# tests/integration/test_loop_detector_replay.py
"""Tests intégration : un replay simulé qui boucle bascule en paused_need_help."""
import pytest
from unittest.mock import MagicMock

from agent_v0.server_v1.loop_detector import LoopDetector


def test_replay_state_transitions_to_paused_on_screen_static():
    """Cas : 4 screenshots identiques → replay passe à paused_need_help."""
    embedder = MagicMock()
    embedder.embed_image.return_value = [1.0, 0.0, 0.0]  # constant
    detector = LoopDetector(clip_embedder=embedder)

    state = {
        "replay_id": "r_test",
        "status": "running",
        "retried_actions": 0,
        "_screenshot_history": ["img1", "img2", "img3", "img4"],  # 4 images factices
        "_action_history": [
            {"type": "click", "x_pct": 0.1, "y_pct": 0.1},
            {"type": "type", "x_pct": 0.2, "y_pct": 0.2},
        ],
    }
    verdict = detector.evaluate(state, state["_screenshot_history"], state["_action_history"])

    # Simuler ce que ferait api_stream après verdict
    if verdict.detected:
        state["status"] = "paused_need_help"
        state["pause_reason"] = verdict.reason
        state["pause_message"] = f"signal={verdict.signal}"

    assert state["status"] == "paused_need_help"
    assert state["pause_reason"] == "loop_detected"
    assert "screen_static" in state["pause_message"]


def test_replay_state_transitions_on_action_repeat():
    """Cas : 3 actions identiques → paused_need_help signal action_repeat."""
    detector = LoopDetector(clip_embedder=None)
    actions = [{"type": "click", "x_pct": 0.5, "y_pct": 0.5}] * 3
    state = {"replay_id": "r2", "status": "running", "retried_actions": 0,
             "_screenshot_history": [], "_action_history": actions}

    verdict = detector.evaluate(state, [], actions)
    assert verdict.detected and verdict.signal == "action_repeat"


def test_kill_switch_keeps_replay_running(monkeypatch):
    """Avec RPA_LOOP_DETECTOR_ENABLED=0 le replay continue même en boucle."""
    monkeypatch.setenv("RPA_LOOP_DETECTOR_ENABLED", "0")
    embedder = MagicMock()
    embedder.embed_image.return_value = [1.0, 0.0, 0.0]
    detector = LoopDetector(clip_embedder=embedder)

    state = {"retried_actions": 10,
             "_screenshot_history": ["img1"] * 10,
             "_action_history": [{"type": "click", "x_pct": 0.5, "y_pct": 0.5}] * 10}

    verdict = detector.evaluate(state, state["_screenshot_history"], state["_action_history"])
    assert verdict.detected is False