#!/usr/bin/env python3
"""后端 API 单元测试"""

import sys
import os
import json
import time
from pathlib import Path

BASE_URL = "http://localhost:8001"

try:
    import requests
except ImportError:
    os.system("pip install requests -q")
    import requests

def get_token():
    resp = requests.post(f"{BASE_URL}/api/auth/login", json={"username": "admin", "password": "admin123"})
    if resp.status_code == 200:
        return resp.json()["token"]
    return None

def headers(token):
    return {"Authorization": f"Bearer {token}", "Content-Type": "application/json"}

def test(name, fn):
    print(f"\n🔹 {name}")
    try:
        fn()
        print(f"   ✅ PASS")
        return True
    except AssertionError as e:
        print(f"   ❌ FAIL: {e}")
        return False
    except Exception as e:
        print(f"   ❌ ERROR: {e}")
        return False

class TestMetricsAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        r = requests.get(f"{BASE_URL}/api/metrics/dashboard", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        data = r.json()
        assert "total_topics" in data
        print(f"   - 选题总数: {data.get('total_topics', 0)}")
        return True

class TestAssetsAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        r = requests.get(f"{BASE_URL}/api/assets", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        print(f"   - 素材列表获取成功")
        
        r = requests.get(f"{BASE_URL}/api/assets/tags", headers=headers(self.token))
        assert r.status_code == 200
        print(f"   - 标签列表获取成功")
        
        r = requests.get(f"{BASE_URL}/api/assets/counts", headers=headers(self.token))
        assert r.status_code == 200
        print(f"   - 素材统计获取成功")
        return True

class TestTasksAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        r = requests.get(f"{BASE_URL}/api/tasks", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        print(f"   - 任务列表获取成功")
        
        r = requests.get(f"{BASE_URL}/api/tasks/active", headers=headers(self.token))
        assert r.status_code == 200
        print(f"   - 活跃任务获取成功")
        return True

class TestPlatformConfigAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        r = requests.get(f"{BASE_URL}/api/platform-config", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        data = r.json()
        print(f"   - 平台配置列表: {len(data)} 个平台")
        return True

class TestTopicConfigAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        r = requests.get(f"{BASE_URL}/api/topic-config/fields", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        data = r.json()
        print(f"   - 领域配置: {len(data)} 个")
        return True

class TestCalendarAPI:
    def __init__(self, token):
        self.token = token
    
    def run(self):
        now = time.localtime()
        year, month = now.tm_year, now.tm_mon
        r = requests.get(f"{BASE_URL}/api/calendar?year={year}&month={month}", headers=headers(self.token))
        assert r.status_code == 200, f"Expected 200, got {r.status_code}"
        print(f"   - 内容日历获取成功")
        return True

def main():
    print("=" * 60)
    print("宇之然平台 - 后端 API 单元测试")
    print("=" * 60)
    
    token = get_token()
    if not token:
        print("\n❌ 登录失败，无法获取 token")
        return 1
    
    print(f"\n🔑 登录成功")
    
    results = []
    results.append(test("数据分析 API", TestMetricsAPI(token).run))
    results.append(test("素材库 API", TestAssetsAPI(token).run))
    results.append(test("创作任务 API", TestTasksAPI(token).run))
    results.append(test("平台配置 API", TestPlatformConfigAPI(token).run))
    results.append(test("选题配置 API", TestTopicConfigAPI(token).run))
    results.append(test("内容日历 API", TestCalendarAPI(token).run))
    
    passed = sum(results)
    total = len(results)
    print("\n" + "=" * 60)
    print(f"测试结果: {passed}/{total} 通过")
    print("=" * 60)
    return 0 if passed == total else 1

if __name__ == "__main__":
    sys.exit(main())