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

from datetime import datetime

from scripts.satabdika_dasha import calculate_satabdika_dasha, satabdika_applicability
from scripts.source_bounded_child_periods import PYJHORA_PARENT_SEEDED_EQUAL_SPLIT_PROFILE


def test_satabdika_requires_explicit_vargottama_lagna() -> None:
    assert satabdika_applicability(ascendant_longitude=5.0, navamsa_ascendant_sign_index=0)["applicable"]
    assert not satabdika_applicability(ascendant_longitude=5.0, navamsa_ascendant_sign_index=1)["applicable"]


def test_satabdika_requires_navamsa_input() -> None:
    result = calculate_satabdika_dasha({"birth_datetime": "2000-01-01T00:00:00", "ascendant_longitude": 5.0, "moon_longitude": 350.0})
    assert result["execution_status"] == "blocked"
    assert "navamsa_ascendant_sign_index" in result["reason"]


def test_satabdika_emits_only_source_bounded_md() -> None:
    result = calculate_satabdika_dasha({
        "birth_datetime": datetime(2000, 1, 1), "ascendant_longitude": 5.0,
        "navamsa_ascendant_sign_index": 0, "moon_longitude": 350.0,
    })
    assert result["execution_status"] == "executed"
    assert result["starting_lord"] == "Sun"  # Revati is the seed.
    assert result["total_cycle"] == 100
    assert result["period_depth_status"] == "mahadasha_executed_ad_pd_blocked_pending_row_level_replay"
    assert "antardasha" not in result["major"][0]


def test_satabdika_standard_table_profile_preserves_unmet_gate_but_emits_rows() -> None:
    result = calculate_satabdika_dasha({
        "birth_datetime": "2000-01-01T00:00:00",
        "ascendant_longitude": 5.0,
        "navamsa_ascendant_sign_index": 1,
        "moon_longitude": 350.0,
        "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"]) == 7


def test_satabdika_can_emit_pyjhora_observed_child_profile_when_explicit() -> None:
    result = calculate_satabdika_dasha({
        "birth_datetime": datetime(2000, 1, 1),
        "ascendant_longitude": 5.0,
        "navamsa_ascendant_sign_index": 0,
        "moon_longitude": 350.0,
        "child_period_profile": PYJHORA_PARENT_SEEDED_EQUAL_SPLIT_PROFILE,
    })

    first_md = result["major"][0]
    first_ad = first_md["antardasha"][0]
    first_pd = first_ad["pratyantardasha"][0]
    assert result["period_depth_status"] == "mahadasha_antardasha_pratyantardasha_executed_pyjhora_observed_profile"
    assert len(result["antardasha"]) == 49
    assert len(result["pratyantardasha"]) == 343
    assert first_ad["lord"] == first_md["lord"]
    assert first_pd["lord"] == first_ad["lord"]
    assert first_md["antardasha"][-1]["end_date"] == first_md["end_date"]