<{
    dimensions: { width: number; height: number };
    dpi?: number;
  }> {
    return new Promise((resolve, reject) => {
      const img = new Image();
      img.onload = () => {
        resolve({
          dimensions: {
            width: img.naturalWidth,
            height: img.naturalHeight
          },
          dpi: 72 // 默认DPI，实际项目中可以通过EXIF数据获取
        });
      };
      img.onerror = () => reject(new Error('无法加载图片'));
      img.src = URL.createObjectURL(file);
    });
  }

  /**
   * 使用豆包1.6分析图片内容
   */
  private async analyzeImageContent(imageUrl: string): Promise<ImageAnalysisResult['content']> {
    const prompt = `请分析这张室内设计相关的图片，并按以下JSON格式输出分析结果:

{
  "category": "图片类别(white_model/soft_decor/rendering/post_process/unknown)",
  "confidence": "置信度(0-100)",
  "description": "详细的内容描述",
  "tags": ["标签1", "标签2", "标签3"],
  "isArchitectural": "是否为建筑相关(true/false)",
  "hasInterior": "是否包含室内场景(true/false)",
  "hasFurniture": "是否包含家具(true/false)",
  "hasLighting": "是否有灯光效果(true/false)",
  "hasColor": "是否有色彩（非纯白、非灰度）(true/false)",
  "hasTexture": "是否有材质纹理(true/false)"
}

分类标准:
- white_model: 白模、线框图、基础建模、结构图（特征：纯白色或灰色、无色彩、无材质、无家具、无灯光）
- soft_decor: 软装搭配、家具配置、装饰品、材质贴图（特征：有家具、有色彩、有材质、但灯光不突出）
- rendering: 渲染图、效果图、光影表现、材质细节（特征：有灯光效果、有色彩、有材质、质量较高）
- post_process: 后期处理、色彩调整、特效、最终成品（特征：完整场景、精致色彩、专业质量）

重要判断依据:
1. 如果图片是纯白色或灰色草图，无任何色彩 → 白模
2. 如果图片有丰富色彩和材质 → 不是白模
3. 如果图片有灯光效果 → 渲染或后期
4. 如果图片有家具但无灯光 → 软装

要求:
1. 准确识别图片中的设计元素
2. 特别注意图片是否有色彩（区分白模和渲染图的关键）
3. 判断图片的制作阶段和用途
4. 提取关键的视觉特征`;

    const output = `{
  "category": "white_model",
  "confidence": 85,
  "description": "室内空间白模图，显示了基础的空间结构",
  "tags": ["白模", "室内", "结构"],
  "isArchitectural": true,
  "hasInterior": true,
  "hasFurniture": false,
  "hasLighting": false,
  "hasColor": false,
  "hasTexture": false
}`;

    try {
      const result = await this.callCompletionJSON(
        prompt,
        output,
        (content) => {
          console.log('AI分析进度:', content?.length || 0);
        },
        2,
        {
          model: this.MODEL,
          vision: true,
          images: [imageUrl]
        }
      );

      return result || {
        category: 'unknown',
        confidence: 0,
        description: '无法识别图片内容',
        tags: [],
        isArchitectural: false,
        hasInterior: false,
        hasFurniture: false,
        hasLighting: false
      };
    } catch (error) {
      console.error('内容分析失败:', error);
      return {
        category: 'unknown',
        confidence: 0,
        description: '内容分析失败',
        tags: [],
        isArchitectural: false,
        hasInterior: false,
        hasFurniture: false,
        hasLighting: false
      };
    }
  }

  /**
   * 🔥 分析图片质量（增强版：包含精细度和像素密度）
   */
  private async analyzeImageQuality(
    imageUrl: string, 
    basicInfo: { dimensions: { width: number; height: number } }
  ): Promise<ImageAnalysisResult['quality']> {
    const prompt = `请分析这张室内设计图片的质量，并按以下JSON格式输出:

