import json
import unittest
from pathlib import Path


REPO_ROOT = Path(__file__).resolve().parents[1]
CRM_PACK = REPO_ROOT / "salesforce-crm-standard"


def load_json(path: Path):
    with path.open(encoding="utf-8") as handle:
        return json.load(handle)


def ui_action(name: str):
    for action in load_json(CRM_PACK / "actions" / "ui_actions.json"):
        if action.get("name") == name:
            return action
    raise AssertionError(f"{name} UI action missing")


class AddProductsContractsTest(unittest.TestCase):
    def test_opportunity_layout_places_add_products_header_action(self):
        layout = load_json(CRM_PACK / "layouts" / "opportunity_page_layout.json")
        actions = {action["name"]: action for action in layout["headerActions"]}

        self.assertIn("AddProducts", actions)
        self.assertIn("createQuote", actions)
        self.assertLess(
            layout["headerActions"].index(actions["AddProducts"]),
            layout["headerActions"].index(actions["createQuote"]),
        )

        add_products = actions["AddProducts"]
        self.assertEqual(add_products["label"], "Add Products")
        self.assertEqual(add_products["type"], "QuickAction")
        self.assertNotIn("targetObject", add_products)
        self.assertNotIn("config", add_products)
        self.assertEqual(ui_action(add_products["name"])["objectApiName"], layout["objectApiName"])

    def test_add_products_ui_action_defines_related_list_target(self):
        action = ui_action("AddProducts")

        self.assertEqual(action["objectApiName"], "Opportunity")
        self.assertEqual(action["type"], "NavigateToRelatedList")
        self.assertEqual(action["targetObject"], "OpportunityLineItem")
        self.assertEqual(action["config"]["targetObject"], "OpportunityLineItem")
        self.assertEqual(action["config"]["lookupField"], "OpportunityId")
        self.assertEqual(action["config"]["visibilityCondition"], "record.Pricebook2Id != null")


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