"""Add Sprint 9 segmentation foundation."""

from alembic import op
import sqlalchemy as sa
from geoalchemy2 import Geometry


revision = "202606120900"
down_revision = "202606120800"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "segmentations",
        sa.Column("id", sa.UUID(as_uuid=True), primary_key=True),
        sa.Column("project_id", sa.UUID(as_uuid=True), sa.ForeignKey("projects.id", ondelete="CASCADE"), nullable=False),
        sa.Column("dataset_id", sa.UUID(as_uuid=True), sa.ForeignKey("datasets.id", ondelete="SET NULL"), nullable=True),
        sa.Column("job_id", sa.UUID(as_uuid=True), sa.ForeignKey("jobs.id", ondelete="SET NULL"), nullable=True),
        sa.Column("analysis_run_id", sa.UUID(as_uuid=True), sa.ForeignKey("analysis_runs.id", ondelete="SET NULL"), nullable=True),
        sa.Column("model_name", sa.String(length=255), nullable=False),
        sa.Column("model_version", sa.String(length=120), nullable=True),
        sa.Column("class_name", sa.String(length=120), nullable=False),
        sa.Column("confidence", sa.Float(), nullable=True),
        sa.Column("geometry", Geometry("MultiPolygon", srid=4326, spatial_index=False), nullable=False),
        sa.Column("bbox_json", sa.JSON(), nullable=True),
        sa.Column("area_m2", sa.Float(), nullable=True),
        sa.Column("mask_path", sa.Text(), nullable=True),
        sa.Column("source_tile_path", sa.String(length=500), nullable=True),
        sa.Column("tile_index", sa.Integer(), nullable=True),
        sa.Column("properties_json", sa.JSON(), nullable=True),
        sa.Column("provenance_json", sa.JSON(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("NOW()"), nullable=False),
    )
    op.create_index("ix_segmentations_project_id", "segmentations", ["project_id"])
    op.create_index("ix_segmentations_dataset_id", "segmentations", ["dataset_id"])
    op.create_index("ix_segmentations_analysis_run_id", "segmentations", ["analysis_run_id"])
    op.create_index("ix_segmentations_job_id", "segmentations", ["job_id"])
    op.create_index("ix_segmentations_class_name", "segmentations", ["class_name"])
    op.create_index("ix_segmentations_geometry", "segmentations", ["geometry"], postgresql_using="gist")


def downgrade() -> None:
    op.drop_index("ix_segmentations_geometry", table_name="segmentations", postgresql_using="gist")
    op.drop_index("ix_segmentations_class_name", table_name="segmentations")
    op.drop_index("ix_segmentations_job_id", table_name="segmentations")
    op.drop_index("ix_segmentations_analysis_run_id", table_name="segmentations")
    op.drop_index("ix_segmentations_dataset_id", table_name="segmentations")
    op.drop_index("ix_segmentations_project_id", table_name="segmentations")
    op.drop_table("segmentations")