import json
from pathlib import Path

from railiance_fabric.accountability_roots import (
    AccountabilityEvidenceStore,
    build_identity_projection,
    build_ownership_review,
    build_update_delta,
    collect_accountability_root_evidence,
    load_accountability_root_manifest,
)
from railiance_fabric.cli import main as cli_main
from railiance_fabric.schema_validation import draft202012_validator


def test_collect_accountability_root_evidence_from_manifest(tmp_path: Path) -> None:
    manifest = _fixture_manifest(tmp_path)
    evidence_run = collect_accountability_root_evidence(manifest, max_items_per_root=20)

    validator = draft202012_validator(Path("schemas/accountability-root-evidence.schema.yaml"))
    assert list(validator.iter_errors(evidence_run)) == []
    assert evidence_run["kind"] == "AccountabilityRootEvidenceRun"
    assert evidence_run["manifest"]["id"] == "fixture.accountability-roots"

    evidence = [
        item
        for root in evidence_run["roots"]
        for item in root["evidence"]
    ]
    evidence_types = {item["evidence_type"] for item in evidence}
    assert {"registered_repository", "repository_checkout", "deployment_automation", "secret_root"} <= evidence_types
    assert all(item["durable"] is True for item in evidence)
    assert all(item["live_telemetry"] is False for item in evidence)

    registered_repo = next(item for item in evidence if item["evidence_type"] == "registered_repository")
    assert registered_repo["attributes"]["state_hub_repo_id"] == "fixture-state-hub-id"

    secret_root = next(item for item in evidence if item["evidence_type"] == "secret_root")
    assert "secret-value" not in json.dumps(secret_root)


def test_identity_projection_is_stable_and_reviewable(tmp_path: Path) -> None:
    manifest_path = _fixture_manifest(tmp_path)
    manifest = load_accountability_root_manifest(manifest_path)

    first = build_identity_projection(collect_accountability_root_evidence(manifest_path), manifest)
    second = build_identity_projection(collect_accountability_root_evidence(manifest_path), manifest)

    validator = draft202012_validator(Path("schemas/accountability-identity-projection.schema.yaml"))
    assert list(validator.iter_errors(first)) == []

    first_keys = {candidate["stable_key"] for candidate in first["identity_candidates"]}
    second_keys = {candidate["stable_key"] for candidate in second["identity_candidates"]}
    assert first_keys == second_keys
    assert {
        "Actor",
        "Fabric",
        "Repository",
        "Deployable",
        "SecretRoot",
    } <= {candidate["identity_type"] for candidate in first["identity_candidates"]}
    assert first["candidate_graph"]["nodes"]
    assert first["candidate_graph"]["edges"]


def test_deployable_identity_ignores_generic_filename_alias_ambiguity(tmp_path: Path) -> None:
    workspace = tmp_path / "workspace"
    for name in ("service-a", "service-b"):
        service = workspace / name
        service.mkdir(parents=True)
        (service / "Dockerfile").write_text("FROM python:3.12-slim\n", encoding="utf-8")
    manifest_path = _minimal_manifest(
        tmp_path,
        """
  - id: root.fixture.deployables
    type: deployment_automation
    status: active
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.lord
    source:
      path: {workspace}
      patterns:
        - "*/Dockerfile"
      safe_discovery: local_files
    evidence_scope:
      - deployment_topology
""".format(workspace=workspace),
    )
    manifest = load_accountability_root_manifest(manifest_path)

    projection = build_identity_projection(collect_accountability_root_evidence(manifest_path), manifest)

    deployables = [
        candidate
        for candidate in projection["identity_candidates"]
        if candidate["identity_type"] == "Deployable"
    ]
    assert len(deployables) == 2
    assert all("ambiguous_aliases" not in candidate.get("attributes", {}) for candidate in deployables)


