package ctr

import (
	"fmt"

	"github.com/containers/storage"
)

var (
	// ErrNotImplemented indicates that functionality is not yet implemented
	ErrNotImplemented = fmt.Errorf("NOT IMPLEMENTED")
)

// Container is a single OCI container
type Container struct {
	// TODO populate
}

// Create creates a container in the OCI runtime
func (c *Container) Create() error {
	return ErrNotImplemented
}

// Start starts a container
func (c *Container) Start() error {
	return ErrNotImplemented
}

// Stop stops a container
func (c *Container) Stop() error {
	return ErrNotImplemented
}

// Kill sends a signal to a container
func (c *Container) Kill(signal uint) error {
	return ErrNotImplemented
}

// Exec starts a new process inside the container
// Returns fully qualified URL of streaming server for executed process
func (c *Container) Exec(cmd []string, tty bool, stdin bool) (string, error) {
	return "", ErrNotImplemented
}

// Attach attaches to a container
// Returns fully qualified URL of streaming server for the container
func (c *Container) Attach(stdin, tty bool) (string, error) {
	return "", ErrNotImplemented
}

// Mount mounts a container's filesystem on the host
// The path where the container has been mounted is returned
func (c *Container) Mount() (string, error) {
	return "", ErrNotImplemented
}

// Status gets a container's status
// TODO this should return relevant information about container state
func (c *Container) Status() error {
	return ErrNotImplemented
}

// Export exports a container's root filesystem as a tar archive
// The archive will be saved as a file at the given path
func (c *Container) Export(path string) error {
	return ErrNotImplemented
}

// Commit commits the changes between a container and its image, creating a new
// image
// If the container was not created from an image (for example,
// WithRootFSFromPath will create a container from a directory on the system),
// a new base image will be created from the contents of the container's
// filesystem
func (c *Container) Commit() (*storage.Image, error) {
	return nil, ErrNotImplemented
}