"""add user resource capacity config

Revision ID: 78fb32c26a6e
Revises: n123456789ab
Create Date: 2026-06-29 13:05:45.888522
"""
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 = '78fb32c26a6e'
down_revision: Union[str, None] = 'n123456789ab'
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('user_resource_capacity_configs',
    sa.Column('id', sa.String(length=32), nullable=False),
    sa.Column('user_id', sa.String(length=32), nullable=False, comment='用户ID'),
    sa.Column('enabled', sa.Boolean(), server_default='false', nullable=False, comment='是否启用该用户个人容量限制'),
    sa.Column('limit_value', sa.Numeric(precision=18, scale=3), server_default='1', nullable=False, comment='容量数值，最小1，最多3位小数'),
    sa.Column('limit_unit', sa.String(length=8), server_default='GB', nullable=False, comment='容量单位：MB/GB/TB'),
    sa.Column('limit_bytes', sa.BigInteger(), server_default='1073741824', nullable=False, comment='换算后的容量字节数'),
    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(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('user_id', name='uq_user_resource_capacity_configs_user')
    )
    op.create_index(op.f('ix_user_resource_capacity_configs_user_id'), 'user_resource_capacity_configs', ['user_id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_user_resource_capacity_configs_user_id'), table_name='user_resource_capacity_configs')
    op.drop_table('user_resource_capacity_configs')
    # ### end Alembic commands ###