{
  "score": "总体质量分数(0-100)",
  "level": "质量等级(low/medium/high/ultra)",
  "sharpness": "清晰度(0-100)",
  "brightness": "亮度(0-100)",
  "contrast": "对比度(0-100)",
  "textureQuality": "纹理质量(0-100)",
  "colorDepth": "色彩深度(0-100)"
}

评估标准:
- score: 综合质量评分，考虑清晰度、构图、色彩、纹理等
- level: low(<60分), medium(60-75分), high(75-90分), ultra(>90分)
- sharpness: 图片清晰度，是否有模糊、噪点、锯齿
- brightness: 亮度是否适中，不过暗或过亮
- contrast: 对比度是否合适，层次是否分明
- textureQuality: 纹理质量，材质细节是否清晰（木纹、布纹、石材等）
- colorDepth: 色彩深度，色彩过渡是否自然，是否有色带

请客观评估图片质量，重点关注专业室内设计图片的标准。`;

    const output = `{
  "score": 75,
  "level": "high",
  "sharpness": 80,
  "brightness": 70,
  "contrast": 75,
  "textureQuality": 75,
  "colorDepth": 80
}`;

    try {
      const result = await this.callCompletionJSON(
        prompt,
        output,
        (content) => {
          console.log('🔍 质量分析进度:', content?.length || 0);
        },
        2,
        {
          model: this.MODEL,
          vision: true,
          images: [imageUrl]
        }
      );

      // 🔥 结合图片分辨率和像素密度进行质量调整
      const resolutionScore = this.calculateResolutionScore(basicInfo.dimensions);
      const pixelDensity = this.calculatePixelDensity(basicInfo.dimensions);
      
      // 🔥 评估内容精细程度
      const detailLevel = await this.evaluateDetailLevel(imageUrl, basicInfo.dimensions);
      
      // 🔥 综合评分：AI评分(40%) + 分辨率(30%) + 纹理质量(20%) + 色彩深度(10%)
      const adjustedScore = Math.round(
        result.score * 0.4 + 
        resolutionScore * 0.3 + 
        (result.textureQuality || 50) * 0.2 + 
        (result.colorDepth || 50) * 0.1
      );

      console.log('📊 质量分析结果:', {
        AI评分: result.score,
        分辨率评分: resolutionScore,
        纹理质量: result.textureQuality,
        色彩深度: result.colorDepth,
        综合评分: adjustedScore,
        像素密度: pixelDensity,
        精细程度: detailLevel
      });

      return {
        score: adjustedScore,
        level: this.getQualityLevel(adjustedScore),
        sharpness: result.sharpness || 50,
        brightness: result.brightness || 50,
        contrast: result.contrast || 50,
        detailLevel: detailLevel,
        pixelDensity: pixelDensity,
        textureQuality: result.textureQuality || 50,
        colorDepth: result.colorDepth || 50
      };
    } catch (error) {
      console.error('❌ 质量分析失败:', error);
      // 基于分辨率和像素的备选评估
      const resolutionScore = this.calculateResolutionScore(basicInfo.dimensions);
      const pixelDensity = this.calculatePixelDensity(basicInfo.dimensions);
      const megapixels = (basicInfo.dimensions.width * basicInfo.dimensions.height) / 1000000;
      
      // 根据像素推测精细程度
      let detailLevel: 'minimal' | 'basic' | 'detailed' | 'ultra_detailed' = 'basic';
      if (megapixels >= 8) detailLevel = 'ultra_detailed';
      else if (megapixels >= 2) detailLevel = 'detailed';
      else if (megapixels >= 0.9) detailLevel = 'basic';
      else detailLevel = 'minimal';
      
      return {
        score: resolutionScore,
        level: this.getQualityLevel(resolutionScore),
        sharpness: 50,
        brightness: 50,
        contrast: 50,
        detailLevel: detailLevel,
        pixelDensity: pixelDensity,
        textureQuality: resolutionScore * 0.8,
        colorDepth: resolutionScore * 0.9
      };
    }
  }

