#!/usr/bin/env python3
"""
调试 sample.py 中的 'NoneType' object has no attribute 'get' 错误
专门针对 sample_all_assets 方法中的问题
"""

import json
import sys
import os
import traceback
import copy
import uuid
from pathlib import Path

# 添加 src 路径
sys.path.insert(0, '/home/v-meiszhang/amlt-project/respace')

def load_test_scene():
    """加载测试场景数据"""
    json_path = "/home/v-meiszhang/amlt-project/group-layout/infer_results/individual_samples/full_20250831_112415/checkpoint-270/ae8d145b-5c7c-4970-a4b6-7855e64ea4eb-1f704044-378d-41ca-8978-43c0881b103c.json"
    
    print(f"📖 加载测试场景: {json_path}")
    
    with open(json_path, 'r', encoding='utf-8') as f:
        raw_data = json.load(f)
    
    # 提取和处理场景数据（简化版本）
    if "predict" in raw_data:
        scene_data = raw_data["predict"]
        # 简单的 JSON 解析
        if isinstance(scene_data, str):
            import re
            pattern = r'<answer>(.*?)</answer>'
            match = re.search(pattern, scene_data, re.DOTALL)
            if match:
                scene_data = json.loads(match.group(1).strip())
            else:
                scene_data = json.loads(scene_data)
    else:
        scene_data = raw_data
    
    # 处理房间边界
    if "room_envelope" in scene_data:
        envelope_data = scene_data["room_envelope"]
        if isinstance(envelope_data, dict):
            scene_data["bounds_top"] = envelope_data.get("bounds_top")
            scene_data["bounds_bottom"] = envelope_data.get("bounds_bottom")
    
    # 展平对象
    if "groups" in scene_data:
        scene_data["objects"] = []
        for group in scene_data["groups"]:
            if isinstance(group, dict) and "objects" in group:
                scene_data["objects"].extend(group["objects"])
    
    return scene_data

def debug_sample_all_assets():
    """调试 sample_all_assets 方法"""
    
    print("🔬 开始调试 sample_all_assets 方法")
    print("="*60)
    
    # 加载环境变量
    try:
        from dotenv import load_dotenv
        load_dotenv("/home/v-meiszhang/amlt-project/respace/.env")
        print("✅ 环境变量加载成功")
    except Exception as e:
        print(f"⚠️  环境变量加载失败: {e}")
    
    # 加载测试场景
    try:
        scene = load_test_scene()
        print(f"✅ 测试场景加载成功")
        print(f"   对象数量: {len(scene.get('objects', []))}")
        
        # 检查对象完整性
        objects = scene.get('objects', [])
        for i, obj in enumerate(objects):
            if obj is None:
                print(f"   ❌ 对象 {i+1} 为 None")
            elif not isinstance(obj, dict):
                print(f"   ❌ 对象 {i+1} 不是字典: {type(obj)}")
            else:
                desc = obj.get("desc", "")
                size = obj.get("size", [])
                print(f"   ✅ 对象 {i+1}: desc='{desc[:30]}...', size={size}")
        
    except Exception as e:
        print(f"❌ 测试场景加载失败: {e}")
        traceback.print_exc()
        return
    
    # 初始化采样引擎
    try:
        from src.sample import AssetRetrievalModule
        print("\n🔧 初始化 AssetRetrievalModule...")
        
        sampling_engine = AssetRetrievalModule(
            lambd=0.5, 
            sigma=0.05, 
            temp=0.2, 
            top_p=0.95, 
            top_k=20, 
            asset_size_threshold=0.5, 
            rand_seed=1234, 
            dvc='cuda' if os.getenv('CUDA_VISIBLE_DEVICES') else 'cpu',
            do_print=True  # 启用详细输出
        )
        print("✅ AssetRetrievalModule 初始化成功")
        
        # 检查元数据
        print(f"\n📊 元数据统计:")
        print(f"   all_assets_metadata: {len(sampling_engine.all_assets_metadata)} 条目")
        print(f"   all_assets_metadata_scaled: {len(sampling_engine.all_assets_metadata_scaled)} 条目") 
        print(f"   all_jids_catalog: {len(sampling_engine.all_jids_catalog)} 条目")
        
    except Exception as e:
        print(f"❌ AssetRetrievalModule 初始化失败: {e}")
        traceback.print_exc()
        return
    
