"""Add User, Group, UserGroup models

Revision ID: 85a3c075e73a
Revises: c6cbef99588b
Create Date: 2025-03-30 12:46:07.322285

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '85a3c075e73a'
down_revision: Union[str, None] = 'c6cbef99588b'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('users',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('email', sa.String(), nullable=False),
    sa.Column('password_hash', sa.String(), nullable=False),
    sa.Column('name', sa.String(), nullable=True),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
    op.create_index(op.f('ix_users_name'), 'users', ['name'], unique=False)
    op.create_table('groups',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('created_by_id', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['created_by_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_groups_id'), 'groups', ['id'], unique=False)
    op.create_index(op.f('ix_groups_name'), 'groups', ['name'], unique=False)
    op.create_table('user_groups',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('group_id', sa.Integer(), nullable=False),
    sa.Column('role', sa.Enum('owner', 'member', name='userroleenum'), nullable=False),
    sa.Column('joined_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('user_id', 'group_id', name='uq_user_group')
    )
    op.create_index(op.f('ix_user_groups_id'), 'user_groups', ['id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_user_groups_id'), table_name='user_groups')
    op.drop_table('user_groups')
    op.drop_index(op.f('ix_groups_name'), table_name='groups')
    op.drop_index(op.f('ix_groups_id'), table_name='groups')
    op.drop_table('groups')
    op.drop_index(op.f('ix_users_name'), table_name='users')
    op.drop_index(op.f('ix_users_id'), table_name='users')
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.drop_table('users')
    # ### end Alembic commands ###