from __future__ import annotations

from types import SimpleNamespace
import unittest

from sqlalchemy import create_engine
from sqlalchemy.orm import Session

from govoplan_access.backend.db.models import Account, Group, User
from govoplan_campaign.backend.db.models import Campaign, CampaignShare
from govoplan_campaign.backend.search_source import (
    CampaignSearchSource,
    PROVIDER_ID,
    RESOURCE_TYPE,
)
from govoplan_core.auth import ApiPrincipal
from govoplan_core.core.access import PrincipalRef
from govoplan_core.core.search import (
    SearchAuthorizationRequest,
    SearchBackfillRequest,
    SearchResourceReference,
)
from govoplan_core.core.change_sequence import ChangeSequenceEntry
from govoplan_core.db.base import Base


class CampaignSearchSourceTests(unittest.TestCase):
    def setUp(self) -> None:
        self.engine = create_engine("sqlite://")
        Base.metadata.create_all(
            self.engine,
            tables=(
                Account.__table__,
                User.__table__,
                Group.__table__,
                Campaign.__table__,
                CampaignShare.__table__,
                ChangeSequenceEntry.__table__,
            ),
        )
        self.session = Session(self.engine)
        self.session.add_all(
            (
                Account(
                    id="account-1",
                    email="one@example.test",
                    normalized_email="one@example.test",
                ),
                User(
                    id="user-1",
                    tenant_id="tenant-1",
                    account_id="account-1",
                    email="one@example.test",
                ),
                Campaign(
                    id="campaign-1",
                    tenant_id="tenant-1",
                    owner_user_id="user-1",
                    external_id="monthly-letters",
                    name="Monthly letters",
                ),
                Campaign(
                    id="campaign-other",
                    tenant_id="tenant-2",
                    external_id="other",
                    name="Other tenant",
                ),
            )
        )
        self.session.commit()
        self.source = CampaignSearchSource()

    def tearDown(self) -> None:
        self.session.close()
        self.engine.dispose()

    def test_backfill_and_live_acl_recheck_do_not_cross_tenants(self) -> None:
        page = self.source.backfill(
            self.session,
            request=SearchBackfillRequest(
                tenant_id="tenant-1",
                provider_id=PROVIDER_ID,
                resource_type=RESOURCE_TYPE,
                rebuild_id="rebuild-1",
            ),
        )
        self.assertEqual(("campaign-1",), tuple(doc.resource_id for doc in page.documents))
        reference = SearchResourceReference(
            tenant_id="tenant-1",
            module_id="campaigns",
            resource_type=RESOURCE_TYPE,
            resource_id="campaign-1",
        )
        request = SearchAuthorizationRequest(reference=reference, source_revision="1")
        self.assertTrue(
            self.source.authorize(
                self.session,
                _principal({"campaigns:campaign:read"}),
                requests=(request,),
            )[reference.key]
        )
        self.assertFalse(
            self.source.authorize(
                self.session,
                _principal(set()),
                requests=(request,),
            )[reference.key]
        )


def _principal(scopes: set[str]) -> ApiPrincipal:
    return ApiPrincipal(
        principal=PrincipalRef(
            account_id="account-1",
            membership_id="user-1",
            tenant_id="tenant-1",
            scopes=frozenset(scopes),
        ),
        account=SimpleNamespace(id="account-1"),
        user=SimpleNamespace(id="user-1"),
    )


if __name__ == "__main__":
    unittest.main()