import pytest
from fastapi import status
from account_manager import AccountManager

def test_create_account(client, mocker_fixture):
    """测试创建账户"""
    # 获取mock对象
    mock_create = AccountManager.create_account
    
    response = client.post("/api/accounts/", json={
        "username": "newuser",
        "email": "new@example.com",
        "password": "newpass123"
    })
    
    # 验证mock调用
    mock_create.assert_called_once_with("newuser", "new@example.com", "newpass123")
    assert response.status_code == status.HTTP_200_OK
    assert response.json()["user_id"] == "550e8400-e29b-41d4-a716-446655440000"

def test_get_account(client, auth_headers, mocker_fixture):
    """测试获取账户信息"""
    # 获取mock对象
    mock_get = AccountManager.get_user_by_username
    
    response = client.get("/api/accounts/testuser", headers=auth_headers)
    
    # 验证mock调用
    mock_get.assert_called_once_with("testuser")
    assert response.status_code == status.HTTP_200_OK
    assert response.json()["username"] == "testuser"

def test_change_password(client, auth_headers, mocker_fixture):
    """测试修改密码"""
    # 获取mock对象
    mock_update = AccountManager.update_password
    
    response = client.put("/api/accounts/password", json={
        "current_password": "testpass",
        "new_password": "newpassword123"
    }, headers=auth_headers)
    
    # 验证mock调用
    mock_update.assert_called_once()
    assert response.status_code == status.HTTP_200_OK
    assert response.json()["message"] == "密码修改成功"

def test_account_not_found(client, auth_headers, mocker_fixture):
    """测试账户不存在"""
    # 修改mock抛出404异常
    AccountManager.get_user_by_username.side_effect = Exception("404: 账户不存在")

    response = client.get("/api/accounts/nonexistent", headers=auth_headers)
    assert response.status_code == status.HTTP_404_NOT_FOUND