# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE

import unittest
import frappe
from frappe.desk.doctype.todo.todo import ToDo
from frappe.cache_manager import clear_controller_cache

class TestHooks(unittest.TestCase):
	def test_hooks(self):
		hooks = frappe.get_hooks()
		self.assertTrue(isinstance(hooks.get("app_name"), list))
		self.assertTrue(isinstance(hooks.get("doc_events"), dict))
		self.assertTrue(isinstance(hooks.get("doc_events").get("*"), dict))
		self.assertTrue(isinstance(hooks.get("doc_events").get("*"), dict))
		self.assertTrue("frappe.desk.notifications.clear_doctype_notifications" in
			hooks.get("doc_events").get("*").get("on_update"))

	def test_override_doctype_class(self):
		from frappe import hooks

		# Set hook
		hooks.override_doctype_class = {
			'ToDo': ['frappe.tests.test_hooks.CustomToDo']
		}

		# Clear cache
		frappe.cache().delete_value('app_hooks')
		clear_controller_cache('ToDo')

		todo = frappe.get_doc(doctype='ToDo', description='asdf')
		self.assertTrue(isinstance(todo, CustomToDo))

	def test_has_permission(self):
		from frappe import hooks

		# Set hook
		address_has_permission_hook = hooks.has_permission.get('Address', [])
		if isinstance(address_has_permission_hook, str):
			address_has_permission_hook = [address_has_permission_hook]

		address_has_permission_hook.append(
			'frappe.tests.test_hooks.custom_has_permission'
		)

		hooks.has_permission['Address'] = address_has_permission_hook

		# Clear cache
		frappe.cache().delete_value('app_hooks')

		# Init User and Address
		username = "test@example.com"
		user = frappe.get_doc("User", username)
		user.add_roles("System Manager")
		address = frappe.new_doc("Address")

		# Test!
		self.assertTrue(
			frappe.has_permission("Address", doc=address, user=username)
		)

		address.flags.dont_touch_me = True
		self.assertFalse(
			frappe.has_permission("Address", doc=address, user=username)
		)


def custom_has_permission(doc, ptype, user):
	if doc.flags.dont_touch_me:
		return False


class CustomToDo(ToDo):
	pass