// 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 stringadapter

import (
	"context"

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

// LoadPolicyCtx loads all policy rules from the storage with context.
func (a *Adapter) LoadPolicyCtx(ctx context.Context, model model.Model) error {
	if err := checkCtx(ctx); err != nil {
		return err
	}

	return a.LoadPolicy(model)
}

// SavePolicyCtx saves all policy rules to the storage with context.
func (a *Adapter) SavePolicyCtx(ctx context.Context, model model.Model) error {
	if err := checkCtx(ctx); err != nil {
		return err
	}

	return a.SavePolicy(model)
}

// AddPolicyCtx adds a policy rule to the storage with context.
func (a *Adapter) AddPolicyCtx(ctx context.Context, sec string, ptype string, rule []string) error {
	if err := checkCtx(ctx); err != nil {
		return err
	}

	return a.AddPolicy(sec, ptype, rule)
}

// RemovePolicyCtx removes a policy rule from the storage with context.
func (a *Adapter) RemovePolicyCtx(ctx context.Context, sec string, ptype string, rule []string) error {
	if err := checkCtx(ctx); err != nil {
		return err
	}

	return a.RemovePolicy(sec, ptype, rule)
}

// RemoveFilteredPolicyCtx removes policy rules that match the filter from the storage with context.
func (a *Adapter) RemoveFilteredPolicyCtx(ctx context.Context, sec string, ptype string, fieldIndex int, fieldValues ...string) error {
	if err := checkCtx(ctx); err != nil {
		return err
	}

	return a.RemoveFilteredPolicy(sec, ptype, fieldIndex, fieldValues...)
}

func checkCtx(ctx context.Context) error {
	select {
	case <-ctx.Done():
		return ctx.Err()
	default:
		return nil
	}
}