    # 修补 create_sampled_obj 方法以添加调试信息
    original_create_sampled_obj = sampling_engine.create_sampled_obj
    
def debug_create_sampled_obj(obj, probs, is_greedy_sampling):
    """带调试信息的 create_sampled_obj"""
    print(f"\n🎯 调试 create_sampled_obj:")
    print(f"   输入对象类型: {type(obj)}")
    if obj is None:
        print("   ❌ 输入对象为 None!")
        return None
    
    print(f"   对象描述: {obj.get('desc', 'N/A')[:50]}...")
    print(f"   对象大小: {obj.get('size', 'N/A')}")
    
    try:
        # 获取采样 jid
        if obj.get("jid") == None:
            import torch
            if is_greedy_sampling:
                _, idx_sampled = torch.max(probs, dim=0)
            else:
                idx_sampled = torch.multinomial(probs, num_samples=1)
            jid_sampled_obj = sampling_engine.all_jids_catalog[idx_sampled]
        else:
            jid_sampled_obj = obj.get("jid")
        
        print(f"   采样的 JID: {jid_sampled_obj}")
        
        # 检查资产存在性
        asset = sampling_engine.all_assets_metadata.get(jid_sampled_obj)
        print(f"   在 all_assets_metadata 中: {asset is not None}")
        
        if asset == None:
            asset = sampling_engine.all_assets_metadata_scaled.get(jid_sampled_obj)
            print(f"   在 all_assets_metadata_scaled 中: {asset is not None}")
            
            if asset is None:
                print(f"   ❌ 无法找到 JID {jid_sampled_obj} 对应的资产!")
                return None
            
            # 检查缩放资产的完整性
            size_sampled_obj = asset.get("size")
            orig_jid = asset.get("jid")
            print(f"   缩放资产大小: {size_sampled_obj}")
            print(f"   原始 JID: {orig_jid}")
            
            if orig_jid is None:
                print(f"   ❌ 缩放资产没有原始 JID!")
                return None
            
            orig_asset = sampling_engine.all_assets_metadata.get(orig_jid)
            print(f"   原始资产存在: {orig_asset is not None}")
            
            if orig_asset is None:
                print(f"   ❌ 无法找到原始资产 {orig_jid}!")
                return None
            
            desc_sampled_obj = orig_asset.get("summary")
            print(f"   原始资产描述: {desc_sampled_obj[:30] if desc_sampled_obj else 'None'}...")
        else:
            desc_sampled_obj = asset.get("summary")
            size_sampled_obj = asset.get("size")
            print(f"   直接资产描述: {desc_sampled_obj[:30] if desc_sampled_obj else 'None'}...")
            print(f"   直接资产大小: {size_sampled_obj}")
        
        # 检查必要字段
        if desc_sampled_obj is None:
            print(f"   ❌ 资产描述为 None!")
            return None
        
        if size_sampled_obj is None:
            print(f"   ❌ 资产大小为 None!")
            return None
        
        # 创建新对象
        new_obj = copy.deepcopy(obj)
        new_obj.update({
            "sampled_asset_jid": jid_sampled_obj,
            "sampled_asset_desc": desc_sampled_obj,
            "sampled_asset_size": size_sampled_obj,
            "uuid": str(uuid.uuid4())
        })
        
        print(f"   ✅ 成功创建采样对象")
        return new_obj
        
    except Exception as e:
        print(f"   ❌ create_sampled_obj 内部错误: {e}")
        traceback.print_exc()
        return None    # 临时替换方法
    sampling_engine.create_sampled_obj = debug_create_sampled_obj
    
    # 修补 sample_all_assets 方法以添加更多调试信息
    print(f"\n🎯 开始调试 sample_all_assets 过程...")
    
    try:
        print(f"📊 场景信息:")
        print(f"   对象总数: {len(scene.get('objects', []))}")
        
        # 手动实现 sample_all_assets 的调试版本
        batch_size = 4  # 小批次便于调试
        sampled_scene = copy.deepcopy(scene)
        sampled_scene["objects"] = []
        desc_size_map = {}
        
        objects = scene.get("objects", [])
        descriptions = [obj.get("desc") for obj in objects]
        sizes = [obj.get("size", []) for obj in objects]
        
        print(f"📋 准备批处理:")
        print(f"   描述数量: {len(descriptions)}")
        print(f"   大小数量: {len(sizes)}")
        print(f"   批大小: {batch_size}")
        
        for batch_start in range(0, len(descriptions), batch_size):
            batch_end = min(batch_start + batch_size, len(descriptions))
            print(f"\n📦 处理批次 {batch_start}-{batch_end}")
            
            batch_descriptions = descriptions[batch_start:batch_end]
            batch_sizes = sizes[batch_start:batch_end]
            
            print(f"   批次描述: {len(batch_descriptions)} 条")
            print(f"   批次大小: {len(batch_sizes)} 条")
            
