import sys
from pathlib import Path
sys.path.append(str(Path("backend").resolve()))
from nifty_backend.runtime import update_live_accuracy, TPLUS1_LATEST_PATH, NIFTY_1M_PATH, latest_parquet_date, NIFTY_1D_PATH
import pandas as pd
from datetime import date

latest_date = latest_parquet_date(NIFTY_1D_PATH)
session_iso = latest_date.isoformat()
print(f"session_iso: {session_iso}")
try:
    t1_row = pd.read_csv(TPLUS1_LATEST_PATH).iloc[-1].to_dict()
    print("t1_row target:", str(t1_row.get("target_date", ""))[:10])
    if str(t1_row.get("target_date", ""))[:10] == session_iso:
        pred = str(t1_row.get("prediction", "")).upper()
        input_date_str = str(t1_row.get("input_date", ""))[:10]
        input_day = date.fromisoformat(input_date_str)
        print("input day:", input_day)
        minute = pd.read_parquet(NIFTY_1M_PATH, columns=["date", "close"])
        minute["dt"] = pd.to_datetime(minute["date"], errors="coerce")
        minute = minute.dropna(subset=["dt"])
        minute["session_date"] = minute["dt"].dt.normalize()
        minute["time_str"] = minute["dt"].dt.strftime("%H:%M")
        window = minute[
            (minute["session_date"].dt.date == input_day)
            & (minute["time_str"] >= "14:00")
            & (minute["time_str"] <= "14:20")
        ].sort_values("dt")
        print("window len:", len(window))
        if not window.empty:
            w_close = float(window.iloc[-1]["close"])
            print("w_close:", w_close)
        else:
            print("window empty!")
            print("minute dates available:", minute["session_date"].dt.date.unique())
except Exception as e:
    import traceback
    traceback.print_exc()