"""Tests for API endpoints using FastAPI TestClient.

This module tests all FastAPI endpoints including:
- Health check endpoints
- Wix webhook endpoints
- AlpineBits server endpoint
- XML upload endpoint
- Authentication
- Rate limiting
"""

import base64
import gzip
import json
import uuid
from pathlib import Path
from unittest.mock import patch

import pytest
import pytest_asyncio
from alembic import command
from alembic.config import Config
from fastapi.testclient import TestClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from alpine_bits_python.api import app
from alpine_bits_python.const import HttpStatusCode
from alpine_bits_python.db import Base, Customer, Reservation


def run_alembic_migrations(connection):
    """Run Alembic migrations on a SQLAlchemy connection.

    This is used in tests to set up the database schema using migrations
    instead of Base.metadata.create_all().
    """
    # Get path to alembic.ini
    project_root = Path(__file__).parent.parent
    alembic_ini_path = project_root / "alembic.ini"

    # Create Alembic config
    alembic_cfg = Config(str(alembic_ini_path))

    # Override the database URL to use the test connection
    # For SQLite, we can't use the in-memory connection URL directly,
    # so we'll use Base.metadata.create_all() for SQLite tests
    # This is a limitation of Alembic with SQLite in-memory databases
    Base.metadata.create_all(bind=connection)


@pytest_asyncio.fixture
async def test_db_engine():
    """Create an in-memory SQLite database for testing."""
    engine = create_async_engine(
        "sqlite+aiosqlite:///:memory:",
        echo=False,
    )

    # Create tables using Base.metadata.create_all for SQLite tests
    # (Alembic doesn't work well with SQLite in-memory databases)
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)

    yield engine

    # Cleanup
    await engine.dispose()


@pytest_asyncio.fixture
async def test_db_session(test_db_engine):
    """Create a test database session."""
    async_session = async_sessionmaker(
        test_db_engine,
        class_=AsyncSession,
        expire_on_commit=False,
    )

    async with async_session() as session:
        yield session


@pytest.fixture
def test_config():
    """Test configuration."""
    return {
        "server": {
            "codecontext": "ADVERTISING",
            "code": "70597314",
            "companyname": "99tales Gmbh",
            "res_id_source_context": "99tales",
        },
        "alpine_bits_auth": [
            {
                "hotel_id": "HOTEL123",
                "hotel_name": "Test Hotel",
                "username": "testuser",
                "password": "testpass",
            },
            {
                "hotel_id": "135",
                "hotel_name": "Another Hotel",
                "username": "anotheruser",
                "password": "anotherpass",
            }
        ],
        "default_hotel_code": "HOTEL123",
        "default_hotel_name": "Test Hotel",
        "database": {"url": "sqlite+aiosqlite:///:memory:"},
    }


@pytest.fixture
def client(test_config):
    """Create a test client with mocked dependencies.

    Each test gets a fresh TestClient instance to avoid database conflicts.
    Mocks load_config to return test_config instead of production config.
    """
    import asyncio  # noqa: PLC0415

    # Import locally to avoid circular imports
    from alpine_bits_python.alpinebits_server import AlpineBitsServer  # noqa: PLC0415

    # Create a new in-memory database for each test
    engine = create_async_engine(
        "sqlite+aiosqlite:///:memory:",
        echo=False,
    )

    # Create tables before TestClient starts (which triggers lifespan)
    # This ensures tables exist when run_startup_tasks() runs
    async def create_tables():
        async with engine.begin() as conn:
            await conn.run_sync(Base.metadata.create_all)

    asyncio.run(create_tables())

    # Mock both load_config and create_database_engine
    # This ensures the lifespan uses our test database instead of creating a new one
    with patch("alpine_bits_python.api.load_config", return_value=test_config), \
         patch("alpine_bits_python.api.create_database_engine", return_value=engine):
        # Setup app state (will be overridden by lifespan but we set it anyway)
        app.state.engine = engine
        app.state.async_sessionmaker = async_sessionmaker(
            engine, expire_on_commit=False
        )
        app.state.config = test_config
        app.state.alpine_bits_server = AlpineBitsServer(test_config)

        # TestClient will trigger lifespan events
        # The mocked load_config will ensure test_config is used
        # The mocked create_database_engine will ensure our test database is used
        with TestClient(app) as test_client:
            yield test_client


@pytest.fixture
def sample_wix_form_data():
    """Sample Wix form submission data.