def test_deployment_evidence_skips_dependency_cache_noise(tmp_path: Path) -> None:
    workspace = tmp_path / "workspace"
    (workspace / "service").mkdir(parents=True)
    (workspace / "service" / "Dockerfile").write_text("FROM python:3.12-slim\n", encoding="utf-8")
    (workspace / ".venv" / "lib" / "python3.12" / "site-packages" / "pkg").mkdir(parents=True)
    (workspace / ".venv" / "lib" / "python3.12" / "site-packages" / "pkg" / "Dockerfile").write_text(
        "FROM ignored\n",
        encoding="utf-8",
    )
    (workspace / "go" / "pkg" / "mod" / "example").mkdir(parents=True)
    (workspace / "go" / "pkg" / "mod" / "example" / "Dockerfile").write_text(
        "FROM ignored\n",
        encoding="utf-8",
    )
    manifest_path = _minimal_manifest(
        tmp_path,
        """
  - id: root.fixture.deployables
    type: deployment_automation
    status: active
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.lord
    source:
      path: {workspace}
      patterns:
        - "**/Dockerfile"
      safe_discovery: local_files
    evidence_scope:
      - deployment_topology
""".format(workspace=workspace),
    )

    evidence = collect_accountability_root_evidence(manifest_path, max_items_per_root=20)
    paths = [
        item["source"]["path"]
        for root in evidence["roots"]
        for item in root["evidence"]
        if item["evidence_type"] == "deployment_automation"
    ]

    assert paths == [str(workspace / "service" / "Dockerfile")]


def test_evidence_store_persists_runs_items_and_identities(tmp_path: Path) -> None:
    manifest_path = _fixture_manifest(tmp_path)
    manifest = load_accountability_root_manifest(manifest_path)
    evidence_run = collect_accountability_root_evidence(manifest_path)
    projection = build_identity_projection(evidence_run, manifest)
    store = AccountabilityEvidenceStore(tmp_path / "evidence.sqlite3")

    stored = store.add_evidence_run(evidence_run, projection)
    latest = store.latest_run()

    assert latest is not None
    assert latest["id"] == stored["run_id"]
    assert stored["evidence_count"] == len(store.list_evidence(stored["run_id"]))
    assert stored["identity_candidate_count"] == len(store.list_identity_candidates(stored["run_id"]))


def test_ownership_review_flags_ambiguity_and_applies_review_decisions(tmp_path: Path) -> None:
    manifest_path = _fixture_manifest(tmp_path)
    manifest = load_accountability_root_manifest(manifest_path)
    projection = build_identity_projection(collect_accountability_root_evidence(manifest_path), manifest)
    review = build_ownership_review(projection, manifest)

    validator = draft202012_validator(Path("schemas/accountability-ownership-review.schema.yaml"))
    assert list(validator.iter_errors(review)) == []

    repo_key = "identity:repository:fixture-repo"
    repo_item = next(item for item in review["items"] if item["stable_key"] == repo_key)
    assert repo_item["review_state"] == "needs_review"
    assert "ambiguous_ownership" in repo_item["blockers"]

    store = AccountabilityEvidenceStore(tmp_path / "evidence.sqlite3")
    store.add_review_decision(
        stable_key=repo_key,
        decision="accept",
        reviewer="tester",
        owner_actor_id="actor.fixture.lord",
        fabric_id="fabric.fixture.primary",
        note="fixture checkout owner wins over registry root",
    )
    accepted_review = build_ownership_review(
        projection,
        manifest,
        review_decisions=store.latest_review_decisions(),
    )
    accepted_item = next(item for item in accepted_review["items"] if item["stable_key"] == repo_key)
    assert accepted_item["review_state"] == "accepted"
    assert accepted_item["ownership"]["resolution"] == "review_decision"
    assert accepted_item["ownership"]["owner_actor_id"] == "actor.fixture.lord"


def test_discover_roots_cli_prints_evidence_json(tmp_path: Path, capsys) -> None:
    manifest = _fixture_manifest(tmp_path)

    assert cli_main(["discover-roots", "--manifest", str(manifest), "--max-items-per-root", "20"]) == 0

    payload = json.loads(capsys.readouterr().out)
    assert payload["kind"] == "AccountabilityRootEvidenceRun"
    assert payload["roots"]


def test_discover_roots_cli_can_print_identities_and_store(tmp_path: Path, capsys) -> None:
    manifest = _fixture_manifest(tmp_path)
    store_path = tmp_path / "evidence.sqlite3"

    assert (
        cli_main(
            [
                "discover-roots",
                "--manifest",
                str(manifest),
                "--identity-projection",
                "--store-db",
                str(store_path),
            ]
        )
        == 0
    )

