"""Add user authentication system

Revision ID: 002
Revises: 001
Create Date: 2024-01-01 11:00:00.000000

"""
from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision = '002'
down_revision = '001'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create users table
    op.create_table('users',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('username', sa.String(length=50), nullable=False),
        sa.Column('email', sa.String(length=100), nullable=False),
        sa.Column('password_hash', sa.String(length=255), nullable=False),
        sa.Column('role', sa.String(length=20), nullable=False),
        sa.Column('is_active', sa.Boolean(), nullable=False),
        sa.Column('created_at', sa.DateTime(), nullable=False),
        sa.Column('last_login', sa.DateTime(), nullable=True),
        sa.PrimaryKeyConstraint('id', name=op.f('pk_users'))
    )
    op.create_index('ix_users_email', 'users', ['email'], unique=True)
    op.create_index('ix_users_username', 'users', ['username'], unique=True)

    # Create user_favorites association table
    op.create_table('user_favorites',
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('game_id', sa.Integer(), nullable=False),
        sa.ForeignKeyConstraint(['game_id'], ['game.id'], name=op.f('fk_user_favorites_game_id_game'), ondelete='CASCADE'),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], name=op.f('fk_user_favorites_user_id_users'), ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('user_id', 'game_id', name=op.f('pk_user_favorites')),
        sa.UniqueConstraint('user_id', 'game_id', name=op.f('uq_user_favorites_user_id'))
    )


def downgrade() -> None:
    op.drop_table('user_favorites')
    op.drop_table('users')