"""add notifications

Revision ID: 4080314c8f5a
Revises: b1f09d977759
Create Date: 2026-03-07 16:16:30.792790

"""
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 = '4080314c8f5a'
down_revision: Union[str, Sequence[str], None] = 'b1f09d977759'
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! ###
    group_member_role_enum = postgresql.ENUM(
        'MANAGER',
        'MEMBER',
        name='group_member_role'
    )
    group_member_role_enum.create(op.get_bind(), checkfirst=True)

    op.create_table('notifications',
    sa.Column('title', sa.String(length=200), nullable=False),
    sa.Column('description', sa.Text(), nullable=True),
    sa.Column('type', sa.Enum('PUBLIC', 'JOIN_REQUEST', name='notification_type'), nullable=False),
    sa.Column('is_accepted', sa.Boolean(), nullable=True),
    sa.Column('receiver_id', sa.UUID(), nullable=False),
    sa.Column('sender_id', sa.UUID(), nullable=True),
    sa.Column('group_id', sa.UUID(), nullable=True),
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['receiver_id'], ['users.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['sender_id'], ['users.id'], ondelete='SET NULL'),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_notifications_receiver_id'), 'notifications', ['receiver_id'], unique=False)
    op.add_column(
        'group_members',
        sa.Column(
            'role',
            sa.Enum('MANAGER', 'MEMBER', name='group_member_role'),
            nullable=False,
            server_default='MEMBER'
        )
    )
    op.alter_column('group_members', 'role', server_default=None)
    op.add_column('users', sa.Column('is_admin', sa.Boolean(), nullable=False, server_default=sa.false()))
    op.add_column('users', sa.Column('phone_number', sa.String(length=11), nullable=True))
    op.add_column('users', sa.Column('token_version', sa.Integer(), nullable=False, server_default='1'))
    op.alter_column('users', 'is_admin', server_default=None)
    op.alter_column('users', 'token_version', server_default=None)
    op.drop_index(op.f('ix_users_role'), table_name='users')
    op.create_index(op.f('ix_users_is_admin'), 'users', ['is_admin'], unique=False)
    op.create_index(op.f('ix_users_phone_number'), 'users', ['phone_number'], unique=True)
    op.drop_column('users', 'role')
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('users', sa.Column('role', postgresql.ENUM('ADMIN', 'GROUP_MANAGER', 'MEMBER', name='user_role'), autoincrement=False, nullable=False))
    op.drop_index(op.f('ix_users_phone_number'), table_name='users')
    op.drop_index(op.f('ix_users_is_admin'), table_name='users')
    op.create_index(op.f('ix_users_role'), 'users', ['role'], unique=False)
    op.drop_column('users', 'token_version')
    op.drop_column('users', 'phone_number')
    op.drop_column('users', 'is_admin')
    op.drop_column('group_members', 'role')
    postgresql.ENUM(
        'MANAGER',
        'MEMBER',
        name='group_member_role'
    ).drop(op.get_bind(), checkfirst=True)
    op.drop_index(op.f('ix_notifications_receiver_id'), table_name='notifications')
    op.drop_table('notifications')
    # ### end Alembic commands ###