    payload = json.loads(capsys.readouterr().out)
    assert payload["kind"] == "AccountabilityIdentityProjection"
    assert AccountabilityEvidenceStore(store_path).latest_run() is not None


def test_review_identity_cli_persists_decision_for_ownership_review(tmp_path: Path, capsys) -> None:
    manifest = _fixture_manifest(tmp_path)
    store_path = tmp_path / "evidence.sqlite3"
    repo_key = "identity:repository:fixture-repo"

    assert (
        cli_main(
            [
                "review-identity",
                repo_key,
                "--store-db",
                str(store_path),
                "--decision",
                "accept",
                "--owner-actor-id",
                "actor.fixture.lord",
                "--fabric-id",
                "fabric.fixture.primary",
                "--reviewer",
                "tester",
            ]
        )
        == 0
    )
    decision_payload = json.loads(capsys.readouterr().out)
    assert decision_payload["stable_key"] == repo_key

    assert (
        cli_main(
            [
                "discover-roots",
                "--manifest",
                str(manifest),
                "--ownership-review",
                "--store-db",
                str(store_path),
            ]
        )
        == 0
    )
    review_payload = json.loads(capsys.readouterr().out)
    repo_item = next(item for item in review_payload["items"] if item["stable_key"] == repo_key)
    assert repo_item["review_state"] == "accepted"
    assert repo_item["decision"]["reviewer"] == "tester"


def test_update_delta_detects_ownership_changes_and_unchanged_runs(tmp_path: Path) -> None:
    manifest_path = _fixture_manifest(tmp_path)
    manifest = load_accountability_root_manifest(manifest_path)
    projection = build_identity_projection(collect_accountability_root_evidence(manifest_path), manifest)
    review = build_ownership_review(projection, manifest)

    unchanged = build_update_delta(
        projection,
        review,
        previous_identity_projection=projection,
        previous_ownership_review=review,
    )
    validator = draft202012_validator(Path("schemas/accountability-update-delta.schema.yaml"))
    assert list(validator.iter_errors(unchanged)) == []
    assert unchanged["summary"]["promotion_needed"] is False
    assert unchanged["node_delta"]["unchanged"]

    store = AccountabilityEvidenceStore(tmp_path / "evidence.sqlite3")
    store.add_review_decision(
        stable_key="identity:repository:fixture-repo",
        decision="accept",
        reviewer="tester",
        owner_actor_id="actor.fixture.lord",
        fabric_id="fabric.fixture.primary",
    )
    accepted_review = build_ownership_review(
        projection,
        manifest,
        review_decisions=store.latest_review_decisions(),
    )
    changed = build_update_delta(
        projection,
        accepted_review,
        previous_identity_projection=projection,
        previous_ownership_review=review,
    )
    assert changed["summary"]["promotion_needed"] is True
    assert "identity:repository:fixture-repo" in changed["change_sets"]["ownership"]
    assert "identity:repository:fixture-repo" in changed["change_sets"]["review_state"]


def test_discover_roots_cli_can_emit_delta(tmp_path: Path, capsys) -> None:
    manifest = _fixture_manifest(tmp_path)
    manifest_data = load_accountability_root_manifest(manifest)
    projection = build_identity_projection(collect_accountability_root_evidence(manifest), manifest_data)
    review = build_ownership_review(projection, manifest_data)
    projection_path = tmp_path / "previous-identities.json"
    review_path = tmp_path / "previous-ownership.json"
    projection_path.write_text(json.dumps(projection), encoding="utf-8")
    review_path.write_text(json.dumps(review), encoding="utf-8")

    assert (
        cli_main(
            [
                "discover-roots",
                "--manifest",
                str(manifest),
                "--delta",
                "--previous-identity-projection",
                str(projection_path),
                "--previous-ownership-review",
                str(review_path),
            ]
        )
        == 0
    )

    payload = json.loads(capsys.readouterr().out)
    assert payload["kind"] == "AccountabilityUpdateDelta"
    assert payload["summary"]["promotion_needed"] is False


