"""实例数据统计:复盘 KPI + 已实现盈亏曲线 API."""
from __future__ import annotations

from typing import Any, Callable

from flask import Flask, jsonify, request


def install_instance_data_stats(app: Flask, app_module: Any) -> None:
    get_db: Callable = app_module.get_db
    login_required = app_module.login_required

    @app.route("/api/instance/cash_curve")
    @login_required
    def api_instance_cash_curve():
        from lib.instance.instance_cash_sample_lib import query_realized_pnl_series_with_db

        range_key = (request.args.get("range") or "7d").strip()
        conn = get_db()
        try:
            return jsonify(query_realized_pnl_series_with_db(conn, range_key=range_key))
        except Exception as e:
            return jsonify({"ok": False, "msg": f"加载盈亏曲线失败: {e}"}), 500
        finally:
            conn.close()