"""comparison_milestone_claim table (比价战绩里程碑领取记录)

Revision ID: d4e5f6a7b8c9
Revises: c3d4e5f6a7b8
Create Date: 2026-05-31 18:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'd4e5f6a7b8c9'
down_revision: Union[str, Sequence[str], None] = 'c3d4e5f6a7b8'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        'comparison_milestone_claim',
        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
        sa.Column('user_id', sa.Integer(), nullable=False),
        sa.Column('milestone', sa.Integer(), nullable=False),
        sa.Column('coin_awarded', sa.Integer(), nullable=False),
        sa.Column('claimed_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=False),
        sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('user_id', 'milestone', name='uq_compare_milestone_user'),
    )
    with op.batch_alter_table('comparison_milestone_claim', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_comparison_milestone_claim_user_id'), ['user_id'], unique=False)


def downgrade() -> None:
    with op.batch_alter_table('comparison_milestone_claim', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_comparison_milestone_claim_user_id'))

    op.drop_table('comparison_milestone_claim')