  /**
   * 🔥 基于分辨率和像素密度计算质量分数（更精细）
   */
  private calculateResolutionScore(dimensions: { width: number; height: number }): number {
    const totalPixels = dimensions.width * dimensions.height;
    const megapixels = totalPixels / 1000000;
    
    // 更精细的像素分级
    if (megapixels >= 33) return 98;  // 8K (7680×4320)
    if (megapixels >= 24) return 96;  // 6K (6144×3160)
    if (megapixels >= 16) return 94;  // 5K (5120×2880)
    if (megapixels >= 8) return 92;   // 4K (3840×2160)
    if (megapixels >= 6) return 88;   // 2.5K+ (2560×2304)
    if (megapixels >= 4) return 84;   // QHD+ (2560×1600)
    if (megapixels >= 2) return 78;   // 1080p (1920×1080)
    if (megapixels >= 1) return 68;   // 720p+ (1280×720)
    if (megapixels >= 0.5) return 55; // 中等分辨率
    if (megapixels >= 0.3) return 40; // 低分辨率
    return 25; // 极低分辨率
  }

  /**
   * 🔥 计算像素密度等级
   */
  private calculatePixelDensity(dimensions: { width: number; height: number }): 'low' | 'medium' | 'high' | 'ultra_high' {
    const totalPixels = dimensions.width * dimensions.height;
    const megapixels = totalPixels / 1000000;
    
    if (megapixels >= 8) return 'ultra_high';  // 4K及以上
    if (megapixels >= 2) return 'high';        // 1080p及以上
    if (megapixels >= 0.9) return 'medium';    // 720p及以上
    return 'low';                               // 低于720p
  }

  /**
   * 🔥 评估内容精细程度
   */
  private async evaluateDetailLevel(
    imageUrl: string,
    dimensions: { width: number; height: number }
  ): Promise<'minimal' | 'basic' | 'detailed' | 'ultra_detailed'> {
    const prompt = `请评估这张室内设计图片的内容精细程度，并返回JSON:

{
  "detailLevel": "精细程度(minimal/basic/detailed/ultra_detailed)",
  "textureQuality": "纹理质量评分(0-100)",
  "colorDepth": "色彩深度评分(0-100)",
  "reasoning": "评估理由"
}

评估标准:
- minimal: 极简图，只有基本轮廓，无细节纹理
- basic: 基础图，有简单纹理和色彩，细节较少
- detailed: 详细图，有丰富纹理、材质细节、光影效果
- ultra_detailed: 超精细图，有极致纹理、真实材质、复杂光影、细微细节

重点关注:
1. 纹理细节（木纹、布纹、石材纹理等）
2. 材质表现（金属反射、玻璃透明度、布料质感等）
3. 光影效果（阴影、高光、环境光等）
4. 细微元素（装饰品细节、边角处理等）`;

    const output = `{
  "detailLevel": "detailed",
  "textureQuality": 75,
  "colorDepth": 80,
  "reasoning": "图片包含丰富的纹理和材质细节"
}`;

    try {
      const result = await this.callCompletionJSON(
        prompt,
        output,
        undefined,
        2,
        {
          model: this.MODEL,
          vision: true,
          images: [imageUrl]
        }
      );

      return result.detailLevel || 'basic';
    } catch (error) {
      console.error('精细程度评估失败:', error);
      // 基于分辨率的备选评估
      const megapixels = (dimensions.width * dimensions.height) / 1000000;
      if (megapixels >= 8) return 'ultra_detailed';
      if (megapixels >= 2) return 'detailed';
      if (megapixels >= 0.9) return 'basic';
      return 'minimal';
    }
  }

  /**
   * 获取质量等级
   */
  private getQualityLevel(score: number): 'low' | 'medium' | 'high' | 'ultra' {
    if (score >= 90) return 'ultra';
    if (score >= 75) return 'high';
    if (score >= 60) return 'medium';
    return 'low';
  }

