"""
Data migration: seed Sign, Planet, AspectType, and HouseLabel tables.

These are stable astrological reference rows — never user-edited.
The data matches the constants in pyswiss/apps/charts/calc.py so that
the proxy view and D3 wheel share a single source of truth.
"""
from django.db import migrations


# ── Signs ────────────────────────────────────────────────────────────────────
# (order, name, symbol, element, modality, start_degree)
SIGNS = [
    (0,  'Aries',       '♈', 'Fire',  'Cardinal',   0.0),
    (1,  'Taurus',      '♉', 'Earth', 'Fixed',      30.0),
    (2,  'Gemini',      '♊', 'Air',   'Mutable',    60.0),
    (3,  'Cancer',      '♋', 'Water', 'Cardinal',   90.0),
    (4,  'Leo',         '♌', 'Fire',  'Fixed',     120.0),
    (5,  'Virgo',       '♍', 'Earth', 'Mutable',   150.0),
    (6,  'Libra',       '♎', 'Air',   'Cardinal',  180.0),
    (7,  'Scorpio',     '♏', 'Water', 'Fixed',     210.0),
    (8,  'Sagittarius', '♐', 'Fire',  'Mutable',   240.0),
    (9,  'Capricorn',   '♑', 'Earth', 'Cardinal',  270.0),
    (10, 'Aquarius',    '♒', 'Air',   'Fixed',     300.0),
    (11, 'Pisces',      '♓', 'Water', 'Mutable',   330.0),
]

# ── Planets ───────────────────────────────────────────────────────────────────
# (order, name, symbol)
PLANETS = [
    (0, 'Sun',     '☉'),
    (1, 'Moon',    '☽'),
    (2, 'Mercury', '☿'),
    (3, 'Venus',   '♀'),
    (4, 'Mars',    '♂'),
    (5, 'Jupiter', '♃'),
    (6, 'Saturn',  '♄'),
    (7, 'Uranus',  '♅'),
    (8, 'Neptune', '♆'),
    (9, 'Pluto',   '♇'),
]

# ── Aspect types ──────────────────────────────────────────────────────────────
# (name, symbol, angle, orb)  — mirrors ASPECTS constant in pyswiss calc.py
ASPECT_TYPES = [
    ('Conjunction', '☌',  0,   8.0),
    ('Sextile',     '⚹', 60,   6.0),
    ('Square',      '□', 90,   8.0),
    ('Trine',       '△', 120,  8.0),
    ('Opposition',  '☍', 180, 10.0),
]

# ── House labels (distinctions) ───────────────────────────────────────────────
# (number, name, keywords)
HOUSE_LABELS = [
    (1,  'Self',          'identity, appearance, first impressions'),
    (2,  'Worth',         'possessions, values, finances'),
    (3,  'Education',     'communication, siblings, short journeys'),
    (4,  'Family',        'home, roots, ancestry'),
    (5,  'Creation',      'creativity, romance, children, pleasure'),
    (6,  'Ritual',        'service, health, daily routines'),
    (7,  'Cooperation',   'partnerships, marriage, open enemies'),
    (8,  'Regeneration',  'transformation, shared resources, death'),
    (9,  'Enterprise',    'philosophy, travel, higher learning'),
    (10, 'Career',        'public life, reputation, authority'),
    (11, 'Reward',        'friends, groups, aspirations'),
    (12, 'Reprisal',      'hidden matters, karma, self-undoing'),
]


def forward(apps, schema_editor):
    Sign       = apps.get_model('epic', 'Sign')
    Planet     = apps.get_model('epic', 'Planet')
    AspectType = apps.get_model('epic', 'AspectType')
    HouseLabel = apps.get_model('epic', 'HouseLabel')

    for order, name, symbol, element, modality, start_degree in SIGNS:
        Sign.objects.create(
            order=order, name=name, symbol=symbol,
            element=element, modality=modality, start_degree=start_degree,
        )

    for order, name, symbol in PLANETS:
        Planet.objects.create(order=order, name=name, symbol=symbol)

    for name, symbol, angle, orb in ASPECT_TYPES:
        AspectType.objects.create(name=name, symbol=symbol, angle=angle, orb=orb)

    for number, name, keywords in HOUSE_LABELS:
        HouseLabel.objects.create(number=number, name=name, keywords=keywords)


def reverse(apps, schema_editor):
    for model_name in ('Sign', 'Planet', 'AspectType', 'HouseLabel'):
        apps.get_model('epic', model_name).objects.all().delete()


class Migration(migrations.Migration):

    dependencies = [
        ('epic', '0032_astro_reference_tables'),
    ]

    operations = [
        migrations.RunPython(forward, reverse_code=reverse),
    ]