import unittest
import unittest.mock
from wif2ansible.models import Server, Flow
from wif2ansible.inventory import generate_inventory

class TestInventoryKeys(unittest.TestCase):
    @unittest.mock.patch('wif2ansible.inventory.is_valid_hostname')
    def test_inventory_keys_are_hostnames(self, mock_resolves):
        # Mock DNS to say server01 exists
        mock_resolves.return_value = True
        
        # Create a server with Ref, Hostname, IP
        s1 = Server(reference="SERVER_REF_01", hostname="server01", ip_addresses=["192.168.1.10"], platform="windows")
        
        # Create a flow matching this server
        f1 = Flow(flow_id="1", source_ip="192.168.1.10", destination_ip="10.0.0.1", ports=[80])
        
        servers = {"SERVER_REF_01": s1}
        flows = [f1]
        
        inventory = generate_inventory(servers, flows)
        
        # Verify stricture
        hosts = inventory['all']['hosts']
        
        # Key should be HOSTNAME "server01" (prioritized over Ref)
        self.assertIn("server01", hosts)
        self.assertNotIn("192.168.1.10", hosts)
        
        # Check variables
        host_vars = hosts["server01"]
        self.assertEqual(host_vars['ansible_host'], "192.168.1.10")
        self.assertEqual(host_vars['ansible_connection'], "winrm")

    @unittest.mock.patch('wif2ansible.inventory.is_valid_hostname')
    def test_inventory_keys_resolution(self, mock_resolves):
        # Setup mock: 'bad_name' -> False, 'good_name' -> True
        def side_effect(name):
            if name == "bad_name": return False
            if name == "good_name": return True
            return False
        mock_resolves.side_effect = side_effect
        
        # Server with a BAD hostname but a GOOD reference (simulated)
        # Actually logic is candidates: [hostname, cleaned_ref, rev_dns]
        # Let's say hostname is "bad_name" and cleaned ref is "good_name"
        s1 = Server(reference="SRV01 good_name", hostname="bad_name", ip_addresses=["10.10.10.10"])
        
        f1 = Flow(flow_id="1", source_ip="10.10.10.10", destination_ip="1.1.1.1", ports=[80])
        
        inventory = generate_inventory({"k":s1}, [f1])
        hosts = inventory['all']['hosts']
        
        # It should have skipped "bad_name" and picked "good_name" (from cleaned ref)
        self.assertIn("good_name", hosts)
        self.assertNotIn("bad_name", hosts)

    def test_suffix_stripping(self):
        from wif2ansible.parsers import clean_hostname
        self.assertEqual(clean_hostname("server.prod.global.gc.ca"), "server")
        self.assertEqual(clean_hostname("server.PROD.GLOBAL.GC.CA"), "server")
        self.assertEqual(clean_hostname("nosuffix"), "nosuffix")
        self.assertEqual(clean_hostname("other.suffix.com"), "other.suffix.com")

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