"""Create tables

Revision ID: 0d3f7039ba77
Revises: 7ad624ae1699
Create Date: 2026-01-12 15:51:43.453822

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '0d3f7039ba77'
down_revision: Union[str, Sequence[str], None] = '7ad624ae1699'
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('chat',
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('is_group', sa.Boolean(), nullable=False),
    sa.Column('last_message', sa.String(), nullable=True),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id', name=op.f('chat_pkey'))
    )
    op.create_index(op.f('chat_id_idx'), 'chat', ['id'], unique=False)
    op.create_table('user',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('display_name', sa.String(), nullable=False),
    sa.Column('username', sa.String(), nullable=False),
    sa.Column('email', sa.String(), nullable=False),
    sa.Column('birth_day', sa.DATE(), nullable=True),
    sa.Column('description', sa.String(), nullable=True),
    sa.Column('avatar_url', sa.String(), nullable=True),
    sa.Column('is_active', sa.Boolean(), nullable=False),
    sa.Column('is_verified', sa.Boolean(), nullable=False),
    sa.Column('is_superuser', sa.Boolean(), nullable=False),
    sa.Column('hashed_password', sa.String(), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id', name=op.f('user_pkey'))
    )
    op.create_index(op.f('user_email_idx'), 'user', ['email'], unique=True)
    op.create_index(op.f('user_id_idx'), 'user', ['id'], unique=False)
    op.create_index(op.f('user_username_idx'), 'user', ['username'], unique=True)
    op.create_table('Participant',
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('chat_id', sa.UUID(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['chat_id'], ['chat.id'], name=op.f('Participant_chat_id_fkey'), ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['user_id'], ['user.id'], name=op.f('Participant_user_id_fkey'), ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id', name=op.f('Participant_pkey')),
    sa.UniqueConstraint('chat_id', 'user_id', name='uq_chat_user')
    )
    op.create_index(op.f('Participant_chat_id_idx'), 'Participant', ['chat_id'], unique=False)
    op.create_index(op.f('Participant_id_idx'), 'Participant', ['id'], unique=False)
    op.create_index(op.f('Participant_user_id_idx'), 'Participant', ['user_id'], unique=False)
    op.create_table('message',
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('sender_id', sa.Integer(), nullable=False),
    sa.Column('chat_id', sa.UUID(), nullable=False),
    sa.Column('content', sa.String(), nullable=False),
    sa.Column('is_read', sa.Boolean(), nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['chat_id'], ['chat.id'], name=op.f('message_chat_id_fkey'), ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['sender_id'], ['user.id'], name=op.f('message_sender_id_fkey'), ondelete='SET NULL'),
    sa.PrimaryKeyConstraint('id', name=op.f('message_pkey'))
    )
    op.create_index(op.f('message_chat_id_idx'), 'message', ['chat_id'], unique=False)
    op.create_index(op.f('message_id_idx'), 'message', ['id'], unique=False)
    op.create_index(op.f('message_sender_id_idx'), 'message', ['sender_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('message_sender_id_idx'), table_name='message')
    op.drop_index(op.f('message_id_idx'), table_name='message')
    op.drop_index(op.f('message_chat_id_idx'), table_name='message')
    op.drop_table('message')
    op.drop_index(op.f('Participant_user_id_idx'), table_name='Participant')
    op.drop_index(op.f('Participant_id_idx'), table_name='Participant')
    op.drop_index(op.f('Participant_chat_id_idx'), table_name='Participant')
    op.drop_table('Participant')
    op.drop_index(op.f('user_username_idx'), table_name='user')
    op.drop_index(op.f('user_id_idx'), table_name='user')
    op.drop_index(op.f('user_email_idx'), table_name='user')
    op.drop_table('user')
    op.drop_index(op.f('chat_id_idx'), table_name='chat')
    op.drop_table('chat')
    # ### end Alembic commands ###