    Each call generates unique IDs to avoid database conflicts.
    """
    unique_id = uuid.uuid4().hex[:8]
    return {
        "data": {
            "submissionId": f"test-submission-{unique_id}",
            "submissionTime": "2025-10-07T05:48:41.855Z",
            "contact": {
                "name": {"first": "John", "last": "Doe"},
                "email": f"john.doe.{unique_id}@example.com",
                "phones": [{"e164Phone": "+1234567890"}],
                "locale": "en-US",
                "contactId": f"contact-{unique_id}",
            },
            "field:anrede": "Mr.",
            "field:form_field_5a7b": True,
            "field:date_picker_a7c8": "2024-12-25",
            "field:date_picker_7e65": "2024-12-31",
            "field:number_7cf5": "2",
            "field:anzahl_kinder": "1",
            "field:alter_kind_1": "8",
            "field:angebot_auswaehlen": "Christmas Special",
            "field:utm_source": "google",
            "field:utm_medium": "cpc",
            "field:utm_campaign": "winter2024",
            "field:fbclid": "test_fbclid_123",
            "field:long_answer_3524": "Late check-in please",
        }
    }


@pytest.fixture
def basic_auth_headers():
    """Create Basic Auth headers for testing."""
    credentials = base64.b64encode(b"testuser:testpass").decode("utf-8")
    return {"Authorization": f"Basic {credentials}"}


class TestHealthEndpoints:
    """Test health check and root endpoints."""

    def test_root_endpoint(self, client):
        """Test GET / returns health status."""
        response = client.get("/api/")
        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["message"] == "Wix Form Handler API is running"
        assert "timestamp" in data
        assert data["status"] == "healthy"
        assert "rate_limits" in data

    def test_health_check_endpoint(self, client):
        """Test GET /api/health returns healthy status."""
        response = client.get("/api/health")
        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "healthy"
        assert data["service"] == "wix-form-handler"
        assert data["version"] == "1.0.0"
        assert "timestamp" in data

    def test_landing_page(self, client):
        """Test GET / (landing page) returns HTML."""
        response = client.get("/")
        assert response.status_code == HttpStatusCode.OK
        assert "text/html" in response.headers["content-type"]
        assert "99tales" in response.text or "Construction" in response.text


class TestWixWebhookEndpoint:
    """Test Wix form webhook endpoint."""

    def test_wix_webhook_success(self, client, sample_wix_form_data):
        """Test successful Wix form submission."""
        response = client.post("/api/webhook/wix-form", json=sample_wix_form_data)

        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "success"
        assert "timestamp" in data

    def test_wix_webhook_creates_customer_and_reservation(
        self, client, sample_wix_form_data
    ):
        """Test that webhook creates customer and reservation in database."""
        response = client.post("/api/webhook/wix-form", json=sample_wix_form_data)
        assert response.status_code == HttpStatusCode.OK

        # Verify data was saved to database
        # Use the client's app state engine, not a separate test_db_engine
        async def check_db():
            engine = client.app.state.engine
            async_session = async_sessionmaker(engine, expire_on_commit=False)
            async with async_session() as session:
                from sqlalchemy import select

                # Check customer was created
                result = await session.execute(select(Customer))
                customers = result.scalars().all()
                assert len(customers) == 1
                customer = customers[0]
                assert customer.given_name == "John"
                assert customer.surname == "Doe"
                # Email address in sample_wix_form_data has unique ID appended
                assert customer.email_address.startswith("john.doe.")
                assert "@example.com" in customer.email_address

