package project

import (
	"golang.org/x/net/context"

	"github.com/docker/libcompose/config"
	"github.com/docker/libcompose/project/events"
	"github.com/docker/libcompose/project/options"
)

// APIProject defines the methods a libcompose project should implement.
type APIProject interface {
	events.Notifier
	events.Emitter

	Build(ctx context.Context, options options.Build, sevice ...string) error
	Config() (string, error)
	Create(ctx context.Context, options options.Create, services ...string) error
	Delete(ctx context.Context, options options.Delete, services ...string) error
	Down(ctx context.Context, options options.Down, services ...string) error
	Events(ctx context.Context, services ...string) (chan events.ContainerEvent, error)
	Kill(ctx context.Context, signal string, services ...string) error
	Log(ctx context.Context, follow bool, services ...string) error
	Pause(ctx context.Context, services ...string) error
	Ps(ctx context.Context, services ...string) (InfoSet, error)
	// FIXME(vdemeester) we could use nat.Port instead ?
	Port(ctx context.Context, index int, protocol, serviceName, privatePort string) (string, error)
	Pull(ctx context.Context, services ...string) error
	Restart(ctx context.Context, timeout int, services ...string) error
	Run(ctx context.Context, serviceName string, commandParts []string, options options.Run) (int, error)
	Scale(ctx context.Context, timeout int, servicesScale map[string]int) error
	Start(ctx context.Context, services ...string) error
	Stop(ctx context.Context, timeout int, services ...string) error
	Unpause(ctx context.Context, services ...string) error
	Up(ctx context.Context, options options.Up, services ...string) error

	Parse() error
	CreateService(name string) (Service, error)
	AddConfig(name string, config *config.ServiceConfig) error
	Load(bytes []byte) error
	Containers(ctx context.Context, filter Filter, services ...string) ([]string, error)

	GetServiceConfig(service string) (*config.ServiceConfig, bool)
}

// Filter holds filter element to filter containers
type Filter struct {
	State State
}

// State defines the supported state you can filter on
type State string

// Definitions of filter states
const (
	AnyState = State("")
	Running  = State("running")
	Stopped  = State("stopped")
)

// RuntimeProject defines runtime-specific methods for a libcompose implementation.
type RuntimeProject interface {
	RemoveOrphans(ctx context.Context, projectName string, serviceConfigs *config.ServiceConfigs) error
}