from __future__ import annotations

import pytest

from app.core.system.tenant_context import DeliveryMode, TenantScope
from app.core.system.tenant_resources import (
    TenantResourceError,
    build_tenant_namespace,
    build_tenant_resource_manifest,
)


@pytest.mark.parametrize(
    "resource",
    ["object", "graph", "cache", "index", "keys", "connectors", "models", "plugins", "backup", "audit_export"],
)
def test_tenant_namespaces_are_resource_specific_and_cannot_cross_scope(resource: str):
    alpha = TenantScope("tenant-alpha", DeliveryMode.SHARED_CONTROL_PLANE)
    beta = TenantScope("tenant-beta", DeliveryMode.SHARED_CONTROL_PLANE)

    alpha_namespace = build_tenant_namespace(alpha, resource, "daily-export")
    beta_namespace = build_tenant_namespace(beta, resource, "daily-export")

    assert alpha_namespace != beta_namespace
    assert alpha_namespace.startswith("tenant-alpha/")
    assert beta_namespace.startswith("tenant-beta/")


@pytest.mark.parametrize(
    "value",
    [
        "../tenant-beta",
        "tenant-alpha/../tenant-beta",
        "https://tenant-beta.example/object",
        "tenant-аlpha",  # Cyrillic a, not ASCII a.
        "tenant-alpha\\tenant-beta",
    ],
)
def test_namespace_contract_rejects_escape_url_and_unicode_homograph(value: str):
    scope = TenantScope("tenant-alpha", DeliveryMode.SHARED_CONTROL_PLANE)

    with pytest.raises(TenantResourceError, match="tenant_resource_invalid"):
        build_tenant_namespace(scope, "object", value)


def test_manifest_is_hash_only_and_provider_is_default_disabled():
    scope = TenantScope("tenant-alpha", DeliveryMode.SHARED_CONTROL_PLANE)

    manifest = build_tenant_resource_manifest(
        scope,
        resource="backup",
        name="backup-001",
        digest="a" * 64,
    )

    assert manifest["tenant_id"] == "tenant-alpha"
    assert manifest["provider_enabled"] is False
    assert "secret" not in manifest
    assert manifest["digest"] == "sha256:" + "a" * 64