from __future__ import annotations

from fastapi import FastAPI
from fastapi.testclient import TestClient

from src.api.v1.iwooos import router
from src.services.iwooos_security_operating_system import (
    load_latest_iwooos_security_operating_system,
    validate_iwooos_security_operation_packet,
)


def _client() -> TestClient:
    app = FastAPI()
    app.include_router(router)
    return TestClient(app)


def _valid_operation_packet() -> dict[str, object]:
    return {
        "operation_intent": "validate_security_operation_loop_only",
        "event_title": "Wazuh registry parity drift review",
        "severity": "SEV1",
        "confidence": "high",
        "asset_aliases": [
            "managed_core_node_a",
            "managed_core_node_b",
        ],
        "asset_scope": "iwooos_wazuh_manager_registry_public_aliases",
        "what_happened_plain_language": "manager registry parity requires review before any controlled apply",
        "why_it_matters": "registry drift can hide unmanaged hosts and weaken intrusion detection",
        "redacted_evidence_refs": [
            "evidence/iwooos/wazuh-registry-parity-redacted-v1",
            "evidence/iwooos/post-enable-readback-redacted-v1",
        ],
        "ai_triage_lane": "wazuh_registry_truth",
        "candidate_action": "prepare_controlled_check_mode_dry_run",
        "owner_gate_and_verification": "commander_blanket_authorized_for_low_blast_radius_review_only",
        "target_selector_aliases": [
            "managed_core_node_a",
            "managed_core_node_b",
        ],
        "workstream_id": "P0-02",
        "source_of_truth_diff_ref": "docs/security/iwooos-security-operating-system.snapshot.json#wazuh-registry-truth",
        "check_mode_plan_ref": "playbooks/iwooos-security-operation-check-mode#redacted",
        "dry_run_evidence_ref": "evidence/iwooos/security-operation-dry-run-redacted-v1",
        "rollback_plan_ref": "playbooks/iwooos-security-operation-rollback#redacted",
        "rollback_owner": "iwooos-security-reviewer",
        "post_apply_verifier_ref": "verifiers/iwooos-security-operation-readback#public-safe",
        "km_playbook_writeback_ref": "km/playbook-trust/iwooos-security-operation-loop-v1",
        "audit_receipt_ref": "audit/iwooos-security-operation-packet-redacted-v1",
        "runtime_boundary_ack": "runtime_gate_remains_closed_until_post_verifier_passes",
        "host_write_boundary_ack": "no_host_write_performed_by_packet_validator",
        "secret_boundary_ack": "no_secret_value_collected_or_submitted",
    }


def test_iwooos_security_operating_system_readback_exposes_api_validator() -> None:
    payload = load_latest_iwooos_security_operating_system()

    assert payload["schema_version"] == "iwooos_security_operating_system_readback_v1"
    assert payload["source_schema_version"] == "iwooos_security_operating_system_v1"
    assert payload["status"] == "iwooos_security_operating_system_ready_no_runtime_action"
    assert payload["summary"]["reference_framework_count"] == 20
    assert payload["summary"]["operating_role_count"] == 10
    assert payload["summary"]["severity_lane_count"] == 5
    assert payload["summary"]["workstream_count"] == 24
    assert payload["summary"]["p0_workstream_count"] == 12
    assert payload["summary"]["automation_loop_stage_count"] == 8
    assert payload["summary"]["verification_stage_count"] == 12
    assert payload["summary"]["operation_packet_validator_available_count"] == 1
    assert payload["summary"]["operation_packet_required_field_count"] == 24
    assert payload["summary"]["wazuh_registry_accepted_count"] == 6
    assert payload["summary"]["runtime_gate_count"] == 0
    assert payload["operation_packet_validation_endpoint"] == (
        "/api/v1/iwooos/security-operating-system/validate-operation-packet"
    )
    assert len(payload["required_operation_packet_fields"]) == 24
    assert payload["boundaries"]["payload_persisted"] is False
    assert payload["boundaries"]["runtime_execution_authorized"] is False
    assert payload["boundaries"]["host_write_authorized"] is False
    assert payload["boundaries"]["secret_value_collection_allowed"] is False
    assert payload["boundaries"]["not_authorization"] is True
    assert any(
        marker == "iwooos_security_operation_packet_validation_api_available=true"
        for marker in payload["boundary_markers"]
    )


