# ABOUTME: Integration tests for user defaults feature.
# ABOUTME: Verifies that form defaults are saved and loaded correctly.

import os
import time

import pytest
from starlette.testclient import TestClient

from animaltrack.events.payloads import FeedPurchasedPayload
from animaltrack.events.store import EventStore
from animaltrack.models.reference import UserDefault
from animaltrack.projections import ProjectionRegistry
from animaltrack.projections.feed import FeedInventoryProjection
from animaltrack.repositories.user_defaults import UserDefaultsRepository
from animaltrack.services.feed import FeedService


def make_test_settings(
    csrf_secret: str = "test-secret",
    trusted_proxy_ips: str = "127.0.0.1",
    dev_mode: bool = False,  # Disable dev_mode to test real auth
):
    """Create Settings for testing by setting env vars temporarily."""
    from animaltrack.config import Settings

    old_env = os.environ.copy()
    try:
        os.environ["CSRF_SECRET"] = csrf_secret
        os.environ["TRUSTED_PROXY_IPS"] = trusted_proxy_ips
        os.environ["DEV_MODE"] = str(dev_mode).lower()
        return Settings()
    finally:
        os.environ.clear()
        os.environ.update(old_env)


@pytest.fixture
def client(seeded_db):
    """Create a test client for the app with real auth enabled."""
    from animaltrack.web.app import create_app

    settings = make_test_settings(trusted_proxy_ips="testclient", dev_mode=False)
    app, rt = create_app(settings=settings, db=seeded_db)
    return TestClient(app, raise_server_exceptions=True)


@pytest.fixture
def location_strip1_id(seeded_db):
    """Get Strip 1 location ID from seeded data."""
    row = seeded_db.execute("SELECT id FROM locations WHERE name = 'Strip 1'").fetchone()
    return row[0]


@pytest.fixture
def location_strip2_id(seeded_db):
    """Get Strip 2 location ID from seeded data."""
    row = seeded_db.execute("SELECT id FROM locations WHERE name = 'Strip 2'").fetchone()
    return row[0]


@pytest.fixture
def feed_purchase_in_db(seeded_db):
    """Create a feed purchase so give_feed can work."""
    event_store = EventStore(seeded_db)
    registry = ProjectionRegistry()
    registry.register(FeedInventoryProjection(seeded_db))
    feed_service = FeedService(seeded_db, event_store, registry)

    payload = FeedPurchasedPayload(
        feed_type_code="layer",
        bag_size_kg=20,
        bags_count=5,
        bag_price_cents=2400,
    )
    ts_utc = int(time.time() * 1000) - 86400000
    feed_service.purchase_feed(payload, ts_utc, "ppetru")
    return payload


def make_csrf_headers(csrf_token: str = "test-csrf-token"):
    """Make headers with CSRF token for POST requests."""
    return {
        "X-CSRF-Token": csrf_token,
        "Origin": "http://testserver",  # Match TestClient's default host
    }


class TestFeedUserDefaults:
    """Tests for feed form user defaults."""

    def test_defaults_saved_on_successful_give(
        self, client, seeded_db, location_strip1_id, feed_purchase_in_db
    ):
        """Successful feed-given saves user defaults."""
        csrf_token = "test-csrf-token"
        response = client.post(
            "/actions/feed-given",
            data={
                "location_id": location_strip1_id,
                "feed_type_code": "layer",
                "amount_kg": "15",
            },
            headers={
                "X-Oidc-Username": "ppetru",
                **make_csrf_headers(csrf_token),
            },
            cookies={"csrf_token": csrf_token},
        )
        assert response.status_code == 200

        # Verify defaults were saved
        defaults = UserDefaultsRepository(seeded_db).get("ppetru", "feed_given")
        assert defaults is not None
        assert defaults.location_id == location_strip1_id
        assert defaults.feed_type_code == "layer"
        assert defaults.amount_kg == 15

    def test_defaults_loaded_on_feed_page(self, client, seeded_db, location_strip1_id):
        """GET /feed loads saved user defaults."""
        # First set some defaults
        now_utc = int(time.time() * 1000)
        UserDefaultsRepository(seeded_db).upsert(
            UserDefault(
                username="ppetru",
                action="feed_given",
                location_id=location_strip1_id,
                feed_type_code="grower",
                amount_kg=25,
                updated_at_utc=now_utc,
            )
        )

        # Load the feed page
        response = client.get(
            "/feed",
            headers={"X-Oidc-Username": "ppetru"},
        )
        assert response.status_code == 200

        # Check that the form has pre-selected values
        content = response.text
        assert f'value="{location_strip1_id}"' in content or "selected" in content
        assert "grower" in content

    def test_no_defaults_for_unknown_user(
        self, client, seeded_db, location_strip1_id, feed_purchase_in_db
    ):
        """Unknown users are rejected by auth middleware."""
        csrf_token = "test-csrf-token"
        response = client.post(
            "/actions/feed-given",
            data={
                "location_id": location_strip1_id,
                "feed_type_code": "layer",
                "amount_kg": "10",
            },
            headers={
                "X-Oidc-Username": "unknown_user",
                **make_csrf_headers(csrf_token),
            },
            cookies={"csrf_token": csrf_token},
        )
        # Unknown user is rejected by auth middleware
        assert response.status_code == 401

        # Verify no defaults were saved
        defaults = UserDefaultsRepository(seeded_db).get("unknown_user", "feed_given")
        assert defaults is None


class TestEggUserDefaults:
    """Tests for egg form user defaults."""

    def test_defaults_loaded_on_egg_page(self, client, seeded_db, location_strip1_id):
        """GET / loads saved user defaults for egg collection."""
        # First set some defaults
        now_utc = int(time.time() * 1000)
        UserDefaultsRepository(seeded_db).upsert(
            UserDefault(
                username="ppetru",
                action="collect_egg",
                location_id=location_strip1_id,
                updated_at_utc=now_utc,
            )
        )

        # Load the egg page
        response = client.get(
            "/",
            headers={"X-Oidc-Username": "ppetru"},
        )
        assert response.status_code == 200

        # Check that the form has pre-selected location
        content = response.text
        assert location_strip1_id in content

    def test_query_param_overrides_defaults(
        self, client, seeded_db, location_strip1_id, location_strip2_id
    ):
        """Query param location_id overrides saved defaults."""
        # Set defaults to Strip 1
        now_utc = int(time.time() * 1000)
        UserDefaultsRepository(seeded_db).upsert(
            UserDefault(
                username="ppetru",
                action="collect_egg",
                location_id=location_strip1_id,
                updated_at_utc=now_utc,
            )
        )

        # Load the egg page with Strip 2 in query params
        response = client.get(
            f"/?location_id={location_strip2_id}",
            headers={"X-Oidc-Username": "ppetru"},
        )
        assert response.status_code == 200

        # Query param should take precedence - Strip 2 should be selected
        content = response.text
        assert location_strip2_id in content