def _fixture_manifest(tmp_path: Path) -> Path:
    workspace = tmp_path / "workspace"
    repo = workspace / "fixture-repo"
    repo.mkdir(parents=True)
    (repo / ".git").mkdir()
    (repo / "fabric").mkdir()
    (repo / "Dockerfile").write_text("FROM python:3.12-slim\n", encoding="utf-8")
    (repo / "compose.yaml").write_text("services:\n  api:\n    image: fixture/api\n", encoding="utf-8")
    secret_metadata = repo / "secret-root.txt"
    secret_metadata.write_text("secret-value-never-promote\n", encoding="utf-8")

    registry_manifest = tmp_path / "local-repos.yaml"
    registry_manifest.write_text(
        """
apiVersion: railiance.fabric/v1alpha1
kind: RegistryOnboardingManifest
repositories:
  - slug: fixture-repo
    name: Fixture Repo
    domain: testing
    path: {repo}
    default_branch: main
    state_hub_repo_id: fixture-state-hub-id
    remote_url: gitea-remote:coulomb/fixture-repo.git
""".format(repo=repo),
        encoding="utf-8",
    )

    manifest = tmp_path / "accountability-roots.yaml"
    manifest.write_text(
        """
apiVersion: railiance.fabric/v1alpha2
kind: AccountabilityRootManifest
metadata:
  id: fixture.accountability-roots
  name: Fixture Accountability Roots
netkingdom:
  id: fixture.netkingdom
  name: Fixture Netkingdom
  king_actor_id: actor.fixture.king
actors:
  - id: actor.fixture.king
    role: king
    name: Fixture King
  - id: actor.fixture.lord
    role: lord
    name: Fixture Lord
fabrics:
  - id: fabric.fixture.primary
    kind: Fabric
    name: Fixture Primary Fabric
    netkingdom_id: fixture.netkingdom
    lord_actor_id: actor.fixture.lord
    parent_fabric_id: null
    status: active
    boundary:
      boundary_type: fabric
      criterion: financial_and_operational_accountability
discovery_roots:
  - id: root.fixture.registry
    type: registry_manifest
    status: active
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.king
    source:
      manifest_path: {registry_manifest}
      safe_discovery: local_files
    evidence_scope:
      - repo_inventory
      - repository_identity
  - id: root.fixture.checkout
    type: repository_checkout
    status: active
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.lord
    source:
      repo_slug: fixture-repo
      path: {repo}
      safe_discovery: local_files
    evidence_scope:
      - repository_identity
      - local_checkout
  - id: root.fixture.deployment
    type: deployment_automation
    status: active
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.lord
    source:
      path: {repo}
      patterns:
        - Dockerfile
        - compose.yaml
      safe_discovery: local_files
    evidence_scope:
      - deployment_topology
  - id: root.fixture.secret
    type: secret_root
    status: planned
    fabric_id: fabric.fixture.primary
    owner_actor_id: actor.fixture.king
    source:
      path: {secret_metadata}
      safe_discovery: metadata_only
    evidence_scope:
      - secret_metadata
refresh:
  cadence: manual
  triggers:
    - operator_request
""".format(
            registry_manifest=registry_manifest,
            repo=repo,
            secret_metadata=secret_metadata,
        ),
        encoding="utf-8",
    )
    return manifest


def _minimal_manifest(tmp_path: Path, discovery_roots: str) -> Path:
    manifest = tmp_path / "minimal-accountability-roots.yaml"
    manifest.write_text(
        """
apiVersion: railiance.fabric/v1alpha2
kind: AccountabilityRootManifest
metadata:
  id: fixture.minimal-accountability-roots
  name: Fixture Minimal Accountability Roots
netkingdom:
  id: fixture.netkingdom
  name: Fixture Netkingdom
  king_actor_id: actor.fixture.king
actors:
  - id: actor.fixture.king
    role: king
    name: Fixture King
  - id: actor.fixture.lord
    role: lord
    name: Fixture Lord
fabrics:
  - id: fabric.fixture.primary
    kind: Fabric
    name: Fixture Primary Fabric
    netkingdom_id: fixture.netkingdom
    lord_actor_id: actor.fixture.lord
    parent_fabric_id: null
    status: active
    boundary:
      boundary_type: fabric
      criterion: financial_and_operational_accountability
discovery_roots:
{discovery_roots}
refresh:
  cadence: manual
  triggers:
    - operator_request
""".format(discovery_roots=discovery_roots.rstrip()),
        encoding="utf-8",
    )
    return manifest