"""The chart page's dignity and varga-meaning tables must be the engine's.

`frontend/src/lib/vedic-chart-tables.json` is read by the chart page: varga
meanings (`divisional_charts_extended.VargaType`) and the dignity wording
(`jyotish_engine.DIGNITY_LABELS`). The dignity level itself comes from
`/api/varga_full` (`varga_dignity_level`, BUG-1202); the page never derives it.
"""

from __future__ import annotations

import json
import shutil
import subprocess
import sys
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "scripts"))

import divisional_charts_extended  # noqa: E402
import jyotish_engine  # noqa: E402
from consultation_native_layers import build_d9_summary  # noqa: E402

TABLES = json.loads((ROOT / "frontend/src/lib/vedic-chart-tables.json").read_text(encoding="utf-8"))
PLANETS = ["Sun", "Moon", "Mars", "Mercury", "Jupiter", "Venus", "Saturn", "Rahu", "Ketu"]


def test_dignity_labels_equal_engine_status_wording() -> None:
    # BUG-1202: divisional rows carry the engine's level and the page labels it
    # with the D1 status wording; the three-level page table is retired.
    assert TABLES["dignityLabels"] == jyotish_engine.DIGNITY_LABELS
    assert {"signLords", "exaltation", "debilitation", "nodeOwnSign"}.isdisjoint(TABLES)


def test_varga_meanings_equal_engine_varga_types() -> None:
    engine = {str(v.division): v.meaning for v in divisional_charts_extended.VargaType if v.division <= 60}
    assert TABLES["vargaMeaning"] == engine
    for division in ("40", "45", "60"):
        assert division in TABLES["vargaMeaning"]


@pytest.fixture(scope="module")
def d9_projection() -> tuple[dict, dict]:
    """Run the real server mapper, not a Python imitation of its comparison.

    The checked-in golden is a fictional chart, Raman ayanamsa / mean node.
    No ephemeris is recomputed under a different process-global ayanamsa.
    """
    frontend = ROOT / "frontend"
    node = shutil.which("node")
    tsx = frontend / "node_modules/tsx/dist/cli.mjs"
    if not node or not tsx.is_file():
        pytest.skip("D9 mapper/native comparison requires Node and frontend tsx dependencies")
    golden = json.loads((frontend / "tests/fixtures/chart-view-golden.json").read_text(encoding="utf-8"))
    assert golden["chart"]["birth"]["ayanamsa_name"] == "raman"
    assert golden["chart"]["birth"]["node_mode"] == "mean"
    script = """
        import { readFileSync } from 'node:fs';
        import { buildChartView } from './src/lib/chart-view-mapper.ts';
        const golden = JSON.parse(readFileSync('./tests/fixtures/chart-view-golden.json', 'utf8'));
        const birth = golden.chart.birth;
        const view = buildChartView({
          chart: golden.chart, varga: golden.varga_full, chara: null, western: null,
          profile: {
            name: 'Synthetic', date: birth.date, time: birth.time,
            latitude: birth.lat, longitude: birth.lon, timezoneOffset: 8,
            ayanamsa: birth.ayanamsa_name, birthTimeStatus: 'confirmed',
          },
          asOf: '2026-09-15',
        });
        process.stdout.write(JSON.stringify(view.vedic.vargas.find(varga => varga.id === 'D9')));
    """
    completed = subprocess.run(
        [node, str(tsx), "--eval", script],
        cwd=frontend, text=True, encoding="utf-8", capture_output=True, timeout=60, check=False,
    )
    assert completed.returncode == 0, completed.stderr
    return golden, json.loads(completed.stdout)


def test_d9_projected_planets_match_native_vargottama(d9_projection: tuple[dict, dict]) -> None:
    golden, projected = d9_projection
    natal = golden["chart"]["planets"]
    d9 = golden["varga_full"]["result"]["D9_Navamsa"]
    native = jyotish_engine._calc_vargottama(natal, {"D9_Navamsa": d9["planets"]})
    assert projected["supportsDignity"] is True
    assert projected["supportsVargottama"] is True
    assert len(projected["rows"]) == len(PLANETS)
    results = set()
    for row in projected["rows"]:
        expected = native[row["name"]]
        assert row["sign"] == expected["d9_sign"]
        assert row["natalSign"] == expected["d1_sign"]
        assert row["vargottama"] is expected["is_vargottama"]
        results.add(row["vargottama"])
    assert results == {True, False}, "golden must exercise both valid outcomes"


def test_d9_projected_ascendant_matches_native_summary(d9_projection: tuple[dict, dict]) -> None:
    # _calc_vargottama handles planets, NOT the ascendant; use the native lagna
    # summary path for this separate contract instead of attributing it there.
    golden, projected = d9_projection
    native = build_d9_summary(
        jyotish_engine, golden["chart"], {"varga_full": golden["varga_full"]["result"]},
    )
    assert native["status"] == "executed"
    assert projected["ascendant"]["sign"] == native["lagna"]
    assert projected["ascendant"]["natalSign"] == golden["chart"]["ascendant"]["sign"]
    assert projected["ascendant"]["vargottama"] is native["lagna_vargottama"]


def test_d9_projected_dignity_is_the_engine_level(d9_projection: tuple[dict, dict]) -> None:
    golden, projected = d9_projection
    d9_planets = golden["varga_full"]["result"]["D9_Navamsa"]["planets"]
    levels = set()
    for row in projected["rows"]:
        expected = jyotish_engine.varga_dignity_level(row["name"], d9_planets)
        assert expected is not None
        assert row["dignity"] == expected == d9_planets[row["name"]]["dignity_level"]
        levels.add(expected)
    # The golden must show that friendship levels reach the page, not only
    # exalted / own / debilitated.
    assert {"OWN_SIGN", "DEBILITATED", "NEUTRAL", "ENEMY", "FRIEND"} <= levels