import importlib.util
import unittest
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
EXTRACTOR = ROOT / "salesforce-crm-standard-v66" / "_extractor" / "extract.py"


def load_extractor():
    spec = importlib.util.spec_from_file_location("salesforce_v66_extractor", EXTRACTOR)
    if spec is None or spec.loader is None:
        raise RuntimeError(f"cannot load extractor: {EXTRACTOR}")
    module = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(module)
    return module


class V66ExtractorDefaultTest(unittest.TestCase):
    def test_preserves_false_boolean_and_zero_numeric_defaults(self):
        extractor = load_extractor()

        boolean = extractor.map_field(
            {
                "name": "HasOptedOutOfEmail",
                "label": "Email Opt Out",
                "type": "boolean",
                "nillable": False,
                "defaultedOnCreate": True,
                "defaultValue": False,
            },
            [],
            "Contact",
        )
        numeric = extractor.map_field(
            {
                "name": "SortOrder",
                "label": "Sort Order",
                "type": "double",
                "nillable": False,
                "defaultedOnCreate": True,
                "defaultValue": 0,
            },
            [],
            "Example",
        )
        enabled = extractor.map_field(
            {
                "name": "Enabled__c",
                "label": "Enabled",
                "type": "boolean",
                "nillable": False,
                "defaultedOnCreate": True,
                "defaultValue": True,
            },
            [],
            "Example",
        )

        self.assertEqual(boolean["default"], "0")
        self.assertEqual(numeric["default"], "0")
        self.assertEqual(enabled["default"], "1")


if __name__ == "__main__":
    unittest.main()