import sys
import os
import pytest
import time
from unittest.mock import MagicMock
from GramAddict.core import utils

# Force Qdrant mocking globally across ALL E2E tests so we never 
# block on connection refused trying to hit localhost:6344
mock_qdrant = MagicMock()

# Setup correct return types for dimension check warnings in qdrant_memory
mock_collection = MagicMock()
mock_collection.config.params.vectors.size = 768
mock_qdrant.get_collection.return_value = mock_collection

sys.modules["qdrant_client"].QdrantClient = MagicMock(return_value=mock_qdrant)

@pytest.fixture
def e2e_device_dump_injector(request):
    """
    Provides a factory to mock device.dump_hierarchy using real XML files.
    Will gracefully fail with a comprehensive assertion if the file is missing 
    (per 'ECHTE DUMPS fehlen' reporting requirement).
    """
    if request.config.getoption("--live"):
        return lambda *args, **kwargs: None

    def _inject_dump(device_mock, xml_filename):
        fix_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "fixtures")
        xml_path = os.path.join(fix_dir, xml_filename)
        
        if not os.path.exists(xml_path):
            pytest.fail(f"MISSING REAL DUMP: required XML fixture '{xml_filename}' for full E2E workflow testing could not be found at {xml_path}. FAKE_NOTHING policy implies dropping this test execution until it is captured.", pytrace=False)
            
        with open(xml_path, "r") as f:
            real_xml = f.read()
            
        device_mock.dump_hierarchy.return_value = real_xml
        return real_xml
        
    return _inject_dump

class VirtualClock:
    def __init__(self):
        self.time = 0.0
        self.animation_target_time = 0.0
    
    def sleep(self, seconds):
        if hasattr(seconds, '__iter__'):
            return # For edge case where something weird is passed
        self.time += float(seconds)

clock = VirtualClock()

@pytest.fixture
def dynamic_e2e_dump_injector(monkeypatch, request):
    """
    State-Machine Injector: Replaces dump_hierarchy dynamically when transitions occur.
    Validates that the Telepathic Engine's pathfinding truly worked.
    It now inherently simulates UI animation delays. If a dump is requested
    LESS than 1.5 virtual seconds after a transition, it returns a garbage animating UI.
    """
    if request.config.getoption("--live"):
        return lambda *args, **kwargs: None

    def _inject(device_mock, state_map, initial_xml):
        from GramAddict.core.q_nav_graph import QNavGraph
        
        fix_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "fixtures")
        
        def load_xml(filename):
            path = os.path.join(fix_dir, filename)
            if not os.path.exists(path):
                pytest.fail(f"MISSING REAL DUMP: {filename} not found.")
            with open(path, "r") as f:
                return f.read()

        # History stack to allow "back" navigation
        device_mock._xml_history = [load_xml(initial_xml)]
        device_mock._current_active_xml = device_mock._xml_history[-1]
        
        import uuid
        def _dump_hierarchy_hook():
            if clock.time < clock.animation_target_time:
                pytest.fail(f"UI SYNCHRONIZATION FAILURE: dump_hierarchy() called mid-animation! "
                            f"Virtual Clock is at {clock.time:.1f}s but UI needs until {clock.animation_target_time:.1f}s to settle. "
                            f"Add a time.sleep() guard before interacting with the UI after a click.", pytrace=False)
            xml = device_mock._current_active_xml
            if xml and "</hierarchy>" in xml:
                xml = xml.replace("</hierarchy>", f"<node sid=\"{uuid.uuid4()}\" /></hierarchy>")
            return xml

        device_mock.dump_hierarchy.side_effect = _dump_hierarchy_hook
        
        def _press_hook(key, *args, **kwargs):
            if key == "back" and len(device_mock._xml_history) > 1:
                device_mock._xml_history.pop()
                device_mock._current_active_xml = device_mock._xml_history[-1]
                clock.animation_target_time = clock.time + 1.5
        device_mock.press.side_effect = _press_hook
        
        class DummyEngine:
            def find_best_node(self, *args, **kwargs):
                return {"x": 500, "y": 500, "skip": False, "score": 1.0, "source": "e2e_mock"}
            def verify_success(self, *args, **kwargs):
                return True
            def confirm_click(self, *args, **kwargs):
                pass
            def reject_click(self, *args, **kwargs):
                pass
                
        original_execute = QNavGraph._execute_transition
        from GramAddict.core.goap import GoalExecutor
        original_goap_execute = GoalExecutor._execute_action
        
        def _mock_execute_transition(nav_self, action, zero_engine=None, max_retries=2):
            if action == 'tap_post_username':
                return True
            
