import pytest
import time
import json
import os
import uuid
from pathlib import Path
import sys

# Ensure project root is in path for imports
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
from api_hook_client import ApiHookClient

# Define a temporary file path for callback testing
TEST_CALLBACK_FILE = Path("temp_callback_output.txt")

@pytest.fixture(scope="function", autouse=True)
def cleanup_callback_file():
    """Ensures the test callback file is cleaned up before and after each test."""
    if TEST_CALLBACK_FILE.exists():
        TEST_CALLBACK_FILE.unlink()
    yield
    if TEST_CALLBACK_FILE.exists():
        TEST_CALLBACK_FILE.unlink()

def test_gui2_set_value_hook_works(live_gui):
    """
    Tests that the 'set_value' GUI hook is correctly implemented.
    """
    client = ApiHookClient()
    assert client.wait_for_server(timeout=10)
    test_value = f"New value set by test: {uuid.uuid4()}"
    gui_data = {'action': 'set_value', 'item': 'ai_input', 'value': test_value}
    
    response = client.post_gui(gui_data)
    assert response == {'status': 'queued'}
    
    # Verify the value was actually set using the new get_value hook
    time.sleep(0.5)
    current_value = client.get_value('ai_input')
    assert current_value == test_value

def test_gui2_click_hook_works(live_gui):
    """
    Tests that the 'click' GUI hook for the 'Reset' button is implemented.
    """
    client = ApiHookClient()
    assert client.wait_for_server(timeout=10)
    
    # First, set some state that 'Reset' would clear.
    test_value = "This text should be cleared by the reset button."
    client.set_value('ai_input', test_value)
    time.sleep(0.5)
    assert client.get_value('ai_input') == test_value

    # Now, trigger the click
    client.click('btn_reset')
    time.sleep(0.5)
    
    # Verify it was reset
    assert client.get_value('ai_input') == ""

def test_gui2_custom_callback_hook_works(live_gui):
    """
    Tests that the 'custom_callback' GUI hook is correctly implemented.
    """
    client = ApiHookClient()
    assert client.wait_for_server(timeout=10)
    test_data = f"Callback executed: {uuid.uuid4()}"

    gui_data = {
        'action': 'custom_callback',
        'callback': '_test_callback_func_write_to_file',
        'args': [test_data]
    }
    response = client.post_gui(gui_data)
    assert response == {'status': 'queued'}

    time.sleep(1) # Give gui_2.py time to process its task queue

    # Assert that the file WAS created and contains the correct data
    assert TEST_CALLBACK_FILE.exists(), "Custom callback was NOT executed, or file path is wrong!"
    with open(TEST_CALLBACK_FILE, "r") as f:
        content = f.read()
        assert content == test_data, "Callback executed, but file content is incorrect."