-- v015_features.sql -- Tests for v0.15.0: constellation_full_name + rise_set_status
--
-- Verifies the constellation full name lookup and the rise/set
-- status diagnostic functions.
CREATE EXTENSION IF NOT EXISTS pg_orrery;

-- ============================================================
-- constellation_full_name: known abbreviations
-- ============================================================

SELECT constellation_full_name('Ari') AS aries;
SELECT constellation_full_name('CMa') AS canis_major;
SELECT constellation_full_name('UMi') AS ursa_minor;
SELECT constellation_full_name('Ori') AS orion;
SELECT constellation_full_name('Cyg') AS cygnus;
SELECT constellation_full_name('Oct') AS octans;
SELECT constellation_full_name('TrA') AS tri_australe;

-- ============================================================
-- constellation_full_name: composability with constellation()
-- ============================================================

-- Chain: equatorial -> abbreviation -> full name
SELECT constellation_full_name(constellation(2.5303, 89.264)) AS polaris_full;
SELECT constellation_full_name(constellation(6.7525, -16.716)) AS sirius_full;

-- Chain with planet equatorial
SELECT constellation_full_name(
    constellation(planet_equatorial(5, '2024-01-15 12:00:00+00'::timestamptz))
) AS jupiter_full;

-- ============================================================
-- constellation_full_name: NULL for invalid abbreviation
-- ============================================================

SELECT constellation_full_name('XYZ') IS NULL AS invalid_returns_null;
SELECT constellation_full_name('') IS NULL AS empty_returns_null;
SELECT constellation_full_name('Toolong') IS NULL AS toolong_returns_null;

-- ============================================================
-- constellation_full_name: all 88 are reachable (count check)
-- ============================================================

-- Use generate_series to count distinct full names from the
-- known constellation abbreviations via a spot check
SELECT count(DISTINCT constellation_full_name(abbr)) = 7
    AS spot_check_7_names
FROM (VALUES ('Ari'), ('CMa'), ('UMi'), ('Ori'), ('Cyg'), ('Oct'), ('TrA')) AS t(abbr);

-- ============================================================
-- sun_rise_set_status: mid-latitude (Eagle, Idaho) in winter
-- Sun rises and sets normally
-- ============================================================

SELECT sun_rise_set_status('(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz)
    AS sun_status_midlat;

-- ============================================================
-- sun_rise_set_status: 70N in June (midnight sun)
-- ============================================================

SELECT sun_rise_set_status('(70.0,25.0,0)'::observer, '2024-06-21 00:00:00+00'::timestamptz)
    AS sun_status_midnight_sun;

-- ============================================================
-- sun_rise_set_status: 70N in December (polar night)
-- ============================================================

SELECT sun_rise_set_status('(70.0,25.0,0)'::observer, '2024-12-21 00:00:00+00'::timestamptz)
    AS sun_status_polar_night;

-- ============================================================
-- moon_rise_set_status: mid-latitude — Moon normally rises/sets
-- ============================================================

SELECT moon_rise_set_status('(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz)
    AS moon_status_midlat;

-- ============================================================
-- planet_rise_set_status: Jupiter from mid-latitude (normal)
-- ============================================================

SELECT planet_rise_set_status(5, '(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz)
    AS jupiter_status_midlat;

-- ============================================================
-- Consistency: status matches rise/set NULL contract
-- ============================================================

-- When sun_next_set returns NULL (circumpolar), status should say so
SELECT sun_next_set('(70.0,25.0,0)'::observer, '2024-06-21 00:00:00+00'::timestamptz) IS NULL
    AS sun_no_set_null;
SELECT sun_rise_set_status('(70.0,25.0,0)'::observer, '2024-06-21 00:00:00+00'::timestamptz)
    = 'circumpolar' AS status_confirms_circumpolar;

-- When sun_next_rise returns NULL (polar night), status should say so
SELECT sun_next_rise('(70.0,25.0,0)'::observer, '2024-12-21 00:00:00+00'::timestamptz) IS NULL
    AS sun_no_rise_null;
SELECT sun_rise_set_status('(70.0,25.0,0)'::observer, '2024-12-21 00:00:00+00'::timestamptz)
    = 'never_rises' AS status_confirms_never_rises;

-- ============================================================
-- Error cases
-- ============================================================

-- Invalid body_id for planet_rise_set_status
DO $$ BEGIN PERFORM planet_rise_set_status(0, '(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz); EXCEPTION WHEN OTHERS THEN RAISE NOTICE 'body_id=0: %', SQLERRM; END $$;
DO $$ BEGIN PERFORM planet_rise_set_status(3, '(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz); EXCEPTION WHEN OTHERS THEN RAISE NOTICE 'body_id=3(Earth): %', SQLERRM; END $$;
DO $$ BEGIN PERFORM planet_rise_set_status(9, '(43.7,-116.4,800)'::observer, '2024-01-15 00:00:00+00'::timestamptz); EXCEPTION WHEN OTHERS THEN RAISE NOTICE 'body_id=9: %', SQLERRM; END $$;