"""策略交易相关表结构（各所 crypto.db 共用 schema）。"""

ROLL_GROUPS_SQL = """
CREATE TABLE IF NOT EXISTS roll_groups (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    order_monitor_id INTEGER,
    symbol TEXT NOT NULL,
    exchange_symbol TEXT,
    direction TEXT NOT NULL,
    initial_take_profit REAL,
    initial_stop_loss REAL,
    current_stop_loss REAL,
    risk_percent REAL DEFAULT 2,
    leg_count INTEGER DEFAULT 0,
    status TEXT DEFAULT 'active',
    created_at TEXT,
    updated_at TEXT
)
"""

ROLL_LEGS_SQL = """
CREATE TABLE IF NOT EXISTS roll_legs (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    roll_group_id INTEGER NOT NULL,
    leg_index INTEGER NOT NULL,
    add_mode TEXT NOT NULL,
    fib_upper REAL,
    fib_lower REAL,
    limit_price REAL,
    fill_price REAL,
    amount REAL,
    new_stop_loss REAL,
    exchange_order_id TEXT,
    status TEXT DEFAULT 'filled',
    created_at TEXT,
    FOREIGN KEY (roll_group_id) REFERENCES roll_groups(id)
)
"""


def init_strategy_tables(conn) -> None:
    conn.execute(ROLL_GROUPS_SQL)
    conn.execute(ROLL_LEGS_SQL)