"""Source-bounded regression tests for Dwadashottari MD."""

from __future__ import annotations

import json
from datetime import datetime
from pathlib import Path

from scripts.dwadashottari_dasha import calculate_dwadashottari_dasha, dwadashottari_applicability


ROOT = Path(__file__).resolve().parents[1]


def test_dwadashottari_requires_explicit_sukramsaka_profile() -> None:
    result = calculate_dwadashottari_dasha({
        "birth_datetime": "2000-01-01T12:00:00",
        "moon_longitude": 350.0,
    })

    assert result["execution_status"] == "blocked"
    assert "sukramsaka_profile" in result["reason"]


def test_dwadashottari_supports_three_documented_sukramsaka_profiles() -> None:
    simple = dwadashottari_applicability({
        "sukramsaka_profile": "navamsa_lagna_taurus_or_libra",
        "navamsa_ascendant_sign_index": 1,
    })
    venus_rasi = dwadashottari_applicability({
        "sukramsaka_profile": "lagna_navamsa_matches_venus_rasi",
        "navamsa_ascendant_sign_index": 6,
        "venus_rasi_sign_index": 6,
    })
    venus_navamsa = dwadashottari_applicability({
        "sukramsaka_profile": "lagna_rasi_matches_venus_navamsa",
        "ascendant_sign_index": 8,
        "venus_navamsa_sign_index": 8,
    })

    assert simple["applicable"] is True
    assert venus_rasi["applicable"] is True
    assert venus_navamsa["applicable"] is True


def test_dwadashottari_emits_md_for_selected_profile_without_child_boundaries() -> None:
    result = calculate_dwadashottari_dasha({
        "birth_datetime": datetime(2000, 1, 1, 12, 0),
        "moon_longitude": 350.0,
        "sukramsaka_profile": "navamsa_lagna_taurus_or_libra",
        "navamsa_ascendant_sign_index": 1,
    })

    assert result["execution_status"] == "executed"
    assert result["confidence_status"] == "parameter_sensitive"
    assert result["total_cycle"] == 112
    assert len(result["major"]) == 8
    assert result["starting_lord"] == "Sun"  # Revati counts as remainder 1.
    assert result["major"][0]["full_years"] == 7
    assert result["major"][1]["lord"] == "Jupiter"
    assert result["period_depth_status"] == "mahadasha_executed_ad_pd_blocked_pending_row_level_replay"
    assert "antardasha" not in result["major"][0]


def test_dwadashottari_standard_table_profile_preserves_unmet_gate_but_emits_rows() -> None:
    result = calculate_dwadashottari_dasha({
        "birth_datetime": "2000-01-01T12:00:00",
        "moon_longitude": 350.0,
        "sukramsaka_profile": "navamsa_lagna_taurus_or_libra",
        "navamsa_ascendant_sign_index": 2,
        "standard_table_profile": "pl9_reports_all_dasha_tables_v1",
    })

    assert result["execution_status"] == "executed"
    assert result["classical_applicable"] is False
    assert result["standard_table_profile"] == "pl9_reports_all_dasha_tables_v1"
    assert len(result["major"]) == 8