"""GIST bbox indexes for events/fires map-pan queries.

Revision ID: 010_bbox_gist
Revises: 009_vessels
Create Date: 2026-09-01
"""

from alembic import op

revision = "010_bbox_gist"
down_revision = "009_vessels"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.execute(
        "CREATE INDEX IF NOT EXISTS ix_events_geom_gist ON events "
        "USING gist (ST_SetSRID(ST_MakePoint(location_lon, location_lat), 4326))"
    )
    op.execute(
        "CREATE INDEX IF NOT EXISTS ix_fires_geom_gist ON fires "
        "USING gist (ST_SetSRID(ST_MakePoint(longitude, latitude), 4326))"
    )


def downgrade() -> None:
    op.execute("DROP INDEX IF EXISTS ix_fires_geom_gist")
    op.execute("DROP INDEX IF EXISTS ix_events_geom_gist")