"""Diagnostic: confirm multi-symbol factor analysis produces real IC on real data.
Guarded entry for spawn-friendly multiprocessing. Throwaway."""
import sys
import os
import traceback

_VNPY_SRC = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "vnpy_v4.4.0"))
_REPO = os.path.dirname(_VNPY_SRC)
for _p in (_REPO, _VNPY_SRC):
    if _p not in sys.path:
        sys.path.insert(0, _p)


def main():
    import sanguo_factor  # registers built-in factors
    from sanguo_factor.registry import get_factor
    from sanguo_factor.analyzer import run_factor_analysis
    from sanguo_data.config import load_config

    print("ma5 registered:", get_factor("ma5") is not None)
    cfg = load_config("/app/config/data_platform.yaml")
    symbols = ["600000", "000001", "300750"]  # multi-symbol for cross-section
    print(f"symbols={symbols}  range=2024-01-01..2024-06-30")
    try:
        report = run_factor_analysis(
            symbols, ["ma5"], "2024-01-01", "2024-06-30", cfg,
            output_dir="/tmp/diag_factor",
        )
        print("=== ic_summary ===")
        print(report.ic_summary)
        print("=== report_paths ===")
        print(report.report_paths)
    except Exception:
        traceback.print_exc()


if __name__ == "__main__":
    main()