# Minimal test harness to inject a fake RIS payload into DebugPayloadRouter
import logging

logging.basicConfig(
    level=logging.DEBUG, format="%(asctime)s [%(levelname)s] %(name)s: %(message)s"
)

from target_simulator.gui.payload_router import DebugPayloadRouter
from target_simulator.analysis.simulation_state_hub import SimulationStateHub
import target_simulator.gui.payload_router as pr_mod


# Build fake ris target objects with expected attributes
class FakeRisTarget:
    def __init__(self, flags, x, y, z, heading):
        self.flags = flags
        self.x = x
        self.y = y
        self.z = z
        self.heading = heading


class FakeScenario:
    def __init__(self, timetag=123456789):
        self.timetag = timetag


class FakeParsed:
    def __init__(self, tgt_list):
        # parsed.tgt.tgt is iterated in payload_router
        self.tgt = type("T", (), {"tgt": tgt_list})()
        self.scenario = FakeScenario()

    @staticmethod
    def from_buffer_copy(payload):
        # This will be monkeypatched per-call by assigning a closure; but keep for safety
        raise RuntimeError("Should be monkeypatched")


# Prepare fake targets using your example headings (radians)
rads = [0.0, 1.5707964897155762, -3.141592502593994, -1.5707964897155762]
# Example positions (x,y,z) in meters approx; router expects M_TO_FT conversion inside
fake_targets = []
for i, h in enumerate(rads):
    # Set flags non-zero
    # Use x,y values that roughly match earlier logs (meters)
    x_m = 9600 + i * 6000
    y_m = 37000 - i * 5000
    z_m = 3048.0  # 10000 ft ~= 3048 m
    fake_targets.append(FakeRisTarget(flags=1, x=x_m, y=y_m, z=z_m, heading=h))

# Monkeypatch the SfpRisStatusPayload.from_buffer_copy in payload_router module
original_parser = pr_mod.SfpRisStatusPayload


def fake_from_buffer_copy(payload):
    return FakeParsed(fake_targets)


pr_mod.SfpRisStatusPayload = type(
    "P", (), {"from_buffer_copy": staticmethod(fake_from_buffer_copy)}
)

# Run the router handling
hub = SimulationStateHub()
router = DebugPayloadRouter(simulation_hub=hub, update_queue=None)

print("Invoking _handle_ris_status with fake payload...")
router._handle_ris_status(b"FAKE")

# Show hub contents and stored headings
for tid in range(len(rads)):
    hist = hub.get_target_history(tid)
    hdg = hub.get_real_heading(tid)
    print(
        f'TID {tid} -> history entries: sim={len(hist["simulated"]) if hist else 0} real={len(hist["real"]) if hist else 0}, heading_in_hub={hdg}'
    )

# Restore original parser symbol to avoid side effects
pr_mod.SfpRisStatusPayload = original_parser
print("Done")