// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package casbin

import (
	"testing"

	"github.com/casbin/casbin/v3/model"
)

type SampleWatcherEx struct {
	SampleWatcher
}

func (w SampleWatcherEx) UpdateForAddPolicy(sec, ptype string, params ...string) error {
	return nil
}

func (w SampleWatcherEx) UpdateForRemovePolicy(sec, ptype string, params ...string) error {
	return nil
}

func (w SampleWatcherEx) UpdateForRemoveFilteredPolicy(sec, ptype string, fieldIndex int, fieldValues ...string) error {
	return nil
}

func (w SampleWatcherEx) UpdateForSavePolicy(model model.Model) error {
	return nil
}

func (w SampleWatcherEx) UpdateForAddPolicies(sec string, ptype string, rules ...[]string) error {
	return nil
}

func (w SampleWatcherEx) UpdateForRemovePolicies(sec string, ptype string, rules ...[]string) error {
	return nil
}

func TestSetWatcherEx(t *testing.T) {
	e, _ := NewEnforcer("examples/rbac_model.conf", "examples/rbac_policy.csv")

	sampleWatcherEx := &SampleWatcherEx{}
	err := e.SetWatcher(sampleWatcherEx)
	if err != nil {
		t.Fatal(err)
	}

	_ = e.SavePolicy()                              // calls watcherEx.UpdateForSavePolicy()
	_, _ = e.AddPolicy("admin", "data1", "read")    // calls watcherEx.UpdateForAddPolicy()
	_, _ = e.RemovePolicy("admin", "data1", "read") // calls watcherEx.UpdateForRemovePolicy()
	_, _ = e.RemoveFilteredPolicy(1, "data1")       // calls watcherEx.UpdateForRemoveFilteredPolicy()
	_, _ = e.RemovePolicy("admin", "data1", "read") // calls watcherEx.UpdateForRemovePolicy()
	_, _ = e.AddGroupingPolicy("g:admin", "data1")
	_, _ = e.RemoveGroupingPolicy("g:admin", "data1")
	_, _ = e.AddGroupingPolicy("g:admin", "data1")
	_, _ = e.RemoveFilteredGroupingPolicy(1, "data1")
	_, _ = e.AddPolicies([][]string{{"admin", "data1", "read"}, {"admin", "data2", "read"}})    // calls watcherEx.UpdateForAddPolicies()
	_, _ = e.RemovePolicies([][]string{{"admin", "data1", "read"}, {"admin", "data2", "read"}}) // calls watcherEx.UpdateForRemovePolicies()
}