from __future__ import annotations

import unittest

from govoplan_core.core.organizations import (
    CAPABILITY_ORGANIZATION_HIERARCHY_DIRECTORY,
    OrganizationDirectory,
    OrganizationFunctionTypeRef,
    OrganizationHierarchyDirectory,
    OrganizationUnitTypeRef,
    organization_hierarchy_directory,
)
from govoplan_core.core.registry import PlatformRegistry
from govoplan_core.core.modules import ModuleContext, ModuleManifest


class LegacyOrganizationDirectory:
    def get_organization_unit(self, _organization_unit_id):
        return None

    def organization_units_for_tenant(self, _tenant_id):
        return ()

    def get_function(self, _function_id):
        return None

    def functions_for_organization_unit(
        self,
        _organization_unit_id,
        *,
        include_subunits=False,
    ):
        del include_subunits
        return ()


class HierarchyDirectory:
    def get_unit_type(self, _tenant_id, _unit_type_id):
        return None

    def get_function_type(self, _tenant_id, _function_type_id):
        return None

    def resolve_functions_by_type(
        self,
        _tenant_id,
        _function_type_id,
        *,
        organization_unit_ids=(),
    ):
        del organization_unit_ids
        return None

    def resolve_units_by_type(
        self,
        _tenant_id,
        _unit_type_id,
        **_options,
    ):
        return None

    def resolve_hierarchy_relatives(
        self,
        _tenant_id,
        _organization_unit_ids,
        **_options,
    ):
        return ()

    def resolve_hierarchy_paths(
        self,
        _tenant_id,
        _unit_pairs,
        **_options,
    ):
        return ()


class OrganizationHierarchyContractTests(unittest.TestCase):
    def test_legacy_directory_contract_is_not_broadened(self) -> None:
        self.assertIsInstance(
            LegacyOrganizationDirectory(),
            OrganizationDirectory,
        )
        self.assertNotIsInstance(
            LegacyOrganizationDirectory(),
            OrganizationHierarchyDirectory,
        )

    def test_hierarchy_capability_resolves_independently(self) -> None:
        provider = HierarchyDirectory()
        registry = PlatformRegistry()
        registry.register(
            ModuleManifest(
                id="organization_hierarchy_test",
                name="Organization hierarchy test",
                version="0.0.0",
                capability_factories={
                    CAPABILITY_ORGANIZATION_HIERARCHY_DIRECTORY: (
                        lambda _context: provider
                    ),
                },
            )
        )
        registry.configure_capability_context(
            ModuleContext(registry=registry, settings=object())
        )

        self.assertIsInstance(provider, OrganizationHierarchyDirectory)
        self.assertIs(
            provider,
            organization_hierarchy_directory(registry),
        )

    def test_type_refs_preserve_tenant_and_status(self) -> None:
        unit_type = OrganizationUnitTypeRef(
            id="unit-type-1",
            tenant_id="tenant-1",
            slug="department",
            name="Department",
            status="inactive",
        )
        function_type = OrganizationFunctionTypeRef(
            id="function-type-1",
            tenant_id="tenant-1",
            slug="intake",
            name="Intake",
            organization_unit_type_id=unit_type.id,
        )

        self.assertEqual("inactive", unit_type.status)
        self.assertEqual(unit_type.id, function_type.organization_unit_type_id)


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