#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""verify_e2e.py — 收尾 E2E: 回测入口 read_db_daily 读 dbbardata 验证。

方案A 数据层落地后, 确认回测能读到:
- 在市股(600519) 日线到 2026-07-22
- 退市股(000005) 日线(治幸存者偏差, 迁移前 dbbardata 没有)
- ETF(510300) 日线(xtata 源保留)
"""
import sys
sys.path.insert(0, r"C:\sanguo_vnpy_v2")
from sanguo_data.config import load_config
from sanguo_data.datareader import read_db_daily

cfg = load_config(r"C:\sanguo_vnpy_v2\config\data_platform.yaml")
print("vnpy_db:", cfg.data_paths["vnpy_db"])

for sym, label, start, end in [
    ("600519", "在市", "2026-07-01", "2026-07-22"),
    ("000005", "退市(治偏差)", "2024-01-01", "2024-04-30"),
    ("510300", "ETF", "2026-07-01", "2026-07-22"),
]:
    bars = read_db_daily(sym, start, end, cfg)
    last = bars[-1].datetime.date() if bars else "NONE"
    print(f"  {sym}({label}): bars={len(bars)} last={last}")

print("E2E DBBARDATA OK")