"""Integration tests for channels webhook_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]


# =============================================================================
# === POST /{channel_type}/webhook (NO AUTH) ===
# =============================================================================


async def test_webhook_does_not_require_auth(test_client: httpx.AsyncClient):
    # Arrange — no Authorization header; raw bytes body
    body = b'{"event_type": "test.event", "payload": {"test": true}}'
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook",
        content=body,
        headers={"Content-Type": "application/json"},
    )
    # Assert — 无鉴权要求；入站管道 ack → 200，nack → 500，适配器未注册 → 501
    assert response.status_code != 401
    assert response.status_code in (200, 500, 501), response.text


async def test_webhook_accepts_empty_body_without_auth_error(test_client: httpx.AsyncClient):
    # Arrange — empty body, no auth
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook",
        content=b"",
        headers={"Content-Type": "application/json"},
    )
    # Assert — empty body 被 ReceiveInboundCmd.__post_init__ 拒绝（ValidationError → 400），
    # 不返回 401（鉴权不适用于 webhook 入站端点）。
    assert response.status_code != 401
    assert response.status_code == 400, response.text


async def test_webhook_rejects_oversized_body(test_client: httpx.AsyncClient):
    # Arrange — body larger than 1 MiB
    body = b"x" * (1024 * 1024 + 1)
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook",
        content=body,
        headers={"Content-Type": "application/octet-stream"},
    )
    # Assert
    assert response.status_code == 400, response.text


# =============================================================================
# === POST /{channel_type}/webhook/signature/verify (NO AUTH) ===
# =============================================================================


async def test_verify_signature_does_not_require_auth(test_client: httpx.AsyncClient):
    # Arrange
    body = {"raw_event": "test-payload", "headers": {"X-Signature": "test-sig"}}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/signature/verify",
        json=body,
    )
    # Assert — no auth; adapter may not implement → 501, or 200 if implemented
    assert response.status_code != 401
    assert response.status_code in (200, 501), response.text


async def test_verify_signature_with_valid_body_returns_200_or_501(test_client: httpx.AsyncClient):
    # Arrange
    body = {
        "raw_event": '{"event_type": "test.event"}',
        "headers": {"X-Lark-Signature": "sha256=abc", "X-Lark-Request-Timestamp": "1234567890"},
    }
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/signature/verify",
        json=body,
    )
    # Assert
    assert response.status_code in (200, 501), response.text


async def test_verify_signature_rejects_empty_raw_event(test_client: httpx.AsyncClient):
    # Arrange — raw_event min_length=1
    body = {"raw_event": "", "headers": {}}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/signature/verify",
        json=body,
    )
    # Assert
    assert response.status_code == 422, response.text


# =============================================================================
# === POST /{channel_type}/webhook/test (admin) ===
# =============================================================================


async def test_webhook_test_requires_auth(test_client: httpx.AsyncClient):
    # Arrange
    body = {"event_type": "test_event", "payload": {"test": True}}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/test",
        json=body,
    )
    # Assert
    assert response.status_code == 401


async def test_webhook_test_requires_admin(test_client: httpx.AsyncClient, standard_user):
    # Arrange
    body = {"event_type": "test_event", "payload": {"test": True}}
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/test",
        json=body,
        headers=standard_user["headers"],
    )
    # Assert
    assert response.status_code == 403


async def test_admin_can_test_webhook_returns_200_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Arrange
    body = {
        "account_id": None,
        "event_type": "test_event",
        "payload": {"pytest": True},
    }
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/test",
        json=body,
        headers=admin_headers,
    )
    # Assert — adapter not registered → 501, or accepted → 200
    assert response.status_code in (200, 501), response.text


async def test_webhook_test_with_valid_body_returns_200_or_501(test_client: httpx.AsyncClient, admin_headers):
    # Arrange
    body = {
        "event_type": "test_event",
        "payload": {"msg": "hello"},
    }
    # Act
    response = await test_client.post(
        f"{BASE_URL}/{DEFAULT_CHANNEL_TYPE}/webhook/test",
        json=body,
        headers=admin_headers,
    )
    # Assert
    assert response.status_code in (200, 501), response.text


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


async def test_webhook_unregistered_channel_type(test_client: httpx.AsyncClient):
    # 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.post(
        f"{BASE_URL}/{unregistered_channel}/webhook",
        content=b"{}",
        headers={"Content-Type": "application/json"},
    )
    # Assert
    assert response.status_code == 404, response.text