from signalcanvas_graph_based_market_signal_s.delta_sync import (
    create_plan_delta,
    reconcile_runs,
    sign_delta,
)


def test_plan_delta_signature_and_reconciliation():
    plan_id = "plan-xyz"
    delta1 = {"AAPL": 1.0}
    delta2 = {"AAPL": -0.25, "MSFT": 0.75}
    version1 = 1
    signer = "integration-signer"

    # Create two deltas with signatures
    pd1 = create_plan_delta(plan_id, delta1, version1, signer)
    assert isinstance(pd1.signature, str) and len(pd1.signature) > 0

    pd2 = create_plan_delta(plan_id, delta2, version1 + 1, signer)
    assert isinstance(pd2.signature, str) and len(pd2.signature) > 0

    # Reconcile as if two partitions produced deltas
    merged = reconcile_runs([pd1], [pd2])
    # AAPL: 1.0 + (-0.25) = 0.75
    # MSFT: 0.75
    assert abs(merged["AAPL"] - 0.75) < 1e-9
    assert abs(merged["MSFT"] - 0.75) < 1e-9