"""user_trades: 交割单导入的实盘成交流水（K线买卖点数据源）

Revision ID: 20260815_04
Revises: 20260815_03
Create Date: 2026-08-15
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "20260815_04"
down_revision: Union[str, Sequence[str], None] = "20260815_03"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "user_trades",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("user_id", sa.BigInteger(), nullable=False),
        sa.Column("ts_code", sa.String(length=12), nullable=False),
        sa.Column("code", sa.String(length=10), nullable=False),
        sa.Column("name", sa.String(length=32), nullable=True),
        sa.Column("trade_date", sa.Date(), nullable=False),
        sa.Column("direction", sa.String(length=4), nullable=False),
        sa.Column("price", sa.Float(), nullable=True),
        sa.Column("qty", sa.Float(), nullable=False),
        sa.Column("amount", sa.Float(), nullable=True),
        sa.Column("fee", sa.Float(), nullable=False, server_default="0"),
        sa.Column("raw_json", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint(
            "user_id", "trade_date", "ts_code", "direction", "price", "qty",
            name="uq_user_trade_dedup",
        ),
    )
    op.create_index("ix_user_trades_user_id", "user_trades", ["user_id"])
    op.create_index("ix_user_trades_ts_code", "user_trades", ["ts_code"])
    op.create_index("ix_user_trades_trade_date", "user_trades", ["trade_date"])


def downgrade() -> None:
    op.drop_index("ix_user_trades_trade_date", table_name="user_trades")
    op.drop_index("ix_user_trades_ts_code", table_name="user_trades")
    op.drop_index("ix_user_trades_user_id", table_name="user_trades")
    op.drop_table("user_trades")