            # 获取批次概率
            try:
                batch_probs = sampling_engine.forward_batch(batch_descriptions, batch_sizes)
                print(f"   ✅ 批次概率计算成功: {batch_probs.shape}")
            except Exception as e:
                print(f"   ❌ 批次概率计算失败: {e}")
                traceback.print_exc()
                continue
            
            # 处理批次中的每个对象
            for i, obj in enumerate(objects[batch_start:batch_end]):
                obj_idx = batch_start + i
                print(f"\n🔍 处理对象 {obj_idx + 1}/{len(objects)}")
                
                if obj is None:
                    print(f"   ❌ 对象为 None，跳过")
                    continue
                
                desc = obj.get("desc")
                size = obj.get("size", [])
                print(f"   描述: {desc[:30] if desc else 'None'}...")
                print(f"   大小: {size}")
                
                # 检查是否已有相同描述的对象
                if desc in desc_size_map:
                    print(f"   🔍 在缓存中查找相似对象...")
                    matching_obj = None
                    
                    for j, sampled_obj in enumerate(desc_size_map[desc]):
                        print(f"      检查缓存对象 {j+1}: {sampled_obj is not None}")
                        
                        if sampled_obj is None:
                            print(f"      ❌ 缓存对象 {j+1} 为 None!")
                            continue
                        
                        if not isinstance(sampled_obj, dict):
                            print(f"      ❌ 缓存对象 {j+1} 不是字典: {type(sampled_obj)}")
                            continue
                        
                        if "size" not in sampled_obj:
                            print(f"      ❌ 缓存对象 {j+1} 没有 size 字段!")
                            continue
                        
                        cached_size = sampled_obj["size"]
                        if cached_size is None:
                            print(f"      ❌ 缓存对象 {j+1} 的 size 为 None!")
                            continue
                        
                        try:
                            size_diff = sampling_engine.calculate_size_difference(size, cached_size)
                            print(f"      大小差异: {size_diff} (阈值: {sampling_engine.asset_size_threshold})")
                            
                            if size_diff <= sampling_engine.asset_size_threshold:
                                matching_obj = sampled_obj
                                print(f"      ✅ 找到匹配的缓存对象!")
                                break
                        except Exception as e:
                            print(f"      ❌ 计算大小差异失败: {e}")
                            continue
                    
                    if matching_obj:
                        print(f"   ✅ 使用缓存对象")
                        new_obj = copy.deepcopy(obj)
                        new_obj.update({
                            "sampled_asset_jid": matching_obj["sampled_asset_jid"],
                            "sampled_asset_desc": matching_obj["sampled_asset_desc"],
                            "sampled_asset_size": matching_obj["sampled_asset_size"],
                            "uuid": str(uuid.uuid4())
                        })
                    else:
                        print(f"   🎯 创建新的采样对象...")
                        new_obj = sampling_engine.create_sampled_obj(obj, batch_probs[i], True)
                        if new_obj is not None:
                            desc_size_map[desc].append(new_obj)
                            print(f"   ✅ 新对象已添加到缓存")
                        else:
                            print(f"   ❌ 新对象创建失败!")
                            continue
                else:
                    print(f"   🎯 首次遇到该描述，创建新对象...")
                    new_obj = sampling_engine.create_sampled_obj(obj, batch_probs[i], True)
                    if new_obj is not None:
                        desc_size_map[desc] = [new_obj]
                        print(f"   ✅ 新对象已创建缓存条目")
                    else:
                        print(f"   ❌ 新对象创建失败!")
                        continue
                
                if new_obj is not None:
                    sampled_scene["objects"].append(new_obj)
                    print(f"   ✅ 对象已添加到最终场景")
                else:
                    print(f"   ❌ 对象为 None，跳过添加")
        
        print(f"\n🎉 采样完成!")
        print(f"   原始对象数: {len(objects)}")
        print(f"   采样对象数: {len(sampled_scene['objects'])}")
        print(f"   缓存条目数: {len(desc_size_map)}")
        
        return sampled_scene
        
    except Exception as e:
        print(f"\n❌ sample_all_assets 调试过程出错:")
        print(f"   错误类型: {type(e).__name__}")
        print(f"   错误信息: {str(e)}")
        traceback.print_exc()
        return None

def main():
    """主函数"""
    print("🔬 ReSpace Sample.py 调试工具")
    print("专门诊断 'NoneType' object has no attribute 'get' 错误")
    print("="*60)
    
    result = debug_sample_all_assets()
    
    print("\n" + "="*60)
    if result is not None:
        print("🎉 调试完成，采样过程成功执行")
        print("如果之前有错误，现在应该可以看到具体的问题位置")
    else:
        print("❌ 调试发现错误，请查看上面的详细信息")
        print("错误应该在上面的输出中有详细描述")
    print("="*60)

if __name__ == "__main__":
    main()