"""initial_schema

Revision ID: a1b2c3d4e5f6
Revises:
Create Date: 2025-10-02 17:45:00.000000+02:00

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = 'a1b2c3d4e5f6'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # Create demo_sessions table
    op.create_table('demo_sessions',
        sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
        sa.Column('session_id', sa.String(length=100), nullable=False),
        sa.Column('user_id', postgresql.UUID(as_uuid=True), nullable=True),
        sa.Column('ip_address', sa.String(length=45), nullable=True),
        sa.Column('user_agent', sa.String(length=500), nullable=True),
        sa.Column('base_demo_tenant_id', postgresql.UUID(as_uuid=True), nullable=False),
        sa.Column('virtual_tenant_id', postgresql.UUID(as_uuid=True), nullable=False),
        sa.Column('demo_account_type', sa.String(length=50), nullable=False),
        sa.Column('status', sa.Enum('active', 'expired', 'destroyed', name='demosessionstatus'), nullable=True),
        sa.Column('created_at', sa.DateTime(timezone=True), nullable=True),
        sa.Column('expires_at', sa.DateTime(timezone=True), nullable=False),
        sa.Column('last_activity_at', sa.DateTime(timezone=True), nullable=True),
        sa.Column('destroyed_at', sa.DateTime(timezone=True), nullable=True),
        sa.Column('request_count', sa.Integer(), nullable=True),
        sa.Column('data_cloned', sa.Boolean(), nullable=True),
        sa.Column('redis_populated', sa.Boolean(), nullable=True),
        sa.Column('session_metadata', postgresql.JSONB(astext_type=sa.Text()), nullable=True),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('session_id')
    )

    # Create indexes
    op.create_index(op.f('ix_demo_sessions_session_id'), 'demo_sessions', ['session_id'], unique=False)
    op.create_index(op.f('ix_demo_sessions_base_demo_tenant_id'), 'demo_sessions', ['base_demo_tenant_id'], unique=False)
    op.create_index(op.f('ix_demo_sessions_virtual_tenant_id'), 'demo_sessions', ['virtual_tenant_id'], unique=False)
    op.create_index(op.f('ix_demo_sessions_status'), 'demo_sessions', ['status'], unique=False)
    op.create_index(op.f('ix_demo_sessions_created_at'), 'demo_sessions', ['created_at'], unique=False)
    op.create_index(op.f('ix_demo_sessions_expires_at'), 'demo_sessions', ['expires_at'], unique=False)


def downgrade() -> None:
    # Drop indexes
    op.drop_index(op.f('ix_demo_sessions_expires_at'), table_name='demo_sessions')
    op.drop_index(op.f('ix_demo_sessions_created_at'), table_name='demo_sessions')
    op.drop_index(op.f('ix_demo_sessions_status'), table_name='demo_sessions')
    op.drop_index(op.f('ix_demo_sessions_virtual_tenant_id'), table_name='demo_sessions')
    op.drop_index(op.f('ix_demo_sessions_base_demo_tenant_id'), table_name='demo_sessions')
    op.drop_index(op.f('ix_demo_sessions_session_id'), table_name='demo_sessions')

    # Drop table (this will automatically drop the enum if it's only used here)
    op.drop_table('demo_sessions')