                # Check reservation was created
                result = await session.execute(select(Reservation))
                reservations = result.scalars().all()
                assert len(reservations) == 1
                reservation = reservations[0]
                assert reservation.customer_id == customer.id
                assert reservation.num_adults == 2
                assert reservation.num_children == 1

        import asyncio

        asyncio.run(check_db())

    def test_wix_webhook_minimal_data(self, client):
        """Test webhook with minimal required data."""
        minimal_data = {
            "data": {
                "submissionId": "minimal-123",
                "submissionTime": "2025-01-10T12:00:00.000Z",
                "contact": {
                    "name": {"first": "Jane", "last": "Smith"},
                    "email": "jane@example.com",
                },
                "field:date_picker_a7c8": "2025-01-15",
                "field:date_picker_7e65": "2025-01-20",
            }
        }

        response = client.post("/api/webhook/wix-form", json=minimal_data)
        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "success"

    def test_wix_webhook_test_endpoint(self, client, sample_wix_form_data):
        """Test the test endpoint works identically."""
        response = client.post("/api/webhook/wix-form", json=sample_wix_form_data)
        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "success"

    @pytest.mark.parametrize(
        "test_form_file",
        [
            Path(__file__).parent / "test_data" / f"test_form{i}.json"
            for i in range(1, 6)
        ],
        ids=lambda p: p.name,
    )
    def test_wix_webhook_test_endpoint_with_test_forms(self, client, test_form_file):
        """Test the test endpoint works with all test form data files."""
        # Skip if file doesn't exist
        if not test_form_file.exists():
            pytest.skip(f"{test_form_file.name} not found")

        # Load test form data
        with test_form_file.open() as f:
            form_data = json.load(f)

        response = client.post("/api/webhook/wix-form", json=form_data)
        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "success"

    def test_wix_webhook_updates_existing_customer(self, client):
        """Test that same contact_id updates customer instead of duplicate."""
        # First submission
        first_submission = {
            "data": {
                "submissionId": "test-submission-001",
                "submissionTime": "2025-10-07T05:48:41.855Z",
                "contact": {
                    "name": {"first": "John", "last": "Doe"},
                    "email": "john.doe@example.com",
                    "phones": [{"e164Phone": "+1234567890"}],
                    "locale": "en-US",
                    "contactId": "fixed-contact-id-123",
                },
                "field:anrede": "Mr.",
                "field:date_picker_a7c8": "2024-12-25",
                "field:date_picker_7e65": "2024-12-31",
                "field:number_7cf5": "2",
                "field:anzahl_kinder": "0",
            }
        }

        response = client.post("/api/webhook/wix-form", json=first_submission)
        assert response.status_code == HttpStatusCode.OK

        # Second submission with same contact_id but different data
        second_submission = {
            "data": {
                "submissionId": "test-submission-002",
                "submissionTime": "2025-10-08T10:30:00.000Z",
                "contact": {
                    "name": {"first": "John", "last": "Smith"},  # Changed last name
                    "email": "john.smith@example.com",  # Changed email
                    "phones": [{"e164Phone": "+9876543210"}],  # Changed phone
                    "locale": "de-DE",  # Changed locale
                    "contactId": "fixed-contact-id-123",  # Same contact_id
                },
                "field:anrede": "Dr.",  # Changed prefix
                "field:date_picker_a7c8": "2025-01-10",
                "field:date_picker_7e65": "2025-01-15",
                "field:number_7cf5": "4",
                "field:anzahl_kinder": "2",
                "field:alter_kind_1": "5",
                "field:alter_kind_2": "10",
            }
        }

        response = client.post("/api/webhook/wix-form", json=second_submission)
        assert response.status_code == HttpStatusCode.OK

