"""Integration tests for channels wizard_router endpoints."""

from __future__ import annotations

import httpx
import pytest

from .conftest import BASE_URL, DEFAULT_CHANNEL_TYPE

pytestmark = [pytest.mark.asyncio, pytest.mark.integration]


def _make_validate_payload() -> dict:
    """Build a valid ValidateWizardRequest body (step_id 在路径参数中)."""
    return {
        "values": {"app_id": "pytest_app", "app_secret": "pytest_secret"},
    }


def _make_finalize_payload() -> dict:
    """Build a valid FinalizeWizardRequest body."""
    return {
        "patches": [
            {
                "step_id": "account_info",
                "values": {"app_id": "pytest_app", "app_secret": "pytest_secret"},
            }
        ]
    }


# =============================================================================
# === Auth three-tier for GET /wizard/steps ===
# =============================================================================


async def test_list_wizard_steps_requires_auth(test_client: httpx.AsyncClient):
    # Act
    response = await test_client.get(f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps")
    # Assert
    assert response.status_code == 401


async def test_list_wizard_steps_requires_admin(test_client: httpx.AsyncClient, standard_user):
    # Act
    response = await test_client.get(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps",
        headers=standard_user["headers"],
    )
    # Assert
    assert response.status_code == 403


async def test_admin_can_list_wizard_steps_returns_200_or_404_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Act
    response = await test_client.get(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps",
        headers=admin_headers,
    )
    # Assert — adapter not registered → 404 or 501, or 200 with steps
    assert response.status_code in (200, 404, 501), response.text


# =============================================================================
# === POST /wizard/steps/{step_id}/validate ===
# =============================================================================


async def test_wizard_validate_returns_200_or_404_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Arrange
    step_id = "account_info"
    body = _make_validate_payload()
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps/{step_id}/validate",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code in (200, 404, 501), response.text


async def test_wizard_validate_rejects_empty_step_id(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — step_id 路径参数为空字符串，FastAPI 路由匹配规则下
    # 可能不匹配（404）或匹配到空 step_id 后由下游校验拒绝（400/422）
    body = _make_validate_payload()
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps//validate",
        json=body,
        headers=admin_headers,
    )
    # Assert — 空路径段不被接受，返回 4xx 错误
    assert response.status_code in (400, 404, 422), response.text


# =============================================================================
# === POST /wizard/steps/{step_id}/apply ===
# =============================================================================


async def test_wizard_apply_returns_200_or_404_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Arrange
    step_id = "account_info"
    body = {"values": {"app_id": "pytest_app", "app_secret": "pytest_secret"}}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/steps/{step_id}/apply",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code in (200, 404, 501), response.text


# =============================================================================
# === POST /wizard/finalize ===
# =============================================================================


async def test_wizard_finalize_returns_200_or_404_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Arrange
    body = _make_finalize_payload()
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/finalize",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code in (200, 404, 501), response.text


async def test_wizard_finalize_rejects_empty_patches(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — patches min_length=1
    body = {"patches": []}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/finalize",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


# =============================================================================
# === POST /wizard/oauth/initiate ===
# =============================================================================


async def test_oauth_initiate_rejects_invalid_redirect_uri_scheme(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — redirect_uri 必须为 http/https，ftp 等非法 scheme 拒绝
    body = {"redirect_uri": "ftp://example.com/callback"}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth/initiate",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_oauth_initiate_with_valid_params_returns_404_or_501_or_400(
    test_client: httpx.AsyncClient, admin_headers
):
    # Arrange — valid redirect_uri but channel/adapter 未注册
    body = {"redirect_uri": "https://example.com/callback"}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth/initiate",
        json=body,
        headers=admin_headers,
    )
    # Assert — non-existent channel / adapter → 404, 501, or 400
    assert response.status_code in (400, 404, 501), response.text


# =============================================================================
# === POST /wizard/oauth-callback ===
# =============================================================================


async def test_oauth_callback_requires_code(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — code required (Pydantic min_length=1)
    body = {"state": "pytest_state", "redirect_uri": "https://example.com/callback"}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth-callback",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_oauth_callback_requires_state(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — state required (Pydantic min_length=1)
    body = {"code": "pytest_code", "redirect_uri": "https://example.com/callback"}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth-callback",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_oauth_callback_requires_redirect_uri(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — redirect_uri required
    body = {"code": "pytest_code", "state": "pytest_state"}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth-callback",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_oauth_callback_rejects_invalid_redirect_uri_scheme(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — redirect_uri 必须为 http/https，ftp 等非法 scheme 拒绝
    body = {
        "code": "pytest_code",
        "state": "pytest_state",
        "redirect_uri": "ftp://example.com/callback",
    }
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth-callback",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_oauth_callback_with_all_params_returns_404_or_501_or_400(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — all params present but channel not registered
    body = {
        "code": "pytest_code",
        "state": "pytest_state",
        "redirect_uri": "https://example.com/callback",
    }
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/wizard/oauth-callback",
        json=body,
        headers=admin_headers,
    )
    # Assert — non-existent channel / adapter → 404, 501, or 400
    assert response.status_code in (400, 404, 501), response.text


# =============================================================================
# === Invalid channel_type validation ===
# =============================================================================


async def test_wizard_unregistered_channel_type(test_client: httpx.AsyncClient, admin_headers):
    # Arrange — channel_type 为 str 子类无白名单,未注册插件返回 404
    unregistered_channel = "invalid_channel_type_xyz"
    # Act
    response = await test_client.get(
        f"{BASE_URL}/{unregistered_channel}/wizard/steps",
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 404, response.text