#!/usr/bin/env python3
"""
Crossref API 调试脚本
逐步测试不同的参数组合来找出问题
"""

import requests
import json

def test_basic_search():
    """测试最基本的搜索"""
    url = "https://api.crossref.org/works"
    
    headers = {
        'User-Agent': 'Academic-Reviewer-System/1.0 (mailto:test@example.com)'
    }
    
    # 最基本的参数
    params = {
        "query": "machine learning",
        "rows": 3
    }
    
    print("=== 测试1: 基本搜索 ===")
    print(f"URL: {url}")
    print(f"参数: {params}")
    print("-" * 50)
    
    try:
        response = requests.get(url, params=params, headers=headers, timeout=30)
        print(f"状态码: {response.status_code}")
        
        if response.status_code == 200:
            data = response.json()
            items = data.get("message", {}).get("items", [])
            print(f"成功! 返回 {len(items)} 个结果")
            
            for i, item in enumerate(items, 1):
                title = item.get('title', ['N/A'])[0] if item.get('title') else 'N/A'
                print(f"{i}. {title}")
            
            return True
        else:
            print(f"失败: {response.text}")
            return False
            
    except Exception as e:
        print(f"异常: {str(e)}")
        return False

def test_with_sort():
    """测试添加排序参数"""
    url = "https://api.crossref.org/works"
    
    headers = {
        'User-Agent': 'Academic-Reviewer-System/1.0 (mailto:test@example.com)'
    }
    
    # 添加排序参数
    params = {
        "query": "machine learning",
        "rows": 3,
        "sort": "published",
        "order": "desc"
    }
    
    print("\n=== 测试2: 添加排序参数 ===")
    print(f"参数: {params}")
    print("-" * 50)
    
    try:
        response = requests.get(url, params=params, headers=headers, timeout=30)
        print(f"状态码: {response.status_code}")
        
        if response.status_code == 200:
            data = response.json()
            items = data.get("message", {}).get("items", [])
            print(f"成功! 返回 {len(items)} 个结果")
            return True
        else:
            print(f"失败: {response.text}")
            return False
            
    except Exception as e:
        print(f"异常: {str(e)}")
        return False

def test_with_select():
    """测试添加select参数"""
    url = "https://api.crossref.org/works"
    
    headers = {
        'User-Agent': 'Academic-Reviewer-System/1.0 (mailto:test@example.com)'
    }
    
    # 添加select参数
    params = {
        "query": "machine learning",
        "rows": 3,
        "select": "DOI,title,author"
    }
    
    print("\n=== 测试3: 添加select参数 ===")
    print(f"参数: {params}")
    print("-" * 50)
    
    try:
        response = requests.get(url, params=params, headers=headers, timeout=30)
        print(f"状态码: {response.status_code}")
        
        if response.status_code == 200:
            data = response.json()
            items = data.get("message", {}).get("items", [])
            print(f"成功! 返回 {len(items)} 个结果")
            return True
        else:
            print(f"失败: {response.text}")
            return False
            
    except Exception as e:
        print(f"异常: {str(e)}")
        return False

def test_cited_count_sort():
    """测试按引用量排序"""
    url = "https://api.crossref.org/works"
    
    headers = {
        'User-Agent': 'Academic-Reviewer-System/1.0 (mailto:test@example.com)'
    }
    
    # 测试不同的排序选项
    sort_options = ["published", "relevance", "deposited"]
    
    for sort_option in sort_options:
        params = {
            "query": "machine learning",
            "rows": 3,
            "sort": sort_option,
            "order": "desc"
        }
        
        print(f"\n=== 测试4: 排序选项 '{sort_option}' ===")
        print(f"参数: {params}")
        print("-" * 50)
        
        try:
            response = requests.get(url, params=params, headers=headers, timeout=30)
            print(f"状态码: {response.status_code}")
            
            if response.status_code == 200:
                data = response.json()
                items = data.get("message", {}).get("items", [])
                print(f"成功! 返回 {len(items)} 个结果")
                
                # 显示引用量信息
                for i, item in enumerate(items, 1):
                    title = item.get('title', ['N/A'])[0] if item.get('title') else 'N/A'
                    cited_count = item.get('is-referenced-by-count', 0)
                    print(f"{i}. {title} (被引用: {cited_count})")
                
            else:
                print(f"失败: {response.text}")
                
        except Exception as e:
            print(f"异常: {str(e)}")

def test_full_params():
    """测试完整参数"""
    url = "https://api.crossref.org/works"
    
    headers = {
        'User-Agent': 'Academic-Reviewer-System/1.0 (mailto:test@example.com)'
    }
    
    # 完整的参数
    params = {
        "query": "machine learning",
        "rows": 3,
        "sort": "published",
        "order": "desc",
        "select": "DOI,title,author,container-title,published-print,published-online,is-referenced-by-count"
    }
    
    print(f"\n=== 测试5: 完整参数 ===")
    print(f"参数: {params}")
    print("-" * 50)
    
    try:
        response = requests.get(url, params=params, headers=headers, timeout=30)
        print(f"状态码: {response.status_code}")
        
        if response.status_code == 200:
            data = response.json()
            items = data.get("message", {}).get("items", [])
            print(f"成功! 返回 {len(items)} 个结果")
            
            for i, item in enumerate(items, 1):
                title = item.get('title', ['N/A'])[0] if item.get('title') else 'N/A'
                cited_count = item.get('is-referenced-by-count', 0)
                print(f"{i}. {title} (被引用: {cited_count})")
            
            return True
        else:
            print(f"失败: {response.text}")
            return False
            
    except Exception as e:
        print(f"异常: {str(e)}")
        return False

if __name__ == "__main__":
    print("Crossref API 调试测试")
    print("=" * 60)
    
    # 逐步测试
    test_basic_search()
    test_with_sort()
    test_with_select()
    test_cited_count_sort()
    test_full_params()
    
    print("\n" + "=" * 60)
    print("调试完成")