"""add setup projection fields to studies and sites

Revision ID: 20260213_02
Revises: 20260213_01
Create Date: 2026-02-13 16:30:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = "20260213_02"
down_revision: Union[str, None] = "20260213_01"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    bind = op.get_bind()
    inspector = sa.inspect(bind)

    study_columns = {col["name"] for col in inspector.get_columns("studies")}
    if "enrollment_monthly_goal_note" not in study_columns:
        op.add_column("studies", sa.Column("enrollment_monthly_goal_note", sa.Text(), nullable=True))
    if "enrollment_stage_breakdown" not in study_columns:
        op.add_column("studies", sa.Column("enrollment_stage_breakdown", sa.Text(), nullable=True))
    if "summary_note" not in study_columns:
        op.add_column("studies", sa.Column("summary_note", sa.Text(), nullable=True))
    if "objective_note" not in study_columns:
        op.add_column("studies", sa.Column("objective_note", sa.Text(), nullable=True))

    site_columns = {col["name"] for col in inspector.get_columns("sites")}
    if "enrollment_plan_start_date" not in site_columns:
        op.add_column("sites", sa.Column("enrollment_plan_start_date", sa.Date(), nullable=True))
    if "enrollment_plan_end_date" not in site_columns:
        op.add_column("sites", sa.Column("enrollment_plan_end_date", sa.Date(), nullable=True))
    if "enrollment_plan_note" not in site_columns:
        op.add_column("sites", sa.Column("enrollment_plan_note", sa.Text(), nullable=True))


def downgrade() -> None:
    bind = op.get_bind()
    inspector = sa.inspect(bind)

    site_columns = {col["name"] for col in inspector.get_columns("sites")}
    if "enrollment_plan_note" in site_columns:
        op.drop_column("sites", "enrollment_plan_note")
    if "enrollment_plan_end_date" in site_columns:
        op.drop_column("sites", "enrollment_plan_end_date")
    if "enrollment_plan_start_date" in site_columns:
        op.drop_column("sites", "enrollment_plan_start_date")

    study_columns = {col["name"] for col in inspector.get_columns("studies")}
    if "objective_note" in study_columns:
        op.drop_column("studies", "objective_note")
    if "summary_note" in study_columns:
        op.drop_column("studies", "summary_note")
    if "enrollment_stage_breakdown" in study_columns:
        op.drop_column("studies", "enrollment_stage_breakdown")
    if "enrollment_monthly_goal_note" in study_columns:
        op.drop_column("studies", "enrollment_monthly_goal_note")