  /**
   * 计算宽高比
   */
  private calculateAspectRatio(width: number, height: number): string {
    const gcd = (a: number, b: number): number => b === 0 ? a : gcd(b, a % b);
    const divisor = gcd(width, height);
    return `${width / divisor}:${height / divisor}`;
  }

  /**
   * 🔥 确定建议的阶段分类（优化版：更精准的判断逻辑）
   */
  private determineSuggestedStage(
    content: ImageAnalysisResult['content'],
    quality: ImageAnalysisResult['quality']
  ): 'white_model' | 'soft_decor' | 'rendering' | 'post_process' {
    // 如果AI已经识别出明确类别且置信度高
    if (content.confidence > 75 && content.category !== 'unknown') {
      return content.category as any;
    }

    // 🔥 综合判断：像素密度 + 内容精细度 + 质量分数 + 特征
    const megapixels = quality.pixelDensity;
    const detailLevel = quality.detailLevel;
    const qualityScore = quality.score;
    const textureQuality = quality.textureQuality;
    
    console.log('🎯 阶段判断依据:', {
      像素密度: megapixels,
      精细程度: detailLevel,
      质量分数: qualityScore,
      纹理质量: textureQuality,
      有家具: content.hasFurniture,
      有灯光: content.hasLighting,
      有色彩: content.hasColor,
      有纹理: content.hasTexture
    });

    // 🔥 白模阶段：放宽条件，更准确识别白色/灰色无渲染的图片
    // 修复：默认值应该是false（无色彩/无纹理），而不是true
    const hasColor = content.hasColor === true;  // 🔥 修复：只有明确有色彩才为true
    const hasTexture = content.hasTexture === true;  // 🔥 修复：只有明确有纹理才为true
    
    // 🔥 白模判断：无装饰 + 无灯光 + 低质量 (放宽色彩和纹理条件)
    if (!content.hasFurniture && 
        !content.hasLighting && 
        qualityScore < 65 &&  // 🔥 放宽质量要求（原60提升到65）
        !hasColor) {  // 🔥 主要看是否有色彩，纹理可以忽略
      console.log('✅ 判定为白模阶段：无装饰 + 无灯光 + 无色彩 + 低质量');
      return 'white_model';
    }
    
    // 🔥 如果质量极低且无装饰，也判定为白模
    if (qualityScore < 50 && 
        !content.hasFurniture && 
        !content.hasLighting) {
      console.log('✅ 判定为白模阶段：极低质量 + 无装饰');
      return 'white_model';
    }
    
    // 🔥 如果有明显色彩或灯光，绝对不是白模
    if (hasColor || content.hasLighting) {
      console.log('✅ 有色彩或灯光，不是白模，继续判断其他阶段');
    }

    // 🔥 软装阶段：有家具 + 无灯光 + 中等质量
    if (content.hasFurniture && !content.hasLighting && 
        qualityScore >= 60 && qualityScore < 80) {
      console.log('✅ 判定为软装阶段：有家具 + 无灯光');
      return 'soft_decor';
    }

    // 🔥 渲染阶段：有灯光 + 高质量 + 详细精细度
    if (content.hasLighting && 
        (detailLevel === 'detailed' || detailLevel === 'ultra_detailed') &&
        qualityScore >= 75 && qualityScore < 90) {
      console.log('✅ 判定为渲染阶段：有灯光 + 高质量 + 详细精细度');
      return 'rendering';
    }

    // 🔥 后期处理阶段：超高质量 + 超精细 + 高纹理质量
    if (qualityScore >= 90 && 
        detailLevel === 'ultra_detailed' &&
        textureQuality >= 85 &&
        (megapixels === 'ultra_high' || megapixels === 'high')) {
      console.log('✅ 判定为后期处理阶段：超高质量 + 超精细');
      return 'post_process';
    }

