#!/usr/bin/env python3
"""Offline compute mixins: the handler-free path used by MCP and report scripts.

TASK-api-server-backdoor-close-20260916. These assertions pin the two production
call sites that no longer forge a ``JyotishAPIHandler`` without its constructor,
and pin that the HTTP handler keeps the moved methods through inheritance.
"""

from __future__ import annotations

import ast
import os
import sys

SCRIPTS = os.path.join(os.path.dirname(__file__), '..', 'scripts')
if SCRIPTS not in sys.path:
    sys.path.insert(0, SCRIPTS)

from ashtakoot import calculate_ashtakoot  # noqa: E402
from jyotish_api_server import JyotishAPIHandler  # noqa: E402
from offline_compute_mixins import (  # noqa: E402
    RequestParamMixin,
    SynastryMixin,
    VedastroEvidenceMixin,
)

_CHART = {
    'success': True,
    'ascendant': {'sign': 'Aries', 'sign_idx': 0, 'degree': 12.0, 'lon': 12.0},
    'planets': {
        'Sun': {'sign': 'Leo', 'lon': 130.0},
        'Moon': {'sign': 'Cancer', 'lon': 100.0},
    },
}


def test_synastry_mixin_needs_no_http_handler() -> None:
    """local_accuracy_report.py's path: score a pair without a handler."""
    api = SynastryMixin()._compute_synastry({'male_moon': 0, 'female_moon': 60})
    direct = calculate_ashtakoot(0, 60)
    assert api['total_score'] == direct['total_score']
    assert api['male_details'] == direct['male_details']
    assert api['female_details'] == direct['female_details']


def test_runtime_evidence_helpers_run_without_forging_a_handler() -> None:
    """mcp_server.py:4751 -> consultation_workflow_service.build_runtime_evidence_helpers."""
    from consultation_workflow_service import build_runtime_evidence_helpers

    helpers = build_runtime_evidence_helpers(_CHART)
    assert set(helpers) == {
        'vedastro_official',
        'vedastro_archive_manifest',
        'interpretation_coverage',
    }
    assert isinstance(helpers['vedastro_official'], dict)
    assert isinstance(helpers['vedastro_archive_manifest'], dict)
    assert isinstance(helpers['interpretation_coverage'], dict)


def test_consultation_workflow_service_no_longer_forges_for_evidence() -> None:
    source = os.path.join(SCRIPTS, 'consultation_workflow_service.py')
    tree = ast.parse(open(source, encoding='utf-8').read())
    fn = next(
        n for n in tree.body
        if isinstance(n, ast.FunctionDef) and n.name == 'build_runtime_evidence_helpers'
    )
    body = ast.dump(fn)
    assert 'JyotishAPIHandler' not in body
    assert 'VedastroEvidenceMixin' in body


def test_http_handler_still_inherits_the_moved_methods() -> None:
    """HTTP-visible behaviour must be unchanged: same methods, now via MRO."""
    for name in (
        '_get_float',
        '_check_range',
        '_normalize_degree',
        '_compute_synastry',
        '_high_rigor_vedastro_official_summary',
        '_compute_vedastro_gateway_archives',
        '_interpretation_source_runtime_coverage',
    ):
        assert hasattr(JyotishAPIHandler, name), name
    assert issubclass(JyotishAPIHandler, VedastroEvidenceMixin)
    assert issubclass(JyotishAPIHandler, SynastryMixin)
    assert issubclass(SynastryMixin, RequestParamMixin)