#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
测试 extract_first_result 的两种模式
"""

import sys
import os
import json

# 添加项目根目录到路径
project_root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.insert(0, project_root)

from core.construction_review.component.infrastructure.parent_tool import extract_first_result


def load_enhanced_results():
    """加载增强后的检索结果"""
    result_path = os.path.join(project_root, "temp", "entity_bfp_recall", "enhance_with_parent_docs.json")

    if not os.path.exists(result_path):
        print(f"❌ 文件不存在: {result_path}")
        print("请先运行 RAG 检索生成该文件")
        return None

    with open(result_path, 'r', encoding='utf-8') as f:
        enhanced_results = json.load(f)

    print(f"✅ 成功加载增强结果，共 {len(enhanced_results)} 个查询对")
    for idx, results in enumerate(enhanced_results):
        if results:
            first_entity = results[0].get('source_entity', f'query_{idx}')
            print(f"   - 查询对 {idx}: entity='{first_entity}', {len(results)} 个结果")

    return enhanced_results


def load_query_pairs():
    """加载查询对"""
    # 优先从 rag_pipeline_data.json 读取
    pipeline_path = os.path.join(project_root, "temp", "entity_bfp_recall", "rag_pipeline_data.json")

    if os.path.exists(pipeline_path):
        with open(pipeline_path, 'r', encoding='utf-8') as f:
            pipeline_data = json.load(f)

        # 从 steps 中提取 query_pairs
        query_extract_step = pipeline_data.get('steps', {}).get('1_query_extract', {})
        query_pairs = query_extract_step.get('output', {}).get('query_pairs', [])

        if query_pairs:
            print(f"✅ 从 rag_pipeline_data.json 加载了 {len(query_pairs)} 个查询对")
            for idx, qp in enumerate(query_pairs):
                print(f"   - 查询对 {idx}: entity='{qp.get('entity', 'N/A')}'")
            return query_pairs

    # 降级：从 enhanced_results 中提取 entity 信息
    print("⚠️  未找到 rag_pipeline_data.json，尝试从 enhanced_results 提取")
    result_path = os.path.join(project_root, "temp", "entity_bfp_recall", "enhance_with_parent_docs.json")

    if not os.path.exists(result_path):
        return None

    with open(result_path, 'r', encoding='utf-8') as f:
        enhanced_results = json.load(f)

    # 构造简化的 query_pairs
    query_pairs = []
    for idx, results in enumerate(enhanced_results):
        if results:
            # 优先使用 source_entity，回退到 query_N
            entity = results[0].get('source_entity', f'query_{idx}')
            query_pairs.append({
                'entity': entity,
                'search_keywords': [],
                'background': ''
            })

    return query_pairs


def test_mode_best_overall(enhanced_results, query_pairs):
    """测试模式1: 全局最优"""
    print("\n" + "="*80)
    print("📊 测试模式1: best_overall (全局最优)")
    print("="*80)

    result = extract_first_result(enhanced_results, query_pairs, mode='best_overall')

    print(f"\n✅ 返回结果:")
    print(f"  - file_name: {result.get('file_name', 'N/A')}")
    print(f"  - source_entity: {result.get('source_entity', 'N/A')}")
    print(f"  - bfp_rerank_score: {result.get('bfp_rerank_score', 0.0):.6f}")
    print(f"  - text_content 长度: {len(result.get('text_content', ''))}")
    print(f"  - retrieval_status: {result.get('retrieval_status', 'N/A')}")

    # 显示文本内容预览
    text_preview = result.get('text_content', '')[:200]
    print(f"\n  - 文本预览: {text_preview}...")

    return result


def test_mode_best_per_entity(enhanced_results, query_pairs):
    """测试模式2: 分实体最优"""
    print("\n" + "="*80)
    print("📊 测试模式2: best_per_entity (分实体最优)")
    print("="*80)

    result = extract_first_result(enhanced_results, query_pairs, mode='best_per_entity')

    print(f"\n✅ 返回结果:")
    print(f"  - total_entities: {result.get('total_entities', 0)}")
    print(f"  - retrieval_status: {result.get('retrieval_status', 'N/A')}")

    entity_results = result.get('entity_results', {})
    print(f"\n📋 各实体最优结果:")
    for entity_name, entity_result in entity_results.items():
        score = entity_result.get('bfp_rerank_score', 0.0)
        file_name = entity_result.get('file_name', 'N/A')
        text_len = len(entity_result.get('text_content', ''))

        print(f"\n  🎯 实体: {entity_name}")
        print(f"     - score: {score:.6f}")
        print(f"     - file_name: {file_name}")
        print(f"     - text_length: {text_len}")

    return result


def compare_with_current_result():
    """对比当前 extract_first_result.json 的结果"""
    print("\n" + "="*80)
    print("📂 对比当前保存的结果")
    print("="*80)

    result_path = os.path.join(project_root, "temp", "entity_bfp_recall", "extract_first_result.json")

    if not os.path.exists(result_path):
        print("⚠️  当前没有保存的 extract_first_result.json")
        return

    with open(result_path, 'r', encoding='utf-8') as f:
        current_result = json.load(f)

    print(f"\n当前保存的结果:")
    print(f"  - file_name: {current_result.get('file_name', 'N/A')}")
    print(f"  - retrieval_status: {current_result.get('retrieval_status', 'N/A')}")
    print(f"  - bfp_rerank_score: {current_result.get('bfp_rerank_score', 'N/A')}")
    print(f"  - source_entity: {current_result.get('source_entity', 'N/A')}")


if __name__ == "__main__":
    print("\n" + "="*80)
    print("🚀 开始测试 extract_first_result 的两种模式")
    print("="*80)

    # 加载数据
    enhanced_results = load_enhanced_results()
    if not enhanced_results:
        sys.exit(1)

    query_pairs = load_query_pairs()

    # 测试模式1
    result1 = test_mode_best_overall(enhanced_results, query_pairs)

    # 测试模式2
    result2 = test_mode_best_per_entity(enhanced_results, query_pairs)

    # 对比当前结果
    compare_with_current_result()

    # 保存测试结果
    test_output_path = os.path.join(project_root, "temp", "entity_bfp_recall", "test_extract_modes.json")
    with open(test_output_path, 'w', encoding='utf-8') as f:
        json.dump({
            'best_overall': result1,
            'best_per_entity': result2
        }, f, ensure_ascii=False, indent=4)

    print(f"\n✅ 测试完成，结果已保存到: {test_output_path}")
    print("\n" + "="*80)
    print("📝 建议使用哪种模式？")
    print("="*80)
    print("\n模式1 (best_overall):")
    print("  - 适用场景: 只需要一个最相关的结果")
    print("  - 优点: 返回全局最优的结果")
    print("  - 缺点: 可能丢失其他实体的有用信息")
    print("\n模式2 (best_per_entity):")
    print("  - 适用场景: 需要保留所有查询对的最优结果")
    print("  - 优点: 保留各实体的最优结果，信息更全面")
    print("  - 缺点: 返回结构更复杂，需要后续处理")
    print("\n💡 如果审查需要针对不同实体分别检查，建议使用 mode='best_per_entity'")
    print("="*80 + "\n")