from django.test import TestCase
from django.contrib.auth import get_user_model
from modules.task_management.tasks import create_task_from_invoice
from modules.task_management.models import Task


class TaskCeleryTests(TestCase):
    def setUp(self):
        User = get_user_model()
        # Create an admin user to be assigned the task
        self.admin = User.objects.create_user(username="admin", email="admin@example.test", password="pass", is_staff=True)

    def test_create_task_from_invoice_creates_task_for_large_amount(self):
        invoice_data = {"amount": 1500, "invoice_number": "INV-100"}
        # run the task function synchronously via .run (no bind)
        create_task_from_invoice.run(invoice_data)
        task = Task.objects.filter(title__icontains="INV-100").first()
        assert task is not None
        assert task.assigned_to == self.admin

    def test_create_task_from_invoice_does_not_create_for_small_amount(self):
        invoice_data = {"amount": 100, "invoice_number": "INV-101"}
        create_task_from_invoice.run(invoice_data)
        task = Task.objects.filter(title__icontains="INV-101").first()
        assert task is None