"""add independent memos

Revision ID: 0017_memos
Revises: 0016_recurrence_trigger_modes
"""

import sqlalchemy as sa
from alembic import op

revision = "0017_memos"
down_revision = "0016_recurrence_trigger_modes"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "memos",
        sa.Column("id", sa.Uuid(), nullable=False),
        sa.Column("user_id", sa.Uuid(), nullable=False),
        sa.Column("title", sa.String(length=200), nullable=False),
        sa.Column("content", sa.Text(), nullable=False, server_default=""),
        sa.Column("version", sa.Integer(), nullable=False, server_default="1"),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.CheckConstraint("version >= 1", name="ck_memos_version_positive"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_memos_user_id", "memos", ["user_id"])
    op.create_index(
        "ix_memos_user_deleted_updated", "memos", ["user_id", "deleted_at", "updated_at", "id"]
    )


def downgrade() -> None:
    op.drop_index("ix_memos_user_deleted_updated", table_name="memos")
    op.drop_index("ix_memos_user_id", table_name="memos")
    op.drop_table("memos")