import pytest
import requests
from datetime import datetime
import json

# 测试配置
class TestConfig:
    BASE_URL = "http://localhost:5000/api/v1"
    TEST_TOKEN = "test_token_123"  # 测试用token
    HEADERS = {
        "Authorization": f"Bearer {TEST_TOKEN}",
        "Content-Type": "application/json"
    }

# 测试夹具
@pytest.fixture
def api_client():
    class APIClient:
        def __init__(self):
            self.base_url = TestConfig.BASE_URL
            self.headers = TestConfig.HEADERS

        def get(self, endpoint, params=None):
            url = f"{self.base_url}{endpoint}"
            return requests.get(url, headers=self.headers, params=params)

        def post(self, endpoint, data):
            url = f"{self.base_url}{endpoint}"
            return requests.post(url, headers=self.headers, json=data)

        def put(self, endpoint, data):
            url = f"{self.base_url}{endpoint}"
            return requests.put(url, headers=self.headers, json=data)

        def delete(self, endpoint):
            url = f"{self.base_url}{endpoint}"
            return requests.delete(url, headers=self.headers)

    return APIClient()

# 模板管理接口测试
class TestTemplateAPI:
    def test_get_template_list(self, api_client):
        """测试获取模板列表"""
        response = api_client.get("/templates")
        assert response.status_code == 200
        data = response.json()
        assert "data" in data
        assert "templates" in data["data"]

    def test_get_template_with_filters(self, api_client):
        """测试带过滤条件的模板列表"""
        params = {
            "category": "软件开发",
            "industry": "互联网",
            "page": 1,
            "size": 10
        }
        response = api_client.get("/templates", params=params)
        assert response.status_code == 200
        data = response.json()
        assert "current_page" in data["data"]
        assert data["data"]["current_page"] == 1

    def test_create_template(self, api_client):
        """测试创建模板"""
        template_data = {
            "name": "测试模板",
            "description": "这是一个测试模板",
            "category": "软件开发",
            "industry": "互联网",
            "profession": "开发工程师",
            "sub_category": "后端开发",
            "system_prompt": "你是一个专业的后端开发工程师..."
        }
        response = api_client.post("/templates", template_data)
        assert response.status_code == 200
        data = response.json()
        assert "id" in data["data"]
        return data["data"]["id"]

    def test_get_template_detail(self, api_client):
        """测试获取单个模板详情"""
        # 先创建一个模板
        template_id = self.test_create_template(api_client)
        response = api_client.get(f"/templates/{template_id}")
        assert response.status_code == 200
        data = response.json()
        assert data["data"]["name"] == "测试模板"

    def test_update_template(self, api_client):
        """测试更新模板"""
        # 先创建一个模板
        template_id = self.test_create_template(api_client)
        update_data = {
            "name": "更新后的模板",
            "description": "这是更新后的描述"
        }
        response = api_client.put(f"/templates/{template_id}", update_data)
        assert response.status_code == 200
        
        # 验证更新结果
        response = api_client.get(f"/templates/{template_id}")
        assert response.json()["data"]["name"] == "更新后的模板"

    def test_delete_template(self, api_client):
        """测试删除模板"""
        # 先创建一个模板
        template_id = self.test_create_template(api_client)
        response = api_client.delete(f"/templates/{template_id}")
        assert response.status_code == 200
        
        # 验证删除结果
        response = api_client.get(f"/templates/{template_id}")
        assert response.status_code == 404

# 分类管理接口测试
class TestCategoryAPI:
    def test_get_categories(self, api_client):
        """测试获取分类列表"""
        response = api_client.get("/categories")
        assert response.status_code == 200
        data = response.json()
        assert "categories" in data["data"]

    def test_create_category(self, api_client):
        """测试创建分类"""
        category_data = {
            "name": "测试分类",
            "icon": "test-icon",
            "description": "这是一个测试分类"
        }
        response = api_client.post("/categories", category_data)
        assert response.status_code == 200

# 搜索接口测试
class TestSearchAPI:
    def test_search_templates(self, api_client):
        """测试搜索模板"""
        params = {
            "keyword": "开发",
            "category": "软件开发"
        }
        response = api_client.get("/search/templates", params=params)
        assert response.status_code == 200
        data = response.json()
        assert "results" in data["data"]

# 统计接口测试
class TestStatisticsAPI:
    def test_get_template_statistics(self, api_client):
        """测试获取模板统计信息"""
        response = api_client.get("/statistics/templates")
        assert response.status_code == 200
        data = response.json()
        assert "total_templates" in data["data"]
        assert "category_distribution" in data["data"]

# 错误处理测试
class TestErrorHandling:
    def test_invalid_token(self, api_client):
        """测试无效token"""
        api_client.headers["Authorization"] = "Bearer invalid_token"
        response = api_client.get("/templates")
        assert response.status_code == 401

    def test_invalid_request(self, api_client):
        """测试无效请求"""
        invalid_data = {
            "name": ""  # 空名称，应该触发验证错误
        }
        response = api_client.post("/templates", invalid_data)
        assert response.status_code == 400