#!/usr/bin/env python3
"""Negative-authority contracts for flexible birth-time report projections."""

from __future__ import annotations

from copy import deepcopy
import os
import sys

import pytest

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

from flexible_birth_time_full_report_projection import (  # noqa: E402
    FlexibleBirthTimeFullReportProjectionError,
    build_flexible_birth_time_full_report_projection,
)
from flexible_birth_time_profile import build_flexible_birth_time_profile  # noqa: E402
from flexible_birth_time_report_section import (  # noqa: E402
    FlexibleBirthTimeReportSectionError,
    render_flexible_birth_time_report_section,
)
from flexible_birth_time_report_support import (  # noqa: E402
    FlexibleBirthTimeReportSupportError,
    build_flexible_birth_time_report_support,
)


def _profile() -> dict:
    rows = [
        {
            "candidate_id": "fictional-a",
            "candidate_time": "08:00",
            "evidence": {"D1.ascendant": "Aries", "D10.ascendant": "Capricorn"},
            "trace": [{"kind": "fictional_candidate", "reference": "fixture://08:00"}],
        },
        {
            "candidate_id": "fictional-b",
            "candidate_time": "08:01",
            "evidence": {"D1.ascendant": "Aries", "D10.ascendant": "Aquarius"},
            "trace": [{"kind": "fictional_candidate", "reference": "fixture://08:01"}],
        },
    ]
    profile = build_flexible_birth_time_profile(rows, source_reference={"review_id": "fictional-review"})
    profile["birth_time_window"]["representative_time"] = "08:00"
    return profile


def _packets() -> tuple[dict, dict, dict]:
    profile = _profile()
    support = build_flexible_birth_time_report_support(profile)
    projection = build_flexible_birth_time_full_report_projection(support)
    return profile, support, projection


def test_report_projection_is_hash_stable_and_renders_only_candidate_window_evidence() -> None:
    _, support, projection = _packets()
    reordered = deepcopy(support)
    reordered["birth_time_window"] = dict(reversed(list(reordered["birth_time_window"].items())))

    assert build_flexible_birth_time_full_report_projection(reordered)["projection_id"] == projection["projection_id"]
    assert projection["status"] == "candidate_window_only"
    rendered = render_flexible_birth_time_report_section(projection)
    assert "出生时间敏感度" in rendered
    assert "#### 校时附录·分钟排行" in rendered
    assert "08:00" in rendered
    assert "winner" not in rendered.lower()
    assert "approved" not in rendered.lower()


@pytest.mark.parametrize("field", ["approved_birth_time", "final_birth_time", "winner", "approval"])
def test_every_report_layer_rejects_birth_minute_authority_fields(field: str) -> None:
    profile, support, projection = _packets()
    cases = [
        (profile, build_flexible_birth_time_report_support, FlexibleBirthTimeReportSupportError),
        (support, build_flexible_birth_time_full_report_projection, FlexibleBirthTimeFullReportProjectionError),
        (projection, render_flexible_birth_time_report_section, FlexibleBirthTimeReportSectionError),
    ]
    for packet, consumer, error_type in cases:
        tampered = deepcopy(packet)
        tampered["authority_probe"] = {field: "08:00"}
        with pytest.raises(error_type, match="candidate_window_authority_forbidden"):
            consumer(tampered)


@pytest.mark.parametrize("status", ["approved", "confirmed"])
def test_every_report_layer_rejects_approved_or_confirmed_source_reference(status: str) -> None:
    profile, support, projection = _packets()
    cases = [
        (profile, build_flexible_birth_time_report_support, FlexibleBirthTimeReportSupportError),
        (support, build_flexible_birth_time_full_report_projection, FlexibleBirthTimeFullReportProjectionError),
        (projection, render_flexible_birth_time_report_section, FlexibleBirthTimeReportSectionError),
    ]
    for packet, consumer, error_type in cases:
        tampered = deepcopy(packet)
        tampered["source_reference"] = {"review_id": "fictional-review", "status": status}
        with pytest.raises(error_type, match="candidate_window_authority_forbidden"):
            consumer(tampered)