"""Seed 'Default' (unrotated) render position for all existing products.

Revision ID: 030
Revises: 029
Create Date: 2026-03-04
"""
from alembic import op

revision = "030"
down_revision = "029"
branch_labels = None
depends_on = None


def upgrade():
    # Add 'Default' (0°/0°/0°) to every product that doesn't already have it.
    op.execute("""
        INSERT INTO product_render_positions
            (id, product_id, name, rotation_x, rotation_y, rotation_z,
             is_default, sort_order, created_at, updated_at)
        SELECT gen_random_uuid(), p.id,
               'Default', 0.0, 0.0, 0.0, false, 2, NOW(), NOW()
        FROM products p
        WHERE NOT EXISTS (
            SELECT 1 FROM product_render_positions rp
            WHERE rp.product_id = p.id
              AND lower(rp.name) = 'default'
        )
    """)


def downgrade():
    op.execute("""
        DELETE FROM product_render_positions
        WHERE lower(name) = 'default'
          AND rotation_x = 0.0
          AND rotation_y = 0.0
          AND rotation_z = 0.0
    """)