from config import client as config_client


class _FakeWorksheet:
    def __init__(self, records=None):
        self._records = records or []
        self.batch_updates = []
        self.cell_updates = []

    def batch_update(self, updates):
        self.batch_updates.append(updates)

    def get_all_records(self):
        return self._records

    def update_cell(self, row, col, value):
        self.cell_updates.append((row, col, value))


class _FakeSheet:
    def __init__(self, worksheets):
        self._worksheets = worksheets

    def worksheet(self, name):
        return self._worksheets[name]


class _FakeGspreadClient:
    def __init__(self, sheet):
        self._sheet = sheet

    def open_by_key(self, sheet_id):
        return self._sheet


def test_write_to_sheet_only_writes_non_empty_fields(monkeypatch):
    ws = _FakeWorksheet()
    fake_sheet = _FakeSheet({'Standard Competitive Tab': ws})
    monkeypatch.setattr(config_client, 'get_sheet_client', lambda: _FakeGspreadClient(fake_sheet))

    config_client.write_to_sheet(
        'Standard Competitive Tab', col_index=4,
        data={'tripName': 'Peru Classic', 'tripCode': None, 'majorityPrice': ''},
        fields={'tripName': 9, 'tripCode': 10, 'majorityPrice': 25}
    )

    assert len(ws.batch_updates) == 1
    updates = ws.batch_updates[0]
    assert len(updates) == 1  # only tripName had a non-empty value
    assert updates[0]['values'] == [['Peru Classic']]


def test_write_to_sheet_skips_batch_update_when_nothing_to_write(monkeypatch):
    ws = _FakeWorksheet()
    fake_sheet = _FakeSheet({'Standard Competitive Tab': ws})
    monkeypatch.setattr(config_client, 'get_sheet_client', lambda: _FakeGspreadClient(fake_sheet))

    config_client.write_to_sheet(
        'Standard Competitive Tab', col_index=4, data={'tripName': None}, fields={'tripName': 9}
    )

    assert ws.batch_updates == []


def test_get_competitors_from_db_filters_active_only(monkeypatch):
    ws = _FakeWorksheet(records=[
        {'Travel Style': 'Classic', 'Competitor Name': 'Intrepid', 'Website URL': 'https://intrepidtravel.com', 'Active': 'Yes'},
        {'Travel Style': 'Premium', 'Competitor Name': 'Flash Pack', 'Website URL': 'https://flashpack.com', 'Active': 'No'},
    ])
    fake_sheet = _FakeSheet({'Competitor DB': ws})
    monkeypatch.setattr(config_client, 'get_sheet_client', lambda: _FakeGspreadClient(fake_sheet))

    result = config_client.get_competitors_from_db()

    assert len(result) == 1
    assert result[0]['name'] == 'Intrepid'