"""add system_activity_logs table

Revision ID: a2b3c4d5e6f7
Revises: d1e2f3a4b5c6
Create Date: 2026-03-21 10:00:00.000000
"""
from alembic import op
import sqlalchemy as sa

revision = 'a2b3c4d5e6f7'
down_revision = ('d1e2f3a4b5c6', 'prd002_drop_tilled_id')
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        'system_activity_logs',
        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
        sa.Column('merchant_id', sa.Integer(), nullable=False),
        sa.Column('event_type', sa.String(100), nullable=False),
        sa.Column('event_category', sa.String(50), nullable=False),
        sa.Column('description', sa.Text(), nullable=False),
        sa.Column('actor_type', sa.String(50), nullable=False),
        sa.Column('actor_id', sa.Integer(), nullable=True),
        sa.Column('actor_name', sa.String(255), nullable=True),
        sa.Column('reference_type', sa.String(50), nullable=True),
        sa.Column('reference_id', sa.String(255), nullable=True),
        sa.Column('metadata', sa.JSON(), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
        sa.ForeignKeyConstraint(['merchant_id'], ['merchants.id'], ),
        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index('ix_sal_merchant_id', 'system_activity_logs', ['merchant_id'])
    op.create_index('ix_sal_event_category', 'system_activity_logs', ['event_category'])
    op.create_index('ix_sal_created_at', 'system_activity_logs', ['created_at'])


def downgrade() -> None:
    op.drop_index('ix_sal_created_at', 'system_activity_logs')
    op.drop_index('ix_sal_event_category', 'system_activity_logs')
    op.drop_index('ix_sal_merchant_id', 'system_activity_logs')
    op.drop_table('system_activity_logs')