def test_iwooos_security_operating_system_api_is_public_safe() -> None:
    response = _client().get("/api/v1/iwooos/security-operating-system")

    assert response.status_code == 200
    data = response.json()
    assert data["schema_version"] == "iwooos_security_operating_system_readback_v1"
    assert data["summary"]["operation_packet_validator_available_count"] == 1
    assert data["summary"]["runtime_gate_count"] == 0
    assert len(data["workstreams"]) == 24
    assert any(item["workstream_id"] == "P0-02" for item in data["workstreams"])
    assert "192.168.0." not in response.text
    assert "工作視窗" not in response.text
    assert "批准！繼續" not in response.text
    assert "WAZUH_API_PASSWORD" not in response.text


def test_iwooos_security_operation_packet_validator_accepts_redacted_loop() -> None:
    payload = validate_iwooos_security_operation_packet(_valid_operation_packet())

    assert payload["schema_version"] == "iwooos_security_operation_packet_validation_result_v1"
    assert payload["status"] == "accepted_for_security_operation_review_only"
    assert payload["accepted_for_security_operation_review_only"] is True
    assert payload["summary"]["security_operation_packet_received_count"] == 1
    assert payload["summary"]["security_operation_packet_accepted_count"] == 1
    assert payload["summary"]["runtime_gate_count"] == 0
    assert payload["summary"]["host_write_authorized_count"] == 0
    assert payload["summary"]["secret_value_collection_allowed_count"] == 0
    assert payload["boundaries"]["payload_persisted"] is False
    assert payload["boundaries"]["runtime_execution_authorized"] is False
    assert payload["next_gate"] == "controlled_check_mode_dry_run_then_post_apply_verifier_readback"


def test_iwooos_security_operation_packet_api_does_not_persist_or_open_gate() -> None:
    client = _client()
    before = client.get("/api/v1/iwooos/security-operating-system").json()
    response = client.post(
        "/api/v1/iwooos/security-operating-system/validate-operation-packet",
        json=_valid_operation_packet(),
    )
    after = client.get("/api/v1/iwooos/security-operating-system").json()

    assert response.status_code == 200
    result = response.json()
    assert result["status"] == "accepted_for_security_operation_review_only"
    assert result["summary"]["security_operation_packet_accepted_count"] == 1
    assert result["summary"]["runtime_gate_count"] == 0
    assert before["summary"] == after["summary"]


def test_iwooos_security_operation_packet_validator_requests_missing_fields() -> None:
    packet = _valid_operation_packet()
    packet.pop("post_apply_verifier_ref")

    payload = validate_iwooos_security_operation_packet(packet)

    assert payload["status"] == "request_security_operation_packet_supplement"
    assert payload["summary"]["security_operation_packet_supplement_required_count"] == 1
    assert payload["summary"]["runtime_gate_count"] == 0
    assert any(
        "post_apply_verifier_ref" in finding["field_paths"]
        for finding in payload["validation_findings"]
    )


def test_iwooos_security_operation_packet_validator_quarantines_sensitive_payload() -> None:
    packet = _valid_operation_packet()
    packet["redacted_evidence_refs"] = [
        "bad ref includes 10.1.2.3 and Authorization: Bearer abcdefghijklmnop",
        "evidence/iwooos/second-ref-redacted-v1",
    ]

    payload = validate_iwooos_security_operation_packet(packet)

    assert payload["status"] == "quarantine_sensitive_payload"
    assert payload["quarantined"] is True
    assert payload["summary"]["security_operation_packet_quarantined_count"] == 1
    assert payload["summary"]["runtime_gate_count"] == 0
    assert "10.1.2.3" not in str(payload)
    assert "Bearer abcdefghijklmnop" not in str(payload)


def test_iwooos_security_operation_packet_validator_rejects_runtime_action() -> None:
    packet = _valid_operation_packet()
    packet["wazuh_active_response"] = True

    payload = validate_iwooos_security_operation_packet(packet)

    assert payload["status"] == "reject_runtime_action_request"
    assert payload["runtime_action_rejected"] is True
    assert payload["summary"]["security_operation_runtime_action_rejected_count"] == 1
    assert payload["summary"]["wazuh_active_response_authorized_count"] == 0
    assert payload["summary"]["runtime_gate_count"] == 0