        # Verify only one customer exists with updated information
        async def check_db():
            from sqlalchemy import select  # noqa: PLC0415

            engine = client.app.state.engine
            async_session = async_sessionmaker(engine, expire_on_commit=False)
            async with async_session() as session:
                # Check only one customer exists
                result = await session.execute(select(Customer))
                customers = result.scalars().all()
                assert len(customers) == 1, "Should have exactly one customer"

                customer = customers[0]
                # Verify customer was updated with new information
                assert customer.given_name == "John"
                assert customer.surname == "Smith", "Last name updated"
                assert customer.email_address == "john.smith@example.com", (
                    "Email updated"
                )
                assert customer.phone == "+9876543210", "Phone updated"
                assert customer.name_prefix == "Dr.", "Prefix updated"
                assert customer.language == "de", "Language updated"
                assert customer.contact_id == "fixed-contact-id-123"

                # Check both reservations were created
                result = await session.execute(select(Reservation))
                reservations = result.scalars().all()
                expected_reservations = 2
                assert len(reservations) == expected_reservations
                # Both reservations should be linked to the same customer
                assert all(r.customer_id == customer.id for r in reservations)

        import asyncio  # noqa: PLC0415

        asyncio.run(check_db())


class TestGenericWebhookEndpoint:
    """Test generic webhook endpoint."""

    def test_generic_webhook_success_with_real_data(self, client):
        """Test successful generic webhook submission with real form data."""
        unique_id = uuid.uuid4().hex[:8]
        test_data = {
            "hotel_data": {"hotelname": "Bemelmans", "hotelcode": "HOTEL123"},
            "form_data": {
                "sprache": "it",
                "anreise": "14.10.2025",
                "abreise": "15.10.2025",
                "erwachsene": "1",
                "kinder": "2",
                "alter": {"1": "2", "2": "4"},
                "anrede": "Herr",
                "name": "Armin",
                "nachname": "Wieser",
                "mail": f"test.{unique_id}@example.com",
                "tel": "+391234567890",
                "nachricht": "Test message",
            },
            "tracking_data": {
                "utm_source": "ig",
                "utm_medium": "Instagram_Stories",
                "utm_campaign": "Conversions_Apartment_Bemelmans_ITA",
                "utm_content": "Grafik_1_Apartments_Bemelmans",
                "utm_term": "Cold_Traffic_Conversions_Apartment_Bemelmans_ITA",
                "fbclid": "test_fbclid_123",
            },
            "timestamp": "2025-10-14T12:20:08+02:00",
        }

        response = client.post("/api/webhook/generic", json=test_data)

        assert response.status_code == HttpStatusCode.OK
        data = response.json()
        assert data["status"] == "success"
        assert "timestamp" in data
        assert (
            data["message"]
            == "Generic webhook data processed successfully"
        )

    def test_generic_webhook_creates_customer_and_reservation(self, client):
        """Test that webhook creates customer and reservation in database."""
        unique_id = uuid.uuid4().hex[:8]
        test_data = {
            "hotel_data": {"hotelname": "Test Hotel", "hotelcode": "HOTEL123"},
            "form_data": {
                "sprache": "de",
                "anreise": "25.12.2025",
                "abreise": "31.12.2025",
                "erwachsene": "2",
                "kinder": "1",
                "alter": {"1": "8"},
                "anrede": "Frau",
                "name": "Maria",
                "nachname": "Schmidt",
                "mail": f"maria.{unique_id}@example.com",
                "tel": "+491234567890",
                "nachricht": "Looking forward to our stay",
            },
            "tracking_data": {
                "utm_source": "google",
                "utm_medium": "cpc",
                "utm_campaign": "winter2025",
            },
            "timestamp": "2025-10-14T10:00:00Z",
        }

        response = client.post("/api/webhook/generic", json=test_data)
        assert response.status_code == HttpStatusCode.OK

        # Verify data was saved to database
        async def check_db():
            engine = client.app.state.engine
            async_session = async_sessionmaker(engine, expire_on_commit=False)
            async with async_session() as session:
                from sqlalchemy import select

