from unittest.mock import MagicMock
import pytest
from app.workflows.actions import execute_local_action, execute_case_action

def test_remove_tag_always_preserves_manual_and_legacy():
    cursor=MagicMock()
    execute_local_action(cursor,{'entity_type':'case','entity_id':'12'},{'type':'remove_tag','tag_id':4,'allow_manual':True})
    sql,params=cursor.execute.call_args.args
    assert "source IN ('workflow','keyword','ai')" in sql
    assert params==('case',12,4)

def test_chained_workflow_cannot_repeat():
    cursor=MagicMock()
    with pytest.raises(ValueError,match='loop'):
        execute_local_action(cursor,{'entity_type':'case','entity_id':'12','chain':[5]},{'type':'start_workflow','workflow_id':5})
    cursor.execute.assert_not_called()

def test_automated_group_conflict_becomes_proposal():
    cursor=MagicMock()
    cursor.fetchone.side_effect=[{'id':4,'tag_group_id':7,'behavior':'single'},{'exists':1}]
    execute_local_action(cursor,{'entity_type':'case','entity_id':'12'},{'type':'add_tag','tag_id':4})
    assert 'INSERT INTO workflow_tag_proposals' in cursor.execute.call_args.args[0]
    assert all('DELETE' not in call.args[0] for call in cursor.execute.call_args_list)

def test_user_assignment_validates_membership_before_mutation():
    cursor=MagicMock()
    cursor.fetchone.side_effect=[{'id':12,'assigned_group_id':7},None]
    with pytest.raises(ValueError,match='belong'):
        execute_case_action(cursor,{'entity_type':'case','entity_id':'12'},{'type':'assign_user','user_id':3})
    assert all('UPDATE' not in call.args[0].split(' FOR ')[0] for call in cursor.execute.call_args_list)