"""Unit tests for `src.app` handler selection and sentry init."""

import importlib
import sys


def test_spotifyapi(monkeypatch):
    """Instantiates SpotifyAPI with credentials in non-DEV env."""
    import src.app as app

    monkeypatch.setattr(app.config, 'ENVIRONMENT', 'qa')
    monkeypatch.setattr(app.config, 'SPOTIFY_CLIENT_ID', 'cid')
    monkeypatch.setattr(app.config, 'SPOTIFY_CLIENT_SECRET', 'csecret')

    captured = {}

    class FakeSpotify:
        def __init__(self, cid, secret):
            captured['args'] = (cid, secret)

    monkeypatch.setattr(app, 'SpotifyAPI', FakeSpotify)

    def fake_handle_event(event, api):
        captured['api'] = api

    monkeypatch.setattr(app, 'handle_event', fake_handle_event)

    ev = {'records': []}
    result = app.handler(ev, None)
    assert result == {'status': 'OK'}
    assert captured['args'] == ('cid', 'csecret')
    assert isinstance(captured['api'], FakeSpotify)


def test_handler_calls_handle_event_with_spotify_api(monkeypatch):
    """Handler should instantiate SpotifyAPI and call handle_event."""
    import src.app as app

    monkeypatch.setattr(app.config, 'SPOTIFY_CLIENT_ID', 'test_cid')
    monkeypatch.setattr(app.config, 'SPOTIFY_CLIENT_SECRET', 'test_secret')

    captured = {}

    class FakeSpotify:
        def __init__(self, cid, secret):
            captured['cid'] = cid
            captured['secret'] = secret

    monkeypatch.setattr(app, 'SpotifyAPI', FakeSpotify)

    def fake_handle_event(event, api):
        captured['handle_event_called'] = True
        captured['api'] = api

    monkeypatch.setattr(app, 'handle_event', fake_handle_event)

    result = app.handler({'test': 'event'}, None)

    assert result == {'status': 'OK'}
    assert captured['cid'] == 'test_cid'
    assert captured['secret'] == 'test_secret'
    assert captured['handle_event_called'] is True
    assert isinstance(captured['api'], FakeSpotify)


def test_sentry_init_on_module_reload(monkeypatch):
    """Reloading module when SENTRY_DSN is set should call sentry.init."""
    # Inject a fake top-level config module so reloading src.app triggers init
    orig = sys.modules.get('config')
    from types import SimpleNamespace

    fake_config = SimpleNamespace(
        SENTRY_DSN='dsn://123',
        DEV_ENVIRONMENT='dev',
        ENVIRONMENT='dev',
        SPOTIFY_CLIENT_ID='cid',
        SPOTIFY_CLIENT_SECRET='csecret',
    )
    sys.modules['config'] = fake_config

    try:
        sentry_sdk = importlib.import_module('sentry_sdk')
        called = {}

        def fake_init(dsn, integrations=None):
            called['called'] = True
            called['dsn'] = dsn

        monkeypatch.setattr(sentry_sdk, 'init', fake_init)

        # reload app to trigger top-level init
        import src.app as appmod
        importlib.reload(appmod)

        assert called.get('called') is True
        assert called.get('dsn') == 'dsn://123'
    finally:
        if orig is None:
            del sys.modules['config']
        else:
            sys.modules['config'] = orig