                # Check customer was created
                result = await session.execute(select(Customer))
                customers = result.scalars().all()
                # Find the customer we just created
                customer = next(
                    (
                        c
                        for c in customers
                        if c.email_address == f"maria.{unique_id}@example.com"
                    ),
                    None,
                )
                assert customer is not None, "Customer should be created"
                assert customer.given_name == "Maria"
                assert customer.surname == "Schmidt"
                assert customer.phone == "+491234567890"
                assert customer.language == "de"
                assert customer.name_prefix == "Frau"

                # Check reservation was created
                result = await session.execute(select(Reservation))
                reservations = result.scalars().all()
                reservation = next(
                    (r for r in reservations if r.customer_id == customer.id), None
                )
                assert reservation is not None, "Reservation should be created"
                assert reservation.hotel_id == "HOTEL123"
                assert reservation.hotel_name == "Test Hotel"
                assert reservation.num_adults == 2
                assert reservation.num_children == 1
                # children_ages is stored as CSV string
                children_ages = [
                    int(age) for age in reservation.children_ages.split(",") if age
                ]
                assert len(children_ages) == 1
                assert children_ages[0] == 8
                assert reservation.utm_source == "google"
                assert reservation.utm_campaign == "winter2025"

        import asyncio

        asyncio.run(check_db())

    def test_generic_webhook_missing_dates(self, client):
        """Test webhook with missing required dates."""
        test_data = {
            "hotel_data": {"hotelname": "Test", "hotelcode": "HOTEL123"},
            "form_data": {
                "sprache": "de",
                "name": "John",
                "nachname": "Doe",
                "mail": "john@example.com",
                # Missing anreise and abreise
            },
            "tracking_data": {},
        }

        response = client.post("/api/webhook/generic", json=test_data)
        # HTTPException with 400 is raised, then caught and returns 500
        assert response.status_code in [400, 500]

    def test_generic_webhook_invalid_date_format(self, client):
        """Test webhook with invalid date format."""
        test_data = {
            "hotel_data": {"hotelname": "Test", "hotelcode": "HOTEL123"},
            "form_data": {
                "sprache": "en",
                "anreise": "2025-10-14",  # Wrong format, should be DD.MM.YYYY
                "abreise": "2025-10-15",
                "erwachsene": "2",
                "kinder": "0",
                "name": "Jane",
                "nachname": "Doe",
                "mail": "jane@example.com",
            },
            "tracking_data": {},
        }

        response = client.post("/api/webhook/generic", json=test_data)
        # HTTPException with 400 is raised, then caught and returns 500
        assert response.status_code in [400, 500]

    def test_generic_webhook_with_children_ages(self, client):
        """Test webhook properly handles children ages."""
        unique_id = uuid.uuid4().hex[:8]
        test_data = {
            "hotel_data": {"hotelname": "Family Hotel", "hotelcode": "HOTEL123"},
            "form_data": {
                "sprache": "it",
                "anreise": "01.08.2025",
                "abreise": "15.08.2025",
                "erwachsene": "2",
                "kinder": "3",
                "alter": {"1": "5", "2": "8", "3": "12"},
                "anrede": "--",  # Should be filtered out
                "name": "Paolo",
                "nachname": "Rossi",
                "mail": f"paolo.{unique_id}@example.com",
                "tel": "",  # Empty phone
                "nachricht": "",
            },
            "tracking_data": {"fbclid": "test_fb_123", "gclid": "test_gc_456"},
        }

        response = client.post("/api/webhook/generic", json=test_data)
        assert response.status_code == HttpStatusCode.OK

        # Verify children ages were stored correctly
        async def check_db():
            engine = client.app.state.engine
            async_session = async_sessionmaker(engine, expire_on_commit=False)
            async with async_session() as session:
                from sqlalchemy import select

                result = await session.execute(select(Reservation))
                reservations = result.scalars().all()
                reservation = next(
                    (r for r in reservations if r.hotel_id == "HOTEL123"), None
                )
                assert reservation is not None, "Reservation should be created"
                assert reservation.num_children == 3
                # children_ages is stored as CSV string
                children_ages = [
                    int(age) for age in reservation.children_ages.split(",") if age
                ]
                assert children_ages == [5, 8, 12]
                assert reservation.fbclid == "test_fb_123"
                assert reservation.gclid == "test_gc_456"

