from __future__ import annotations

import unittest

from govoplan_workflow_engine.backend.manifest import (
    DEFINITION_READ_SCOPE,
    DEFINITION_WRITE_SCOPE,
    INSTANCE_START_SCOPE,
    get_manifest,
)
from govoplan_core.core.workflows import (
    CAPABILITY_WORKFLOW_RUNTIME_WORKER,
)


class WorkflowManifestTests(unittest.TestCase):
    def test_manifest_exposes_definition_contracts(self) -> None:
        manifest = get_manifest()

        self.assertEqual(manifest.id, "workflow_engine")
        self.assertEqual(manifest.permission_namespace, "workflow")
        self.assertIn(
            "workflow.definition_graph",
            {item.name for item in manifest.provides_interfaces},
        )
        self.assertIn(
            DEFINITION_READ_SCOPE,
            {item.scope for item in manifest.permissions},
        )
        self.assertIn(
            DEFINITION_WRITE_SCOPE,
            {item.scope for item in manifest.permissions},
        )
        self.assertIn(
            INSTANCE_START_SCOPE,
            {item.scope for item in manifest.permissions},
        )
        self.assertIn(
            "workflow.runtime_worker",
            {item.name for item in manifest.provides_interfaces},
        )
        self.assertIn(
            CAPABILITY_WORKFLOW_RUNTIME_WORKER,
            manifest.capability_factories,
        )
        self.assertIsNone(manifest.frontend)
        self.assertEqual((), manifest.nav_items)
        self.assertIsNotNone(manifest.migration_spec)
        self.assertEqual("workflow_engine", manifest.migration_spec.module_id)
        requirement = next(
            item
            for item in manifest.requires_interfaces
            if item.name == "dataflow.run_lifecycle"
        )
        self.assertTrue(requirement.optional)


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