from __future__ import annotations

import sys
import unittest
from pathlib import Path

from govoplan_core.core.modules import ModuleManifest
from govoplan_core.core.provider_governance import (
    ExternalProviderDeclaration,
    ModuleArchitectureDeclaration,
    ModuleMaturityEvidence,
    ProviderBehaviorDeclaration,
    ProviderObjectDeclaration,
)


META_ROOT = Path(__file__).resolve().parents[1]
RELEASE_ROOT = META_ROOT / "tools" / "release"
if str(RELEASE_ROOT) not in sys.path:
    sys.path.insert(0, str(RELEASE_ROOT))

from govoplan_release.catalog_entry_synthesis import (  # noqa: E402
    manifest_catalog_entry,
    validate_initial_entry_closure,
)
from govoplan_release.selective_catalog import apply_repo_updates  # noqa: E402


class ReleaseCatalogEntrySynthesisTests(unittest.TestCase):
    def test_catalog_entry_preserves_architecture_and_provider_declarations(
        self,
    ) -> None:
        provider = ExternalProviderDeclaration(
            id="example.records",
            module_id="example",
            label="Example records",
            maturity="read",
            operations=("read",),
            objects=(
                ProviderObjectDeclaration(
                    object_type="record",
                    field_groups=("identity", "content"),
                    authority_modes=("external_mirror",),
                    default_authority_mode="external_mirror",
                ),
            ),
            behavior=ProviderBehaviorDeclaration(
                freshness="Reports the acquisition timestamp.",
                health="Reports source and parser health.",
                max_read_items=100,
                classifications=("internal",),
                purposes=("release contract test",),
                retention="The owning package retention policy applies.",
            ),
        )
        architecture = ModuleArchitectureDeclaration(
            layer="data_reporting_integration",
            kind="integration",
            maturity="vertical_slice",
            evidence=(
                ModuleMaturityEvidence(
                    kind="test",
                    reference="tests/test_release_catalog_entry_synthesis.py",
                    summary="Proves catalog metadata preservation.",
                ),
                ModuleMaturityEvidence(
                    kind="documentation",
                    reference="docs/INSTITUTIONAL_GOVERNANCE_TARGET_ARCHITECTURE.md",
                    summary="Defines the provider declaration contract.",
                ),
            ),
            known_limits=("Test-only provider.",),
            supported_authority_modes=("external_mirror",),
            owned_concepts=("example transport",),
            target_tested_providers=(provider.id,),
        )

        entry = manifest_catalog_entry(
            manifest=ModuleManifest(
                id="example",
                name="Example",
                version="1.2.3",
                architecture=architecture,
                external_providers=(provider,),
            ),
            repo="govoplan-example",
            package="govoplan-example",
            version="1.2.3",
            description=None,
            root=META_ROOT,
            repository_base="git+ssh://git@git.add-ideas.de/GovOPlaN",
        )

        self.assertEqual("vertical_slice", entry["architecture"]["maturity"])
        self.assertEqual(
            "external_mirror",
            entry["external_providers"][0]["objects"][0][
                "default_authority_mode"
            ],
        )

    def test_selective_update_synthesizes_initial_entries_from_package_manifests(self) -> None:
        payload: dict[str, object] = {
            "core_release": {},
            "release": {},
            "modules": [
                {
                    "module_id": "access",
                    "version": "0.1.11",
                    "python_package": "govoplan-access",
                    "python_ref": "govoplan-access @ git+ssh://git@git.add-ideas.de/GovOPlaN/govoplan-access.git@v0.1.11",
                }
            ],
        }

        changes = apply_repo_updates(
            payload,
            repo_versions={
                "govoplan-addresses": "0.1.9",
                "govoplan-poll": "0.1.11",
                "govoplan-scheduling": "0.1.11",
            },
            repo_contracts={},
            repository_base="git+ssh://git@git.add-ideas.de/GovOPlaN",
            workspace=META_ROOT.parent,
        )

        modules = {
            item["module_id"]: item
            for item in payload["modules"]  # type: ignore[index]
        }
        self.assertEqual({"access", "addresses", "poll", "scheduling"}, set(modules))
        self.assertEqual("@govoplan/addresses-webui", modules["addresses"]["webui_package"])
        self.assertIn(
            {"name": "addresses.people_search", "version": "0.1.0"},
            modules["addresses"]["provides_interfaces"],
        )
        self.assertEqual("govoplan-poll", modules["poll"]["python_package"])
        self.assertEqual(["poll"], modules["scheduling"]["dependencies"])
        self.assertEqual("@govoplan/scheduling-webui", modules["scheduling"]["webui_package"])
        self.assertEqual("requires_review", modules["scheduling"]["migration_safety"])
        self.assertTrue(
            any(
                item["name"] == "poll.governed_participation" and item["optional"] is False
                for item in modules["scheduling"]["requires_interfaces"]
            )
        )
        self.assertEqual(
            {"govoplan-addresses", "govoplan-poll", "govoplan-scheduling"},
            {change.repo for change in changes},
        )
        self.assertEqual({"catalog_entry"}, {change.field for change in changes})

    def test_initial_required_dependency_must_be_represented(self) -> None:
        with self.assertRaisesRegex(ValueError, "requires catalog module 'poll'"):
            validate_initial_entry_closure(
                catalog_modules=[
                    {
                        "module_id": "scheduling",
                        "dependencies": ["poll"],
                    }
                ],
                initial_module_ids={"scheduling"},
            )


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