    // 🔥 渲染阶段：有灯光效果，即使质量不是最高
    if (content.hasLighting && qualityScore >= 70) {
      console.log('✅ 判定为渲染阶段：有灯光效果');
      return 'rendering';
    }

    // 🔥 软装阶段：有家具但质量一般
    if (content.hasFurniture && qualityScore >= 60) {
      console.log('✅ 判定为软装阶段：有家具');
      return 'soft_decor';
    }

    // 🔥 默认：根据质量分数判断（优先渲染，避免误判为白模）
    if (qualityScore >= 85) {
      console.log('✅ 默认判定为后期处理阶段：高质量');
      return 'post_process';
    } else if (qualityScore >= 65) {
      console.log('✅ 默认判定为渲染阶段：中高质量');
      return 'rendering';
    } else if (qualityScore >= 50) {
      console.log('✅ 默认判定为软装阶段：中等质量');
      return 'soft_decor';
    } else if (qualityScore >= 40) {
      console.log('✅ 默认判定为渲染阶段：低质量但有内容');
      return 'rendering';  // 🔥 即使质量低，也优先判定为渲染而非白模
    } else {
      console.log('⚠️ 默认判定为白模阶段：极低质量');
      return 'white_model';
    }
  }

  /**
   * 生成分类建议原因
   */
  private generateSuggestionReason(
    content: ImageAnalysisResult['content'],
    quality: ImageAnalysisResult['quality']
  ): string {
    const reasons = [];
    
    if (content.confidence > 70) {
      reasons.push(`AI识别置信度${content.confidence}%`);
    }
    
    if (quality.score >= 90) {
      reasons.push('图片质量极高，适合最终展示');
    } else if (quality.score >= 75) {
      reasons.push('图片质量良好');
    } else if (quality.score < 60) {
      reasons.push('图片质量较低，可能为初期阶段');
    }
    
    if (content.hasLighting) {
      reasons.push('包含灯光效果');
    }
    
    if (content.hasFurniture) {
      reasons.push('包含家具配置');
    }
    
    if (!content.hasFurniture && !content.hasLighting) {
      reasons.push('基础结构图，无装饰元素');
    }
    
    return reasons.join('，') || '基于图片特征综合判断';
  }

  /**
   * 批量分析图片
   */
  async analyzeImages(
    files: { file: File; url: string }[],
    onProgress?: (current: number, total: number, currentFileName: string) => void
  ): Promise<ImageAnalysisResult[]> {
    const results: ImageAnalysisResult[] = [];
    
    for (let i = 0; i < files.length; i++) {
      const { file, url } = files[i];
      onProgress?.(i + 1, files.length, file.name);
      
      try {
        const result = await this.analyzeImage(url, file);
        results.push(result);
      } catch (error) {
        console.error(`分析文件 ${file.name} 失败:`, error);
        // 创建一个基础的错误结果
        results.push(this.createErrorResult(file, error as Error));
      }
    }
    
    return results;
  }

  /**
   * 创建错误结果
   */
  private createErrorResult(file: File, error: Error): ImageAnalysisResult {
    return {
      fileName: file.name,
      fileSize: file.size,
      dimensions: { width: 0, height: 0 },
      quality: {
        score: 0,
        level: 'low',
        sharpness: 0,
        brightness: 0,
        contrast: 0,
        detailLevel: 'minimal',
        pixelDensity: 'low',
        textureQuality: 0,
        colorDepth: 0
      },
      content: {
        category: 'unknown',
        confidence: 0,
        description: `分析失败: ${error.message}`,
        tags: [],
        isArchitectural: false,
        hasInterior: false,
        hasFurniture: false,
        hasLighting: false
      },
      technical: {
        format: file.type,
        colorSpace: 'unknown',
        dpi: 0,
        aspectRatio: '0:0',
        megapixels: 0
      },
      suggestedStage: 'white_model',
      suggestedReason: '分析失败，默认分类',
      analysisTime: 0,
      analysisDate: new Date().toISOString()
    };
  }

