"""message reactions

Revision ID: 1d355add7299
Revises: c610bdb04567
Create Date: 2026-08-14 12:59:40.013407

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '1d355add7299'
down_revision: Union[str, Sequence[str], None] = 'c610bdb04567'
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('message_reactions',
    sa.Column('id', sa.Uuid(), nullable=False),
    sa.Column('message_id', sa.Uuid(), nullable=False),
    sa.Column('user_id', sa.Uuid(), nullable=False),
    sa.Column('emoji', sa.String(length=32), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['message_id'], ['messages.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('message_id', 'user_id', 'emoji', name='uq_message_reactions_message_user_emoji')
    )
    op.create_index(op.f('ix_message_reactions_message_id'), 'message_reactions', ['message_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_message_reactions_message_id'), table_name='message_reactions')
    op.drop_table('message_reactions')
    # ### end Alembic commands ###