import requests
import json
import time

# API基础URL
EDUCATION_DATA_BASE_URL = "http://localhost:8100/EducationData"

# 测试年份
test_years = [2023, 2022, 2024]


def test_population_data_by_year():
    """测试获取指定年份人口数据接口"""
    print("\n===== 测试 /EducationData/populationByYear 接口 =====")
    
    # 测试不同年份的数据
    for year in test_years:
        url = f"{EDUCATION_DATA_BASE_URL}/populationByYear?year={year}"
        print(f"\n测试 {year} 年人口数据:")
        
        try:
            response = requests.get(url)
            response.raise_for_status()  # 如果状态码不是200，抛出异常
            
            data = response.json()
            print(f"响应状态码: {response.status_code}")
            print(f"响应数据: {json.dumps(data, ensure_ascii=False, indent=2)}")
            
            # 验证返回数据的基本结构
            assert "code" in data, "返回数据缺少code字段"
            assert "message" in data, "返回数据缺少message字段"
            assert "data" in data, "返回数据缺少data字段"
            assert data["code"] == 200, f"状态码不匹配，期望: 200，实际: {data['code']}"
            
            # 验证数据内容
            if data["data"]:
                # 检查数据项的结构
                population_data = data["data"]
                assert "year" in population_data, "数据缺少year字段"
                assert "total_population" in population_data, "数据缺少total_population字段"
                assert "birth_population" in population_data, "数据缺少birth_population字段"
                assert "urban_population" in population_data, "数据缺少urban_population字段"
                assert "rural_population" in population_data, "数据缺少rural_population字段"
                assert "urbanization_rate" in population_data, "数据缺少urbanization_rate字段"
                
                # 检查数值类型
                assert isinstance(population_data["year"], int), "year应为整数类型"
                assert isinstance(population_data["total_population"], (int, float)), "total_population应为数值类型"
                assert isinstance(population_data["birth_population"], (int, float)), "birth_population应为数值类型"
                assert isinstance(population_data["urban_population"], (int, float)), "urban_population应为数值类型"
                assert isinstance(population_data["rural_population"], (int, float)), "rural_population应为数值类型"
                assert isinstance(population_data["urbanization_rate"], (int, float)), "urbanization_rate应为数值类型"
                
                # 检查年份是否匹配
                assert population_data["year"] == year, f"年份不匹配，期望: {year}，实际: {population_data['year']}"
                
                print(f"✅ {year} 年人口数据验证通过")
            else:
                print(f"⚠️ {year} 年未返回人口数据")
                
        except requests.exceptions.RequestException as e:
            print(f"❌ 请求失败: {e}")
        except AssertionError as e:
            print(f"❌ 数据验证失败: {e}")
        
        # 添加短暂延迟，避免请求过于频繁
        time.sleep(0.5)
    
    # 测试边界值
    print("\n===== 测试边界值 =====")
    
    # 测试最小值年份
    min_year = 2015
    url = f"{EDUCATION_DATA_BASE_URL}/populationByYear?year={min_year}"
    print(f"\n测试最小值年份 {min_year}:")
    try:
        response = requests.get(url)
        response.raise_for_status()
        data = response.json()
        print(f"响应状态码: {response.status_code}")
        if data["code"] == 200 or data["code"] == 404:
            print(f"✅ 最小值年份测试通过")
        else:
            print(f"❌ 状态码异常: {data['code']}")
    except requests.exceptions.RequestException as e:
        print(f"❌ 请求失败: {e}")
    
    # 测试最大值年份
    max_year = 2028
    url = f"{EDUCATION_DATA_BASE_URL}/populationByYear?year={max_year}"
    print(f"\n测试最大值年份 {max_year}:")
    try:
        response = requests.get(url)
        response.raise_for_status()
        data = response.json()
        print(f"响应状态码: {response.status_code}")
        if data["code"] == 200 or data["code"] == 404:
            print(f"✅ 最大值年份测试通过")
        else:
            print(f"❌ 状态码异常: {data['code']}")
    except requests.exceptions.RequestException as e:
        print(f"❌ 请求失败: {e}")
    
    # 测试超出范围的年份
    invalid_year = 2030
    url = f"{EDUCATION_DATA_BASE_URL}/populationByYear?year={invalid_year}"
    print(f"\n测试超出范围的年份 {invalid_year}:")
    try:
        response = requests.get(url)
        if response.status_code == 422:  # FastAPI的验证错误状态码
            print(f"响应状态码: {response.status_code}")
            print(f"✅ 超出范围年份正确返回验证错误")
        else:
            data = response.json()
            print(f"响应状态码: {response.status_code}")
            print(f"响应数据: {json.dumps(data, ensure_ascii=False, indent=2)}")
            print(f"❌ 期望状态码422，实际: {response.status_code}")
    except requests.exceptions.RequestException as e:
        print(f"❌ 请求失败: {e}")


if __name__ == "__main__":
    # 测试新添加的人口数据接口
    test_population_data_by_year()