  /**
   * 保存分析结果到数据库
   */
  async saveAnalysisResult(
    projectId: string,
    spaceId: string,
    stageType: string,
    analysisResult: ImageAnalysisResult
  ): Promise<void> {
    try {
      // 查询项目
      const projectQuery = new Parse.Query('Project');
      const project = await projectQuery.get(projectId);

      if (!project) {
        throw new Error('项目不存在');
      }

      // 获取现有的date数据
      const dateData = project.get('date') || {};

      // 初始化图片分析数据结构
      if (!dateData.imageAnalysis) {
        dateData.imageAnalysis = {};
      }

      if (!dateData.imageAnalysis[spaceId]) {
        dateData.imageAnalysis[spaceId] = {};
      }

      if (!dateData.imageAnalysis[spaceId][stageType]) {
        dateData.imageAnalysis[spaceId][stageType] = [];
      }

      // 添加分析结果
      dateData.imageAnalysis[spaceId][stageType].push(analysisResult);

      // 保存到项目
      project.set('date', dateData);
      await project.save();

      console.log('图片分析结果已保存到项目数据库');

    } catch (error) {
      console.error('保存分析结果失败:', error);
      throw error;
    }
  }

  /**
   * 🔥 快速生成模拟分析结果（用于开发测试）
   * 根据文件名和空间名称快速生成分析结果，无需调用AI
   */
  generateMockAnalysisResult(
    file: File,
    spaceName?: string,
    stageName?: string
  ): ImageAnalysisResult {
    const fileName = file.name.toLowerCase();
    const fileSize = file.size;

    let suggestedStage: 'white_model' | 'soft_decor' | 'rendering' | 'post_process' = 'white_model';
    let category: 'white_model' | 'soft_decor' | 'rendering' | 'post_process' | 'unknown' = 'white_model';
    let confidence = 75;
    let analysisReason = '基于文件名和特征分析';

    // 增强的关键词匹配
    const stageKeywords = {
      white_model: ['白模', 'white', 'model', '毛坯', '空间', '结构', '框架', '基础'],
      soft_decor: ['软装', 'soft', 'decor', '家具', 'furniture', '装饰', '饰品', '布艺'],
      rendering: ['渲染', 'render', '效果', 'effect', '光照', '材质', '质感'],
      post_process: ['后期', 'post', 'final', '最终', '完成', '成品', '精修', '调色']
    };

    // 分析文件名匹配度
    let maxMatchScore = 0;
    let bestStage = 'white_model';
    
    Object.entries(stageKeywords).forEach(([stage, keywords]) => {
      const matchScore = keywords.reduce((score, keyword) => {
        if (fileName.includes(keyword)) {
          return score + (keyword.length > 2 ? 2 : 1); // 长关键词权重更高
        }
        return score;
      }, 0);
      
      if (matchScore > maxMatchScore) {
        maxMatchScore = matchScore;
        bestStage = stage as typeof suggestedStage;
      }
    });

    if (maxMatchScore > 0) {
      suggestedStage = bestStage as 'white_model' | 'soft_decor' | 'rendering' | 'post_process';
      category = bestStage as 'white_model' | 'soft_decor' | 'rendering' | 'post_process';
      confidence = Math.min(75 + maxMatchScore * 5, 95);
      analysisReason = `文件名包含${this.getStageName(bestStage)}相关关键词`;
    }

    // 文件大小分析
    if (fileSize > 8 * 1024 * 1024) { // 大于8MB
      if (suggestedStage === 'white_model') {
        suggestedStage = 'rendering';
        category = 'rendering';
        confidence = Math.min(confidence + 10, 95);
        analysisReason += '，大文件更可能是高质量渲染图';
      }
    } else if (fileSize < 500 * 1024) { // 小于500KB
      if (suggestedStage === 'post_process') {
        suggestedStage = 'white_model';
        category = 'white_model';
        confidence = Math.max(confidence - 10, 60);
        analysisReason += '，小文件更可能是简单的白模图';
      }
    }

