// Copyright (c) 2017 Intel Corporation
//
// Licensed 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 virtcontainers

import (
	"syscall"

	"github.com/sirupsen/logrus"
)

// VC is the Virtcontainers interface
type VC interface {
	SetLogger(logger logrus.FieldLogger)

	CreateSandbox(sandboxConfig SandboxConfig) (VCSandbox, error)
	DeleteSandbox(sandboxID string) (VCSandbox, error)
	ListSandbox() ([]SandboxStatus, error)
	PauseSandbox(sandboxID string) (VCSandbox, error)
	ResumeSandbox(sandboxID string) (VCSandbox, error)
	RunSandbox(sandboxConfig SandboxConfig) (VCSandbox, error)
	StartSandbox(sandboxID string) (VCSandbox, error)
	StatusSandbox(sandboxID string) (SandboxStatus, error)
	StopSandbox(sandboxID string) (VCSandbox, error)

	CreateContainer(sandboxID string, containerConfig ContainerConfig) (VCSandbox, VCContainer, error)
	DeleteContainer(sandboxID, containerID string) (VCContainer, error)
	EnterContainer(sandboxID, containerID string, cmd Cmd) (VCSandbox, VCContainer, *Process, error)
	KillContainer(sandboxID, containerID string, signal syscall.Signal, all bool) error
	StartContainer(sandboxID, containerID string) (VCContainer, error)
	StatusContainer(sandboxID, containerID string) (ContainerStatus, error)
	StopContainer(sandboxID, containerID string) (VCContainer, error)
	ProcessListContainer(sandboxID, containerID string, options ProcessListOptions) (ProcessList, error)
}

// VCSandbox is the Sandbox interface
// (required since virtcontainers.Sandbox only contains private fields)
type VCSandbox interface {
	Annotations(key string) (string, error)
	GetAllContainers() []VCContainer
	GetAnnotations() map[string]string
	GetContainer(containerID string) VCContainer
	ID() string
	SetAnnotations(annotations map[string]string) error
}

// VCContainer is the Container interface
// (required since virtcontainers.Container only contains private fields)
type VCContainer interface {
	GetAnnotations() map[string]string
	GetPid() int
	GetToken() string
	ID() string
	Sandbox() VCSandbox
	Process() Process
	SetPid(pid int) error
}