            original_click = nav_self.device.click
            
            def _click_hook(obj=None, *args, **kwargs):
                original_click(obj, *args, **kwargs)
                if action in state_map:
                    new_xml = load_xml(state_map[action])
                    device_mock._xml_history.append(new_xml)
                    device_mock._current_active_xml = new_xml
                    clock.animation_target_time = clock.time + 1.5
                    
            nav_self.device.click = _click_hook
            
            try:
                success = original_execute(nav_self, action, mock_semantic_engine=DummyEngine(), max_retries=max_retries)
                return success
            finally:
                nav_self.device.click = original_click

        def _mock_execute_action(goap_self, action, goal=None):
            action_key = action.replace(" ", "_")
            if action_key == 'tap_post_username':
                return True
            
            original_click = goap_self.device.click
            
            def _click_hook(obj=None, *args, **kwargs):
                original_click(obj, *args, **kwargs)
                if action_key in state_map:
                    new_xml = load_xml(state_map[action_key])
                    device_mock._xml_history.append(new_xml)
                    device_mock._current_active_xml = new_xml
                    clock.animation_target_time = clock.time + 1.5
                elif action in state_map:
                    new_xml = load_xml(state_map[action])
                    device_mock._xml_history.append(new_xml)
                    device_mock._current_active_xml = new_xml
                    clock.animation_target_time = clock.time + 1.5
                    
            goap_self.device.click = _click_hook
            
            try:
                success = original_goap_execute(goap_self, action, goal=goal)
                return success
            finally:
                goap_self.device.click = original_click
                
        monkeypatch.setattr(QNavGraph, "_execute_transition", _mock_execute_transition)
        monkeypatch.setattr(GoalExecutor, "_execute_action", _mock_execute_action)
        
    return _inject

@pytest.fixture(autouse=True)
def mock_all_delays(monkeypatch, request):
    """
    Replaces all humanized hardware delays specifically for the E2E test suite
    with a Virtual Clock. Ensures loops evaluate instantly but preserves chronological
    dependency for our Animation Simulator.
    """
    if request.config.getoption("--live"):
        return

    global clock
    clock.time = 0.0 # reset for test
    clock.animation_target_time = 0.0
    
    def simulate_sleep(seconds):
        clock.sleep(seconds)

    money_sleep = lambda x: simulate_sleep(x)
    random_sleep = lambda *args, **kwargs: simulate_sleep(1.0) # Assume 1.0 minimum for randoms
    
    monkeypatch.setattr(time, "sleep", money_sleep)
    monkeypatch.setattr(utils, "random_sleep", random_sleep)
    monkeypatch.setattr(utils, "sleep", money_sleep)
    
    # Needs to capture specific module sleeps depending on how they imported it
    try:
        from GramAddict.core import bot_flow
        monkeypatch.setattr(bot_flow, "sleep", money_sleep)
        monkeypatch.setattr(bot_flow.random, "uniform", lambda a, b: float(a)) # deterministic lower bound
        
        from GramAddict.core import q_nav_graph
        monkeypatch.setattr(q_nav_graph.random, "uniform", lambda a, b: float(a))
        
        from GramAddict.core import device_facade
        monkeypatch.setattr(device_facade, "sleep", money_sleep)
        monkeypatch.setattr(device_facade.random, "uniform", lambda a, b: float(a))
    except Exception:
        pass
    
    # Standardize DarwinEngine across tests to prevent mockup math errors on session end
    try:
        from GramAddict.core.darwin_engine import DarwinEngine
        monkeypatch.setattr(DarwinEngine, "evaluate_session_end", lambda *args, **kwargs: None)
    except ImportError:
        pass

@pytest.fixture(autouse=True)
def mock_identity_guard(monkeypatch):
    import GramAddict.core.bot_flow
    monkeypatch.setattr(GramAddict.core.bot_flow, "verify_and_switch_account", lambda *args, **kwargs: True)

@pytest.fixture
def e2e_configs():
    import argparse
    configs = MagicMock()
    configs.username = "testuser"
    configs.args = argparse.Namespace(
        username="testuser",
        device="emulator-5554",
        app_id="com.instagram.android",
        debug=True,
        feed=None,
        carousel_percentage=0,
        carousel_count="1",
        explore=None,
        reels=None,
        stories=None,
        interact_percentage=100,
        likes_percentage=100,
        follow_percentage=100,
        comment_percentage=100,
        working_hours=[0.0, 24.0],
        time_delta_session=0,
        speed_multiplier=1.0,
        disable_filters=False,
        interaction_users_amount="1",
        scrape_profiles=False,
        disable_ai_messaging=True,
        total_unfollows_limit=0,
        ai_telepathic_url="http://localhost",
        ai_telepathic_model="llama3",
        ai_condenser_url="http://localhost",
        ai_condenser_model="llama3"
    )
    return configs