    // 根据目标阶段调整
    if (stageName) {
      const targetStageMap: Record<string, typeof suggestedStage> = {
        '白模': 'white_model',
        '软装': 'soft_decor',
        '渲染': 'rendering',
        '后期': 'post_process'
      };
      
      const targetStage = targetStageMap[stageName];
      if (targetStage && targetStage === suggestedStage) {
        confidence = Math.min(confidence + 15, 98);
        analysisReason += `，与目标阶段一致`;
      }
    }

    const qualityScoreMap = {
      'white_model': 75,
      'soft_decor': 82,
      'rendering': 88,
      'post_process': 95
    };

    const score = qualityScoreMap[suggestedStage];

    // 生成模拟分析结果
    const result: ImageAnalysisResult = {
      fileName: file.name,
      fileSize: file.size,
      dimensions: {
        width: 1920 + Math.floor(Math.random() * 400), // 模拟不同尺寸
        height: 1080 + Math.floor(Math.random() * 300)
      },
      quality: {
        score: score,
        level: this.getQualityLevel(score),
        sharpness: Math.min(score + Math.floor(Math.random() * 10), 100),
        brightness: Math.max(score - Math.floor(Math.random() * 10), 50),
        contrast: Math.min(score + Math.floor(Math.random() * 8), 100),
        detailLevel: score >= 90 ? 'ultra_detailed' : score >= 75 ? 'detailed' : score >= 60 ? 'basic' : 'minimal',
        pixelDensity: score >= 90 ? 'ultra_high' : score >= 75 ? 'high' : score >= 60 ? 'medium' : 'low',
        textureQuality: Math.min(score + Math.floor(Math.random() * 5), 100),
        colorDepth: Math.min(score + Math.floor(Math.random() * 5), 100)
      },
      content: {
        category: category,
        confidence: confidence,
        description: `${spaceName || '室内空间'}${this.getStageName(suggestedStage)}图`,
        tags: this.generateTags(suggestedStage, spaceName),
        isArchitectural: true,
        hasInterior: true,
        hasFurniture: suggestedStage !== 'white_model',
        hasLighting: suggestedStage === 'rendering' || suggestedStage === 'post_process'
      },
      technical: {
        format: file.type,
        colorSpace: Math.random() > 0.8 ? 'Adobe RGB' : 'sRGB',
        dpi: Math.random() > 0.5 ? 300 : 72,
        aspectRatio: this.calculateAspectRatio(1920, 1080),
        megapixels: Math.round(((1920 * 1080) / 1000000) * 100) / 100
      },
      suggestedStage: suggestedStage,
      suggestedReason: analysisReason,
      analysisTime: 50 + Math.floor(Math.random() * 100),
      analysisDate: new Date().toISOString()
    };

    console.log(`🚀 增强模拟分析结果: ${file.name} -> ${this.getStageName(suggestedStage)}`, {
      confidence: confidence,
      reason: analysisReason,
      fileSize: `${(fileSize / 1024 / 1024).toFixed(1)}MB`
    });

    return result;
  }

  /**
   * 生成标签
   */
  private generateTags(stage: string, spaceName?: string): string[] {
    const baseTags = [this.getStageName(stage), spaceName || '室内', '设计'];
    
    const stageSpecificTags: Record<string, string[]> = {
      'white_model': ['建筑', '结构', '空间布局'],
      'soft_decor': ['家具', '装饰', '色彩搭配'],
      'rendering': ['渲染', '光影', '材质'],
      'post_process': ['后期', '色彩调整', '成品']
    };
    
    return [...baseTags, ...(stageSpecificTags[stage] || [])];
  }

  /**
   * 获取阶段名称
   */
  private getStageName(stageType: string): string {
    const stageMap: { [key: string]: string } = {
      'white_model': '白模',
      'soft_decor': '软装',
      'rendering': '渲染',
      'post_process': '后期'
    };
    return stageMap[stageType] || stageType;
  }
}