                # Check customer with empty phone and -- prefix
                result = await session.execute(select(Customer))
                customers = result.scalars().all()
                customer = next(
                    (
                        c
                        for c in customers
                        if c.email_address == f"paolo.{unique_id}@example.com"
                    ),
                    None,
                )
                assert customer is not None, "Customer should be created"
                assert customer.phone is None, "Empty phone should be None"
                assert customer.name_prefix is None, "Name prefix '--' should be filtered out"

        import asyncio

        asyncio.run(check_db())

    def test_generic_webhook_empty_payload(self, client):
        """Test generic webhook with empty payload."""
        response = client.post("/api/webhook/generic", json={})

        # Should fail gracefully with error logging (400 or 500)
        assert response.status_code in [400, 500]

    def test_generic_webhook_complex_nested_data(self, client):
        """Test generic webhook logs complex nested data structures."""
        complex_data = {
            "arrays": [1, 2, 3],
            "nested": {"level1": {"level2": {"level3": "deep"}}},
            "mixed": [{"a": 1}, {"b": 2}],
        }

        response = client.post("/api/webhook/generic", json=complex_data)

        # This should fail to process but succeed in logging (400 or 500)
        assert response.status_code in [400, 500]


class TestAlpineBitsServerEndpoint:
    """Test AlpineBits server endpoint."""

    def test_alpinebits_handshake_ping_success(self, client, basic_auth_headers):
        """Test AlpineBits handshake with OTA_Ping action using real test data."""
        # Use the actual test data file with proper AlpineBits handshake format
        with Path("tests/test_data/Handshake-OTA_PingRQ.xml").open(
            encoding="utf-8"
        ) as f:
            ping_xml = f.read()

        # Prepare multipart form data
        form_data = {"action": "OTA_Ping:Handshaking", "request": ping_xml}

        headers = {
            **basic_auth_headers,
            "X-AlpineBits-ClientProtocolVersion": "2024-10",
            "X-AlpineBits-ClientID": "TEST-CLIENT-001",
        }

        response = client.post(
            "/api/alpinebits/server-2024-10",
            data=form_data,
            headers=headers,
        )

        assert response.status_code == HttpStatusCode.OK
        assert "OTA_PingRS" in response.text
        assert "application/xml" in response.headers["content-type"]
        assert "X-AlpineBits-Server-Version" in response.headers

    def test_alpinebits_missing_auth(self, client):
        """Test AlpineBits endpoint without authentication."""
        form_data = {"action": "OTA_Ping:Handshaking", "request": "<xml/>"}

        response = client.post("/api/alpinebits/server-2024-10", data=form_data)

        assert response.status_code == HttpStatusCode.UNAUTHORIZED

    def test_alpinebits_invalid_credentials(self, client):
        """Test AlpineBits endpoint with invalid credentials."""
        credentials = base64.b64encode(b"wrong:credentials").decode("utf-8")
        headers = {"Authorization": f"Basic {credentials}"}

        form_data = {"action": "OTA_Ping:Handshaking", "request": "<xml/>"}

        response = client.post(
            "/api/alpinebits/server-2024-10", data=form_data, headers=headers
        )

        assert response.status_code == HttpStatusCode.UNAUTHORIZED

    def test_alpinebits_missing_action(self, client, basic_auth_headers):
        """Test AlpineBits endpoint without action parameter."""
        headers = {
            **basic_auth_headers,
            "X-AlpineBits-ClientProtocolVersion": "2024-10",
        }

        form_data = {"request": "<xml/>"}

        response = client.post(
            "/api/alpinebits/server-2024-10", data=form_data, headers=headers
        )

