import pytest
import json
from pathlib import Path
import sys
from pathlib import Path as _Path
sys.path.append(str(_Path(__file__).parent.parent))
from application_handler import ApplicationHandler

@pytest.fixture
def temp_applications_file(tmp_path):
    """Fixture to create a temporary applications file."""
    file = tmp_path / "applications.json"
    file.write_text("{}", encoding="utf-8")
    return file

@pytest.fixture
def application_handler(temp_applications_file, monkeypatch):
    """Fixture to create an ApplicationHandler instance with a temporary applications file."""
    class DummyContext: pass
    class DummyStateManager: pass
    monkeypatch.setattr("application_handler.APPLICATIONS_FILE", temp_applications_file)
    return ApplicationHandler(browser_context=DummyContext(), state_manager=DummyStateManager(), applications_file=temp_applications_file)


import types
class DummyContext: pass
class DummyStateManager: pass

def test_detect_company_domains():
    handler = ApplicationHandler(browser_context=DummyContext(), state_manager=DummyStateManager())
    assert handler._detect_company('https://howoge.de/abc') == 'howoge'
    assert handler._detect_company('https://www.howoge.de/abc') == 'howoge'
    assert handler._detect_company('https://portal.gewobag.de/') == 'gewobag'
    assert handler._detect_company('https://degewo.de/') == 'degewo'
    assert handler._detect_company('https://gesobau.de/') == 'gesobau'
    assert handler._detect_company('https://stadtundland.de/') == 'stadtundland'
    assert handler._detect_company('https://stadt-und-land.de/') == 'stadtundland'
    assert handler._detect_company('https://wbm.de/') == 'wbm'

def test_detect_company_path_fallback():
    handler = ApplicationHandler(browser_context=DummyContext(), state_manager=DummyStateManager())
    assert handler._detect_company('https://example.com/howoge/abc') == 'howoge'
    assert handler._detect_company('https://foo.bar/gewobag') == 'gewobag'
    assert handler._detect_company('https://foo.bar/degewo') == 'degewo'
    assert handler._detect_company('https://foo.bar/gesobau') == 'gesobau'
    assert handler._detect_company('https://foo.bar/stadt-und-land') == 'stadtundland'
    assert handler._detect_company('https://foo.bar/wbm') == 'wbm'

def test_detect_company_unknown():
    handler = ApplicationHandler(browser_context=DummyContext(), state_manager=DummyStateManager())
    assert handler._detect_company('https://example.com/') == 'unknown'
    assert handler._detect_company('') == 'unknown'
    assert handler._detect_company(None) == 'unknown'

def test_load_applications_empty(application_handler):
    """Test loading applications when the file is empty."""
    applications = application_handler.load_applications()
    assert applications == {}

def test_save_application(application_handler):
    """Test saving an application."""
    result = {
        "listing_id": "12345",
        "company": "test_company",
        "link": "http://example.com",
        "timestamp": "2025-12-27T12:00:00",
        "success": True,
        "message": "Application successful",
        "address": "Test Address",
        "rooms": "3",
        "price": "1000"
    }
    application_handler.save_application(result)
    applications = application_handler.load_applications()
    assert "12345" in applications
    assert applications["12345"] == result

def test_has_applied(application_handler):
    """Test checking if an application exists."""
    result = {
        "listing_id": "12345",
        "company": "test_company",
        "link": "http://example.com",
        "timestamp": "2025-12-27T12:00:00",
        "success": True,
        "message": "Application successful",
        "address": "Test Address",
        "rooms": "3",
        "price": "1000"
    }
    application_handler.save_application(result)
    assert application_handler.has_applied("12345") is True
    assert application_handler.has_applied("67890") is False