"""add snippets table

Revision ID: c3a1f7b9d4e5
Revises: 47fc53fc0d2b
Create Date: 2026-02-07
"""
from alembic import op
import sqlalchemy as sa

revision = 'c3a1f7b9d4e5'
down_revision = '47fc53fc0d2b'
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        'snippets',
        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('name', sa.String(length=255), nullable=False),
        sa.Column('value', sa.Text(), nullable=False),
        sa.Column('visibility', sa.String(length=20), server_default='private', nullable=False),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('user_id', 'name', name='uq_snippets_user_name'),
    )
    op.create_index('ix_snippets_visibility', 'snippets', ['visibility'])


def downgrade() -> None:
    op.drop_index('ix_snippets_visibility', table_name='snippets')
    op.drop_table('snippets')