"""Add user authentication

Revision ID: c7f72154c90b
Revises: 097d427dfa07
Create Date: 2025-03-13 14:57:05.805469+00:00

"""
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 = 'c7f72154c90b'
down_revision: Union[str, None] = '097d427dfa07'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('sessions',
    sa.Column('id', sa.Uuid(), nullable=False),
    sa.Column('name', sa.String(), nullable=True),
    sa.Column('refresh_token', sa.String(), nullable=False),
    sa.Column('last_used', sa.DateTime(timezone=True), nullable=True),
    sa.Column('user_id', sa.Uuid(), nullable=False),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_sessions_refresh_token'), 'sessions', ['refresh_token'], unique=True)
    op.create_index(op.f('ix_sessions_user_id'), 'sessions', ['user_id'], unique=False)

    op.add_column('users', sa.Column('email', sa.String(), nullable=True))
    op.add_column('users', sa.Column('password', sa.String(), nullable=True))

    role_enum = postgresql.ENUM('MEMBER', 'ADMINISTRATOR', name='role')
    role_enum.create(op.get_bind(), checkfirst=False)
    op.add_column('users', sa.Column('role', type_=role_enum, nullable=True))

    op.execute('UPDATE users SET email = id || \'@example.com\'')
    op.execute('UPDATE users SET password = \'invalid\'')
    op.execute('UPDATE users SET role = \'MEMBER\'')

    with op.batch_alter_table('users', schema=None) as batch_op:
        batch_op.alter_column('email', nullable=False)
        batch_op.alter_column('password', nullable=False)
        batch_op.alter_column('role', nullable=False)
        
    op.drop_index('ix_users_friendly_name', table_name='users')
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.create_index('ix_users_friendly_name', 'users', ['friendly_name'], unique=1)
    op.drop_column('users', 'role')
    op.drop_column('users', 'password')
    op.drop_column('users', 'email')
    op.drop_index(op.f('ix_sessions_user_id'), table_name='sessions')
    op.drop_index(op.f('ix_sessions_refresh_token'), table_name='sessions')
    op.drop_table('sessions')
    # ### end Alembic commands ###