"""initial migration - create notes table

Revision ID: 001
Revises:
Create Date: 2023-11-01

"""
import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = '001'
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create notes table
    op.create_table(
        'notes',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('title', sa.String(length=255), nullable=False),
        sa.Column('content', sa.Text(), nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True),
                 server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True),
                 server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
        sa.PrimaryKeyConstraint('id')
    )

    # Create index on title for faster lookups
    op.create_index(op.f('ix_notes_id'), 'notes', ['id'], unique=False)
    op.create_index(op.f('ix_notes_title'), 'notes', ['title'], unique=False)


def downgrade() -> None:
    # Drop indexes
    op.drop_index(op.f('ix_notes_title'), table_name='notes')
    op.drop_index(op.f('ix_notes_id'), table_name='notes')

    # Drop table
    op.drop_table('notes')