        assert response.status_code == 400

    def test_alpinebits_gzip_compression(self, client, basic_auth_headers):
        """Test AlpineBits endpoint with gzip compressed request."""
        # Use real test data
        with open("tests/test_data/Handshake-OTA_PingRQ.xml", encoding="utf-8") as f:
            ping_xml = f.read()

        form_data = f"action=OTA_Ping:Handshaking&request={ping_xml}"
        compressed_data = gzip.compress(form_data.encode("utf-8"))

        headers = {
            **basic_auth_headers,
            "X-AlpineBits-ClientProtocolVersion": "2024-10",
            "Content-Encoding": "gzip",
            "Content-Type": "application/x-www-form-urlencoded",
        }

        response = client.post(
            "/api/alpinebits/server-2024-10",
            content=compressed_data,
            headers=headers,
        )

        assert response.status_code == HttpStatusCode.OK
        assert "OTA_PingRS" in response.text


class TestXMLUploadEndpoint:
    """Test XML upload endpoint for conversions."""

    def test_xml_upload_success(self, client, basic_auth_headers):
        """Test successful XML upload."""
        xml_content = """<?xml version="1.0" encoding="UTF-8"?>
<OTA_HotelResNotifRQ xmlns="http://www.opentravel.org/OTA/2003/05">
    <HotelReservations>
        <HotelReservation>
            <UniqueID Type="14" ID="TEST-123"/>
        </HotelReservation>
    </HotelReservations>
</OTA_HotelResNotifRQ>"""

        response = client.put(
            "/api/hoteldata/conversions_import/test_reservation.xml",
            content=xml_content.encode("utf-8"),
            headers={**basic_auth_headers, "Content-Type": "application/xml"},
        )

        # Returns 202 Accepted since processing is now asynchronous
        assert response.status_code == 202
        assert "received and queued for processing" in response.text

    def test_xml_upload_gzip_compressed(self, client, basic_auth_headers):
        """Test XML upload with gzip compression."""
        xml_content = """<?xml version="1.0" encoding="UTF-8"?>
<OTA_HotelResNotifRQ xmlns="http://www.opentravel.org/OTA/2003/05">
    <HotelReservations/>
</OTA_HotelResNotifRQ>"""

        compressed = gzip.compress(xml_content.encode("utf-8"))

        headers = {
            **basic_auth_headers,
            "Content-Type": "application/xml",
            "Content-Encoding": "gzip",
        }

        response = client.put(
            "/api/hoteldata/conversions_import/compressed.xml",
            content=compressed,
            headers=headers,
        )

        # Returns 202 Accepted since processing is now asynchronous
        assert response.status_code == 202

    def test_xml_upload_missing_auth(self, client):
        """Test XML upload without authentication."""
        response = client.put(
            "/api/hoteldata/conversions_import/test.xml",
            content=b"<xml/>",
        )

        assert response.status_code == HttpStatusCode.UNAUTHORIZED

    def test_xml_upload_invalid_path(self, client, basic_auth_headers):
        """Test XML upload with path traversal attempt.

        Path traversal is blocked by the server, resulting in 404 Not Found.
        """
        response = client.put(
            "/api/hoteldata/conversions_import/../../../etc/passwd",
            content=b"<xml/>",
            headers=basic_auth_headers,
        )

        # Path traversal results in 404 as the normalized path doesn't match the route
        assert response.status_code == 404

    def test_xml_upload_empty_content(self, client, basic_auth_headers):
        """Test XML upload with empty content."""
        response = client.put(
            "/api/hoteldata/conversions_import/empty.xml",
            content=b"",
            headers=basic_auth_headers,
        )

        assert response.status_code == 400

    def test_xml_upload_non_xml_content(self, client, basic_auth_headers):
        """Test XML upload with non-XML content."""
        response = client.put(
            "/api/hoteldata/conversions_import/notxml.xml",
            content=b"This is not XML content",
            headers=basic_auth_headers,
        )

        assert response.status_code == 400


class TestAuthentication:
    """Test authentication and authorization."""

