from __future__ import annotations

import unittest

from govoplan_workflow.backend.manifest import (
    DEFINITION_READ_SCOPE,
    DEFINITION_WRITE_SCOPE,
    get_manifest,
)


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

        self.assertEqual(manifest.id, "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.assertEqual(
            "@govoplan/workflow-webui",
            manifest.frontend.package_name if manifest.frontend else None,
        )
        self.assertIsNotNone(manifest.migration_spec)
        requirement = next(
            item
            for item in manifest.requires_interfaces
            if item.name == "dataflow.run_lifecycle"
        )
        self.assertTrue(requirement.optional)


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