    def test_basic_auth_success(self, client):
        """Test successful basic authentication."""
        credentials = base64.b64encode(b"testuser:testpass").decode("utf-8")
        headers = {"Authorization": f"Basic {credentials}"}

        form_data = {"action": "OTA_Ping:Handshaking", "request": "<xml/>"}

        response = client.post(
            "/api/alpinebits/server-2024-10",
            data=form_data,
            headers={
                **headers,
                "X-AlpineBits-ClientProtocolVersion": "2024-10",
            },
        )

        # Should not be 401
        assert response.status_code != HttpStatusCode.UNAUTHORIZED

    def test_basic_auth_missing_credentials(self, client):
        """Test basic auth with missing credentials."""
        response = client.post(
            "/api/alpinebits/server-2024-10",
            data={"action": "OTA_Ping:Handshaking"},
        )

        assert response.status_code == HttpStatusCode.UNAUTHORIZED

    def test_basic_auth_malformed_header(self, client):
        """Test basic auth with malformed Authorization header."""
        headers = {"Authorization": "Basic malformed"}

        response = client.post(
            "/api/alpinebits/server-2024-10",
            data={"action": "OTA_Ping:Handshaking"},
            headers=headers,
        )

        # FastAPI should handle this gracefully
        assert response.status_code in [401, 422]


class TestEventDispatcher:
    """Test event dispatcher and push notifications."""

    def test_form_submission_triggers_event(self, client, sample_wix_form_data):
        """Test that form submission triggers event dispatcher."""
        # Just verify the endpoint works with the event dispatcher
        # The async task runs in background and doesn't affect response
        response = client.post("/api/webhook/wix-form", json=sample_wix_form_data)

        assert response.status_code == HttpStatusCode.OK
        # Event dispatcher is tested separately in its own test suite


class TestErrorHandling:
    """Test error handling across endpoints."""

    def test_wix_webhook_invalid_json(self, client):
        """Test webhook with invalid JSON."""
        response = client.post(
            "/api/webhook/wix-form",
            content=b"invalid json {{{",
            headers={"Content-Type": "application/json"},
        )

        assert response.status_code == 400

    def test_wix_webhook_missing_required_fields(self, client):
        """Test webhook with missing required fields."""
        invalid_data = {"data": {}}

        response = client.post("/api/webhook/wix-form", json=invalid_data)

        # Should handle gracefully - may be 500 or 400 depending on validation
        assert response.status_code in [400, 500]

    def test_alpinebits_invalid_xml(self, client, basic_auth_headers):
        """Test AlpineBits endpoint with invalid XML."""
        form_data = {
            "action": "OTA_Ping:Handshaking",
            "request": "<<invalid xml>>",
        }

        headers = {
            **basic_auth_headers,
            "X-AlpineBits-ClientProtocolVersion": "2024-10",
        }

        response = client.post(
            "/api/alpinebits/server-2024-10",
            data=form_data,
            headers=headers,
        )

        # Should return error response
        assert response.status_code in [400, 500]


class TestCORS:
    """Test CORS configuration."""

    def test_cors_preflight_request(self, client):
        """Test CORS preflight request."""
        response = client.options(
            "/api/health",
            headers={
                "Origin": "https://example.wix.com",
                "Access-Control-Request-Method": "POST",
            },
        )

        # TestClient returns 400 for OPTIONS requests
        # In production, CORS middleware handles preflight correctly
        assert response.status_code in [HttpStatusCode.OK, 400, 405]


class TestRateLimiting:
    """Test rate limiting (requires actual rate limiter to be active)."""

    def test_health_endpoint_rate_limit(self, client):
        """Test that health endpoint has rate limiting configured."""
        # Make multiple requests
        responses = []
        for _ in range(5):
            response = client.get("/api/health")
            responses.append(response.status_code)

        # All should succeed if under limit
        assert all(status == HttpStatusCode.OK for status in responses)


if __name__ == "__main__":
    pytest.main([__file__, "-v"])